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ST N30U User Manual

Manual is about: DIGITAL PANEL METER

Summary of N30U

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    1 digital panel meter n30u type user’s manual.

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    2.

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    3 contents 1. Application and meter design ........................................5 2. Meter set ..................................................................................6 3. Basic requirements, operational safety .................7 4. Installation ............................................

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    4.

  • Page 5: Features of The N30U Meter:

    5 1. Application and meter design the n30u meter is a programmable digital panel meter destined for measurements of signals originating from standard sensors destined for temperature measurements and for the measurement of analog standard signals applied in automation. Additionally, the meter enable...

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    6 2. Meter set the set is composed of: - n30u meter ........................................................................1 pc - user’s manual ....................................................................1 pc - guarantee card ....................................................................

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    7 3. Basic requirements, optional safety in the safety service scope, the n30u meter meets the requirements of the en 61010-1 standard. Mentioned below applied symbols mean: - especially important , one must acquaint with this information before connecting the meter. The non- observance of notices m...

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    8 fig. 3. Overall dimensions fig. 2. Meter fixing 4. Installation the meter has separable strips with screw terminals, which enable the connection of external wires of 1.5 mm 2 cross-section for input signals and 2.5 mm 2 for other signals. One must prepare a hole of 92 +0,6 ´ 45 +0,6 mm in the pane...

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    9 4.1. Lead-out of signals signals led out on the meter connectors are presented on the fig. 4. Circuits of successive groups of signals are separated between them. Fig. 4. Description of signals on connection strips · 0...10 v – input for the measurement ±10 v voltage, · gnd – mass for the 0...10 v...

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    10 4.2. Examples of connections an example of the n30u meter connection to different signals is pre- sented on the fig. 5. Fig. 5. Ways of the meter connection for the connection of input signals in environments with a high noise level, one must apply shielded wires..

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    11 5. Service 5.1. Display description fig. 6. Description of the meter frontal plate 5.2. Messages after switching the supply on after switching the supply on, the meter displays the meter name n30u and next the program version in the „r x.Xx” shape – where x.Xx is the number of the current program...

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    12 5.3. Functions of buttons - acceptation button: Þ entry in programming mode (hold down ca 3 seconds) Þ moving through the menu – choice of level, Þ entry in the mode changing the parameter value, Þ acceptation of the changed parameter value, Þ stop the measurement – when holding down the button, ...

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    13 the pressure of the button combination and holding them down ca 3 seconds, causes the reset of alarm signaling. This operation acts only when the support function is switched on. The pressure of the button combination causes the era- sing of the minimal value. The pressure of the button combinati...

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    14 fig. 7. Service algorithm of the n30u meter.

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    15 5.4. Programming the pressure of the button and holding it down through ca 3 seconds causes the entry to the programming matrix. If the entry is pro- tected by a password, then the safety code symbol sec is displayed alternately with the set value 0. The write of the correct code causes the entry...

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    16 fig. 8. Programming matrix..

  • Page 17: Inp 1

    17 table 1 5.4.2. Changing floating-point values the change is carried out in two stages (the transition to the next stage follows after pressing the button): 1) setting the value from the range -19999m...99999, similarly as for integral values; 2) setting of the decimal point position (00000., 0000...

  • Page 18: Indcp

    18 table 2 ind parameter symbol description range of changes indcp number of points of the individual characteristic. For a value lower than 2, the individual characteristic is switched off. The number of segments is the number of points decreased of one. The individual characteristic is not taken i...

  • Page 19: D_P

    19 disp parameter symbol description range of changes d_p minimal position of the decimal point when displaying the measured value - display format. This parameter is not taken into consideration during tcounth and hour modes. 0.0000 – 0 00.000 – 1 000.00 – 2 0000.0 – 3 00000 – 4 coldo display colou...

  • Page 20: Typ1

    20 typ1 typ2 typ3 typ4 alarm type. Fig. 11 presents the graphical imaging of alarm types n-on – normal (transition from 0 na 1), n-off – normal (transition from 1 na 0), on - switched on, off – switched off, h-on – manually switched on; till the change time of the alarm type, the alarm output remain...

  • Page 21: P_An

    21 led1 led2 led3 led4 support of alarm signaling. In the situation when the support function is switched on, after the alarm state retrea, the signaling diode is not blanked. It signals the alarm state till its blank- ing moment by means of the button com- bination. This function concerns only and ...

  • Page 22: Baud

    22 baud baud rate of the rs485 interface 4.8 – 4800 bit/s 9.6 – 9600 bit/s 19.2 – 19200 bit/s 38.4 – 38400 bit/s 57.6 – 57600 bit/s 115.2 – 115200 bit/s prot type of transmission frame of the rs-485 interface. R8n2 r8e1 r8o1 r8n1 addr address in the modbus net- work. The write of the value 0 switche...

  • Page 23: Test

    23 test display test. The test consists in a successive lighting up of digital display segments. Alarm diodes and unit highlighting diodes should be lighted. Yes – causes the test start the pressure of the button ends the test. No – do nothing. 5.4.4 individual characteristic n30u meters can recalcu...

  • Page 24

    24 rys. 10. Individual characteristic. During the function approximation, one must remember that for the ap- proximation of functions strongly differing from the linear characteristic, higher the number of linearizing segments, smaller the error related to the linearization. If measured values are s...

  • Page 25: A) N-On

    25 ged in the increasing sequence, such to preserve the following depen- dence: h1 if the above is not fulfilled, the individual characteristic function will be automatically switched off (will not be realized) and a diagnostic flag will be set in the status register. A) n-on b) n-off c) on d) off f...

  • Page 26: Caution !

    26 caution ! L in case of alarms of n-on, n-off, on, off types the write of prl>prh will cause the alarm switching off. L in case of a measuring range overflow, the reaction of the relays is compatible with written prl, prh, typ parameters. In spite of the dis- played overflow, the meter still carri...

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    27 parametru symbol level in the matrix standard value typ1 1 pt1 con 1 0 cnt1 1 1 indcp 2 no h0 2 0 y0 2 0 h1 2 100 y1 2 100 ... ... ... Hn 2 (n-1)*100 yn 2 (n-1)*100 d_p 3 00000 coldo 3 green colbe 3 orang colup 3 red collo 3 5000 colhi 3 8000 ovrlo 3 -19999 ovrhi 3 99999 p_a1, p_a2, p_a3, p_a4 4,...

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    28 prh1, prh2, prh3, prh4 4, 5, 6, 7 2000 dly1, dly2, dly3, dly4, 4, 5, 6, 7 0 led1, led2, led3, led4 4, 5, 6, 7 off p_an 8 inp1 typa 8 0_10u anl 8 0 anh 8 99999 baud 8 9.6 prot 8 r8n2 addr 8 1 set 9 no sec 9 0 hour 9 not defined unit 9 off test 9 off 6. Interface rs-485 n30u programmable digital me...

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    29 fig. 12. Connection way of the rs-485 interface connection of a higher quantity of devices, it is necessary to apply ad- ditional intermediate-separating systems (e.G. Pd51 converter). The lead out interface line is presented on the fig. 4. To obtain a cor- rect transmission, it is necessary to c...

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    30 6.2. Description of the modbus protocol implementation the implemented protocol is in accordance with the pi-mbus-300 rev g of modicon company specification. Set of the serial link parameters of n30u meters in modbus protocol: l meter address: 1...247, l baud rate: 4800, 9600, 19200, 38400, 57600...

  • Page 31: Notice:

    31 6.4 register map the register map of the n30u meter is presented below notice: all given addresses are physical addresses. In some computer pro- grams logic addressing is applied, then addresses must be increased of 1. Table 8 range of address value type description 4000-4049 integer (16 bits) va...

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    32 6.5. Registers for write and readout table 9 the value is placed in 16-bit registers write (w)/readout (r) input type 4000 typ1 w/r 0...14 range description symbol 0 pt1 – pt100 1 pt5 – pt500 2 pt10 – pt1000 3 rezl – resistance, range 400 w 4 rezl – resistance, range 4000 w 5 te-j – j – thermocou...

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    33 value 0 0.0000 1 00.000 2 000.00 3 0000.0 4 00000 4008 indcp w/r 1...21 number of points of the individual characteristic. For the value 1, the individual characteristic is switched off. Segments of the individual characteristic are defined by parameters xn and yn, where n – point number. Minimal...

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    34 support of alarm 1 signaling 4016 led1 w/r 0...1 value 0 support switched off 1 support switched on description description value 0 main input 1 clock input quantity controlling the alarm 4017 p_a2 w/r 0, 1 value 0 n-on 1 n-off 2 on 3 off 4 h-on 5 h-off type of alarm 2 (description – fig. 6) desc...

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    35 value 0 n-on 1 n-off 2 on 3 off 4 h-on 5 h-off type of alarm 3 (description – fig. 6) description 4022 typ3 w/r 0...5 delay of alarm 3 (in seconds) 4023 dly3 w/r 0...32400 support of alarm 3 signaling 4024 led3 w/r 0...1 value 0 support switched off 1 support switched on description description v...

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    36 type of analog output 4030 typa w/r 0...2 value 0 voltage input 0...10 v 1 current input 0...20 ma 2 current input 4...20 ma description baud rate 4031 baud w/r 0...5 value 0 4800 bit/s 1 9600 bit/s 2 19200 bit/s description 3 38400 bit/s 4 57600 bit/s 5 115200 bit/s meter address. The write of t...

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    37 bit 15 break of the supply bit 14 re-set of the rtc clock switch on/off the unit highlight 4038 unit w/r 0, 1 value 0 highlight swiched off 1 highlight swiched on description reserved ... ... ... ... Meter status. Describes the current state of the meter. Successive bits represent the given event...

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    38 table 10 bit 7 led4 – signaling of alarm nr 4. Bit 6 led3 – signaling of alarm nr 3. Bit 5 led2 – signaling of alarm nr 2. Bit 4 led1 – signaling of alarm nr 1. Bit 3 status of the alarm relay nr 4. Bit 2 status of the alarm relay nr 3. Bit 1 status of the alarm relay nr 2. Bit 0 status of the al...

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    39 7222 7611 prh 4 w/r -19999...99999 upper threshold of alarm 4 7224 7612 anl w/r -19999...99999 lower threshold of analog output 7226 7613 anh w/r -19999...99999 upper threshold of analog output 7228 7614 con w/r -19999...99999 reserved 7230 7615 w/r 0...60000 reserved 7232 7616 w/r 0...60000 rese...

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    40 7278 7639 y9 w/r -19999...99999 expected value for the point nr 9 7280 7640 h10 w/r -19999...99999 point of the individual characteristic. Point nr 10 7282 7641 y10 w/r -19999...99999 expected value for the point nr 10 7284 7642 h11 w/r -19999...99999 point of the individual characteristic. Point...

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    41 the value placed in two successive 16-bit registers. These registers include the same data as 32-bit registers from the area 7500 the value is placed in 32-bit registers name write (w) /readout (r) unit name of the quantity 7000 7500 identifier o — constant identifying the device. The value 183 m...

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    42 7020 7510 measured value o measured value - not recalculated in relation to the individual character- istic, a.S.L. 7022 7511 emf o mv emf measured on meter terminals, when measuring temperature by means of thermocouples. 7024 7512 resistance o ohm resistance measured on the mean line – only for ...

  • Page 43

    43 warning! Before doing update, currently settings of meter should be saved by program lpcon, because when software is updated default settings of meter are restored. After starting lpcon’s software com port, baudrate, transmission mode and adress should be set. It can be done in options. Then, n30...

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    44 8. Error codes after switching the meter to the network or during the work, messages about errors can appear. Messages about errors and their reasons are presented below. Error message description overflow of upper value of the measuring range value or the programmed indication range. The message...

  • Page 45: Additional Error:

    45 9. Technical data measuring ranges table 13 kind of input indication range class pt100 -205...855 °c (-200...850°c) 0.1 pt500 pt1000 400 w 0...410 w (0...400 w) 4000 w 0...4010 w (0...4000 w) thermocouple of j type -200...1200 °c (-100...1200 °c) thermocouple of k type -200...1370 °c (-100...1370...

  • Page 46: Relay Outputs

    46 relay outputs - relays, noc voltageless contacts load capacity 250 v~/0.5a~ - relays, switched voltageless contacts load capacity 250 v~/0.5a~ (option) analog outputs (option) - rogrammable, current 0/4..20ma load resistance  500 w - programmable, voltage 0..10v load resistance  500 w output of...

  • Page 47: Safety Requirements:

    47 standards fulfilled by the meter: electromagnetic compatibility: l noise immunity acc. To en 61000-6-2 l noise emissions acc. To en 61000-6-4 safety requirements: acc. To en61010-1 standard: l isolation between circuits: basic, l installation category: iii, l pollution level: 2, l maximal phase-t...

  • Page 48: Order Example:

    48 10. Order codes table 14 * - after agreeing with the manufacturer. Digital panel meter n30u - x x xx xx u x supply: 85... 253 v a.C. (45...65 hz) or d.C. .......................... 1 20...40v a.C. (40...400 hz ) , 20...60 v d.C. ............... 2 additional outputs: lack ............................

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    49 code of the highlighted unit table 15 code unit code unit 00 lack of unit 29 % 01 v 30 %rh 02 a 31 ph 03 mv 32 kg 04 kv 33 bar 05 ma 34 m 06 ka 35 l 07 w 36 s 08 kw 37 h 09 mw 38 m 3 10 var 39 obr 11 kvar 40 szt 12 mvar 41 imp 13 va 42 rps 14 kva 43 m/s 15 mva 44 l/s 16 kwh 45 rev/min 17 mwh 46 r...

  • Page 50: Without Notice.

    50 11. Maintenance and guarantee the n30u digital panel meter does not require any periodical mainte- nance. In case of some incorrect operations: 1. From the shipping date, during the period given in the annexed guarantee card one should take the meter down from the installation and return it to th...

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    51.

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    52 n30u-09a sifam tinsley instrumentation inc 3105, creekside village drive, suite 801 kennesaw ga 30144 email – psk@sifamtinsley.Com phone - +1 404 736 4903.