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ODA EX Series User Manual

Programmable dc power supply
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Programmable DC Power Supply
EX Series
User Manual
Manual Part NO. 019EX-03

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Summary of Contents for ODA EX Series

  • Page 1 Programmable DC Power Supply EX Series User Manual Manual Part NO. 019EX-03...
  • Page 2 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.
  • Page 3 Return features of this product may be impaired if the product to an ODA Sales and Service Office used in a manner not specified in the ope for service and repair to ensure that safety instructions.
  • Page 4 Safety Symbol...

  • Page 5: Table Of Contents

    CONTENTS 1. General Information ------------------------------------------------ ------------------------------------------------------------- 1-1. Feature General Feature Remote Interface Characteristics Calibration Factory Function Self Test Characteristics Self Test Characteristics 1-2. Accessories and Options ---------------------------------------------- Accessories Options 1-3. Inspecting the Unit ---------------------------------------------- Mechanical Check Electrical Check ------------------------------------ 1-4. Operating Conditions 1-5.
  • Page 6 ----------------------------------------------------- 3-3. Remote Voltage Sensing CV Regulation Output Rating Output Noise Stability Remote Voltage Sensing Connection ----------------------- 3-4. Programming Over Voltage Protection(OVP) ---------------------- 3-5. Programming Over Current Protection(OCP) ---------------------- 3-6. Programming Under Voltage Limit(UVL) ---------------------- 3-7. Programming Over Voltage Limit(OVL) ---------------------- 3-8.
  • Page 7 4-5. Calibration Using Front Panel ---------------------- Calibration Key Structure Voltage Calibration Current Calibration ---------------------- 4-6. Calibration by Remote Interface Instruments Connection Command Procedure of Remote Calibration Voltage Calibration Current Calibration 5. FACTORY ----------------------------------------------------- -------------------------------------------------------------- 5-1. Characteristic ------------------------------------------------- 5-2. Factory Key Structure ------------------------------------------------- 5-3.
  • Page 8 -------------------------------------------------------- 6-2. Commands Output Setting Commands Measurement Commands Calibration Commands Factory Commands System Commands -------------------------------------------------------- 6-3. Apply Command ----------------------------------- 6-4. Output V/I Setting & Oprating Comm -------------------------------------------- 6-5. Measure Commands -------------------------------------------- 6-6. Calibration Commands 6-7. Factory Commands -------------------------------------------- 6-8. System Commands -------------------------------------------- 7.

  • Page 9: General Information

    1. General Information 1-1. Feature EX Series Single Output products are high-performance and high-efficiency programmable DC power supply with RS-232C, RS-485, TCP/IP(option) interface based on SCPI (Standard Commands for Programmable Instruments) protocol and the combination of bench-top and system features in these power supplies provides versatile solutions for your design and test requirements in the industiral fields, R&D institute center and education fields.

  • Page 10: Accessories And Options

    Characteristics of Self Test ▌Front panel Test ▌Remote interface Test ▌Memory date verification test ▌ADC H/W error Test ▌UnRegulated state Test ▌ADC/DAC Calibration verification Test 1-2. Accessories and Options Accessories ▌AC input cord 1pc.(1.5meter) ▌Spare Fuse 1pcs ▌User's Manual (QR Code) Option ▌TCP/IP communication module ▌RS232C Cable 1M, 2M, 4M...

  • Page 11: Inspecting The Unit

    Warranty information is shown in the front of this manual. Keep the original packing materials in case the power supply has to be returned to ODA Technologies in the future. If you return the power supply for service, attach a tag dentifying the owner and model number. Also include a brief description of the problem.

  • Page 12: Check Before Power On

    1-5. Check Before Power On Check Output terminals ▌Check the rear panel outputs for voltage sensing and rear main outputs as below. <Figure 1-1> WARNING Floating the power supply output more than ±60 Vdc from the chassis presents an electric shock hazard to the operator.
  • Page 13 If fuse also is broken or braker is turned down repeatedly when power turns on, check the input power line or broken braker and then call to nearest ODA Technologies A/S Center. If products maximum output capacity is over 5KW, fuse will be replaced to Breaker.

  • Page 14: Check After Power On

    OVP & OCP level are set to maximum output value of instrument capacity and it is under the vigilance. Display the prpcedure the LCD ▌Display "ODA Technologies". ▌Display "EX-Series Ver1.3" ▌Annunciators of ERR,LMT,RMT,LOCK on front side are lit and go off clockwise from the left.

  • Page 15: Installation

    40 °C to 55 °C. A fan cools the power supply by drawing air through the rear panel and exhausting it out the sides. Using an ODA rack mount will not impede the flow of air. <Figure. 1-4 Bottom view>...
  • Page 16 ▌Fasten between rack bracket and rack case by using fastener. <Figure. 1-6> ▌To install instruments in a sliding support shelf, order support shelf and slide kit and it is very east to install. <Figure. 1-8> - 17 -...

  • Page 17: Front Panel, Rear Panel Composition & Function

    2. Front Panel, Rear Panel Composition & Function Power Switch 13 Curr Cursor or Menu Change Key Ventilation Slit 14 Output ON/OFF Key 16 Character,One Line LCD Display 15 IO/Local setting and Error Display Key Error Lamp 16 Protection setting and Front-panel Lock Key Limit Display Lamp 17 Voltage/Current setting value Display Key Key Lock Lamp...
  • Page 18 1. POWER switch The power supply is turned on or off by this switch. It is adopted by following power supply's capacity. 2. Ventilation slit. Air flow flows from front ventilation slit to rear ventilation slit compulsorily. 3. 16Character, one line LCD Display. Voltage/current and , all kinds menu/message displayed.
  • Page 19 12. Volt Cursor or Menu Change Key. Move the under bar digit to the left about voltage. It also is used to move to next menu when selected menu mode. 13. Curr Cursor or Menu Change Key. Move the under bar digit to the right about current. It also is used to move to next menu when selected menu mod 14.

  • Page 20: Front-Panel Setting

    2-1. Front-Panel setting of Voltage and Current You can set the voltage and current limit values from the front panel using the following method. 1. Confirm the display of "OUTPUT OFF" on the LCD after turning on the power supply. 2.

  • Page 21: Rear Panel Composition

    - Voltage Sensing Input connector 11 RS485 TERMINAL + Voltage Sensing Input connector 12 AC Input Fuse Ventilation Slit 13 Ex Series Option Port AC Power Input Connector 14 Analog Input & Output Calibration Port Earth Ground 15 Earth Ground Connection Screw RS-232C Interface Port 1.
  • Page 22 If turns on the main power switch and the power supply is not working, check the fuse broken or not. 13. EX Series Option Port This is Analogue option terminals for option- Analog Input, Analog Output, ON/OFF etc. For the details about Analog control option, Please refer Analog option manual.

  • Page 23: Output Check

    2-3. Output Check The following procedures check to ensure that the power supply develops its rated outputs and properly responds to operation from the front panel. For complete performance and Voltage Output Check ▌The following steps verify basic output voltage functions with no load. 1.

  • Page 24: Front-Panel Operating

    3. Front-Panel Operatin If entering to each function of power supply, it returns or cancels to local mode when you press the IO/Local, Protection, Store, Recall key or leave the power supply without any events after 5 seconds later. The select and confirm key is it's own key. For examples, if you want to store current state, at first press the "store"...

  • Page 25: Constant Voltage (Cv) Operating

    3-1. Constant Voltage Operating (CV) To set up the power supply for constant voltage (CV) operation, proceed as follows. (This operating is the examples that the function of "Last State Mode" is disable.) ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌Connect the DUT to output terminals.

  • Page 26: Constant Current (Cc) Operation

    3-2. Constant Current Operating (CC) To set up the power supply for constant current (CC) operation, proceed as follows ▌Turn on the power suppl After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌Connect the DUT to output terminals. ▌In order to set the limit value, press the LMT Key.

  • Page 27: Remote Voltage Sensing

    3-3. Remote Voltage Sensing Remote voltage sensing is used to maintain regulation at the load and reduce the degradation of regulation that would occur due to the voltage drop in the leads between the power supply and the load. By connecting the power supply for remote voltage sensing, voltage is sensed at the load rather than at the power supply’s output terminals.
  • Page 28 Stability Using remote sensing under certain combinations of load lead lengths and large load capacitances may cause your application to form a filter, which becomes part of the voltage feedback loop. The extra phase shift created by this filter can degrade the power supply’s stability, resulting in poor transient response or loop instability.

  • Page 29: Programming Over Voltage Protection(Ovp)

    3-4. Programming Over Voltage Protection(OVP) Overvoltage protection guards the load against output voltages that reach a specified value greater than the programmed protection level. Below procedure is for setting the OVP level. disable the OVP at the Factory Mode. ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**"...
  • Page 30 If the real output voltage is higher than OVP level value, "OVP TRIPPED" message appears on the display. And output voltage and current is dropped to near zero. In order to output the voltage and current, at first remove the DUT from load wire and clear the tripped OVP as like below method.
  • Page 31 ▌When occurs OVP trip, "OVP TRIPPED" message appears on the display ▌In order to clear tripped OVP, increase the OVP Level. In order to increase OVP level, press the "Protection" key LCD Display protect> 1.ovp ▌In the "protect> 1.ovp ", press the "Protection" key one more time. LCD Display ovp set>...

  • Page 32: Programming Over Current Protection(Ocp)

    3-5. Programming Over Current Protection(OCP) Overcurrent protection guards the load against output currents that reach a specified value greater than the programmed protection level. Below procedure is for setting the OCP level. disable the OCP at the Factory Mode. ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**"...
  • Page 33 If the real output current is higher than OCP level value, "OCP TRIPPED" message appears on the display. And output voltage and current is dropped to near zero. In order to output the voltage and current, at first remove the DUT from load wire and clear the tripped OCP as like below method. The reason of tripped OCP occuring, First, OCP setting level is lower than rear output current level.

  • Page 34: Programming Under Voltage Limit(Uvl)

    3-6. Programming Under Voltage Limit(UVL) Normally, you can adjust the voltage from 0V to maximum voltage but if you set the UVL level, you can adjust the voltage from UVL level to maximum voltage. ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌Before setting the UVL level, voltage limit setting value must be higher than UVL ▌In order to set the voltage, move the under bar cursor where you want by using left cursor key and set the voltage by using encoder knob.

  • Page 35: Programming Over Voltage Limit(Ovl)

    3-7. Programming Over Voltage Limit(OVL) Normally, you can adjust the voltage from 0V to maximum voltage but if you set the OVL level, you can adjust the voltage from 0V to OVL level. ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌Before setting the OVL level, voltage limit setting value must be lower than OVL level.

  • Page 36: Programming Under Current Limit(Ucl)

    3-8. Programming Under Current Limit(UCL) Normally, you can adjust the current from 0V to maximum current but if you set the UCL level, you can adjust the current from UCL level to maximum current ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌Before setting the UCL level, current limit setting value must be higher than UCL ▌In order to set the current, move the under bar cursor where you want by using right cursor key and set the current by using encoder knob.

  • Page 37: Programming Over Current Limit(Ocl)

    3-9. Programming Over Current Limit(OCL) Normally, you can adjust the current from 0V to maximum voltage but if you set the OCL level, you can adjust the current from 0A to OCL level. ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌Before setting the OCL level, current limit setting value must be lower than OCL level.

  • Page 38: Key Lock

    3-10. Key Lock Locking or unlocking of front panel's operating state. The locking function can be used to disable the knob, thereby preventing any unwanted changes during an experiment, or when you leave the power supply unattended. ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**"...

  • Page 39: Io/Local

    3-11. IO/Local To configure the power supply for the RS-232, RS485 and TCP/IP interface. RS232C, RS485 interface is standard, in case of TCP/IP, it is optional. When the power supply is shipped, I/O interface is set the RS232C protocol and baud rate is 9600bps. Communication setting is able to be set by front panel key.

  • Page 40: Rs232C Configuration

    RS232C Configuration ▌RS232C & RS485 are fixed as following. Data Bit : Stop Bit : Parity Bit: None ▌RS232C Data frame Stop Start 8 Data Bits ▌In order to connect the power supply of RS485 type, Standard cross cable of female type is required. Below is connection drawing of cross cable of female type.

  • Page 41: Rs485 Setting

    RS485 Setting It is possible to control up to 255 devices include remote device after connected each devices by parallel interface method. RS485 setting procedure. ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌Press "I/O"...
  • Page 42 RS232C Configuration 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 RS232C RS485 / RS485 RS232C / RS485 RS485 NOT CONNECTED NOT CONNECTED DATA- (RS485) DATA- (RS485) RX (RS232C) NOT CONNECTED DATA+ (RS485) DATA+ (RS485) GROUND GROUND...

  • Page 43: Rs485 Configuration

    RS485 configuration ▌In order to connect between RS485 line and remote device as like PC or PLC, you need extra wire that below figure connection. Refer to Figure. 3-5. < Figure 3-5 > 485 to 232 Converter < Figure 3-5 > - 44 -...

  • Page 44: Tcp/Ip Setting(Option)

    TCP/IP Setting(Option) TCP/IP communication module is optional and it is not external installation product So when you need TCP/IP module, inform us to attach it in the power supply . Module speed is 10/100Mbps and intra network PC is standard. Also if you connect the instrument to the fixed IP address, it will automatically obtain an IP address from the network.
  • Page 45 ▌Appear "Subnet Input" message briefly and then, change to subnet mask input > subnet input screen. LCD Display >255.255.255.0 ▌Input the subnet mask by using cursor and encoder knob. ▌After finishing inputing, press "IO/Local" key. >gate way input ▌Appear "Gateway Input" message briefly and then, change to gateway input screen LCD Display >192.168.123.254 ▌Input the gateway address by using cursor and encoder knob.
  • Page 46 ▌By using cursor key, set the "2.DHCP" and then press the "IO/Local" key TCP/IP Port setting must be equal with PC Or it may differ depending on previous stat LCD Display >port 5000 ▌You can change the device number by using encoder knob. ▌After changing the TCP/IP port by using cursor key and encoder switch, and then press the "IO/Local"...
  • Page 47 Delimiter You can choice the sending and responsing data delimiter among LF, CR and CRLF and when we are shipped, default value is LF. Next is setting procedure ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌In order to change the delimiter, press the "IO/Local"...

  • Page 48: Limit Display

    3-12. Limit Display Shows voltage and current limit values on the display and allows knob adjustment for setting limit values. When you press the "Limit Display" key, LMT Lamp is turned on. If it is dark, the power supply is under the readback display or output off state. Next is setting procedure about limit display.

  • Page 49: Store

    3-13. Store You can store up to ten different operating states(Output ON/OFF state, Voltage, Current, OVP, OCP, UVL, OVL, UCL, OCL) in non-volatile memory. The following steps show you howto store an operating state. Store Key can be used to calibrate the power supply. About calibration, refer to "4.

  • Page 50: Recall

    3-14. Recall You can recall up to ten different operating states(Output ON/OFF state, Voltage, Current, OVP, OCP, UVL, OVL, UCL, OCL) in non-volatile memory. The following steps show you how to recall an operating state. Recall Key can be used to FACTORY function. Recall Key can be used to FACTORY function.Refer to "5.FACTORY ".

  • Page 51: Output On/Off

    3-15. Output ON/OFF Enables or disables the power supply output. This key toggles between on and off. Therefore you can acquire the effect of output on/off without remove the connected DUT. Proceed as follows. ▌Turn on the power supply After turned on, check the power supply displays"**OUTPUT OFF**" Mode. ▌Basic state is output off mode.

  • Page 52: Error Message Display

    3-16. Error Message Display When the front-panel ERROR annunciator turns on, one or more command syntax or hardware errors have been detected. A record of up to 10 erros is stored in the power supply’s error. About error explanation, refer to "7. Error Messages" ▌Errors are retrieved in first-in-last-out order.

  • Page 53: Calibration

    4. CALIBRATION Warning The person or institute who not only does not have the acknowledge but also is not certificate calibration center should not calibrate the power supply. The calibration is required periodically. * precision use : one time after 180 days. * nomal use : 1 time/one year.

  • Page 54: Equipments Required For Calibration

    4-3. Equipment required for Calibration We recommend as below measuring instruments in other to calibrate the power supply. Requested performance Recommended Using article Digital Resolution: 0.1 mV Agilent 34401A Voltage Calibration voltmeter Accuracy: 0.01% Voltage Range: 500 Vdc Current calibration Current Range: 120 Adc for Power Supply Electronic Load...

  • Page 55: Electronic Load

    Electronic Load. ▌This instrument is for current calibration of ppwer supply. Electronic load is kind of variable resistor. ▌This instrument must have ON/OFF function and itself's short function for testing. ▌When current calibration, connect the power supply (+) output terminal and electronic load and connect the power supply (-) output terminal and shunt lead for current monitoring and then connect shunt's the other lead to electronic load (-) terminal ▌It must be able to communicate to PC.

  • Page 56: Calibration Key Structure

    Measuring Point. If you want to acquire the accurate data and result about the power suppyl's load regulation measuring, pk-pk Voltage and response time, you must connect the load resistor to A point of figure. 4-3 and you must connect the measuring instrument at the B point of fighre.4-3 (V-Sensign connecting hole) Rear Panel Terminal Connections(Side view) <...

  • Page 57: Voltage Calibration

    Voltage Calibraton ▌Turn off all device and connect all device before calibration >Connect the power supply (+) output bus bar at the DVM (+) and connect the power supply (-) output bus bar at the DVM (-) ▌Turn on Power switch in a pessing calibration key . ▌Power switch on.

  • Page 58: Current Calibration

    ▌Enters a voltage value that you obtained by reading an external DVM meter If the value is 31.607V, enters as following below. LCD Display V-high 31.61v This is an examples for 30V ▌After finishing to enter the value, press the "Calibration" key. LCD Display ADC datA f100h...
  • Page 59 ▌Calculate the current when DVM display voltage became stable. If resistor is 0.01Ω and DVM display voltage value is 1.23mV, the current value is 0.123A. ▌Enters a current value that you calculated by using cursor key and encoder knob. LCD Display a-LOW 00.12a This is a example of 60V...

  • Page 60: Calibration By Remote Interface

    4-6. Calibration by Remote Interface This chapter is for remoting calibration method by using remote interface. When you calibrate the power supply under remote interface state, you should not set other command Instruments Connection ▌Before calibrating, connect the all devices like <Figure. 4-2> ▌Set communication state of each measuring instruments .

  • Page 61: Current Calibration

    Current Calibration ▌Send the "ON" command to electronic load. ▌Send the power supply current minimum calibration command. CAL:CURR Sending command ▌The mode of electronic load is CC mode, so set the current value is higher than the power supply's maximum output ampere value. If you send the current calibration value is lower than the power supply's maximum ampere value, this is CV mode and wrong calibration value is measured and saved at the power supply.

  • Page 62: Factory

    5. FACTORY You can set the various convenient function as following calibration restore, backup and etc. by using "FACTORY" mode. 5-1. Characteristic ▌Be able to initialize the 10 non-volatile memory datas as like OVP, OCP and etc. ▌Be able to recall the previous state of the power supply power-off ▌Be able to change to minimum value of voltage/current value automatically if you are not use the power supply for long time.

  • Page 63: User-Mem Clear

    5-3. USER-MEM CLEAR ▌This mode is to initialize the 10 datas of OVP, OCP, UVL and etc in the non-volatile memory at once. ▌After initialized the datas of non-volatile, initialized data never be recovered. ▌Initialized contents >Voltage >Current Limit maximum value >OVP-Level OVP setting maximum value >OCP-Level...

  • Page 64: Last State

    5-4. LAST STATE ▌When you turn on the power supply, you can select the default state or last state of power off. ▌Function > DISABLE When selected this mode, boot the power supply to original default value For the safety, recommend this mode. When you turn on, appears "OUTPUT OFF"...

  • Page 65: Auto Cursor Mv

    5-5. AUTO CURSOR MV ▌If the power supply doesn't receive any operation by using front-panel within a certain period of time, the power supply's cursor location go down to minimum changing unit automatically when you set the "AUTO CURSOR MV" mode is enable. ▌After passed long time, if a operator turns encoderder knob by mistake, cursor location of voltage and current is at minimum unit position, so it can reduce the DUT damage.

  • Page 66: Auto Key Lock

    5-6. AUTO KEY LOCK ▌If the power supply doesn't receive any operation by using front-panel within a certain period of time, the power supply becomes the key lock state automatically when you set the "AUTO KEY LOCK" mode is enable. ▌It is safe from another person's mistake touch of the power supply front-panel.

  • Page 67: Ovp Use

    5-7. OVP USE ▌Enable or disable the "Over Voltage Protection" function. ▌In case of a like inductivity DUT, motor, big capacity DUT and etc, occurs "OVP trip" frequently so if it is not convenient to use the power supply, you can set disable of "OVP USE" mode. ▌If disable the "OVP USE", the power supply doesn't cut the DC source when voltage level is over OVP setting level.

  • Page 68: Ocp Use

    5-8. OCP USE ▌Enable or disable the "Over Current Protection" function. ▌In case of a like inductivity DUT, motor, big capacity DUT and etc, occurs "OCP trip" frequently so if it is not convenient to use the power supply, you can set disable of "OCP USE" mode. ▌If disable the "OCP USE", the power supply doesn't cut the DC source when current level is over OCP setting level.

  • Page 69: Adc Sampling

    5-9. ADC SAMPLING ▌Be able to set the output voltage/current measuring speed and displaying speed ▌If the frequency is lower, data acquisition is reduced. But you can get the more accurate value. ▌If the frequency is higher, data acquisition is increased. But voltage/current measuring value can be changeable frequently in the display.

  • Page 70: Cal-Restore

    5-10. CAL-RESTORE ▌This function is restoring saved calibration data at present system by backup function. ▌You can use this function when the person who have no previous knowledge of calibration operates calibration of the power supply or have an error about calibrtion, and you can return to previous calibration data.

  • Page 71: Cal-Default

    5-12. CAL-DEFAULT ▌This function is to restore to the state of calibration data that shipped from factory. ▌If you calibrate the unit in the condition that you have no previous knowledge of calibration or you can not restore by using "5-10. CAL-RESTORE" function, you can return to factory default calibration data. If you use this function, you must calibrate this unit at the official calibration center.

  • Page 72: Scpi Command

    6. SCPI Command This section summarizes the SCPI (Standard Commands for Programmable Instruments) commands available to program the power supply over the remote interface. By using interface as following RS232C, RS485 and TCP/IP(Option) you can control the devices so it is fit to FA system and research center. 6-1.

  • Page 73: Measurement Commands

    Measurement Commands MEAS:CURR? MEAS:VOLT? MEAS:ALL? Calibration Commands CAL:VOLT {voltage|MIN|MAX} CAL:CURR {current|MIN|MAX} Factory Commands FACT:USER-M {CLR} FACT:LAST-STA {DIS|SAF|FUL} FACT:LAST-STA? FACT:AUTO-CUR {DIS|ENA} FACT:AUTO-CUR? FACT:AUTO-LOC {DIS|ENA} FACT:AUTO-LOC? FACT:OVP {DIS|ENA} FACT:OVP? FACT:OCP {DIS|ENA} FACT:OCP? FACT:ADC {5|20|50|100|300|1300} FACT:ADC? FACT:LOAD-DEF System Commands SYST:BEEP SYST:ERR? SYST:VERS? OUTP {OFF|ON} OUTP? KEYL {OFF|ON} KEYL?

  • Page 74: Apply Command

    6-3. Apply Commands The APPL y command provides to control the output voltage and current by remote interface. APPLy {<voltage>}[,<current>] > voltage Input voltage value > current Input current value APPL 30,5 ex1) Voltage is 30V, current is 5A. ex2) APPL 5 Just set voltage to 5V excepted current set.
  • Page 75 VOLT:STEP? This query returns the value of the step size currently specified. The returned parameter is a numeric value. Return value "numeric value" "return value "0.500" ex) volt:step? VOLT:OVP {<numeric value>} This command sets the voltage level at which the overvoltage protection circuit will trip. >...
  • Page 76 VOLT:UVL {<numeric value>} This command sets the under voltage limit level. > numeric value 0V ~ currently setting value.(up to voltage setting value). At first set the voltage value ex) volt 10 Set lower value than above setting value volt:uvl 5 From the time set UVL, you can not set the voltage to below 5V.
  • Page 77 CURR? This query returns the presently programmed current level of the power supply. Return value "current" return value "4.50" ex) curr? CURR:STEP {<numeric value>} This command sets the step size for current programming with the CURRent UP and CURRent DOWN commands. >...
  • Page 78 CURR:UCL {<numeric value>} This command sets the under current limit level. > numeric value 0V ~ currently setting value.(up to current setting value). At first set the current value ex) curr 10 curr:ucl 5 Set the lower value than above setting value From the time set UCL, you can not set the current to below 5A.

  • Page 79: Measure Commands

    FLOW? This command is to confirm the power supply's CV(Constant Voltage), CC(Constant Current) state. Return value "CV" - Constant Voltage state. "CC" - Constant Current state. ex) FLOW? return value "CV" POL {P|N} This command serves for specialized polarity power supply and changing polarity of output. >...

  • Page 80: Calibration Commands

    6-6. Calibration Commands Calibration commands let you enable and disable the calibration mode, calibrate current and voltage programming, and store new calibration constants in nonvolatile memory by remote interface. CAL:VOLT {voltage|MIN|MAX} This command is for voltage calibration. Be careful calibration procedure. Refer to "4-6.
  • Page 81 FACT:LAST-STA {DIS|SAF|FUL} When you turn on the power supply, you can select the default state of output DC power. > DIS When this mode is selected , boot the power supply to original default value. > SAF When you turn on the power supply, appears "OUTPUT OFF" display. But if you press the "OUTPUT"...
  • Page 82 FACT:OVP {DIS|ENA} Enable or disable the "Over Voltage Protection" function. > DIS Disable "OVP USE" mode. > ENA Enable "OVP USE" mode. ex) fact:ovp dis Set the disable "OVP" function. FACT:OVP? Confirm OVP function value. Return value "0" Disable state "1"...

  • Page 83: System Commands

    FACT:LOAD-DEF This function is to initialize to the factory mode's setting value. You can clear in User memory field excepted calibration data. ex)fact:load-def Initialize to the factory mode's setting value 6-8. System Commands This is the commamd that is various control command of the power supply. SYST:BEEP The event to beep sound of power supply ex) syst:beep...
  • Page 84 Third, Products detailed version. First, System controller Version Second, Front panel Version Third, SCPI protocol Version return value "ODA Technologies, EX-Series,1.3-1.3-1.2" ex) *idn? *SN? Confirm the power supply serial number. Return value "oda-00-0000-00000" ex) *SN? return value "HR-01-0923-00185" *SAV {1|2|3|4|5|6|7|8|10} This command is saving the power supply's voltage, current, OVP, OCP Level value in the non-volatile memory of 1~10.
  • Page 85 *RCL {1|2|3|4|5|6|7|8|10} This command is recalling the power supply's saved data in the non-volatile memory You can select among 1 ~ 10 number. > 1 ~ 10 Memory sector. ex) *rcl 2 Recall and apply the number 2 memory data to the power supply. *CLS Clear the all error event.

  • Page 86: Error Messages

    7. Error Messages About error explanation. You can confirm the error by using front panel's "ERROR I/O Local" key or PC remote nterface.(Refer to "SYST:ERR?" command.) +0,"No error" No error state. 7-1. Operating Error -10, "Invalid the DAC parameter" In case of out of DAC memory section, it is different between setting value and real output value and at that time , you must remove the DUT.
  • Page 87 -23, "En route to cal the curr" It appears when sended calibration command about voltage during current calibration. -24, "Over volt min parameter" It appears voltage Min value is over the power supply's voltage limit. Refer to "4-5. Using Front Panel Calibration." -25, "Under volt max parameter"...

  • Page 88: Calibration Error

    7-4. Calibration Error If you do calibration, the power supply also do calibration of readcack. The following errors indicate failures that may occur during a calibration. -74, "ADC-V low limit over" It apprars when calibration of voltage ADC low section is out of range -75, "ADC-V high limit over"...

  • Page 89: Interface Commands Error

    7-6. Interface Commands Error This chapter is for PC interface communicaton error. -120, "Suffix too long" A suffix for a numeric parameter contained too long characters. Maximum memory buffer that you are able to send is 50 byte at only once. -121, "Invalid data"...

  • Page 90: Specifications

    8. Specifications The performance specifications are listed in the following pages. Specifications are warranted in the temperature range of 0 to 40°C with a resistive load. Supplemental characteristics, which are not warranted but are descriptions of performance determined either by design or testing. The service guide contains procedures for verifying the performance specifications.
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  • Page 92 - 93-...

  • Page 93: Cautions

    9. Cautions Non compliance with the warnings and/or the instructions for use may damage the instrument and/or its components or injure the operator. Keep following articles. ▌Avoid the installation in severe cold or hot area. ▌Do not use immediately after moved from cold area As liquefaction phenomenon, it gives damage to the power supply After 20~30min later, use the power supply.
  • Page 94 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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