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Programmable DC Power Supply OPM Series User Manual Manual Part NO. 018OPM-2.0...
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ODA shall not be liable for errors or for incidental or be liable for errors or for incidental or consequential damages in connection with the furnishing, use, or performance of this document or of any information contained herein.
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Failure to comply with these precautions or with specific warnings or instructions elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. ODA Technologies assumes no liability for the customer's failure to comply with these requirements. General...
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Safety Symbol Direct current Alternating current Both direct and alternating current Three phase alternating current Earth (ground) terminal Protective earth ground terminal. Frame or chassis terminal Terminal is at earth potential. Neutral conductor on Line conductor on permanently installed permanently installed equipment. equipment Standby supply.
1. Product Outline 1-1. Product Characteristics ODA Technologies OPM-Dual Output Series is high-precision, high-accuracy Programmable DC Power Supply with SCPI (Standard Commands for Programmable Instruments) Protocol GPIB(IEEE-488 2)와 RS-232C communication and designed to be equipped in 3U*19inch Half-Rack GPIB(IEEE-488.2)와 RS-232C communication, and designed to be equipped in 3U*19inch Half-Rack.
Self Test Characteristics ▌Front Panel Test ▌ADC H/W Error Test ▌Remote Interface Test ▌UnRegulated Condition Test ▌Memory Data Verification Test ▌ADC/DAC Calibration Verification Test ▌Auto Search connected power module 1-2. Accessories & Product Option Accessories ▌One Power Cord ▌Output Cable (+), (-) 2pcs each(Part Number : OE-LW-BCW-2.0) ▌One User's Manual ▌Demo Software &...
1-3. Product Inspection Please check below features after opening box. If a problem occurs please ask service center or main office about A/S Service. Please pack the product fully with box package. Also, check our website Q&A for further information. Equipment Check ▌Check if KEY, Encoder Switch, Power Switch are damaged.
1-5. Check Before Input Power Check Output Terminal ▌Check front & rear output terminal is structured as below. Front Output Terminal Rear Output Terminal <Diagram 1-1> <Diagram 1-2> Short Bar <Diagram 1-3> <Diagram 1-4> Note Please read 26 page for further information of V-Sensing - 9 -...
Check Power Cord ▌Supplied power cord is 3-wire Ground Type. If you like to use separate power cord, please use Ground type. Also, Connect power line Earth and products GND before using the goods. Check AC Input Power Switch ▌The product is designed single phase with AC100V / AC200V ±10% / 50~60Hz. We set AC200V when the good is released, the switch is located at the bottom of the product.
1-6. Check After Input Power When Power Supply is ON, it will start setting & self-testing. Also, it maintains previous Remote Interface Setting. Output voltage is 0V, output current is maximum. (When the product is released, last state setting is disabled). Read Reference "1-2.
1-7. Product Installation Cooling ▌The product is guaranteed in 0˚C ~ 40˚C condition. So please consider the place to use. In area 40˚C ~ 55˚C, reduce output current 0~70%. When it is installed in Rack, please consider about ventilation When it is installed in Rack, please consider about ventilation. Mount Support will solve above problems.
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▌It fast and convenient when user use Power Supply in Rack independently, with support OM-3U19(Option). <Diagram 1-6> ▌It i f ▌It is fast and convenient when user use power supply in Rack Dual with support l i R OM3U19FD(Option). <Diagram 1-7> ▌If user order OM-3U19-SS(Option), will able to use power supply easier.
2. Front Panel, Rear Panel Structure & Function OVP/OCP Setting or Calibration Key Voltage/Current Cursor or Menu Key Memory Setting or Factory Setting Key Memory Setting or Factory Setting Key Voltage/Current Cursor or Menu Key Voltage/Current Cursor or Menu Key I/O CONFIG or LOCAL Key Voltage/Current Value Encoder Switc Output voltage &...
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This key selects P1 and P2 control. By pressing once, the control moves from P1 to P2. If user add power module additionally, it will automatically control the number of channels in OPM Series. 6. Voltage/Current Select or Limit Display Key This key selects voltage or current in Limit Display condition.
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12. Voltage/Current Cursor or Menu change Key If limit setting of voltage/current is changed, the cursor key will be operate to the Left. In Menu condition, this key can be used to change the menu. 13. Voltage/Current Numerical change encoder switch Switch which changes voltage / current numerical.
2-1. Front-Panel Voltage Current Setting Read below description to change Limit Setting Value of Voltage and Current. 1. After power ON, check "P1-OUTPUT OFF" is displayed on VFD. 2. To select output channel, press Key to move on to the channel. 3.
2-2. Display & Condition Indicating LAMP Voltage/Current & Message Display Module If selected output port is Constant Voltage Mode, will be lighted. If selected output port is Constant Current Mode, will be lighted. If selected output port is OVP setting, will be lighted. If selected output port is OCP setting will be lighted If selected output port is OCP setting, will be lighted.
2-3. Rear Panel Structure Fuse Holder Power-line Module AC Inlet GPIB (IEEE-488) Interface Connector RS-232C Interface Connector P1 Output Terminal & Sensing Input Terminal P2 Output Terminal & Sensing Input Terminal Signal Input/Output Terminal 1. Fuse Holder Time Fuse is equipped, which protects the product. Time Fuse is equipped, which protects the product.
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4. RS-232C Interface Connector 1:1 series communication method. RS-232C Interface Connector. Press Key on Front Panel to set-up PC Interface. (Read『3-6. I/O Config & LOCAL』 for more information) 5. P1 Output Terminal & Sensing Input Terminal It is Channel P1 Output Terminal and Sensing Input Terminal. Output +, - Terminal is a connector which supplies power to actual load, S+, S- Terminal is to sense suppling voltage.
2-4. Output Check It is safe to check voltage & current output condition before connecting load. Below are method to check the voltage & current output condition. Voltage Output Check ▌Ch ▌Check the sequence below. k th 1. Input Power ON 2.
3. Operating Front-Panel To escape from any functions or in any condition, press Key. Menu select & check key provides simple and convenience to users. Overview 1. Constant Voltage (CV) Explanation of Constant Voltage Output Mode. 2. Constant Current (CC) Explanation of Constant Current Output Mode Explanation of Constant Current Output Mode.
3-1. Constant Voltage Operating (CV) Operating sequence about P1 output port are below. ▌Power Switch ON After input power ON, check whether "P1 - OUTPUT OFF" is displayed. ▌Connect load with output terminal. ▌Connect load with output terminal. ▌To set-up the limit, press LMT DISPLAY Key. ▌At first it is selected on the voltage, use cursor key and encoder switch to change voltage value.
3-2. Constant Current Operating(CC) It is CC output mode, and sequence are below : ▌Power Switch ON After Power ON Check whether "P1 - OUTPUT OFF" is displayed After Power ON, Check whether P1 - OUTPUT OFF is displayed. ▌Connect load with rear output terminal. ▌To set-up the limit, press LMT DISPLAY Key.
3-3. Remote Voltage Sensing Voltage Regulation will be caused when a load is connected with output terminal of power supp Therefore, for accurate voltage, Remote Voltage Sensing (V-Sensing) could be used. To use V-Sensing, please check below : CV Regulation About the factors of Specification Voltage Load Regulation, please check below.
Stability When using V-sensing with long load lead line and high-capacity load, may cause problem because it is a part of voltage feedback roof as a filter. This may reduce power supply stability and suppling voltage & current will be unstable. This unstable roof can be another feedback which cause another problem in power supply This unstable roof can be another feedback which cause another problem in power supply.
3-4. Connecting OPM-Series Power Module OPM-Series is dual output standard. (Main Controller included & Individual Analog Power Module). Analog Power Module cannot be used individually, needs main controlle Main controller can add Analog Power Module up to 255, in 250KW. These characteristics does not need controller repetitive, and reduces time &...
3-5. Programming OVP OCP / CALIBRATE Function which shut-off output voltage & current when it is higher than set-up value to protect the power supply. It is method to set-up OVP Level below. Value below can be different. Please check "4. CALIBRATION" for more information about Calibrating function. ▌Power Switch ON ▌...
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≫ Related Remote Interface Command INSTrument:[SELect] {OUT1|OUT2| .. |OUT255} [SOURce:]VOLTage:PROTection{<voltage>} [SOURce:]VOLTage:PROTection:STATe {0|1|OFF|ON} Refer: INST OUT1 P1 Controller condition VOLT:PROT 20 OVP Level set-up for P1 VOLT:PROT:STAT ON or, OVP ON for P1 VOLT:PROT:STAT OFF OVP OFF for P1 Note Read reference "1-6. Check after Power ON" "Default Setting Value" for earliest OVP setting When actual output is higher than OVP Level value, "OVP TRIPPED"...
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▌If OVP Trip occurs, "OVP TRIPPED" Message will be displayed. OVP TRIPPED ▌To clear OVP Trip, raise OVP Level first. Press OVP Key twice to set-up OVP Level in OCP Menu. VFD Display Description PROTECTION ▌P ▌Press OVP Key once more in "OVP ON" condition. i "OVP ON"...
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Below is description about OVP Level setting & ON/OFF Setting. OCP is one of protection with OVP, it shut-off over flowing current. Below OCP Level value can be different. ▌Power Switch ON Check "P1 - OUTPUT OFF" is displayed after power ON. ▌To select OCP Menu, press OCP Key and press cursor key once.
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≫ Related Remote Interface Command INSTrument:[SELect] {OUT1|OUT2| .. |OUT255} [SOURce:]CURRent:PROTection{<current>} [SOURce:]CURRent:PROTection:STATe {0|1|OFF|ON} Refer: CURR:PROT 6 OCP Level Setting CURR:PROT:STAT ON or, OCP ON CURR:PROT:STAT OFF CURR PROT STAT OFF OCP Cleared OCP Cleared Note About the default OCP Setting, read reference "1-6. Check after Power ON" "Default Setting Value". When actual output current is higher than OCP Level value, "OCP TRIPPED"...
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▌Second method to clear OCP Trip. To clear OCP, press OCP Key -> Cursor Key -> OCP Key. VFD Display Description ▌Press Left or Right cursor in "OCP ON" condition. VFD Display Description ▌To save changed setting, press OCP Key in "OCP OFF" condition. VFD Display Description CHANGED After displaying above message, it will return to previous page.
3-6. MEMORY(STORE/RECALL) / FACTORY Function which saves power supply current condition in 『User Memory』.『User Memory』 is divided into 10 part, and stores & recall voltage, current, OVP, OCP Level & setting value. Also, There is Factory Mode which enables to change setting of power supply. Parallel &...
RECALL Set-up It is sequence applying by calling 『User Memory』Data. ▌Power Switch ON After Power ON, check whether "P1 - OUTPUT OFF" is displayed. After Power ON, check whether P1 OUTPUT OFF is displayed. ▌To apply saved description, press MEMORY Key. VFD Display Description memory - recall ▌To activate RECALL, press MEMORY Key once more.
3-7. I/O Config & LOCAL I/O Config key enables remote interface, and set-up RS232C & GPIB. Before using PC Interface, product must be set-up first. When it is released with GPIB option, GPIB is selected and the address is 05. If it is RS232C standard, RS232C is selected and Baud Rate is 19200bps.
RS232C Install Set-up ▌RS232C is Fixed as below. Data Bit : Stop Bit : Parity Bit : None ▌RS232C Data Frame Scale Stop Start 8 Data Bits ▌To connect product and PC, Female type standard cross cable is required. Below is explanation if it is all Female type standard cross cable. Check "1-2.
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GPIB Setting Channels can be controlled up to 15 (PC included) and speed of communication is fast which amplifies production. GPIB Setting sequence below. ▌Power Switch ON Check whether "P1 - OUTPUT OFF" is displayed. ▌To set-up GPIB, press I/O CONFIG Key. VFD Display Description VFD Display Description I/O - RS232C...
GPIB Installation Set-Up GPIB connector is 24pin standard, and located at the rear panel of power supply. GPIB is Optional. < Diagram 3-5 > ▌GPIB PC Interface Installation To connect the equipment, cables should be protected and shorter than 2M. Also, total length should not be longer than 20M.
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▌GPIB standard 24pin shield cable Read Accessories to check length of the cable. < Diagram 3-8 > ▌Power supply and test measuring devices can be structured as below diagram. < Diagram 3-9 > - 40 -...
3-8. OUTPUT ON/OFF Function which supply, or shut-off source, with voltage 0V and current 20mA. Therefore, it can shut-off suppling voltage without removing the load. Explanation below : ▌Power Switch ON ▌Power Switch ON After Power ON, check whether "p1 - OUTPUT OFF" is displayed. ▌To allow print voltage and current, press OUTPUT ON/OFF Key once.
3-10. V/I & LMT DISPLAY Key which select voltage or current to set-up the limit. Also, displaying limit value of voltage/current function is included. V/I Function ▌Power Switch ON ▌ After Power ON, check whether "P1 - OUTPUT OFF" is displayed. ▌Press OUTPUT ON/OFF Key to set-up voltage current Limit.
3-11. ERROR Errors found while self-testing, error related to Calibration, SCPI program error will be saved in fixed memory up to 10. Read "7. Error Messages" for more information. ▌ERROR memory is stack structure, and latest error will be accessed. ▌It ▌It will be saved maximum 10, from 11 the first message will be deleted.
3-12. PARALLEL MODE Parallel Mode enables to raise maximum current of the power supply. It adds current value of two channels. If current of one channel is not enough, user can add more current by adding more power module. In Parallel mode, master controller is main controller, and power modules will be operated from master controller commands.
3-13. TRACKING MODE Function which set-up P1 and P2 voltage & current value to be same. By using tracking mode, if user variate selected channel voltage or current value, other channel will follow the channel. Press key to enter Tracking Mode, press once more to canc Below is description which users should percept.
4. CALIBRATION Warning DO NOT use Calibrate function without a technical manager. Calibration should be done > Accurate : In every 180 days in specific period > Proper Operating : In every 365 days There can be functional error because of aging, and circumstances such as humidity around the power supply.
4-3. Performance of Measuring Instrument for Accurate Calibration Use below measuring instrument for power supply specification. Required Performance Recommended Usage Measuring Instrument Resolution: 0.1 mV Digital Voltmeter Digital Voltmeter Agilent 34401A Agilent 34401A Voltage Calibration Voltage Calibration Accuracy: 0.01% Voltage Range: 50 Vdc Current Range: 10 Adc Current Calibration Electronic Load...
Electronic Load ▌Electronic Load should variate Resistor to be used in power supply current calibration. ▌Load should have ON/OFF function, also with short function for the test. ▌While Current Calibration, connect Power supply (+) output terminal with Load (+) termina ▌...
4-5. Calibration Using Front Panel Explanation about manual calibration using Front Panel CALIBRATE Key. CALIBRATE KEY Structure OVP / OCP POWER CHANNEL CALIBRATE VOLT LOW VOLT HIGH VOLT HIGH CURR LOW CURR HIGH CALIBRATE Setting Range ▌Voltage & Current Calibration is divided into LOW range and HIGH range. ▌Below is standard power module model range chart.
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Voltage 0.00V 1.80V 17.70V 19.50V 18.9V OPM-1810 Current 0.00A 1.00A 10.00A 11.00A 10.5A Voltage 0.00V 1.80V 17.70V 19.50V 18.9V OPM-1815 Current 0.00A 1.50A 14.50A 16.20A 15.75A Voltage 0.00V 3.00V 29.00V 32.00V 31.5V OPM-302 Current Current 0.00A 0.00A 0.20A 0.20A 2.00A 2.00A 2.20A 2.20A...
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Voltage CALIBRATION Channel P1 is example. ▌Before calibrating, connect power supply. >Connect Power Supply P1 (+) output terminal with DVM (+), Power Supply P1 (-) output terminal with DVM (-). >To Calibrate P2, connect Power Supply COM output terminal with DVM (+), power supply P2 (-) output terminal with DVM (-).
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▌Input voltage value shown on DVM Meter, using power supply cursor key and encoder switch. For example, if the value is 30.123V, input as below. VFD Display Description V-LOW 30.123V ▌When input is done, press CALIBRATE Key to save the data. VFD Display Description ADC-HI 01FF1C...
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Previous value ▌For Calibration, press CALIBRATE Key. VFD Display Description a-low 0.0603a will be shown ▌Input current value shown on DVM Meter using cursor key and encoder switch. For example, if the value is 154.1mA, input as below. VFD Display Description a-LOW 0.1541a ▌When it is done, press CALIBRATE Key to save the data.
5. FACTORY This product has plenty of system setting functions. 5-1. Characteristics ▌Output ON/OFF can be activated individually, or at once. ▌Output ON/OFF can be activated individually, or at once. ▌It may Enable or Disable Tracking Key. ▌It may Enable or Disable Parallel Key. ▌Recall / Store can be selected individually, or at once.
5-3. OUTPUT MODE ▌Function which control Output ON/OFF individually or at once. ▌It will maintain until set-up is changed. Setting Description ▷ ALL All Channels will be Output ON/OFF. It will control all the channels at once. Ex) CH1 ≒ CH2 ≒ . . . ≒ CH255 ▷...
▷ DISABLE Disables Tracking function. Error will occur when command is received from Remote Controller. For more information about the error, please check “7.Error Messages” Instructions Instructions ▌Power Switch ON while pressing FACTORY Key. ▌When "1. OUTPUT MODE" is displayed, release FACTORY Key. ▌Use cursor key to find menu.
Previous condition ▌To enter Menu, press FACTORY Key. VFD Display Description will be displayed. ▌To store & recall, press cursor key once. VFD Display Description each ▌To save changes description, press FACTORY Key. VFD Display Description done ▌Saved set-up will be applied from next power ON. ▌To make Enable Mode, follow above steps.
5-8. LAST STATE ▌Function which restores condition before power OFF. ▌Restores Voltage, Current, setting value & On/Off condition, Output On/Off condition. ▌After last setting, it takes 10seconds to save in fixed memory. Set-up Description ▷ ENABLE Even the power is OFF, it brings the last setting. ▷...
5-9. ADC SAMPLING ▌ADC is equipped in OPM-Series internally for purpose of obtaining data. ▌If user wants stable data, stats of average is better. ▌ Setting Description ▷ BUFFER It updates average data from buffer. While using remote interface, when it is updated, it also bring previous data Therefore, it is not recommended.
Setting Description ▷ Individual ChanneRestores an individual channel. ▷ All Channel Restores all Power Module. Instructions ▌Power Switch ON while holding FACTORY Key. ▌Release FACTORY Key when "1. OUTPUT MODE" is displayed. ▌Press cursor key to find menu. VFD Display Description 8.
▌To enter menu, press FACTORY Key. VFD Display Description channel p-00 ▌To back-up P2 channel, use encoder switch to change. VFD Display Description channel p-01 ▌To confirm the back-up, press FACTORY Key once. VFD Display Description done ▌It will be ReWrite in the previous description, other data will not be restored ▌Other modes can be used as above method.
5-13. LOAD DEFAULT ▌Function which set-up default value. ▌Once it is activated, previous value will not be restored. Restored Description Restored Description ▷ OUTPUT MODE ▷ TRACK-KEY ENABLE ▷ PARALLEL-KEY ENABLE ▷ RE/STORE ▷ LAST STATE DISABLE ▷ ADC SAMPLING BUFFER Instructions ▌Power Switch ON while pressing FACTORy Key.
6. SCPI Commands User could control using SCPI(Standard Commans for Programmable Instruments) commands. By using GPIB, several power supply & measuring instruments can be connected. It will be adequate users who are using many instruments. 6-1. Commands Syntax ▌Capital/small letters can be skipped. ▌Capital/small letters both can be used.
6-4. Apply Commands Command which controls output voltage and current at the same time using PC Remote Interfac APPLy{<voltage>}[,<current>] This command could control voltage and current at the same time. > Voltage Input Voltage > Voltage Input Voltage > Current Input Current ex1) APPL 30,2 Voltage 30V, Current 2A ex2) APPL 5...
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VOLTage:STEP? Command which check setting Step Value. Return Value "numeric value" ex) volt:step? return value "0.5000" VOLTage:PROTection{<voltage>} Command which set-up OVP Trip Level. > Voltage Input voltage value in OVP setting range. ex) volt:prot 32 OVP Level is 32V. VOLTage:PROTection? Command which checks OVP Trip Level.
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CURRent{<current>|UP|DOWN} Command which set-up output current. Before using UP, DOWN command, use CURRent:STEP command to set-up the range. > Current Input current value > UP Current setting value increase as step value > DOWN Current setting value decrease as step value ex1) curr 1.5 Set-up Current 1.5A ex2) curr up Raise setting step value...
CURRent:PROTection:STAT? Command which checks OCP On,Off condition. Return Value "0" - Off "1" - On ex) curr:prot:stat? return value "1" CURRent:PROTection:TRIPped? Command which checks whether OCP(Over Current Protection) is tripped. Return Value "0" - Normally printing "1" - OCP Tripped ex) curr:prot:trip? return value "1"...
6-7. System Commands Commands about power supply control. SYSTem:BEEPer Command which occurs alarm sound once. ex) syst:beep Alarm Occurs ex) syst beep Alarm Occurs SYSTem:ERRor? Command which checks power supply error. Error description will be save in fixed memory up to 10 messages. From 11th message, Earliest message will be deleted.
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Front panel Version Front panel Version Third SCPI protocol Version ex) *idn? return value "ODA Technologies,OPC-3010,1.0-1.0-1.0" *SAV {1|2|3|4|5|6|7|8|10} Command which save Voltage, Current, OVP, OCP Level in 『User Memory』 from 1 ~ 10 memory. > 1 ~ 10 Memory save range >...
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*RST Command which resets power supply. Below chart is reset description of each model. VOLT: CURR: VOLT: VOLT: CURR: CURR: MODEL VOLT PROT: CURR PROT: STEP STEP PROT PROT STEP STEP PROT PROT STAT STAT STAT STAT OPC-95 9.6V 0.1mA 5.3A OPC-97 9.6V...
7. Error Messages Description about ERROR messages. Press Key to check, or check with SYSTEM:ERROR? Command in PC Interface. +0,"No error" There are no errors 7-1. Power Module Error Error which occurs in internal power module, or extended power module. +1 "Do not perform ex-command"...
7-2. Hardware Error -200, "System interface error" Occurs when SCPI Module is not working. -201, "ADC operating failed" ADC Part circuit is not operating ADC Part circuit is not operating. -202, "Front panel operating failed" Front Panel does not response. -255, "Error not define"...
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-221, "Setting conflict" SCPI command exists, but cannot be used with using power supply. ex)POL N Command which change the polarity, however it can be used when there is more than one channel. -222, "Out of data" Occurs when setting value is out of range. ex)Volt 1000 Value is too high.
8. Warnings To use power supply safely, please check below : ▌Avoid cold, hot places. ▌DO NOT operated equipment after bringing from cold place ▌DO NOT operated equipment after bringing from cold place. Liquefaction may damage the power supply. Stand by 20~30 minutes to operate. ▌DO NOT place liquid on the equipment.
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ODA TECHNOLOGIES CO.,LTD. 62, Bupyeong-daero 329beon-gil, Bupyeong-gu Incheon city, 403-858, Korea TEL. +82-2-1800-8644 FAX. +82-32-715-5456 www.odacore.com sales2@odacore.com...
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