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Watlow EZ-ZONE RM User Manual - page 133
Watlow EZ-ZONE
®
RML Module
• 129 •
Chapter 6 Features
Analog Input (cont .)
Analog Input -
Off
Analog Input Value
Analog Input -
Thermocouple
Analog Input -
Process or Potentiometer
Analog Input Value
Analog Input -
Thermistor
Analog Input Value
Analog Input -
RTD
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input Value
Analog Input Value
Input Error
Input Error
Input Error
Input Error
Input Error
Sensor
Type
Sensor
Type
Sensor
Type
Sensor
Type
Sensor
Type
Process Error Enable
Process Err
or Enable
Process Err
or Enable
Process Err
or Enable
Calibration Offset
Calibrat
ion Offset
Calibrat
ion Off
set
Calibrat
ion Off
set
Calibrat
ion Offset
Units
Units
Units
Units
Input Error Latching
Input Erro
r Latching
Input Erro
r Latching
Input Erro
r Latching
Input Erro
r Latching
Scale Low
Scale Low
Scale Low
Scale Low
Scale High
Scale High
Scale High
Scale High
Range High
Range High
Range High
Range High
Process Error Low V
alue
Process Err
or Low V
alue
Process Err
or Low V
alue
Process Err
or Low V
alue
Thermistor Curve
Thermist
or Curve
Resistance Range
Resistance Range
Filter
Filter
Filter
Filter
Filter
Range Low
Range Lo
w
Range Lo
w
Range Lo
w
Clear Latch R
equest
Clear Latch R
equest
Clear Latch R
equest
Clear Lat
ch R
equest
Clear Lat
ch R
equest
Thermistor Coefficient
A
Thermist
or Co
efficient
A
Thermistor Coefficient B
Thermist
or Co
efficient B
Thermistor Coefficient C
Thermist
or Co
efficient C
TC Linearization
TC Linearization
TC Linearization
TC Lineariz
ation
Display P
recision
Display P
recisio
n
Display P
recisio
n
Display P
recisio
n
Display P
recisio
n
Summary of EZ-ZONE RM
Page 1
0600-0075-0000 rev. D made in the u.S.A. March 2016 user’s guide registered company winona, minnesota usa iso 9001 total 3 year warranty customer satisfaction ez-zone ® rm limit module rm limit module 1241 bundy boulevard., winona, minnesota usa 55987 phone: +1 (507) 454-5300, fax: +1 (507) 452-4507...
Page 2
Safety information we use note, caution and warning symbols throughout this book to draw your attention to important operational and safety information. • a “note” marks a short message to alert you to an important detail. • a “caution” safety alert appears with information that is important for pro...
Page 3
Unit has been reviewed and approved by csa international for use as temperature indicating-regulating equipment per csa c22.2 no. 24. See: www.Csa-international.Org warranty the ez-zone® rm limit module is manufactured by iso 9001-registered processes and is backed by a three-year warranty to the fi...
Page 4
3. After we receive your return, we will examine it and try to verify the reason for returning it. 4. In cases of manufacturing defect, we will enter a repair order, replacement order or issue credit for material returned. In cases of customer misuse, we will provide repair costs and request a purch...
Page 5: Table of Contents
Watlow ez-zone ® rml module • 1 • table of contents tc table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 chapter 1: overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 available ez-zone rm system literature and resources . . . . . . . . . . ...
Page 6: Table of Contents
Watlow ez-zone ® rml module • 2 • table of contents counter menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 logic menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 math menu . . . . . . . . . . . . . . . . ...
Page 7: Table of Contents
Watlow ez-zone ® rml module • 3 • table of contents table of contents (cont .) tc logic function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 math function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 modbus ® function ....
Page 8: Chapter 1: Overview
Watlow ez-zone ® rml module • 4 • chapter 1 overview chapter 1: overview 1 available ez-zone rm system literature and resources document title and part number description ez-zone rail mount access (rma) user's guide, part number: 0600-0072-0000 describes how to connect the rm system into an industri...
Page 9: Introduction
Watlow ez-zone ® rml module • 5 • chapter 1 overview your comments are appreciated in an effort to continually improve our technical literature and ensure that we are providing information that is useful to you, we would very much appreciate your comments and sugges- tions. Please send any comments ...
Page 10
Watlow ez-zone ® rml module • 6 • chapter 1 overview removable cage clamp wiring connectors • reliable wiring, reduced service calls • simplified installation programmable menu system • reduces set up time and increases operator efficiency full-featured alarms • improves operator recognition of syst...
Page 11
Watlow ez-zone ® rml module • 7 • chapter 1 overview a conceptual view of the rml module the flexibility of the rml’s software and hardware allows for variation in configurations. Ac- quiring a better understanding of its functionality and capabilities while at the same time planning out how the con...
Page 12
Watlow ez-zone ® rml module • 8 • chapter 1 overview outputs outputs can perform various functions or actions in response to information provided by a function, such as removal of the control voltage to a contactor; turning a light on or off; un- locking a door; or turning on an audible alarm. Assig...
Page 13
Watlow ez-zone ® rml module • 9 • chapter 1 overview rml connected to a remote user interface (rui) and a personal computer (pc) in this configuration the rui and pc are connected to the rml module via watlow's standard bus where both will be able to talk directly to the rml module. In the graphic a...
Page 14
Watlow ez-zone ® rml module • 10 • chapter 1 overview rml module connected to an operator interface terminal (oit) through an rma in this configuration the rml can be connected to the oit through the rma running any of a number of available protocols. The rma and the oit must be using the same proto...
Page 15: Getting Started Quickly
Watlow ez-zone ® rml module • 11 • chapter 1 overview module orientation the picture that follows represents one of several different rm modules. All of them will have four slots on the face (slot a, b, d, and e) and one on the bottom (slot c) not shown. All of these slots are not always used on all...
Page 16
Watlow ez-zone ® rml module • 12 • chapter 1 overview once the control has been wired and setup, power up the control and change the appropriate limit set points (high and or low) to the desired value (on the rui push the up ¿ and or down ¯ arrow key) . Once the set point is set to the desired level...
Page 17
Watlow ez-zone ® rml module • 13 • chapter 1 overview setup page using the rui, push and hold the up and down keys ( ¿ ¯ ) for 6 seconds to enter. (see the setup page for further in- formation) a user would want to setup their control prior to op- eration. As an example, define the limit sides (high...
Page 18
Watlow ez-zone ® rml module • 14 • chapter 1 overview push to select zone address and protocol none, thermocouple, 2-wire rtd (100, 1k), thermistor (5k, 10k, 20k, 40k), process (v, mv, ma) analog input 1 through 12 limit controller output function input function output 7, 8, 9 and 10 5a mechanical r...
Page 19
Watlow ez-zone ® rml module • 15 • chapter 1 overview indicates zone address push to select zone address and protocol none, thermocouple, 2-wire rtd (100, 1k), thermistor (5k, 10k, 20k, 40k), process (v, mv, ma) analog input 1 through 12 limit controller slot d output function input function digital...
Page 20: Dimensions
Watlow ez-zone ® rml module • 16 • chapter 2 install and wire module removal clearance straight connectors module removal clearance standard connectors 147.07 mm ( 5.8 in ) 116.08 mm ( 4.57 in ) 101.60 mm ( 4.00 in ) 44.45 mm ( 1.75 in ) 51.56 mm ( 2.03 in ) 75.08 mm ( 3.0 in ) 150 165 mm ( 6.50 in ...
Page 21: Power Supplies
Watlow ez-zone ® rml module • 17 • chapter 2 install and wire dimensions (cont .) (2.03 in) 51.56 mm (.66 in) 16.76 mm (2.31 in) 58.67 mm (.69 in) 17.53 mm (2.38 in) 60.45 mm (1.41 in) 35.81 mm (1.38 in) 35.05 mm (1.29 in) 32.77 mm chassis mount front view (module removed) - screw connection pattern...
Page 22: Dsp60
Watlow ez-zone ® rml module • 18 • chapter 2 install and wire dsp 60 dsp 100 vout adj. + + - - l n dc lo dc ok 1 2 3 4 5 6 dsp60 71.00 mm 2.795 in 91.00 mm 3.583 in 14.20 mm 9.75 mm 43.1 mm 91.00 mm 55.6 mm 49.00 mm 32.10 mm 0.559 in 1.697 in 0.384 in 3.583 in 2.189 in 1.929 in 1.264 in 14.20 mm 9.7...
Page 23
Watlow ez-zone ® rml module • 19 • chapter 2 install and wire power supply specifications dsp 30 dsp60 dsp100 ac input voltage range vac 90 - 264vac, class ii double insulated (no ground connection required) input frequency hz 47 - 63hz dc input voltage range vdc 120 - 370vdc inrush current (115 / 2...
Page 24
Watlow ez-zone ® rml module • 20 • chapter 2 install and wire din rail installation and removal modular backplane connector the picture on the right shows the modular backplane connector, both front and rear view. The rear view is bringing in to focus a metal clip. If the din rail is grounded the mo...
Page 25
Watlow ez-zone ® rml module • 21 • chapter 2 install and wire installing multiple modular backplane connectors multiple modules are easily aligned and latched together. Each module includes matched mat- ing geometry that facilitates accurate and consistent interconnections. To install backplane conn...
Page 26
Watlow ez-zone ® rml module • 22 • chapter 2 install and wire module removal to remove a module from the backplane follow the steps below: 1. Find the red tab protruding from the bottom of the module and pull back on it as shown to the right. 2. Pull back on the red tab, the two mounting posts will ...
Page 27: Wiring
Watlow ez-zone ® rml module • 23 • chapter 2 install and wire limit module (rmlx-xxxx-xxxx) slot a slot b slot d slot e terminal function configuration inputs universal, rtd and thermistor inputs 1 -12 1 - 4 5 - 8 9 - 12 - - - s1 r1 s2 r2 s3 r3 s4 r4 s5 r5 s6 r6 s7 r7 s8 r8 s9 r9 s10 r10 s11 r11 s12...
Page 28: Wiring (
Watlow ez-zone ® rml module • 24 • chapter 2 install and wire outputs form c - mechanical relay output 7 and form a - mechanical relay output 8 slot a slot b slot d slot e terminal function configuration - - - - - - - - - - 7 - 8 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
Page 29
Watlow ez-zone ® rml module • 25 • chapter 2 install and wire slot a slot e slot d slot b rml module - front view - standard connector 98 99 slot c power slot c.
Page 30
Watlow ez-zone ® rml module • 26 • chapter 2 install and wire digital inputs & outputs analog input 1 - 12 (ungrounded sensors only) communications ports controller low voltage power bus mechanical relay, outputs low-voltage isolation: 42v peak safety isolation: 1,528v Å (ac) safety isolation no iso...
Page 31
Watlow ez-zone ® rml module • 27 • chapter 2 install and wire warning: ç use national electric (nec) or other country-specific standard wiring and safety practices when wiring and connecting this con- troller to a power source and to electrical sensors or peripheral devices. Failure to do so may res...
Page 32
Watlow ez-zone ® rml module • 28 • chapter 2 install and wire warning: ç use national electric (nec) or other country-specific standard wiring and safety practices when wiring and connecting this con- troller to a power source and to electrical sensors or peripheral devices. Failure to do so may res...
Page 33
Watlow ez-zone ® rml module • 29 • chapter 2 install and wire warning: ç use national electric (nec) or other country-specific standard wiring and safety practices when wiring and connecting this con- troller to a power source and to electrical sensors or peripheral devices. Failure to do so may res...
Page 34
Watlow ez-zone ® rml module • 30 • chapter 2 install and wire warning: ç use national electric (nec) or other country-specific standard wiring and safety practices when wiring and connecting this con- troller to a power source and to electrical sensors or peripheral devices. Failure to do so may res...
Page 35
Watlow ez-zone ® rml module • 31 • chapter 2 install and wire warning: ç use national electric (nec) or other country-specific standard wiring and safety practices when wiring and connecting this con- troller to a power source and to electrical sensors or peripheral devices. Failure to do so may res...
Page 36
Watlow ez-zone ® rml module • 32 • chapter 2 install and wire warning: ç use national electric (nec) or other country-specific standard wiring and safety practices when wiring and connecting this con- troller to a power source and to electrical sensors or peripheral devices. Failure to do so may res...
Page 37
Watlow ez-zone ® rml module • 33 • chapter 2 install and wire standard bus eia-485 communications t-/r- common slot c t+/r+ 98 99 cf cd ce cz cx cy • wire t-/r- to the a terminal of the eia-485 port. • wire t+/r+ to the b terminal of the eia-485 port. • wire common to the common terminal of the eia-...
Page 38
Watlow ez-zone ® rml module • 34 • chapter 2 install and wire modbus rtu or standard bus eia-485 communcations t-/r- common slot c t+/r+ 98 99 cc ca cb cz cx cy • • wire t-/r- to the a terminal of the eia-485 port. • • wire t+/r+ to the b terminal of the eia-485 port. • • wire common to the com- mon...
Page 39
Watlow ez-zone ® rml module • 35 • chapter 2 install and wire d e a b d e a b s m 1 9 2 10 3 11 4 12 5 13 6 14 7 15 8 16 rm 1 ez zone r 98 99 cf cd ce cz cw cy 98 99 cf cd ce cz cw cy use twisted pair wires such as cat 5 cabling. Do not route with power carrying conductors. Linx model 485tb-2w a(-) ...
Page 40
Watlow ez-zone ® rml module • 36 • chapter 2 install and wire wiring a serial eia-485 network do not route network wires with power wires. Connect network wires in daisy-chain fashion when connecting multiple devices in a network. A termination resistor may be required. Place a 120 Ω resistor across...
Page 41
Watlow ez-zone ® rml module • 37 • chapter 2 install and wire a network using modbus rtu - a + b com 98 99 cc ca cb b5 d6 d5 power - a + b common power - a + b common power power power power ez-zone pm ez-zone st st_ _ - (b or f) _ m _ -_ _ _ _ plc 98 99 cc ca cb b5 d6 d5 power supply fuse ez-zone r...
Page 42
Watlow ez-zone ® rml module • 38 • chapter 2 install and wire connecting the modules rm system connections the rmc module can be installed as a stand-alone module or it can be interconnected on the din rail as shown below. When modules are connected together as shown, power and commu- nications are ...
Page 43
Watlow ez-zone ® rml module • 39 • chapter 2 install and wire - 2 rmc modules consumes 14w - 1 rma consumes 4w - 11 rme modules consumes 77w - 2 rml modules consumes 14w as can now be seen, the total power requirement exceeds 91w. In this case, another power supply would be required. To incorporate ...
Page 44
Watlow ez-zone ® rml module • 40 • chapter 2 menu conventions conventions used in the menu pages to better understand the menu pages that follow review the naming conventions used. When encountered throughout this document, the word "default" implies as shipped from the facto- ry. Each page (operati...
Page 45
Watlow ez-zone ® rml module • 41 • chapter 2 menu conventions range within this column notice that on occasion there will be numbers found within parenthesis. This number represents the enumerated value for that particular selection. Range selections can be made simply by writing the enumerated valu...
Page 46
Watlow ez-zone ® rml module • 42 • chapter 2 menu conventions for parameters listed as float notice that only one (low order) of the two registers is listed, this is true throughout this document. By default, the low order word contains the two low bytes of the 32-bit parameter. As an example, look ...
Page 47: Chapter 3: Operations Pages
Watlow ez-zone ® rml module • 43 • chapter 3 operations page control module operation page parameters to navigate to the operations page using the rui, follow the steps below: 1. From the home page, press both the up ¿ and down ¯ keys for three seconds. Ai will appear in the upper display and oper w...
Page 48
Watlow ez-zone ® rml module • 44 • chapter 3 operations page lcr clear limit l.St limit status alЛЏ oper alarm menu 1 alЛЏ alarm (1 to 16) a.Lo low set point a.Hi high set point a.Clr clear alarm a.Sir silence alarm a.St alarm state lnr oper linearization menu 1 lnr linearization (1 to 4) su.A sourc...
Page 49
Watlow ez-zone ® rml module • 45 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** ai oper analog input menu ain ain a...
Page 50
Watlow ez-zone ® rml module • 46 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** no dis- play analog input (1 to 12)...
Page 51
Watlow ez-zone ® rml module • 47 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** no dis- play function key (1) funct...
Page 52
Watlow ez-zone ® rml module • 48 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** alЛЏ oper alarm menu a.Lo a.Lo alar...
Page 53
Watlow ez-zone ® rml module • 49 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** no dis- play alarm (1 to 16) latche...
Page 54
Watlow ez-zone ® rml module • 50 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** no dis- play linearization (1 to 16...
Page 55
Watlow ez-zone ® rml module • 51 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** tЛЏr oper timer menu su.A su.A time...
Page 56
Watlow ez-zone ® rml module • 52 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** ctr oper counter menu cnt cnt count...
Page 57
Watlow ez-zone ® rml module • 53 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** su.B su.B logic (1 to 16) source va...
Page 58
Watlow ez-zone ® rml module • 54 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** no dis- play logic (1 to 16) error ...
Page 59
Watlow ez-zone ® rml module • 55 • chapter 3 operations page rm limit module • operations page display parameter name description range default modbus relative address cip class instance attri- bute hex (dec) pro- fibus index param- eter id data type and access ** o.U o.V math (1 to 16) output value...
Page 60: Chapter 4: Setup Pages
Watlow ez-zone ® rml module • 56 • chapter 4 setup page chapter 4: setup pages 4 ai set analog input menu 1 ai analog input (1 to 12) sen sensor type lin tc linearization unit units s.Lo scale low s.Hi scale high r.Lo range low r.Hi range high p.Ee process error en- able p.El process error low value...
Page 61
Watlow ez-zone ® rml module • 57 • chapter 4 setup page dio set digital input/output menu 1 dio digital input/output (1 to 6 and 9) dir direction fn function fi output function in- stance sz.A output s ource zone o.Ct time base type o.Tb fixed time base o.Lo low power scale o.Hi high power scale act...
Page 62
Watlow ez-zone ® rml module • 58 • chapter 4 setup page sz.B source zone b sas.B reset active level load load value trgt target value lat latching lgc set logic menu 1 lgc logic (1 to 16) fn function sfn.A source function a si.A source instance a sz.A source zone a sfn.B source function b si.B sourc...
Page 63
Watlow ez-zone ® rml module • 59 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** ai set analog input menu sen sen analog input...
Page 64
Watlow ez-zone ® rml module • 60 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** s.Hi s.Hi analog input (1 to 12) scale high s...
Page 65
Watlow ez-zone ® rml module • 61 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** r.R r.R analog input (1 to 12) resistance ran...
Page 66
Watlow ez-zone ® rml module • 62 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** i.Er i.Er analog input (1 to 12) error latchi...
Page 67
Watlow ez-zone ® rml module • 63 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** i.Er i.Er analog input (1 to 12) input error ...
Page 68
Watlow ez-zone ® rml module • 64 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sz.A sz.A digital output (1 to 6) output sour...
Page 69
Watlow ez-zone ® rml module • 65 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** act set action menu fn fn action (1 to 16) ac...
Page 70
Watlow ez-zone ® rml module • 66 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** si.A si.A action (1 to 16) source instance a ...
Page 71
Watlow ez-zone ® rml module • 67 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sp.Ll sp.Ll limit (1 to 12) minimum set point...
Page 72
Watlow ez-zone ® rml module • 68 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** l.St l.St limit (1 to 12) limit status * refl...
Page 73
Watlow ez-zone ® rml module • 69 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** fi fi output digital (1 to 4 and 7 to 10) out...
Page 74
Watlow ez-zone ® rml module • 70 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** o.Hi o.Hi output digital (1 to 4 and 7 to 10)...
Page 75
Watlow ez-zone ® rml module • 71 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sz sz alarm (1 to 16) alarm source zone set t...
Page 76
Watlow ez-zone ® rml module • 72 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** a.Hi a.Hi alarm (1 to 16) high set point if a...
Page 77
Watlow ez-zone ® rml module • 73 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** a.Dl a.Dl alarm (1 to 16) delay time set the ...
Page 78
Watlow ez-zone ® rml module • 74 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.A sfn.A linearization (1 to 16) source fu...
Page 79
Watlow ez-zone ® rml module • 75 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** op.1 op.1 linearization (1 to 16) output poin...
Page 80
Watlow ez-zone ® rml module • 76 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** ip.5 ip.5 linearization (1 to 16) input point...
Page 81
Watlow ez-zone ® rml module • 77 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** op.8 op.8 linearization (1 to 16) output poin...
Page 82
Watlow ez-zone ® rml module • 78 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** tol tol compare (1 to 16) tolerance if the di...
Page 83
Watlow ez-zone ® rml module • 79 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.B sfn.B compare (1 to 16) source function...
Page 84
Watlow ez-zone ® rml module • 80 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** tЛЏr set timer menu fn fn timer (1 to 16) fun...
Page 85
Watlow ez-zone ® rml module • 81 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sz.A sz.A timer (1 to 16) source zone a set t...
Page 86
Watlow ez-zone ® rml module • 82 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sz.B sz.B timer (1 to 16) source zone b set t...
Page 87
Watlow ez-zone ® rml module • 83 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.A sfn.A counter (1 to 16) source function...
Page 88
Watlow ez-zone ® rml module • 84 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.B sfn.B counter (1 to 16) source function...
Page 89
Watlow ez-zone ® rml module • 85 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** lat lat counter (1 to 16) latching output lat...
Page 90
Watlow ez-zone ® rml module • 86 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.A sfn.A logic (1 to 16) source function a...
Page 91
Watlow ez-zone ® rml module • 87 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.B sfn.B logic (1 to 16) source function b...
Page 92
Watlow ez-zone ® rml module • 88 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.C sfn.C logic (1 to 16) source function c...
Page 93
Watlow ez-zone ® rml module • 89 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.D sfn.D logic (1 to 16) source function d...
Page 94
Watlow ez-zone ® rml module • 90 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.E sfn.E logic (1 to 16) source function e...
Page 95
Watlow ez-zone ® rml module • 91 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.F sfn.F logic (1 to 16) source function f...
Page 96
Watlow ez-zone ® rml module • 92 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.G sfn.G logic (1 to 16) source function g...
Page 97
Watlow ez-zone ® rml module • 93 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.H sfn.H logic (1 to 16) source function h...
Page 98
Watlow ez-zone ® rml module • 94 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** er.H er.H logic (1 to 16) error handling use ...
Page 99
Watlow ez-zone ® rml module • 95 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.A sfn.A math (1 to 16) source function a ...
Page 100
Watlow ez-zone ® rml module • 96 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** si.B si.B math (1 to 16) source instance b se...
Page 101
Watlow ez-zone ® rml module • 97 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** sfn.D sfn.D math (1 to 16) source function d ...
Page 102
Watlow ez-zone ® rml module • 98 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** si.E si.E math (1 to 16) source instance e se...
Page 103
Watlow ez-zone ® rml module • 99 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** p.Unt p.Unt math (1 to 16) pressure units if ...
Page 104
Watlow ez-zone ® rml module • 100 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** anlg anlg variable (1 to 16) analog set the ...
Page 105
Watlow ez-zone ® rml module • 101 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** ЛЏin min global minimum display value allows...
Page 106
Watlow ez-zone ® rml module • 102 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** coЛЏ set communications menu baud baud commu...
Page 107
Watlow ez-zone ® rml module • 103 • chapter 4 setup page rm limit module • setup page display parameter name description range default modbus relative address cip - class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** nu.S nv.S communications (1) non-volatile sa...
Page 108: Chapter 5: Factory Pages
Watlow ez-zone ® rml module • 104 • chapter 5 factory page chapter 5: factory pages 5 limit module factory page parameters cust fcty custom setup menu cust custom setup (1 to 30) par parameter iid instance id loc fcty security setting menu loc security setting loc.O operations page pas.E password en...
Page 109
Watlow ez-zone ® rml module • 105 • chapter 5 factory page rm limit module • factory page display parameter name description range default modbus relative address cip class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** cust fcty custom setup menu par par custom...
Page 110
Watlow ez-zone ® rml module • 106 • chapter 5 factory page rm limit module • factory page display parameter name description range default modbus relative address cip class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** pas.E pas.E security setting password enab...
Page 111
Watlow ez-zone ® rml module • 107 • chapter 5 factory page rm limit module • factory page display parameter name description range default modbus relative address cip class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** loc.L loc.L security setting locked access...
Page 112
Watlow ez-zone ® rml module • 108 • chapter 5 factory page rm limit module • factory page display parameter name description range default modbus relative address cip class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** uloc fcty security setting menu code code ...
Page 113
Watlow ez-zone ® rml module • 109 • chapter 5 factory page rm limit module • factory page display parameter name description range default modbus relative address cip class instance attribute hex (dec) pro- fibus index param- eter id data type and access ** date date diagnostics menu date of manufac...
Page 114: Chapter 6: Features
Watlow ez-zone ® rml module • 110 • chapter 6 features 6 chapter 6: features saving and restoring user settings . . . . . . . . . . . . . . . . . . . . 111 module limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 inputs . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 115: Module Limit
Watlow ez-zone ® rml module • 111 • chapter 6 features saving and restoring user settings recording setup and operations parameter settings for future reference is very important. If you unintentionally change these, you will need to program the correct settings back into the controller to return th...
Page 116: Inputs
Watlow ez-zone ® rml module • 112 • chapter 6 features inputs calibration offset calibration offset allows a device to com- pensate for an inaccurate sensor, lead re- sistance or other factors that affect the input value. A positive offset increases the input value, and a negative offset decreas- es...
Page 117
Watlow ez-zone ® rml module • 113 • chapter 6 features sensor type low source high source thermistor 20k 50.00 Ω 20000.00 Ω thermistor 40k 50.00 Ω 40000.00 Ω note: the user may only calibrate one sensor type. If the calibrator interferes with open ther- mocouple detection, set sensor type sen in set...
Page 118
Watlow ez-zone ® rml module • 114 • chapter 6 features 3. Calculate the offset value by subtracting this value from the low source resistance. 4. Set electrical input offset eli . O (factory page, calibration menu) for this input to the offset value. 5. Check the electrical measurement to see whethe...
Page 119
Watlow ez-zone ® rml module • 115 • chapter 6 features scale high and scale low when an analog input is selected as process voltage or process current input, you must choose the value of voltage or current to be the low and high ends. For example, when using a 4 to 20 ma input, the scale low value w...
Page 120: Alarms
Watlow ez-zone ® rml module • 116 • chapter 6 features alarms alarms are activated when the output level, process value or temperature leaves a defined range. A user can configure how and when an alarm is triggered, what action it takes and whether it turns off automatically when the alarm condition...
Page 121
Watlow ez-zone ® rml module • 117 • chapter 6 features power to the module or configuring an action function within the control to perform a reset. Do this by setting the action function to alarm and trigger the action to occur through source function a. An alarm that is not latched (self-clearing) ...
Page 122: Using Password Security
Watlow ez-zone ® rml module • 118 • chapter 6 features using password security it is sometimes desirable to apply a higher level of security to the control where a limited number of menus are visible and not providing access to others without a security password. Without the appropriate password tho...
Page 123
Watlow ez-zone ® rml module • 119 • chapter 6 features 3. Assuming the code co de prompt (public key) is still visible on the face of the control simply push the advance key ‰ to proceed to the password p a ss prompt. If not, find your way back to the factory page as described above. 4. Execute the ...
Page 124: Software Configuration
Watlow ez-zone ® rml module • 120 • chapter 6 features as an example, modbus register 410 contains the analog input 1 process value (see operations page, analog input menu). If the value 410 is loaded into assembly definition address 91, the process value sensed by analog input 1 will also be stored...
Page 125
Watlow ez-zone ® rml module • 121 • chapter 6 features the first screen that will appear is shown below. If the pc is already physically connected to the rml module click the next button to go on- line. Note: when establishing communications from pc to the rml module an interface converter will be r...
Page 126
Watlow ez-zone ® rml module • 122 • chapter 6 features the available options allow the user to click on a drop down box to select a specific known communications port. Clicking on the advanced button allows the user to define the number of ez-zone devices to look for on the network. After clicking t...
Page 127
Watlow ez-zone ® rml module • 123 • chapter 6 features in the screen shot above the rml is shown highlighted to bring greater clarity to the module in focus. Any ez-zone device on the network will appear in this window and would be avail- able for the purpose of configuration or monitoring. After cl...
Page 128
Watlow ez-zone ® rml module • 124 • chapter 6 features tings. Notice too, that by clicking on any of those items in the center column that context sensitive help will appear for that particular item in the right hand column. Lastly, when the configuration is complete click the "finish" button at the...
Page 129: Function Block Descriptions
Watlow ez-zone ® rml module • 125 • chapter 6 features function block descriptions each of the next several pages graphically shows each of the rmh function blocks. Note that as you view each, you will find text that is black and text that appears gray. The gray text represents inputs that are not c...
Page 130
Watlow ez-zone ® rml module • 126 • chapter 6 features alarm function alarms are activated when the output level, process value or temperature leaves a defined range. A user can configure how and when an alarm is triggered, what action it takes and whether it turns off auto matically when the alarm ...
Page 131
Watlow ez-zone ® rml module • 127 • chapter 6 features alarm (cont .) if type = off then output value = off alarm state = none alarm indication = none alarm - off if alarm type = process then output value changes state when alarm source exceeds alarm set points. Output value alarm clearable alarm wo...
Page 132
Watlow ez-zone ® rml module • 128 • chapter 6 features analog input function note: this function configures and connects physical inputs to internal functions. Configure the sensor type to match what is connected. For process inputs such as potentiometer, volt- age, or milliampere, set the electrica...
Page 133
Watlow ez-zone ® rml module • 129 • chapter 6 features analog input (cont .) analog input - off analog input value analog input - thermocouple analog input - process or potentiometer analog input value analog input - thermistor analog input value analog input - rtd analog input analog input analog i...
Page 134
Watlow ez-zone ® rml module • 130 • chapter 6 features compare function use the compare function to compare two analog values (a and b) for a condition such as are they equal. If the compare condition is met, the output turns on. The tolerance is expressed in the same units as source a and requires ...
Page 135
Watlow ez-zone ® rml module • 131 • chapter 6 features compare (cont .) compare - greater than compare - less than compare - greater or equal compare - less or equal no compare, output value = off a>b, output value = on a not equal b, output value = on a>=b, output value = on a a a=b, output value =...
Page 136
Watlow ez-zone ® rml module • 132 • chapter 6 features counter function counters increment up or down from a preset value. When the count is equal to the target, the output value will be active. • function selects whether the counter increments or decrements the count value. Decre- menting to 0 retu...
Page 137
Watlow ez-zone ® rml module • 133 • chapter 6 features custom function use custom menu to set the user defined parameters to display at the home page of an rui/ gateway. Diagnostic function custom - overview instances - rml = 30 instance id parameter parameter [14005] : none, process, calibration of...
Page 138
Watlow ez-zone ® rml module • 134 • chapter 6 features digital input/output function the output value is determined by function connection and direction. • error [6015] : none, open, shorted, measurement error, bad cal data, ambient error, rtd error, fail,math error, not sourced, stale digital i/o -...
Page 139
Watlow ez-zone ® rml module • 135 • chapter 6 features digital input/output (cont .) global function digital i/o as input input state digital i/o value error digital input value output state digital i/o value error digital i/o as output low p owe r scale fixed time base time base type high p owe r s...
Page 140
Watlow ez-zone ® rml module • 136 • chapter 6 features linearization function this function will take an analog source a and re-linearize using a 10-point offset, then add offset and produce an output value. • error [34028]: none, open, shorted, measurement error, bad cal data, ambient error, rtd er...
Page 141
Watlow ez-zone ® rml module • 137 • chapter 6 features linearization (cont .) source function a source instance a source zone a source error a source function a source instance a source zone a source error a source function a source instance a source zone a source error a linearization - off output ...
Page 142
Watlow ez-zone ® rml module • 138 • chapter 6 features logic function • error [27036] : none, open, shorted, measurement error, bad cal data, ambient error, rtd error, fail, math error, not sourced, stale function logic - overview instances - rml = 16 source function a source instance a source zone ...
Page 143
Watlow ez-zone ® rml module • 139 • chapter 6 features logic (cont .) logic - and logic - nand a * b * c * d * e * f * g * h = on a * b * c * d * e * f * g * h = on error error output value output value function error handling function error handling source function a source instance a source zone a...
Page 144
Watlow ez-zone ® rml module • 140 • chapter 6 features logic (cont .) logic - not equal if a = b = c = d = e = f = g = h then on if a = b = c = d = e = f = g = h then on logic - equal function error handling function error handling source function a source instance a source zone a source error a sou...
Page 145
Watlow ez-zone ® rml module • 141 • chapter 6 features logic (cont .) logic - off output value = off function error handling source function a source instance a source zone a source error a source function b source instance b source zone b source error b source function c source instance c source zo...
Page 146
Watlow ez-zone ® rml module • 142 • chapter 6 features math function the math function block accepts multiple inputs and performs a programmed math function to derive an output value with filter and offset values applied. It is assumed that no input er- ror conditions apply. Some math operations mus...
Page 147
Watlow ez-zone ® rml module • 143 • chapter 6 features math (cont .) math - off range low range low range low range low range high range high range high range high pressure units pressure units pressure units pressure units altitude units altitude units altitude units altitude units scale low scale ...
Page 148
Watlow ez-zone ® rml module • 144 • chapter 6 features math (cont .) math - differential math - ratio math - add output value = filter [(a - b) + offset] display units follows source a plus relative source b output value = filter [(a / b) + offset] if display units of source a = source b, no display...
Page 149
Watlow ez-zone ® rml module • 145 • chapter 6 features math (cont .) math - multiply math - absolute difference math - minimum math - maximum output value = filter [(a * b * c * d) + offset] display units follows last temperature source else follow source a output value = filter [maximum value (a : ...
Page 150
Watlow ez-zone ® rml module • 146 • chapter 6 features math (cont .) math - square root math - sample and hold math - pressure to altitude math - dewpoint output value = filter [convert source a in pressure to altitude + offset] note: pressure altitude calculation is based on the international stand...
Page 151
Watlow ez-zone ® rml module • 147 • chapter 6 features modbus ® function configure the modbus rtu serial communication settings using these parameters. Modbus word order [17043] : word low high, word high low baud rate [17002] : 19600, 19200, 38400 parity [17003] : none, even, odd ЛЏ.Hl baud par com...
Page 152
Watlow ez-zone ® rml module • 148 • chapter 6 features output function this function configures and connects physical outputs to internal functions. Note: digital outputs not included on these sheets • output value [18019] : 0 to 10.0 volts or 0 to 20.00 milliamperes • output value [6011] : on, off ...
Page 153
Watlow ez-zone ® rml module • 149 • chapter 6 features security function if password is enabled, the user must enter the password to get to menus that have been blocked due to lock level settings. Rolling passwords required a new password each time the power has been cycled to the controller. It wil...
Page 154
Watlow ez-zone ® rml module • 150 • chapter 6 features timer function • error [31018] = none, open, shorted, measurement error, bad cal data, ambient error, rtd error, fail, math error, not sourced, stale • running [31015] = off, on timer - overview instances - rml = 16 function run active level res...
Page 155
Watlow ez-zone ® rml module • 151 • chapter 6 features timer (cont .) off output value = off timer - off output value = off function run active level reset active level time transmitter active level source function a source instance a source zone a source error a source function b source instance b ...
Page 156
Watlow ez-zone ® rml module • 152 • chapter 6 features timer (cont .) on pulse an on pulse timer is used to produce an output pulse of a constant duration. It can be used as a minimum on time for compressor control or other devices that do not want excessive cy- cling. Use function to select on puls...
Page 157
Watlow ez-zone ® rml module • 153 • chapter 6 features timer (cont .) delay a delay timer is used to cause a delaying action. The delay can be made to happen on either the leading or trailing edge. This can be used to keep short input pulses from propagating or to have a secondary action occur at a ...
Page 158
Watlow ez-zone ® rml module • 154 • chapter 6 features timer (cont .) one shot the one shot timer functions like a simple oven timer. The time value gets set by the user and it counts down to zero without retaining the original time (hence the name one-shot). This is intended to be used in applicati...
Page 159
Watlow ez-zone ® rml module • 155 • chapter 6 features timer (cont .) retentive a retentive timer is used to keep track of how much time something has been in a particular state. For example, this can be used to time how long something has been in an alarm state or how long it has been since a profi...
Page 160
Watlow ez-zone ® rml module • 156 • chapter 6 features variable function a variable function block is used to store a user sup plied value and provide a source input to another function block with that value. As an example, you could use a variable function val- ue as one input to a compare function...
Page 161: Chapter 8: Appendix
Watlow ez-zone ® rml module • 157 • chapter 8 appendix 8 chapter 8: appendix modbus ® - programmable memory blocks the modbus assembly contains 40 pointers to the parameters of your choosing starting at modbus register 40 (shown on the following page). The pointers are 32-bits long so are stored in ...
Page 162
Watlow ez-zone ® rml module • 158 • chapter 8 appendix assembly pointer registers and assembly working registers pointer addresses working addresses pointer addresses working addresses 40 & 41 200 & 201 120 & 121 280 & 281 42 & 43 202 & 203 122 & 123 282 & 283 44 & 45 204 & 205 124 & 125 284 & 285 4...
Page 163
Watlow ez-zone ® rml module • 159 • chapter 8 appendix modbus default assembly structure 40-119 pointer 1 = 0 & 1 hardware id registers 40 & 41 registers 200 & 201 registers 42 & 43 registers 202 & 203 registers 44 & 45 registers 204 & 205 registers 46 & 47 registers 206 & 207 registers 48 & 49 regi...
Page 164
Watlow ez-zone ® rml module • 160 • chapter 8 appendix modbus default assembly structure 120-199 pointer 31 = 0 & 1 hardware id registers 120 & 121 registers 280 & 281 registers 122 & 123 registers 282 & 283 registers 124 & 125 registers284 & 285 registers 126 & 127 registers 286 & 287 registers 128...
Page 165
Watlow ez-zone ® rml module • 161 • chapter 8 appendix troubleshooting alarms, errors and module issues indication description possible cause(s) corrective action alarm won’t clear or reset alarm will not clear or reset with key- pad or digital input • • alarm latching is active • • alarm set to inc...
Page 166
Watlow ez-zone ® rml module • 162 • chapter 8 appendix indication description possible cause(s) corrective action alarm low al.L1 al.L2 al.L3 al.L4 al.L5 al.L6 al.L7 al.L8 al.Lq al.10 al.11 al12 al.13 al.14 al.15 al.16 sensor input below low alarm set point • • temperature is less than alarm set poi...
Page 167
Watlow ez-zone ® rml module • 163 • chapter 8 appendix indication description possible cause(s) corrective action limit low li.L1 li.L2 li.L3 li.L4 li.L5 li.L6 li.L7 li.L8 li.Lq li.10 li.11 li.12 sensor input below low limit set point • • temperature is less than limit set point • • • limit outputs ...
Page 168
Watlow ez-zone ® rml module • 164 • chapter 8 appendix indication description possible cause(s) corrective action rui value to high val.H value to high to be displayed in 4 digit led display >9999 • incorrect setup • check scaling of source data detection of and rules around abnormal sensor conditio...
Page 169
Watlow ez-zone ® rml module • 165 • chapter 8 appendix rml specifications line voltage/power • 20.4 to 30.8v ı (ac/dc), 50/60hz, ±5 percent • power consumption: 7 w, 14va • any external power supply used should comply with a class 2 or selv rating. (safety extra low voltage) • data retention upon po...
Page 170
Watlow ez-zone ® rml module • 166 • chapter 8 appendix mounting • din-rail specification en50022, 35 x 7.5 mm (1.38 x 0.30 in.) • can be din-rail mounted or chassis mounted with customer-supplied fasteners dimensions weight 155.0 mm (6.10 in) 116.08 mm (4.57 in) controller: 453.59 g (16 oz.) wiring ...
Page 171
Watlow ez-zone ® rml module • 167 • chapter 8 appendix • potentiometer: 0 to 1,200Ω • inverse scaling • response time: 1 second max., accuracy ±1ma typical input type max error @ 25 deg c accuracy range low accuracy range high units j ±1.75 0 750 deg c k ±2.45 -200 1250 deg c t ±1.55 -200 350 deg c ...
Page 172
Watlow ez-zone ® rml module • 168 • chapter 8 appendix operating range input type range low range high units j -210 1200 deg c k -270 1371 deg c t -270 400 deg c n -270 1300 deg c e -270 1000 deg c r -50 1767 deg c s -50 1767 deg c b 0 1816 deg c c 0 2315 deg c d 0 2315 deg c f (ptii) 0 1343 deg c r...
Page 173
Watlow ez-zone ® rml module • 169 • chapter 8 appendix digital input • update rate 10hz • dc voltage - max. Input 36v at 3ma - min. High state 3v at 0.25ma - max. Low state 2v dry contact • update rate 10hz • min. Open resistance 10kΩ • max. Closed resistance 50Ω output hardware • electromechanical ...
Page 174
Watlow ez-zone ® rml module • 170 • chapter 8 appendix off, average, process scale, deviation scale, differential (subtraction), ratio (divide), add, multiply, absolute difference, min., max., square root, sample and hold timers - 16 total on pulse produces output of fixed time on active edge of tim...
Page 175: Rml Ordering Information
Watlow ez-zone ® rml module • 171 • chapter 8 appendix ez-zone rail mount enhanced options future options slot e slot d slot b slot a connector style/ custom product limit module watlow ®, ez-zone ® and tru-tune ® are registered trademarks of watlow electric manufacturing company. Ul® is a registere...
Page 176
Watlow ez-zone ® rml module • 172 • chapter 8 appendix declaration of conformity ce doc ez-zone rm-09-14 page 1 of 1 ez zone series rm watlow electric manufacturing company iso 9001 since 1996. 1241 bundy blvd. Winona, mn 55987 usa declares that the following series rm (rail mount) products: model n...
Page 177: How to Reach Us
Watlow ez-zone ® rml module • 173 • chapter 8 appendix how to reach us corporate headquarters watlow electric manufacturing company 12001 lackland road st. Louis, mo 63146 sales: 1-800-watlow2 manufacturing support: 1-800-4watlow email: info@watlow.Com website: www.Watlow.Com from outside the usa an...