Lambda ZUP10-20 User manual

Manual is about: Programmable DC Power Supplies Constant Voltage/Constant Current Built-in RS232 & RS485 Interface with GPIB option.

Summary of ZUP10-20

  • Page 1

    User's manual zero-up 200w/400w/800w programmable dc power supplies constant voltage/constant current testing equipment 65sa listed us c tuv rheinland geprufte sicherheit .. .. Densei-lambda built-in rs232 & rs485 interface with gpib option..

  • Page 2: Declaration of Conformity

    We nemic-lambda ltd., located at karmiel industrial zone, israel, declare under our sole responsibility that the product: product name: programmable regulated power supplies, zup series models: conforms to the following product specifications: safety: en61010-1/04.93, en61010-1 a2/07.95 ul3111-1 ele...

  • Page 3

    Table of contents: zup series safety instructions ..................................................................... Warranty .......................................................................................... Chapter 1. General information chapter 2. Specifications chapter 3. Installation...

  • Page 4

    Table 4-1: front panel controls and indicators ....................................... 4.2.2 rear panel ............................................................................ 4.2.3 rear panel connections description ..................................... 4.3 turn-on checkout procedure 4.3.1 gen...

  • Page 5

    5.4.1 introduction 5.4.2 rs485 cable 5.4.3 linking power supplies 5.5 zup series command set description 5.5.1 id control commands............................................................... 5.5.2 initialization control 5.5.3 output control............................................................

  • Page 6: Warranty Service

    Warranty service warranty disclaimer limitation of warranty trademark information this product must be returned to an authorized nemic-lambda service facility for repairs or other warranty service. For products returned to nemic-lambda for warranty service, the buyer shall prepay shipping charges to...

  • Page 7: Safety Instructions

    Safety instructions caution installation category grounding fuses live circuits part substitutions & modifications environmental conditions input ratings the following safety precaution must be observed during all phases of operation, service and repair of this equipment. Failure to comply with the ...

  • Page 8: Safety Instructions

    Safety instructions safety symbols instruction manual symbol. The instrument will be marked with this symbol when it is necessary for the user to refer to the instruction manual. Indicates hazardous voltage. Indicates ground terminal. The warning sign denotes a hazard.An attention to a procedure is ...

  • Page 9: Warning

    Output terminals cover models up to 60v output voltage after connection of the load wires ( refer to par. 3-7 ), attach the plastic cover to the rear panel of the power supply, using two self tapping screws supplied with the unit. Refer to fig. 1-1 for details. Fig. 1-1: terminals cover assembly fig...

  • Page 10: 1.2 Introduction

    Chapter 1 general information 1.1 user’s manual content 1.2 introduction 1.2.1 general description 1.2.2 configurations 1.2.4 output connections 1.2.5 analog voltage programming 1.2.6 parallel operation 1.2.3 control via the serial communication port this user’s manual contains the operating instruc...

  • Page 11: 1.3.1 General

    1.3.1 general 1.3.4 front panel outputs option 1.3.3 ac cables 1.3.2 serial link cables 1.3 accessories accessories are delivered with the power supply or separately upon ordering. Below are listed possible accessories and ordering numbers. Part no. Description nl100 19” rack, 3u height nl200 dual o...

  • Page 12: Chapter 2 Specifications

    Chapter 2 specifications 2.1 specifications: 200w/400w series zup20- 20 zup20- 10 zup10- 40 zup10- 20 zup6- 66 zup6- 33 zup60- 7 0~7 0~1 2 zup60- 3.5 0~3 .5 0~6 216 432 210 420 zup36- 12 zup36- 6 0~3 6 0~6 0 zup120- 3.6 zup120- 1.8 zup80- 5 zup80- 2.5 v a w - - mv mv ms - - ms ms ms - - ma - - - - -...

  • Page 13

    - - - - - - kg mm - - - - - - - - - - - - - - - opera ting tempera ture opera ting humidity st orage tempera ture st orage humidity vibra tion (*9) shock weight size (wxhxd) output on/off output good output vol tage progr. Output current progr. Remote sensing communica tion interf ace environ- ment ...

  • Page 14

    V a w - - mv mv ms - - ms ms ms - - ma - - - - - - v - - - - - - a - - % a model output vol tage (*1) output current (*2) ra ted output power load regula tion line regula tion rms ripple ripple recover y time (*4) tempera ture coefficient tempera ture drift (5hz-1mhz bandwid th) (pk to pk 20mhz band...

  • Page 15

    - - - - - - kg mm - - - - - - - - - - - - - - - opera ting tempera ture opera ting humidity st orage tempera ture st orage humidity vibra tion (*8) shock weight size (wxhxd) output on/off output good output vol tage progr. Output current progr. Remote sensing communica tion interf ace environ- ment ...

  • Page 16

    2.2 supplemental characteristics the supplemental characteristics give typical but non-warranted performance characteristics. The supplemental characteristics are useful in accessing applications for the power supply. Several kinds of supplemental characteristics are listed below. 1. Evaluation data...

  • Page 17: Chapter 3 Installation

    Chapter 3 installation 3.1 general 3.2 initial inspection 3.2.1 mechanical inspection 3.2.2 preparation for use 3.3 ac source requirements 3.4 cooling & placement 3.5 rack mounting 3.6 power connection note caution this chapter contains instructions for initial inspection, preparation for use and re...

  • Page 18: Warning

    This power supply is equipped with a three conductor power cable. The third conductor is the ground conductor. When the cable is plugged-in to an appropriate receptacle, the power supply is grounded. Under no circumstances should this power supply be operated without an adequate ground connection. I...

  • Page 19: 3.7.2 Wire Termination

    13 for current not shown in tables 3-1 and 3-2 use formula: maximum length=500/(current*resistivity) where current is expressed in ampers and resistivity in ohms/km or ohms/1000ft. Table 3-2: maximum wire length for 0.5v drop on lead (in meters) cross sect. Area (mm 2) 5a 12.2 6.1 3.0 1.2 0.4 19.6 9...

  • Page 20

    3.7.4 single load connection, remote sensing 3.7.5 multiple load connections, radial distribution method remote sensing is used in cases where, in constant voltage mode the load regulation is important at the load terminals. Use twisted or shielded wires to minimize noise pick-up. If shielded wires ...

  • Page 21: 3.7.7 Grounding Outputs

    Fig. 3-5: 3.7.6 multiple load connections with distribution terminals 3.7.7 grounding outputs 3.8 external control connector 3.8.1 general if remotely located output distribution terminals are used, the power supply output terminals should be connected to the distribution terminals by a pair of twis...

  • Page 22: 3.8.2 Pin Description

    3.8.2 pin description 3.8.3 external control connector - technical description 1. Connector type : amp, part no: 102617-5 14 contacts, double row. 2. Receptacle : amp, part no: 87631-9, polarized, 14 contacts, double row. 3. Receptacle contacts : amp, part no: 87523-5 (strip form) or 87523-6 (loose ...

  • Page 23

    3.9 repackaging for shipment to ensure safe transportation of the instrument, it is recommended to use the original package. The original packaging material is reusable. If the original package is not available, contact the nemic- lambda sales or service facility near you for details on obtaining su...

  • Page 24: 3.10

    3.10 outline dra wings zup 200w and zup 400w series dimensions: mm 200w /400w unit s: 70x124x350 weight :k g 200w unit s: 2.9 400w unit s: 3.2 20.0 20.0 13.0 13.0 59.5 30.0 (note4) 70.0 201.5 11 .0 +0.5 _ + + 0.5 0.5 _ _ 350.0 + 1 _ 290.0 + 1 _ + 1 _ 124.0 48.0 11 .0 mounting holes ta p m 4 x 4 mark...

  • Page 25: 3.1

    Rubber bumpers: 4 places marked ‘b’ (removable) 3.1 1 o utline dra wings zup 800w series dimensions: 140x124x350 mm. Weight : 5.8 kg. 20.0 22.0 22.0 30.0 46.3 47.0 external control connector (note3) iec320 ac inlet rs232/rs485 communication connectors remov able handle 11 .0 +1.0 _ 350.0 + 1 _ 290.0...

  • Page 26: 3.12 Outline Drawings

    Physical dimensions in mm. 392.0 max. 153.0 + 1.0 _ 70.0 + 0.5 _ front panel output jacks option: available for zup200w , zup400w and zup800w series for 6v to 60v models. Zup200/l and zup400/ l zup200/l and zup400/ l up to 20a output current via front panel jacks. Caution: zup800 front panel output ...

  • Page 27: 4.1 Introduction

    This chapter describes the operating modes, controls and indicators of the zup power supply series. Details of local operation via the front panel and various modes of operation are described in this chapter, including remote analog control via the rear panel. For computer control via the serial por...

  • Page 28

    Table 4-1: front panel controls and indicators # control/indicator 1 amps display 2 volts display 3 cv indicator 4 cc indicator 4.4.2 4.4.3 4.4.5 4.4.6 5.2.1 4.4.8 4.4.9 5.2.4 4.4.7 5 adjust knob (rotary pulse generator) 6 alm indicator 7 out pushbutton 8 rem pushbutton 9 fold pushbutton description...

  • Page 29: 4.2.2 Rear Panel

    Table 4-1 contd.: front panel controls and indicators 4.2.2 rear panel 6v to 60v models 80v and 120v models # control/indicator 10 ac on/off 11 v/a pushbutton 12 ovp / uvp 13 addr description turnsac power on and off. Selects the voltage or current adjust mode. Fast or slow adjustment speed can be s...

  • Page 30: 4.3.1 General

    4.2.3 rear panel connections description # connection 1 ac inlet 2 remote in 3 remote out 4 external control 5 output bus bars 7 (6v to 60v models) 6 ground thread o u t p u t c o n n e c t o r (80v and 120v models) description iec type appliance inlet. Eia/tia-568a type connector, used for connecti...

  • Page 31: 4.3.5 Ovp Check

    4.3.4 constant current check 4.3.5 ovp check 4.3.6 uvp check 4.3.7 foldback check 4.3.8 output on/off 4.3.9 address setting 4.3.10 local/remote operation turn off the power supply. Connect an electronic load with suitable voltage and current rating to the output terminals, as explained in paragraph ...

  • Page 32: 4.4 Local Operation

    4.4 local operation 4.4.1 introduction 4.4.2 constant voltage operation this paragraph describes the operating modes not involved in programming the power supply via it’s serial communication port. Operation utilizing the front and rear panel are described in this paragraph. For information regardin...

  • Page 33: 4.4.4 Automatic Crossover

    4.4.4 automatic crossover 4.4.5 over voltage protection (ovp) if the power supply operates in constant voltage mode while the load current is increased to greater than the current limit setting, the power supply will automatically switch to constant current mode. If the load is decreased to less tha...

  • Page 34: 4.4.7 Foldback Protection

    4.4.8 output on/off control 4.4.7 foldback protection the on/off circuit has two controls; a front panel pushbutton and a rear panel connection. Priority is given to the rear panel connection. 1. Foldback protection will shut down the power supply output if the load current exceeds the current limit...

  • Page 35: 1. Automatic Start Mode

    1. Automatic start mode 4.4.9 last setting memory in this mode the power supply restores it’s last operation setting and sets the out to ‘on’ state. Upon start-up, the output is enabled and the power supply delivers power to the output terminals. To select this mode press and hold out pushbutton. Af...

  • Page 36: Note

    4. Output voltage programming by externalresistor fig 4-5 shows a typical set-up for programming the output voltage. A variable programming resistor, 0~4kohm produces a proportional output voltage from zero to full scale. In order to set the low limit, a series resistor can be connected to the progr...

  • Page 37: Caution

    4.4.11 output voltage programming by external voltage 4.4.12 output current programming by external voltage caution caution fig. 4-7 shows the set-up for external voltage programming of the output voltage. A voltage source variable from 0 to 4v, programs the output voltage proportionally from zero t...

  • Page 38: Note

    4.4.13 auto parallel operation 4.While operating in cv mode, the master unit regulates the output voltage and the slave units operate as controlled current source, following the master output current. It is recommended to design the power system so that each unit will supply up to 95% of it’s curren...

  • Page 39

    Fig. 4-10: local sensing with distribution terminals. (zup rear panel view) fig. 4-11:auto parallel with remote sensing (zup rear panel view) - v - v - v - v +v +v +v +v +s - s load load master power supply master power supply slave power supply slave power supply + + _ _ - ls - ls - s - s +ls +ls +...

  • Page 40: Caution

    Caution caution when two power supplies are connected in series, they should be programmed to the same output voltage to prevent damage to the lower voltage supply at short circuit condition. When power supplies are connected in series, and the load or one of the output terminals is grounded, no poi...

  • Page 41

    3. Series connection for bipolar output voltage: 3.1 general: at this operation mode, two units are configured as a bipolar voltage/current source. Set the current limits of each power supply to the maximum that the load can handle without damage. It is recommended to connect diodes in parallel to e...

  • Page 42: 4.4.15 Output Good Signal

    Fig. 4-16: hierarchical structure in multiple supply systems. 4.4.15 output good signal typical applications of output good signal output good signal is an open collector output, referenced to com potential, indicating the status of the power supply output. While the power supply operates normally, ...

  • Page 43: 5.1

    This chapter describes the operation of the zup series via the serial communication port. Details of the initial set-up, operation via rs232 or rs485, the command set and the communication protocol are described in this chapter. The zup addresses can be set to any address between 01 and 31. Follow t...

  • Page 44: 5.3.1 Introduction

    5.3 remote programming via rs232 5.3.1 introduction 5.3.2 rear panel connectors pinout in rxd+ rxd+ txd+ txd+ rxd _ rxd _ txd _ txd _ not used shield (connector enclosure) not used rx (rs232) nc nc sg tx(rs232) sg out rs232 10m max. 1000m max. Rs485 rs485 fig. 5-1: linking zup units with rs232 contr...

  • Page 45

    The rs232 is used only for connecting the power supply to the controller pc. For linking several power supplies, refer to par. 5.3.4. It is possible to link up to 31 zup units, using rear panel in/out connectors and linking cables as shown in fig. 5-1. The first unit communicates with the pc via rs2...

  • Page 46: 5.4.1 Introduction

    Fig. 5-7: rs485 cable with db-9 female connector. Fig. 5-6: linking zup units to rs485 control. For operation environments that require high noise immunity or long distance communication, it is recommended to use the built-in rs485 interface. The rs485 interface is accessible through the rear panel ...

  • Page 47: 5.5.2 Id Control Commands

    5.5.2 id control commands # commands 1 :mdl?; 2 :rev?; description returns the power supply model identification as anascii string: nemic-lambda zup(xxv)-(yya). Xx - the rated output voltage yy - the rated output current example: nemic-lambda zup(6v-33a) returns the software version as anascii strin...

  • Page 48: 5.5.3 Output Control

    5.5.3 output control # commands 1 :voln; 2 :vol!; description sets the output voltage value in volts. This programmed voltage is the actual output at constant-voltage mode or the voltage limit at constant current mode. The range of the voltage values are as shown in table 5-1. Use all digits for vol...

  • Page 49

    5.5.3 output control continued # commands 5 :cur!; 6 :cur?; 7 :outn; 8 :out?; 9 :fldn; 10 :fld?; description returns the string (set amper) followed by the present programmed output current. The programmed value range is shown in table 5-2. Example- sa3.000 sa07.50 sa returns the string (actual ampe...

  • Page 50: 5.5.4 Status Control

    5.5.3 output control continued # commands 13 :uvpn; description sets the under-voltage protection limits in volts. Under-voltage range settings are given in table 5-4: model min. Max. Zup6-xy 0.00 5.98 zup10-xy 0.00 9.97 zup20-xy 00.0 19.9 14 :uvp?; 15 :astn; 16 :ast?; example - zup20-xy :uvp07.3; e...

  • Page 51

    Bit name bit name bit no bit no meaning (*3) (*3) (*1) (*2) (*3) meaning ovp not used ‘1’ - indicates that the over-voltage protection was tripped ‘1’ - indicates that a failure occurred at the input voltage supply ‘1’ - indicates an overflow in the communication buffer ‘1’ - indicates that the fold...

  • Page 52: 5.6 Communication Protocol

    5.5.4.2 status control commands continued # commands 3 :stp?; 4 :stt?; description reads the programming error register content. Returns the string followed by ascii characters representing the register’s content. Refer to table 5-7 for the register content description. Example- ps00000 ps reads the...

  • Page 53

    48 5.6.4. Communication test set up 1. Equipment : 2. Pc set up : 3. Zup set up 4. Communication attention: pc with windows hyperterminal private edition software installed , zup power supply , rs232 cable (nc401 when the pc uses db-9 or nc403 when the pc uses db-25 connector). Open hyper terminal p...

  • Page 54: 5.7 Service Request

    Service request is a message generated by the zup power supply to interrupt the controller. Srq can be generated by a power supply fault condition. Each of the following conditions can generate srq message: 1. Over voltage protection (ovp). 2. Over temperature protection (otp). 3. Foldback protectio...

  • Page 55: Chapter 6 Maintenance

    This chapter contains maintenance and calibration information for the zup power supply series. Units requiring repair during the warranty period should be returned to a nemic-lambda authorized service facility. Refer to the address listing on the back cover of this user’s manual. Unauthorized repair...

  • Page 56

    28 23 41 39 13 46 ac cables ac fail accessories address adjustment alarm status amps display auto-parallel automatic start baud rate bipolar voltage buffer overflow last setting memory linking power supplies local/remote local sensing rack mounting remote sensing registers structure rs232 rs485 rxd ...

  • Page 57: User’S Manual

    Ia549-04-01e user’s manual zero-up 200w/400w/800w programmable dc power supplies constant voltage/constant current built-in rs232 & rs485 interface with gpib option. Testing equipment 65sa listed us c tuv rheinland geprufte sicherheit .. .. Ad0204 densei-lambda zero-up 200w/400w/800w programmable dc...