Gw-instek PSU-Series User Manual User Manual

Programmable DC Power Supply PSU Series USER MANUAL GW INSTEK PART NO. 82SU-60250EA1 ISO-9001 CERTIFIED MANUFACTURER

PSU Series User Manual 10 PSU Series Overview Series lineup The PSU series consists of 5 models, covering a number of different current, voltag

PSU Series User Manual 100 V-I Mode Selects High Speed Priority or Slew Rate Priority for CV or CC mode. The voltage or current slew rate can only

CONFIGURATION 101 Falling Current Slew Rate Sets the falling current slew rate. Only applicable if V-I Mode is set to CC Slew Rate Priority. F-07 0.

PSU Series User Manual 102 F-14 0 = OFF 1 = ON Display Memory Parameter Displays which memory setting is recalled (M1, M2 or M3) when recalling a

CONFIGURATION 103 Show Rear Panel USB Status Displays the rear panel USB-B port state. This setting is not configurable. F-21 0 = None, 1 = Linking

PSU Series User Manual 104 DHCP Turns DHCP on or off. F-37 0 = OFF, 1 = ON IP Address-1~4 Sets the default IP address. IP address 1~4 splits th

CONFIGURATION 105 UART Settings UART Mode Sets the UART mode or disables UART. F-70 0 = Disable UART, 1 = RS232, 2 = RS485 UART Baud Rate Sets th

PSU Series User Manual 106 System Settings Factory Default Configuration Returns the PSU to the factory default settings. See page 183 for a list

CONFIGURATION 107 Power On Configuration Settings CV Control Sets the constant voltage (CV) control mode between local and external voltage/resista

PSU Series User Manual 108 F-92 0 = Safe Mode (Always OFF), 1 = Force Mode (Always ON), 2 = Auto Mode (Status before last time Power OFF) Master

CONFIGURATION 109 Special Function Special Function The special function setting is used to access calibration, firmware updates and other specia

GETTING STARTED 11 Main Features Performance  High power density: 1500W in 1U  Universal input voltage 85~265Vac, continuous operation.  Outp

PSU Series User Manual 110 VOLTAGE CURRENTVSR LAN RMT ERR DLY ALM ISR M 1 M 2 M 3 RUNC V C CV A 3. Rotate the Voltage knob to change the F setti

CONFIGURATION 111 Setting Power On Configuration Settings Background The Power On Configuration settings can only be changed during power up to pre

PSU Series User Manual 112 Press the Voltage knob to save the configuration setting. ConF will be displayed when it is configuring. Voltage VOL

ANALOG CONTROL 113 ANALOG CONTROL The Analog Control chapter describes how to control the voltage or current output using an external voltage or res

PSU Series User Manual 114 Analog Remote Control Overview The PSU power supply series have a number of analog control options. The Analog Control

ANALOG CONTROL 115 Analog Control Connector Overview Overview The Analog Control Connector is a 25 pin connector that can be used with the ARC (ana

PSU Series User Manual 116 Alarm Clear 10 Alarm clear line. Alarms are cleared when a low level TTL signal is applied. A COM 11 This is the common

ANALOG CONTROL 117 EXT-V/R CC CONT 21 This line uses an external voltage or resistance to control the output current. External voltage control (F-91

PSU Series User Manual 118 External Voltage Control of Voltage Output Background External voltage control of the voltage output is accomplished u

ANALOG CONTROL 119 Connection- alt. shielding If the wire shield needs to be grounded at the voltage source (EXT-V), then the shield cannot also be

PSU Series User Manual 12 Accessories Before using the PSU power supply unit, check the package contents to make sure all the standard accessorie

PSU Series User Manual 120 Note The input impedance for external voltage control is 1MΩ. Use a stable voltage supply for the external voltage cont

ANALOG CONTROL 121 External Voltage Control of Current Output Background External voltage control of the current output is accomplished using the a

PSU Series User Manual 122 Connection- alt. shielding If the wire shield needs to be grounded at the voltage source (EXT-V), then the shield canno

ANALOG CONTROL 123 Note The input impedance for external voltage control is 1MΩ. Use a stable voltage supply for the external voltage control. Note

PSU Series User Manual 124 Falling: For 10kΩ~0kΩ: Output voltage = full scale voltage × ([10-external resistance]/10) For 5kΩ~0kΩ: Output voltage

ANALOG CONTROL 125  Be sure to cycle the power after the power on configuration has been set. 3. Press the Function key and confirm the new co

PSU Series User Manual 126 5kΩ~0kΩ/10kΩ~0kΩ. Rising: For 0kΩ~10kΩ: Output current = full scale current × (external resistance/10) For 0kΩ~5kΩ: O

ANALOG CONTROL 127 Steps 1. Connect the external resistance according to the connection diagrams above. 2. Set the F-91 (CC Control) configuratio

PSU Series User Manual 128 External Control of Output Background The output can be turned on or off externally using a switch. The analog control

ANALOG CONTROL 129 Set F-94 (External output logic) in the power on configuration settings to 0 (High = On) or 1 (Low = On) and set F-98 (External

GETTING STARTED 13 Optional Accessories Part number Description PSU-01C Cable for 2 units of PSU-Series in parallel mode connection PSU-01B Bus Ba

PSU Series User Manual 130 Note Messages: If F-94 = 0 (High = on) and pin 19 is low (0) “MSG 001” will be displayed on the display. If F-94 = 1

ANALOG CONTROL 131 External control of Shutdown Background The output of the power supplies can be configured to shut down via an external switch.

PSU Series User Manual 132 Note When using a switch over long distances, please use a switch relay to extend the line from the coil side of the r

ANALOG CONTROL 133 Remote Monitoring The PSU power supplies have remote monitoring support for current and voltage output. They also support monitor

PSU Series User Manual 134 Set F-96 (Monitor Voltage Select) in the power on configuration settings to 0 (5V) or 1 (10V).  Be sure to cycle th

ANALOG CONTROL 135 Note Maximum current is 5mA. Ensure the sensing circuit has an input impedance greater than 1MΩ. The monitor outputs are strictl

PSU Series User Manual 136 External Operation and Status Monitoring Background The analog control connector can also be used to monitor the statu

ANALOG CONTROL 137 Timing diagrams Below are 4 example timing diagrams covering a number of scenarios. Note that pins 14~16 are all active low. CV M

PSU Series User Manual 138 CC MODE: Output turned on The diagram below shows the timing diagram when the output is turned on when the PSU is set t

ANALOG CONTROL 139 External Trigger In/Out Background Pin 4 is used for the external trigger input and pin 17 is used as the trigger output. Pin 5

PSU Series User Manual 14 Appearance PSU Series Front Panel Lock/Local PROT Function Test Set OutputUnlock ALM_CLR M 1 M 2 M 3Shift: Long PushVSR

PSU Series User Manual 140 Isolated Analog Control Option The PSU power supplies can use the isolated analog connector for external control and re

ANALOG CONTROL 141 Isolated Analog Control Option Specifications 0~5V / 0~10V Option (PSU-ISO-V) External voltage control output voltage % Accurac

PSU Series User Manual 142 Isolated Analog Control Option Overview Overview The Isolated Analog Connectors are 8 pin sockets that are optically i

ANALOG CONTROL 143 Isolated External Voltage Control of Voltage Output Background Voltage control of the voltage output uses the isolated voltage o

PSU Series User Manual 144 Connection- alt. shielding If the wire shield needs to be grounded at the voltage source (EXT-V), then it can be connec

ANALOG CONTROL 145 5. Press the Output key. The voltage can now be controlled with the isolated external voltage control. Output Note The input im

PSU Series User Manual 146 Isolated External Voltage Control of Current Output Background Voltage control of the current output uses the isolated

ANALOG CONTROL 147 Connection- alt. shielding If the wire shield needs to be grounded at the voltage source (EXT-V), then it can be connected as sho

PSU Series User Manual 148 5. Press the Output key. The current can now be controlled with the isolated external voltage control. Output Note Th

ANALOG CONTROL 149 Connection When connecting the external current source to the isolated analog option, use shielded or twisted paired wiring. PSUE

GETTING STARTED 15 6. Lock/Local Button Lock/LocalUnlock Used to lock all front panel buttons other than the Output Button or it switches to local m

PSU Series User Manual 150 2. Set the F-90 power on configuration setting to 4 (Control by Isolated Board). Page 111 3. Set the F-97 power on

ANALOG CONTROL 151 Isolated External Current Control of Current Output Background Current control of the current output uses the isolated current o

PSU Series User Manual 152 Connection- alt. shielding If the wire shield needs to be grounded at the current source (EXT-I) , then it can be conne

ANALOG CONTROL 153 Note Use a stable current source for the external current control. Note CV and CC Slew Rate Priority are disabled for V-I mode (

PSU Series User Manual 154 VMON Connection PSUDMMIsolated Voltage or Current Option56Output TerminalV MON0→10V or 0→5Vor4mA→ 20mA  Pin6 (+VMON_

ANALOG CONTROL 155 4. Press the Function key and confirm the new configuration settings (F-96=0 or 1). Function 5. The current or voltage output

PSU Series User Manual 156 COMMUNICATION INTERFACE This chapter describes basic configuration of IEEE488.2 based remote control. For a command lis

COMMUNICATION INTERFACE 157 Interface Configuration USB Remote Interface Configuration USB Configuration PC side connector Type A, host PSU side co

PSU Series User Manual 158 Function Check Functionality check Invoke a terminal application such as Realterm. To check the COM port No., see the

COMMUNICATION INTERFACE 159 GPIB Remote Interface Configuration To use GPIB, the optional GPIB option (GW Instek part number: PSU-GPIB) must be inst

PSU Series User Manual 16 11. Shift Button Shift Used to enable the functions that are written in blue characters below certain buttons. 12. Outpu

PSU Series User Manual 160 7. The RMT indicator will turn on when a remote connection has been established. RMT indicatorAVVOLTAGE CURRENTVSR LA

COMMUNICATION INTERFACE 161 Functionality check 1. Start the NI Measurement and Automation Explorer (MAX) program. Using Windows, press: Start>

PSU Series User Manual 162 4. Select the device (GPIB address of PSU) that now appears in the System>Devices and Interfaces > GPIB-USB-HS

COMMUNICATION INTERFACE 163 check box is checked, and the terminal character is \n (Value: xA). 11. Click Apply Changes. 10911 12. Click on Input/

PSU Series User Manual 164 1213151416 Note For further details, please see the programming manual, available on the GW Instek web site @ www.gwi

COMMUNICATION INTERFACE 165 PSU-485 RS485 cable with DB9 connector DB-9 Connector Remote IN Port Remarks Pin No. Name Pin No. Name Housing Shield H

PSU Series User Manual 166 F-76 = 00~31 UART address if TDK is selected for F-75. 3. The RMT indicator will turn on when a remote connection ha

COMMUNICATION INTERFACE 167 UART Function Check Functionality check Invoke a terminal application such as Realterm. To check the COM port No, see

PSU Series User Manual 168 Multiple Unit Connection Using Local RS485 Bus The PSU power supplies can have up to 31 units daisy-chained together us

COMMUNICATION INTERFACE 169 4. Terminate the OUT port of the last unit with the end terminal connector included in the PSU-232 or PSU-485 connecti

GETTING STARTED 17 PSU Series Display and Operation Panel VSR LAN RMT ERR DLY ALM ISR M 1 M 2 M 3 RUNC CAC VVVOLTAGE CURRENTDisplay Area14 1516 1718

PSU Series User Manual 170 F-76 = 00~31 Set the address of each slave to a unique address identifier 7. Multiple units can now be operated at

COMMUNICATION INTERFACE 171 Run this query command via the terminal application after the instruments have been configured for multi-unit control. S

PSU Series User Manual 172 Configure Ethernet Connection The Ethernet interface can be configured for a number of different applications. Ethernet

COMMUNICATION INTERFACE 173 2. Press the Function key to enter the Normal configuration settings. Page 109 Set the following LAN settings: F-3

PSU Series User Manual 174 F-42 = DDD IP Address part 4 of 4 http:// AAA.BBB.CCC.DDD The web browser interface appears. The web browser inte

COMMUNICATION INTERFACE 175 Sockets Server Configuration Configuration This configuration example will configure the PSU socket server. The follow

PSU Series User Manual 176 Socket Server Function Check Background To test the socket server functionality, National Instruments Measurement and

COMMUNICATION INTERFACE 177 23 4. Select Manual Entry of Raw Socket from the popup window. 4 5. Enter the IP address and the port number of t

PSU Series User Manual 178 6578 9. Next configure the Alias (name) of the PSU connection. In this example the Alias is: PSU_DC1 10. Click fini

COMMUNICATION INTERFACE 179 1112 13. Click the Configuration icon, 14. Click on I/O Settings. 15. Make sure the Enable Termination Character check

PSU Series User Manual 18 24. ISR LED Lights up when CC Slew Rate Priority is enabled. 25. M1 LED Lights in green when the memory value are being

PSU Series User Manual 180 20. The *IDN? query will return the Manufacturer, model name, serial number and firmware version in the dialog box. G

FAQ 181 FAQ • How often should the power supply be calibrated? • The OVP voltage is triggered earlier than expected. • Can I combine more than 1 c

PSU Series User Manual 182 The accuracy does not match the specification. Make sure the device is powered On for at least 30 minutes, within +20°

APPENDIX 183 APPENDIX PSU Factory Default Settings The following default settings are the factory configuration settings for the power supply. For

PSU Series User Manual 184 Auto Calibration Parallel Control F-16 0 = Disable Measurement Average Setting F-17 0 = Low Alarm Recovery and Output S

APPENDIX 185 Error Messages & Messages The following error messages or messages may appear on the PSU screen during operation. Error Messages

PSU Series User Manual 186 LED ASCII Table Character Set Use the following table to read the LED display messages. 0 1 2 3 4 5 6 7 8 9 A B C D

APPENDIX 187 PSU Specifications The specifications apply when the PSU is powered on for at least 30 minutes. Output Model PSU 6-200 12.5-120 20-

PSU Series User Manual 188 Constant Current Mode Model PSU 6-200 12.5-120 20-76 40-38 60-25 Line regulation (*3) mA 22 14 9.6 5.8 4.5 Load regu

APPENDIX 189 Analog Programming and Monitoring Model PSU 6-200 12.5-120 20-76 40-38 60-25 External voltage control output voltage Accuracy and l

GETTING STARTED 19 Rear Panel L NAC INPUTDC OUTPUTLANRS485 / 232OUT INANALOG PROGRAMMINGS LS SLSNCREMOTE SENSE100 240V2000VA MAX.AC47 63Hz23

PSU Series User Manual 190 Front Panel Model PSU 6-200 12.5-120 20-76 40-38 60-25 Display, 4 digits Voltage accuracy 0.1% + mV 12 25 40 80 12

APPENDIX 191 Input Characteristics Model PSU 6-200 12.5-120 20-76 40-38 60-25 Norminal input rating 100Vac to 240Vac, 50Hz to 60Hz, single phase

PSU Series User Manual 192 Environment Conditions Model PSU 6-200 12.5-120 20-76 40-38 60-25 Weight main unit only kg Less than 8.7kg Dimensions

APPENDIX 193 PSU Dimensions PSU 6-200, PSU 12.5-120, PSU 20-76, PSU 40-38, PSU 60-25 423.043.656.2447.2501.9Lock/Local PROT Function Test SetOu

PSU Series User Manual 194 Declaration of Conformity We GOOD WILL INSTRUMENT CO., LTD. No. 7-1, Jhongsing Rd, Tucheng Dist., New Taipei City 236,

INDEX 195 INDEX Accessories ... 12 Alarm description ... 27 Analog connector pin ass

PSU Series User Manual 196 Marketing contact ... 182 Messages ... 185 Model

This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied,

PSU Series User Manual 20 5. Remote-IN LANRS 485 / 232 Two different types of cables can be used for RS232 or RS485-based remote control. PSU-232

GETTING STARTED 21 10. Ground Screw Connector for grounding the output (two positions, shown in red). ISOLATED PROGRAMMING4 - 20mAL NAC INPUTDC O

PSU Series User Manual 22 Theory of Operation The theory of operation chapter describes the basic principles of operation, protection modes and im

GETTING STARTED 23 CC and CV Mode CC and CV mode Description When the power supply is operating in constant current mode (CC) a constant current wi

PSU Series User Manual 24 Conversely the power supply will operate in CC mode when the load resistance is less than the critical resistance. In C

GETTING STARTED 25 Slew Rate Theory The PSU has selectable slew rates for CC and CV mode. This gives the PSU power supply the ability to limit the

PSU Series User Manual 26 some time and be potentially hazardous. In addition, bleed resistors also allow for smoother voltage regulation of the p

GETTING STARTED 27 Alarms The PSU power supplies have a number of protection features. When one of the protection alarms are tripped, the ALM icon o

PSU Series User Manual 28 AC AC Fail. This alarm function is activated when a low AC input is detected. FAN FAIL Fan failure. This alarm function

GETTING STARTED 29 Considerations The following situations should be taken into consideration when using the power supply. Inrush current When the

SAFETY INSTRUCTIONS 3 Table of Contents SAFETY INSTRUCTIONS ... 5 GETTING STARTED ...

PSU Series User Manual 30 Reverse Current: Regenerative load When the power supply is connected to a regenerative load such as a transformer or in

GETTING STARTED 31 CAUTION Ensure the reverse withstand voltage of the diode is able to withstand 2 times the rated output voltage of the power sup

PSU Series User Manual 32 Grounding The output terminals of the PSU power supplies are isolated with respect to the protective grounding terminal.

GETTING STARTED 33 Grounded output terminal If the positive or negative terminal is connected to the protective ground terminal, the insulation capa

PSU Series User Manual 34 OPERATION Set Up ... 36 Line Voltage Connecti

OPERATION 35 Test Scripts ... 85 Test Script File Format ...

PSU Series User Manual 36 Set Up Line Voltage Connection Background The PSU power supplies use a universal power input that can be used with 100

OPERATION 37 322-M3x6LPan Head ScrewGND: Green or Green and YellowN: White or BlueL: Black or Brown4 Installation 1. Connect the AC power cord wir

PSU Series User Manual 38 Power Up Steps 1. Connect the power cord to the universal power input. Page 36 2. Press the POWER switch on. 3. T

OPERATION 39 Wire Gauge Considerations Background Before connecting the output terminals to a load, the wire gauge of the cables should be conside

PSU Series User Manual 4 PSU Dimensions ... 193 Declaration of Conformity ... 194 INDEX ...

PSU Series User Manual 40 used, connect the shield to the chassis via the rear panel ground screw. Even if noise is not a concern, the load and re

OPERATION 41 Output Terminals Background Before connecting the output terminals to the load, first consider whether voltage sense will be used, the

PSU Series User Manual 42 5. Connect the positive load cable to the positive output terminal and the negative cable to the negative output termi

OPERATION 43 Using the Output Terminal Cover Steps 1. Partially unscrew the 2 screws beside the terminals. 2. Line-up the notches in the cover w

PSU Series User Manual 44 Using the Rack Mount Kit Background The PSU series are designed to be directly mounted into 19 inch 1U rack mounts. Th

OPERATION 45 How to Use the Instrument Background The PSU power supplies use a novel method of configuring parameter values only using the voltage

PSU Series User Manual 46 Note Notice the Set key becomes illuminated when setting the current or voltage. If the voltage or current knobs are u

OPERATION 47 Reset to Factory Default Settings Background The F-88 configuration setting allows the PSU to be reset back to the factory default set

PSU Series User Manual 48 View System Version and Build Date Background The F-89 configuration setting allows you to view the PSU version number,

OPERATION 49 F-89 0-XX: Version (1/2) 1-XX: Version (2/2) 2-XX: Build On-Year. (1/2) 3-XX: Build On-Year. (2/2) 4-XX: Build On-Month. 5-XX: Build

SAFETY INSTRUCTIONS 5 SAFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage. R

PSU Series User Manual 50 Example Keyboard CPLD Version: 0x030C 6-03: Keyboard CPLD Version. 7-0C: Keyboard CPLD Version. Example Analog CPLD Ver

OPERATION 51 Basic Operation This section describes the basic operations required to operate the power supply.  Setting OVP/OCP/UVL → from page 51

PSU Series User Manual 52 VOLTAGE CURRENTVSR LAN RMT ERR DLY ALM ISR M 1 M 2 M 3 RUNC V C CV A Example: OVP alarm Before setting the protection se

OPERATION 53 2. The OVP protection function will be displayed on the voltage display and the setting will be displayed on the current display. Pr

PSU Series User Manual 54 Set to C.V. Priority Mode When setting the power supply to constant voltage mode, a current limit must also be set to de

OPERATION 55 4. Use the Current knob to set the F-03 setting. Set F-03 to 0 (CV High Speed Priority) or 2 (CV Slew Rate Priority). Current F-0

PSU Series User Manual 56 9. Use the Voltage knob to set the voltage. Voltage Note Notice the Set key becomes illuminated when setting the cur

OPERATION 57 Set to C.C. Priority Mode When setting the power supply to constant current mode, a voltage limit must also be set to determine the cr

PSU Series User Manual 58 4. Use the Current knob to set the F-03 setting. Set F-03 to 1 (CC High Speed Priority) or 3 (CC Slew Rate Priority)

OPERATION 59 9. Use the Current knob to set the current. Current Note Notice the Set key becomes illuminated when setting the current or voltage

PSU Series User Manual 6 Do not dispose electronic equipment as unsorted municipal waste. Please use a separate collection facility or contact th

PSU Series User Manual 60 Panel Lock The panel lock feature prevents settings from being changed accidentally. When activated, the Lock/Local key

OPERATION 61 3. When the setup is saved the unit will beep, the setup will be saved and the memory number will be shown on the display. Saved setu

PSU Series User Manual 62 Voltage Sense The PSU power supplies can be operated using local or remote voltage sense. By default the PSU ships confi

OPERATION 63 Remote Sense Cover WARNING Ensure the output is off before handling the remote sense connector. Use sense cables with a voltage ratin

PSU Series User Manual 64 Local Sense When using local sense, the sensing terminals are connected to the local sense terminals (via the local sens

OPERATION 65 the isolation voltage of the power supply. Never connect sensing cables when the output is on. Electric shock or damage to the power su

PSU Series User Manual 66 OutputS+S-PSU #2OutputOutputS+S-PSU #1OutputLoadInputInput Page 62 2. Operate the instrument as normal. See the Paral

OPERATION 67 PSU #2abcdLoadInputInputOutputS+ S- PSU #1OutputOutputS+ S- Output Page 62 2. Operate the instrument as normal. See the Serial Opera

PSU Series User Manual 68 Parallel / Series Operation This section describes the basic operations required to operate the power supply in series o

OPERATION 69 Master-Slave Parallel Overview Background When connecting the PSU power supplies in parallel, up to 4 units can be used in parallel an

SAFETY INSTRUCTIONS 7 Cleaning the PSU  Disconnect the power cord before cleaning.  Use a soft cloth dampened in a solution of mild detergent an

PSU Series User Manual 70 MasterLoadExt-VExt-RSlaveVMONIMONSlaveSlaveAnalog Control Connector Limitations Display  Only the master unit will di

OPERATION 71 Parallel Calibration  The parallel calibration function can be used to offset cables losses. External Voltage and Resistance Contr

PSU Series User Manual 72 Master-Slave Parallel Connection Analog Control Connection To operate the power supplies in parallel with the analog co

OPERATION 73 12111161314PRL OUT+ 9820191314PRL IN+A COMStatus COM1OUT ON StatusCurrent SUMAlarm StatusPRL IN-A COMOUT ON/OFF CONTCurrent SumAlarm_St

PSU Series User Manual 74 Example with negative terminal connected to ground Slave #1MasterLoadInputInputOutputGroundOutputOutputGroundOutputSlave

OPERATION 75 Master-Slave Parallel Operation Master-Slave Configuration Before using the power supplies in parallel, the master and slave units nee

PSU Series User Manual 76 Note Configuration settings can be checked on both the master and slave units by pressing the Function key and checking

OPERATION 77 Master-Slave Parallel Calibration Master-Slave Configuration The F-16 function setting can be used to calibrate the output of PSU unit

PSU Series User Manual 78 5. On the master unit, set F-16 (Auto Calibration Parallel Control) to 2 to turn on the parallel calibration. Calibrat

OPERATION 79 Master-Slave Series Overview Background When connecting PSU power supplies in series, up to 2 units can be used in series and all unit

PSU Series User Manual 8 Power cord for the United Kingdom When using the power supply in the United Kingdom, make sure the power cord meets the f

PSU Series User Manual 80 OVP/OCP/ULV  OVP, OCP and ULV level for each unit must be set separately.  The OVP and OCP protections are tripped

OPERATION 81 Output Voltage/ Output Current Model Single unit 2 units PSU 6-200 6V 12V 200A 200A PSU 12.5-120 12.5V 25V 120A 120A PSU 20-76

PSU Series User Manual 82 Series Connection to Output Positive and Negative Polarity Unit #2Unit #1LoadInputInputOutputGroundOutputOutputGroundOut

OPERATION 83 Note Ensure load cables have sufficient current capacity. Page 39 Series Operation Series Configuration Before using the power suppli

PSU Series User Manual 84 Series Operation Only operate the power supplies in series if the units are configured correctly. 1. Turn on both unit

OPERATION 85 Test Scripts This section describes how to use the Test function to run, load and save test scripts for automated testing. The Test fun

PSU Series User Manual 86 Test Script File Format Background The test files are saved in *.tst file format. Each file is saved as tXXX.tst, wher

OPERATION 87 Setting the Test Script Settings Steps The test script settings (T-01~T-10) are set with the Test key. 1. Press the Test key. The T

PSU Series User Manual 88 4. Rotate the Current knob to choose a memory number. (Excluding T-05) Current Range 1~10 5. Press the Voltage k

OPERATION 89 2. Turn on the power. MS ON (Mass Storage) will be displayed on the screen after a few seconds if the USB drive is recognized. Conver

GETTING STARTED 9 GETTING STARTED This chapter describes the power supply in a nutshell, including its main features and front / rear panel introduc

PSU Series User Manual 90 2. Configure T-01 (Run Test) to 1~10 (save memory slot no. to run) Page 87 T-01 range 1~10 3. The test script wi

OPERATION 91 2. Turn on the power. MS (Mass Storage) will be displayed on the screen after a few seconds if the USB drive is recognized. VOLTAGE C

PSU Series User Manual 92 2. The test script will be removed from the internal memory. OK will be displayed when completed. Note Error messages

CONFIGURATION 93 CONFIGURATION Configuration Overview ... 94 Configuration Table ...

PSU Series User Manual 94 Configuration Overview Configuration of the PSU power supplies is divided into five different configuration settings: No

CONFIGURATION 95 Falling voltage slew rate F-05 0.001~0.06V/msec (PSU 6-200) 0.001~0.125V/msec (PSU 12.5-120) 0.001~0.2V/msec (PSU 20-76) 0.001~0.4V

PSU Series User Manual 96 Lock Mode F-19 0:Lock Panel, Allow Output OFF 1:Lock Panel, Allow Output ON/OFF USB/GPIB Settings Show front panel USB s

CONFIGURATION 97 Socket Server Enable/Disable F-57 0 = Disable, 1 = Enable Web Server Enable/Disable F-59 0 = Disable, 1 = Enable Web Password Enabl

PSU Series User Manual 98 CC Control F-91 0 = Control by Local 1 = Control by External Voltage 2 = Control by External Resistor - Rising 3 = Co

CONFIGURATION 99 Normal Function Settings Output ON Delay Time Delays turning the output on for a designated amount of time. The Delay indicator w