Nemic-Lambda ZUP Series, Manual

Page 1: ... Low Voltage Directive 73 23 EEC as amended by 93 68 EEC and the EMC directive 89 336 EEC as amended by 92 31 EEC and 93 68 EEC for Electrical Equipment used in Information Technology environments and carries the CE mark accordingly Our authorized representative in the EU is Coutant Lambda Limited located at Kingsley Avenue Ilfracombe Devon EX34 8ES UK Further all products covered by this declarat...

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Page 3: ... Supplemental characteristics 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 and placement 3 5 Rack mounting 3 6 Power connection 3 7 Connecting the load 3 7 1 Selecting wire size 3 7 2 Wire termination 3 7 3 Single load connection local sense 3 7 4 Single load connection remote sensing 3 7 5 Multiple load connections...

Page 4: ...4 4 9 Last Setting memory 4 4 10 Output Voltage Current programming by external resistor 4 4 11 Output Voltage Programming by external voltage 4 4 12 Output Current programming by external voltage 4 4 13 Auto Parallel operation 4 4 14 Series Operation 4 4 15 Output good signal 5 1 Introduction 5 2 Configuration 5 2 1 Address setting 5 2 2 RS232 or RS485 selection 5 2 3 Baud rate setting 5 2 4 Loca...

Page 5: ...t set up pg 48 5 7 Service Request pg 49 pg 50 6 1 Introduction 6 2 Units under warranty 6 3 Periodic Maintenance 6 4 Adjustment and calibration 6 5 Part replacement and repairs 6 6 Fuse ratings pg 51 CHAPTER 6 Maintenance USER S MANUAL INDEX pg 45 pg 42 pg 46 pg 43 pg 47 5 7 1 Service Request SRQ 5 7 2 Service Request message 5 7 3 Service Request enable disable commands TABLE OF CONTENTS ZUP SER...

Page 6: ...or errors contained in this document or for incidental or consequential damages in connection with the furnishing performance or use of this material No part of this document may be photocopied reproduced or translated into another language without the prior written consent of Nemic Lambda The warranty shall not apply to defects resulting from improper or inadequate usage or maintenance by the buy...

Page 7: ...lectrical ground before an other connection is made Any interruption of the protective ground conductor or disconnection of the protective earth terminal will cause a potential shock hazard that might cause personal injury Fuse must be changed by authorized Nemic Lambda service personnel only For continued protection against risk of fire replace only with the same type and rating of fuse Refer to ...

Page 8: ... equipment Do not proceed beyond a CAUTION sign until all indicated conditions are fully understood and met FCC COMPLIANCE NOTICE Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commerci...

Page 9: ...utput wires connection OUTPUT CONNECTOR COVER 80V and 120V models MALE CONNECTOR PSC1 5 3 M PE Phoenix FEMALE PLUG PSC 1 5 3 F PLASTIC PLUG COVER Wires Copper AWG16 30 Tightening torque 4lib in WARNING Hazardous voltages may exist at the output terminals Attach the terminals cover supplied with the unit to the chassis after connecting the load wires as described below Fig 1 1 Terminals cover assem...

Page 10: ...PIB system the GP485 controller can control up to 31 ZUPunits in a single GPIB address Output connections are made to rear panel bus bars for models up to 60V and connector for the 80V and 120V models Either the positive or negative terminal may be grounded or the output may be floated The maximum potential including the output voltage that either output terminal is from ground must not exceed the...

Page 11: ...ional safety standards of the country of usage ZUP J Japan 13A 125V unshielded 2m typ length with IEC320 connector on one NC305 side and Japan type plug on other side In cases where load connection at the front panel is required optional Front Panel output Jacks for a load current of 20A maximum is available Please note that the power supply height is increased with this option Refer to outline dr...

Page 12: ...0 01 2mV change in output over 8 hour interval under constant line load and ambient temperature following 30 minute warm up 50 50 100 5 6 2 7 74 77 15 15 15 15 15 15 15 5 5 5 5 5 2 9 1 4 2 9 1 4 75 79 78 82 7 5 2 9 1 4 2 6 1 3 76 80 78 82 0 10 15 2 9 1 4 74 78 0 20 25 2 9 1 4 73 77 0 33 198 396 200 400 200 400 50 3 0 1 5 69 72 15 30 15 30 15 30 15 30 15 30 15 30 15 30 250 0 7 5 1 350 0 13 0 5 400 ...

Page 13: ...NDUCTED EMI RADIATED EMI SERIAL OPERATION PARALLEL OPERATION COOLING ISOLATION RESISTANCE WITHSTAND VOLTAGE ZUP60 7 3 2 3 2 3 2 ZUP60 3 5 2 9 2 9 2 9 ZUP36 12 ZUP36 6 ZUP20 20 ZUP20 10 ZUP10 40 ZUP10 20 ZUP6 66 0 50 C 100 Load O 20 70 C O 30 90 RH No Dewdrop 10 95 RH No Dewdrop Less than 20G 10 55Hz Amplitude sweep 1min Less than 2G X Y Z 1 hour each 70 x 124 x 350 By TTL Signal or Dry Contact ref...

Page 14: ... voltage following 30 minute warm up 0 01 2mV change in output over 8 hour interval under constant line load and ambient temperature following 30 minute warm up 50 ZUP36 24 ZUP20 40 ZUP10 80 ZUP6 132 250 0 7 5 1 100 8 70 5 350 0 13 0 5 90 8 60 5 400 0 24 0 2 0 07 10mA for load voltage change equal to unit voltage rating constant input voltage 0 01 5mA from 85 132VAC or 170 265VAC constant load 20m...

Page 15: ... 0 5V drop on each load wire RS232 and RS485 Built in IEEE488 Optional UL 3111 1 EN61010 1 EN 61326 1 IEC 61326 1 FCC part 15 class A Master slave method up to 5 units refer to instruction manual Up to 2 units refer to instruction manual More than 100MOhm at 25 C and 70 R H EN55022 B FCC B VCCI B Forced air by blower fan blower fan is mounted within unit EN55022 A FCC A VCCI A Input Chassis 2 0kVA...

Page 16: ...s are listed below 1 EVALUATION DATA Typical performance of the power supply 2 RELIABILITYDATA Reliability performance of the power supply 3 IEC 1000 DATA Performance of the power supply under IEC 1000 test conditions 4 EMI DATA Typical EMI conducted and radiated performance of the power supply The supplemental characteristics data are held in each Nemic Lambda sales and service facility For furth...

Page 17: ...age must be within the power supply specification DO NOT apply power before reading paragraph 3 3 The ZUP series can be operated from a nominal 100V to 240V single phase 47 63Hz The input voltage range and current required for each model is specified in chapter 2 Make sure that under heavy load theAC voltage supplied to the power supply does not fall below low limit specifications This power suppl...

Page 18: ...ned before applying power There is a potential shock hazard when using a power supply with a rated output greater than 40V Use load wiring with a minimum insulation rating equivalent to the maximum output voltage of the power supply 3 7 CONNECTING THE LOAD 3 7 1 Selecting wire size Two factors must be considered in selecting wire size 1 Wires should be at least heavy enough to avoid overheating wh...

Page 19: ...n Local Sensing The wires should be properly terminated with terminals securely attached DO NOT use non terminated wires for load connection at the power supply Fig 3 1 illustrates the connection of a single load to the power supply using local sensing This connection is made via the External Control Connector located on the rear panel of the power supply Local sensing is suitable for applications...

Page 20: ... of multiple loads connected to one supply each load should be connected to the power supply s output terminals using separate pairs of wires It is recommended that each pair of wires will be as short as possible and twisted or shielded to minimize noise pick up and radiation The sense wires should be connected to the power supply output terminals or to the load with the most critical load regulat...

Page 21: ...he power supply regardless of how the system is grounded The external control connector used for analog programming of the power supply is located on the rear panel of the unit Fig 4 2 item 4 The pin assignment is shown in Fig 3 5 below The External Control Connector signals are connected to the negative output terminal If the negative output terminal is floated with respect to chassis ground thos...

Page 22: ... control circuit Reference voltage for Constant Voltage control connected to VCVP pin except external voltage or resistive programming Input of the Constant Voltage control circuit Open collector output 0 0 8V during normal operation open at fault condition OVP FOLD and Over Temp Parallel connection pin On Off control pin Common pin for programming On off control and Output Good signal Internally ...

Page 23: ...ternal control connector is configured for Local sensing and no external On Off control Refer to Fig 3 6 below for the default configuration description The default configuration is Local sensing Rear panel On Off disabled On Off can be controlled by the Front panel or by the serial communication port and output voltage and current are controlled by the Front panel or by the serial communication p...

Page 24: ...on enclosed in the package at time of shipment 3 Receptacle AMP 87631 9 14 contacts double row Pin 87523 5 or 87523 6 4 For 6V to 60V models 5 Male connector P S side PSC 1 5 3 M PE Phoenix Accessories Female connector user side PSC 1 5 3 F Phoenix Strain relief plastic housing Rubber Bumpers 4 places marked B removable 10 6 B B B B A A A A 48 4 _ 0 5 21 5 19 0 External Control Connector Note3 IEC...

Page 25: ...NDLE 11 0 1 0 _ 350 0 1 _ 290 0 1 _ 139 5 107 5 Mounting Holes Tap M4 x 4 marked A See note 1 Notes 1 Mounting screws must not protrude more than 6mm into the power supply 2 Use M8 or 5 16 screw for load wires connection enclosed in the package at time of shipment 3 Receptacle AMP 87631 9 14 contacts double row Pin 87523 5 or 87523 6 140 0 0 5 _ 0 5 _ 124 0 1 0 _ 99 6 201 50 0 5 _ 59 5 10 4 B B B ...

Page 26: ...ies for 6V to 60V models ZUP200 L and ZUP400 L Up to 20A output current via front panel jacks CAUTION ZUP800 front panel output is protected against overcurrent by 25A 125V Fast acting fuse For continued protection against risk of fire replace only with same type and rating of fuse 3 12 OUTLINE DRAWINGS ZUP800 L 153 0 1 0 _ 140 0 0 5 _ ...

Page 27: ...arious modes of operation are described in this chapter including remote analog control via the rear panel For computer control via the Serial port RS232 or RS485 refer to chapter 5 CHAPTER 4 OPERATING INSTRUCTIONS 4 1 INTRODUCTION 4 2 CONTROLS AND INDICATORS 4 2 1 Front panel Fig 4 1 Front panel controls and indicators 8 9 10 11 12 13 1 2 3 7 4 6 5 ...

Page 28: ... 3sec after completion of adjustment CV LED indicates that the power supply is regulating it s output at a constant voltage CC LED indicates that the power supply is regulating it s output at a constant current The ADJUST knob functions to determine the following output parameters 1 Output voltage adjust as determined by V Apushbutton 2 Output current adjust as determined by V Apushbutton 3 Over v...

Page 29: ...elected by pressing the pushbutton consecutively Adjustment is made by rotating theAdjust knob Makes selection between Over voltage or Under voltage adjust mode Adjustment is made by rotating the Adjust knob Main function Selects the address for remote control The adjustment is made by rotating theAdjust knob Auxiliary function HoldingADDR pressed for approx 3sec changes the function to Baud rate ...

Page 30: ...SC 1 5 3 M PE Phoenix Par 4 3 TURN ON CHECKOUT PROCEDURE 4 3 1 General 4 3 2 Prior to operation 4 3 3 Constant Voltage check The following procedure ensures that the power supply is operational and may be used as a basic incoming inspection check Check that the Rear panel external control receptacle is properly inserted into the connector and the wires are connected as shown in Fig 3 6 Connect the...

Page 31: ...he supply s voltage rating Adjust the output voltage toward it s minimum and check that the output voltage cannot be decreased below the UVPsetting Set the load current to 50 of the supply rating Momentarily press FOLD pushbutton and check that the FOLD LED illuminates Increase the load current toward the supply current rating Check that the output voltage and current fall to zero when the load cu...

Page 32: ...lue Rotate the ADJUST knob to set the output current At this mode approx 6 turns are required to adjust the entire range Approx 3sec after the adjustment the display returns to show the actual voltage and current 4 4 3 Constant Current Operation NOTE NOTE 4 For fine adjustment of output voltage press V Aconsecutively until the V LED illuminates and the VOLTS display shows SL_V TheAMPS display will...

Page 33: ...ection setting value Rotate theADJUSTknob to set the over voltage protection level Approx 3sec after the adjustment the display returns to show the actual voltage and current 4 In order to see the value of the OVP press OVP UVPpushbutton so that the OVPLED illuminates At this time the display will show the OVPset value for approx 3sec 5 The minimum over voltage level is approx 105 of the output vo...

Page 34: ...rox 3sec on FOLD pushbutton will disable the Foldback protection circuit and enable the output The power supply will restore operation to Constant Voltage or Constant Current mode depending on the load characteristics and power supply setting 1 Rear panel ON OFF Control 2 Front panel ON OFF Control Contacts 9 10 at the rear panel External Control connector fig 4 2 item 4 serve as ON OFF terminals ...

Page 35: ...pprox 3sec the display will continuously cycle between AS ON auto start on and AS OFF auto start off approx every 3sec Releasing the OUT pushbutton whileAS OFF is displayed will set the power supply to safe start mode At startup the output is disabled and the output voltage and current are zero To enable the output and restore the last output voltage and current values OUTpushbutton should be mome...

Page 36: ...d 4Kohm NOTE Resistive programming is possible for local and remote sensing Fig 4 5 Constant voltage resistive programming 2 2 LS LS S S LS LS S S On Off On Off 0 4K programming resistor 0 4K programming resistor Optional sets lower limit Optional sets lower limit Optional sets upper limit Optional sets upper limit External control connector ZUP rear panel view External control connector ZUP rear ...

Page 37: ...gramming source is less than 2uA The source resistance should be less than 10Kohm to avoid degradation of offset and drift specifications Note Full scale is 105 of the rated output current The Com pin at the external control connector is connected to the Sense potential NEVER connect the Com pin pin10 to any potential as it may damage the power supply Avoid connection of resistors greater than 4ko...

Page 38: ...SUPPLY _ LS LS S S 2 2 14 14 1 1 13 13 LS LS S S On Off On Off COM COM P P VRFV VRFV VCVP VCVP VRFI VRFI VCCP VCCP RCVP RCVP To other slaves RCCP RCCP NOTE With local sensing it is important to minimize the wire length and resistance Also the wires resistance should be as close as possible to achieve current balance between power supplies 1 Up to five units of the same rating can be connected in a...

Page 39: ...WER SUPPLY SLAVE POWER SUPPLY SLAVE POWER SUPPLY _ _ LS LS S S LS LS S S On Off On Off COM COM P P VRFV VRFV VCVP VCVP VRFI VRFI VCCP VCCP RCVP RCVP To other slaves RCCP RCCP S S S S LS LS S S LS LS S S On Off On Off COM COM P P VRFV VRFV VCVP VCVP VRFI VRFI VCCP VCCP RCVP RCVP To other slaves RCCP RCCP Output Good Output Good Output Good Output Good 2 2 2 2 14 14 14 14 1 1 1 1 13 13 13 13 ...

Page 40: ...utput to prevent reverse voltage during start up condition or in case one of the units shuts down Each diode should be rated to at least the power supply s output current Refer to Fig 4 12 and 4 13 for this operating mode 2 2 Remote programming at series operation for increased output voltage 1 Programming by external voltage The analog programming circuits of the ZUPpower supply are referenced to...

Page 41: ...eries connection for bipolar output S S LS LS LS LS S S LOAD COM POWER SUPPLY POWER SUPPLY _ _ _ 3 2 Remote programming at series operation for bipolar output voltage 1 Programming by external voltage The analog programming circuits of the ZUPpower supply are referenced to the Sense potential Therefore the circuits used to control each unit must be separated and floated from each other 2 Programmi...

Page 42: ... structure in multiple supply systems It is possible to define a hierarchy in multiple supply systems by enabling any N 1 unit by the Output Good signal of the N unit In this structure failure of the N unit will cause all the following units to be disabled Refer to Fig 4 16 for typical connections diagram CAUTION The Output Good Signal is referenced to the COM potential therefore pay attention NOT...

Page 43: ...S232 release the REM pushbutton while rs232 is displayed To select RS485 release the REM pushbutton while rs485 is displayed 4 Approx 3sec after releasing the REM the display returns to show the actual voltage and current Six optional rates are possible 300 600 1200 2400 4800 9600 To select the desired rate the following steps should be taken The power supply should be at Local operation mode duri...

Page 44: ...d OUT jacks are used to connect the units in a RS232 or RS458 chain to a controller The data format isASCII 8 bits character no parity bit one stop bit The baud rate can be selected to one of the 6 possible rates between 300 and 9600bps refer to par 5 2 3 Rrefer to par 5 6 for detailed explanation Up to 31 ZUPunits can be connected to the RS232 control as shown in Fig 5 1 Fig 5 2 Rear panel connec...

Page 45: ...Linking power supplies ZUP NC405 ZUP W Fig 5 3 RS232 cable with DB 25 female connector P N NC403 Fig 5 4 RS232 cable with DB 9 female connector P N NC401 Fig 5 5 ZUPunits linking cable P N ZUP NC405 ZUP W EIA TIA 568A SHIELDED CONNECTORS 5 2 4 6 8 5 2 4 6 8 PIN NO HOUSING HOUSING PIN NO NAME NAME SHIELD SG TXD TXD RXD RXD SHIELD SG TXD TXD RXD RXD 8 PIN CONNECTOR IN 8 PIN CONNECTOR OUT REMARKS 2 3...

Page 46: ... Power supplies are linked in the same way as described in par 5 3 4 The ZUPcommand set is divided into four categories as follows 1 Initialization Control 2 ID Control 3 Output Control 4 Status Control The commands structure syntax and registers definition are described in this paragraph as listed above 5 4 REMOTE PROGRAMMING VIA RS485 5 4 1 Introduction 5 4 3 Linking power supplies 5 5 ZUP SERIE...

Page 47: ...ter Sets the power supply address ADR is followed by the address which can be 01 to 31 Sets the power supply to local or remote mode This command is active when the unit is either in Local or Remote modes Transition from Local to Remote mode is made via the front panel only RMT0 Transition from Remote to Local mode RMT1 Transition from latched Remote to non latched Remote RMT2 Latched remote Trans...

Page 48: ...20 XY 00 00 000 00 60 00 120 00 4 CURn 3 VOL Sets the output current in Ampers This programmed current is the actual output current at constant current mode or the current limit at constant voltage mode The programming range is shown in table 5 2 Use all digits for current programming Returns the string Actual Voltage followed by the actual output voltage The actual voltage range is the same as th...

Page 49: ...se the foldback protection FLD2 Cancel the foldback protection When the foldback protection is activated FLD0 will release the protection and re arm it while FLD2 will cancel the protection If the protection has not been activated both commands are the same Returns followed by the Foldback protection status FD1 Foldback is armed FD0 Foldback is released FD 11 OVPn 12 OVP Sets the over voltage prot...

Page 50: ...he power supply s normal operation In addition to the normal operation data the register holds an alarm bit which indicates that one of the alarm fault register bits is set The register is automatically updated and reading it does not change it s content Clearing the register is done by DCL command See table 5 5 for Operational Status Register content Note 1 In case ofAC fail the alarm status regi...

Page 51: ...and 3 Error Codes Register The error codes register records errors that occurred during the programming of the power supply Any set bit in this register causes the prog bit in the alarm status register to be set Reading the register does not change it s content The register is cleared by DCL command Notes 1 Since at eachAC turn off theAC fail bit is generated and stored it is recommended to send a...

Page 52: ... Series is 15mSec It is not recommended to send strings of commands to the ZUPpower supply without considering the processing time For query commands wait until the ZUP reply message has been completed before sending a new command The default condition of the ZUP series is Listen mode In order to access a ZUP unit for sending a command or query the address of that unit should be sent by the host c...

Page 53: ...es in the program File Properties Setting ASCII Set Up select Echo characters locally Press for capital letters Connect ZUPPower Supply to the PC using RS232 cable NC401 or NC403 Set via the front panel Baud Rate 9600 RS232 RS485 to RS232 address 01 Set Rem Local to Rem Rem LED illuminates Model identification test PC write ZUPresponse Command test PC write for n refer 5 5 3 The ZUP output should ...

Page 54: ...ted in power supply address 20 5 7 SERVICE REQUEST 5 7 1 Service Request SRQ 5 7 2 Service Request message 5 7 3 Service request enable disable commands 49 Command Description 1 SRVn Enable or disable OVP service request SRV1 Enable OVP service request SRV0 Disable OVP service request 2 SRV Returns QV followed by the OVP service request status QV1 OVP service request enabled QV0 OVP service reques...

Page 55: ...tment or calibration are required Units that are returned for service will be calibrated at the service facility There is NO REASON to open the ZUPcover As repairs are made only by the manufacturer of authorized service facilities no part replacement information will be discussed here In case of failure unusual or erratic operation of the unit contact a Nemic Lambda sales or service facility neare...

Page 56: ...tage error code external resistor external voltage grounding humidity Hyper Terminal jacks front panel under voltage volts display multiple loads maintenance parallel operation parity ID control initialization TXD TX RS232 wire size wrong command foldback fuse display calibration communication constant current constant voltage cooling cv indicator cc indicator 6 46 6 24 26 38 50 46 23 33 30 38 36 ...