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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

Actual output current display at normal operation. While
adjusting the output current, the set value will be shown.
The display will automatically return to show the actual
current approx. 3sec from completion of adjustment.

Actual output voltage display at normal operation. The
measurement circuits monitor the voltage at the sensing
points, hence at remote sensing where there is voltage
drop on the load wires, the voltage at the power supply
output terminals will be higher than the displayed value.
Attention should be taken not to exceed the output power
rating. While adjusting the output voltage, the set value will
be shown. The display will automatically return to show the
actual voltage approx. 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/A pushbutton
2. Output current adjust - as determined by V/A pushbutton
3. Over voltage protection adjust - as determined by

OVP/UVP pushbutton

4. Under voltage soft limit adjust-as determined

by OVP/UVP pushbutton

5. Address selection

ALM indicates alarm caused by activation of one of the
following protections:
* Over voltage protection
* Over temperature protection
* Foldback protection

Main function: Enable or disable the power supply output.
Auxiliary function: Press and hold OUT pushbutton for
approx. 3sec to change function to select between safe
mode restart and automatic restart.

Main function: Select between local or remote operation.
Auxiliary function: Press and hold REM pushbutton for
approx. 3sec to change function to select between RS232
or RS485 communication.

Pressing FOLD pushbutton arms foldback protection
which shuts down output if supply transits from CV to CC.

Par.

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Содержание ZUP10-20

Страница 1: ...ERO 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 ...

Страница 2: ... of the Low Voltage Directive 73 23 EEC and the EMC directive 89 336 EEC for Electrical Equipment used in Measurement Control and Laboratory environments and carries the CE mark accordingly Our importer to the EU is Coutant Lambda Limited located at Kingsley Avenue Ilfracombe Devon EX34 8ES UK Further all products covered by this declaration are manufactured by processes which ensure continued com...

Страница 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...

Страница 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...

Страница 5: ...Service Request 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 CHAPTER 6 Maintenance USER S MANUAL INDEX pg 45 pg 42 pg 46 pg 43 pg 47 pg 49 pg 48 pg 50 5 7 1 Service Request SRQ 5 7 2 Service Request message 5 7 3 Service Request enable disable commands TABLE OF CONTENTS ZUP SERIES 5 3 Remote prog...

Страница 6: ...r 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 buye...

Страница 7: ...ctrical 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 ma...

Страница 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 commercia...

Страница 9: ... tapping screws supplied with the unit Refer to Fig 1 1 for details Fig 1 1 Terminals cover assembly REAR PANEL LOAD WIRES PLASTIC COVER WARNING Hazardous voltages may exist at the output terminals of the 60V models Attach the terminals cover supplied with the unit to the chassis after connecting the load wires as described below SAFETY INSTRUCTIONS 4 ...

Страница 10: ...uilt in RS232 or RS485 communication port in the power supply In a GPIB system the GP485 controller can control up to 31 ZUP units in a single GPIB address Output connections are made to rear panel bus bars 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 exce...

Страница 11: ...Use the cable only with plug approved by the national safety standards of the country of usage 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 drawing par 3 12 for details ORDER No DESCRIPTION ZUP L 20A Front Panel Ou...

Страница 12: ...30 minute warm up 50mS From zero volts to full scale resistive load current setting at max 50 100 5 6 2 7 74 77 15 15 15 15 15 ZUP60 3 5 0 3 5 5 2 9 1 4 75 79 0 6 7 5 2 9 1 4 76 80 0 10 15 2 9 1 4 74 78 0 20 25 2 9 1 4 73 77 0 33 198 396 200 400 200 400 216 432 210 420 50 3 0 1 5 69 72 15 30 15 30 15 30 15 30 15 30 ZUP36 12 ZUP36 6 ZUP20 20 ZUP20 10 ZUP10 40 ZUP10 20 ZUP6 66 250 0 7 5 1 350 0 13 0...

Страница 13: ... SCREWS CONDUCTED EMI RADIATED EMI SERIAL OPERATION PARALLEL OPERATION COOLING WITHSTAND VOLTAGE ISOLATION RESISTANCE ZUP60 7 3 2 3 2 3 2 3 2 3 2 ZUP60 3 5 2 9 2 9 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...

Страница 14: ...voltage following 30 minute warm up O 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 20...

Страница 15: ...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 O EN55022 B FCC B VCCI 2 Forced air by blower fan blower fan is mounted within unit EN55022 A FCC A VCCI 1 Input Chassis 2 0kVAC...

Страница 16: ...s are listed below 1 EVALUATIONDATA Typicalperformance of the power supply 2 RELIABILITY DATA Reliability performance of the power supply 3 IEC 1000 DATA Performance of the power supply under IEC 1000 test conditions 4 EMI DATA TypicalEMI conducted and radiated performance of the power supply The supplemental characteristics data are held in each Nemic Lambda sales and service facility For further...

Страница 17: ...ge 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 the AC voltage supplied to the power supply does not fall below low limit specifications This power suppl...

Страница 18: ...before making or changing any rear panel connection Make sure that all connections are securely tightened before applying power 3 7 CONNECTING THE LOAD 3 7 1 Selecting wire size Twofactors must be considered in selecting wire size 1 Wires should be at least heavy enough to avoid overheating while carrying the power supply load current at the rated load or the current that would flow in the event t...

Страница 19: ... 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 ...

Страница 20: ...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 regulation requirement Fig 3 2 Remote S...

Страница 21: ...nded to ground the output terminal as close as possible to the power supply output Always use two wires to connect the load to the 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 Fig 3 4 Multiple load connections w...

Страница 22: ...ontrol 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 co...

Страница 23: ...rnal 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 por...

Страница 24: ... 5 0 5 _ _ 350 0 1 _ 290 0 1 _ 1 _ 124 0 131 0 48 0 11 0 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 M6 or 1 4 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 Rubber Bumpers 4 places marked B removable 10 6 B B B B ...

Страница 25: ...DLE 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 A...

Страница 26: ...P800W series 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 _ 21 ...

Страница 27: ...rious 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 22 13 12 11 10 3 5 6 4 7 8 9 1 2 ...

Страница 28: ...c 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 A pushbutton 2 Output current adjust as determined by V A pushbutton 3 Over vol...

Страница 29: ...he pushbutton consecutively Adjustment is made by rotating the Adjust 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 the Adjust knob Auxiliary function Holding ADDR pressed for approx 3sec changes the function to Baud rate selection Par Fig ...

Страница 30: ...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 unit to an AC source as described in paragraph 3 6 Connect...

Страница 31: ...supply s voltage rating Adjust the output voltage toward it s minimum and check that the output voltage cannot be decreased below the UVP setting 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 curr...

Страница 32: ...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 A consecutively until the V LED illuminates and the VOLTSdisplay shows SL_V The AMPS display will sh...

Страница 33: ...value Rotate the ADJUST knob 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 UVP pushbutton so that the OVP LED illuminates At this time the display will show the OVP set value for approx 3sec 5 The minimum over voltage level is approx 105 of the output voltage set ...

Страница 34: ... 3sec on FOLD pushbutton will disable the Foldback protection circuit and enable the output The power supply will restore operation to Constant Voltageor 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 Eith...

Страница 35: ...ox 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 while AS 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 Toenable the output and restore the last output voltage and current values OUT pushbutton should be moment...

Страница 36: ...Kohm 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 pan...

Страница 37: ...amming 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 4kohm...

Страница 38: ...UPPLY _ 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 an...

Страница 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 34 ...

Страница 40: ...put 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 ZUP power supply are referenced to ...

Страница 41: ...ies 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 ZUP power supply are referenced to the Sense potential Therefore the circuits used to control each unit must be separated and floated from each other 2 Programmin...

Страница 42: ...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 to short it to another potential as it may ...

Страница 43: ...RS232 release the REM pushbutton while rs232 is displayed Toselect 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...

Страница 44: ...nation Up to 31 ZUP units can be connected to the RS232 control as shown in Fig 5 1 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 TX RS232 NC SG SG OUT Fig 5 1 Linking ZUP units with RS232 control Fig 5 2 Rear panel connector pinout ZUP rear panel view 8 7 6 ...

Страница 45: ... NC403 NC401 5 3 4 Linking power supplies NC405 Fig 5 3 RS232 cable with DB 25 connector NC403 Fig 5 4 RS232 cable with DB 9 connector NC401 Fig 5 5 ZUP units linking cable 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 5 7 3 5 PIN NO HOUSING HOUSING ...

Страница 46: ...r supplies are linked in the same way as described in par 5 3 4 The ZUP command set is divided into four categories as follows 1 ID Control 2 Initialization 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 SERIES CO...

Страница 47: ... 0 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 Transitionfrom Remote to Local mode RMT1 Transitionfrom latched Remote to non latched Remote RMT2 Latched remote Transiti...

Страница 48: ...8 500 Example CUR3 000 CUR07 50 60 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 AV followed by the actual output voltage The actual voltage range is the same as the prog...

Страница 49: ...n FLD0 Release 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 ...

Страница 50: ...eration 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 of AC fail the alarm status register AC fail bit will be s...

Страница 51: ...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 scontent The register is cleared by DCL command Notes 1 Since at each AC turn offthe AC fail bit is generated and stored it is recommended to send a DCL c...

Страница 52: ... average command processing time of the ZUP Series is 15mSec It is not recommended to send strings of commands to the ZUP power 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 addre...

Страница 53: ...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 48 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...

Страница 54: ...No internal adjustment or calibration are required Units that are returned for service will be calibrated at the service facility There is NO REASON to open the ZUP cover 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 serv...

Страница 55: ... 39 40 41 48 S multiple loads 15 16 M maintenance 49 ac cables ac fail accessories address adjustment alarm status amps display auto parallel automatic start baud rate bipolar voltage buffer overflow error code external resistor external voltage grounding humidity under voltage volts display TXD TX RS232 wire size wrong command foldback fuse display calibration communication constant current const...

Страница 56: ...gashi gotanda Shinagawa ku Tokyo Japan 141 0022 TEL 81 3 3447 4411 FAX 81 3 3447 7784 http www densei lambda com China Densei Lambda K K Beijing Office Room B1911 Hui Bin Offices No 8 Beichen Dong Str Chaoyang District Beijing 100101 China TEL 86 10 6499 3441 FAX 86 10 6499 3507 Korea Densei Lambda K K Korea Branch 6F Sungok Bldg 4 1 Soonae Dong Boondang Gu Sungnam Shi Kyonggi Do Korea TEL 82 2 55...

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