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EX Series Operating Manual

3-4. 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**

" Mode.

After turned on, check the power supply displays

OUTPUT OFF

Mode.

▌Press the "Protection" key.

LCD Display

PROTECT> 1.OVP

▌Press the right cursor key in other to enter the OCP.

LCD Display

PROTECT> 2.OCP

▌Press the "Protection" key one more time at the "2. ocp" state.

LCD Display

OCP SET> 88.00a

▌Move the under bar cursor location where you want to change.

▌Set the trip level.

▌

Note that you cannot set the trip levels to lower than current real output
current in other to prevent the operator's malfunction occurring.

▌After set the trip levels that you want, press the "Protection" Key.

LCD Display

CHANGED

After displayed above message, The power supply will exit the OVP
menu and the display will return to the meter mode.

menu and the display will return to the meter mode.

Cancelling

▌If you don't want to change the OVP levels, just wait during 5 seconds.

Wait 5 sec

LCD Display

CANCEL…

≫ Related Remote Interface Command

CURR:OCP {<current>}

CURR:OCP {<current>}
CURR:OCP?
CURR:OCP:TRIP?
CURR:OCP:CLE

Apply:

CURR:OCP 50

Set the OCP level.

About initial OCP setting, refer to Default Setting Values of "1-6. Check After Power On"

Note

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Содержание EX Series

Страница 1: ...Copyright ODA Technologies Co Ltd All Rights Reserved Headquarter Headquarter A 708B Woorim Lions Valley 435 Bupyung gu Incheon Metropolitan City Republic Of Korea TEL 82 32 623 5454 FAX 82 32 623 545...

Страница 2: ......

Страница 3: ...a separate written agreement with warranty terms covering the material in this document that conflict with these terms the warranty terms in the separate agreement shall control Assistance This produc...

Страница 4: ...noperative and secured against earth terminal will cause a potential shock of important data Do not proceed beyond a hazard that could result in personal injury CAUTION notice until the indicated cond...

Страница 5: ...earth potential Line conductor on tl i t ll d i t Frame or chassis terminal On supply Off supply Standby supply Unit is not permanently installed equipment permanently installed equipment Out position...

Страница 6: ...tions 12 1 5 Check Before Power On 13 1 5 Check Before Power On 13 Output Terminal Check Power Cord Check Input AC Power Line Check 1 6 Check After Power On 15 Display Procedure on the LCD Default Set...

Страница 7: ...ting 3 10 IO Local 3 9 Key Lock g RS485 Connection Drawing RS485 Configuration USB Setting TCP IP Setting Option Delimiter Response 3 11 Limit Display 47 3 11 Limit Display 47 3 12 Store 48 3 13 Recal...

Страница 8: ...Calibraton Current Calibration 5 6 Remote Interface Calibration 72 Instruments Connection Remote Calibration Command Procedure Remote Calibration Command Procedure Voltage Calibraton Current Calibrat...

Страница 9: ...7 4 Output V I Setting Oprating Commands 86 7 5 Measure Commands 91 7 6 Remote Connector Commands 91 7 7 Calibration Commands 93 7 8 Factory Commands 93 7 9 System Commands 95 8 Error Messages 98 8 Er...

Страница 10: ...Memory operating state of voltage current OVP OCP store and recall available up to 10 Save and confirm up to 10 error messages 19inch Rack Compact Size 600 2 5KW 1U 2 5 5KW 2U 5 10KW 4U High efficien...

Страница 11: ...t system and etc y y y Self Test Characteristics Front panel test Remote interface test Memory date verification test ADC H W error test Unregulated state test g ADC DAC calibration verification test...

Страница 12: ...heck the LDC display is not scratched or cracked Electrical Check When turning on the power check the alarm sound If the alarm sounds the instrument has the error during self testing itself Error chec...

Страница 13: ...e than 60 Vdc when metal shorting material or wire without insulation are used to connect the output to the sense and the output to the sense terminals Outputs can be floated to maximum of 240 Vdc pro...

Страница 14: ...le phase AC power source at 47 to 63 Hz AC100V 110V 115V 230V input power is optional Refer to chapter 1 2 Accessories Options In other to prevent the instrument severe damage from overload fuse is bu...

Страница 15: ...ontrol condition Unregulated state test Check output voltage floating state ADC DAC calibration test check ADC DAC Calibration data state If the error occurs alarm beeps and the error code is saved to...

Страница 16: ...s 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 Bench Operation Your power supply mu...

Страница 17: ...rating Manual 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...

Страница 18: ...Limit Display Lamp Error Lamp Key Lock Lamp Curr Cursor or Menu Change Key Recall or Factory Key Protection Setting and Front panel Lock Key POWER switch 16Character one line LCD Display Ventilation...

Страница 19: ...When received the remote control signal from PC PLC and etc it lights and automatically front panel keys are under Key Lock state 8 CV Mode Lamp The power supply is in constant voltage mode 9 CC Mode...

Страница 20: ...p p p g g g p p y g clear the lock key 17 Volt Curr Setting Limit Display Key Shows voltage and current limit values on the display and allows knob adjustment for setting limit values with lighting LM...

Страница 21: ...ther to increase the volt curr limit value turn the encoder clockwise In other to decrease the volt curr limit value turn the encoder counter clockwise 6 Confirm the change of setting value at LCD dis...

Страница 22: ...3 3 Remote Voltage Sensing 4 Voltage Sensing Input Connector Input terminal of positive output voltage sensing For more informaiton refer to 3 3 Remote Voltage Sensing 5 Ventilation Slit A fan cools...

Страница 23: ...et web of PC This type is protocol communication control and received fixed PI address So you can control power supply anywherer in world p pp y y 12 Earth Ground Connect Screw Earth Ground Connect Sc...

Страница 24: ...r Current Output Check The following steps check basic current functions with a short across the power supply s output 1 Turn on the power supply 2 The output is disabled the OUTPUT OFF is displayed o...

Страница 25: ...lain about the programming of over voltage protection 5 Programming Over Current Protection OCP 5 Programming Over Current Protection OCP Explain about the programming of over current protection 6 Pro...

Страница 26: ...ting In other to set the current value use the right cursor key and encoder knob Under the protection OVP UVL OVL setting state current cannot be over protection level If the voltage value is over the...

Страница 27: ...ther to set the current value use the right cursor key and encoder knob Under the protection OVP UVL OVL setting state current cannot be over protection level If the voltage value is over the protecti...

Страница 28: ...level Note that you cannot set the trip levels to lower than current real output volt in Note that you cannot set the trip levels to lower than current real output volt in other to prevent the operato...

Страница 29: ...urce that make an in rush curren To avoid this a UF diode must be connected in series with the output as shown below Third In case of using the DUT as like source If external voltage source such as a...

Страница 30: ...nished to change the level press the Protection key LCD Display CHANGED After displayed above message return to before state that tripped OVP Related Remote Interface Command VOLT OVP voltage VOLT OVP...

Страница 31: ...play OCP SET 88 00a Move the under bar cursor location where you want to change Set the trip level p Note that you cannot set the trip levels to lower than current real output current in other to prev...

Страница 32: ...trol the tripped OCP turn off the OCP function Enter the Factory mode and move to 6 OCP USE and then disable this function When occurs OCP trip OCP TRIPPED message appears on the display In other to c...

Страница 33: ...to set the UVL level LCD Display PROTECT 1 OVP Move to the UVL menu by using right cursor key LCD Display PROTECT 3 uvl LCD Display PROTECT 3 uvl Press the Protection key one more time at the 3 uvl st...

Страница 34: ...he OVL level LCD Display PROTECT 1 OVP Move to the OVL menu by using right cursor key LCD Display PROTECT 4 ovl LCD Display PROTECT 4 ovl Press the Protection key one more time at the 3 ovl state LCD...

Страница 35: ...to set the UCL level LCD Display PROTECT 1 OVP Move to the CVL menu by using right cursor key LCD Display PROTECT 5 ucl LCD Display PROTECT 5 ucl Press the Protection key one more time at the 5 ucl st...

Страница 36: ...he OCL level LCD Display PROTECT 1 OVP Move to the OCL menu by using right cursor key LCD Display PROTECT 6 OCL LCD Display PROTECT 6 OCL Press the Protection key one more time at the 6 OCL state LCD...

Страница 37: ...and locking y g g In other to unlock the front panel operating press the Protection Key Lock key during 3 seconds over LOCK annunciator is off and unlocking Related Remote Interface Command KEYL OFF...

Страница 38: ...maybe it is under KEY LOCK Press the Protection key and unlock RS232C Setting RS232C setting procedure Turn on the power supply After turned on check the power supply displays OUTPUT OFF Mode Press I...

Страница 39: ...f female type Below is connection drawing of female type cross cable proceed as follows Stop Bit 8 Data Bits Start Bit yp g yp p Refer to chapter 1 2 Accessories Option and then you can choose the com...

Страница 40: ...LCD Display br 1 9600 bps Or it is differ following before state Baud rate is consist of 9600 19200 38400 57600 115200 and 230400bps You must match between remote interface device s baud rate Press I...

Страница 41: ...etween RS485 line and remote device as like PC or PLC you need extra wire that below figure connection Refer to Figure 3 6 485 to 232 Converter Figure 3 6 RS485 PC Interface setting RS485 module outpu...

Страница 42: ...differ following before state F ll i b f t t RS232C RS485 USB d TCP IP th Following before state appears RS232C RS485 USB and TCP IP on the display If the display is not 3 USB press the cursor key un...

Страница 43: ...isplay If the display is not 4 TCP IP press the cursor key until changing to I O 4 TCP IP on the display LCD Display I O 4 TCP IP Press the I O Local key in other to set the TCP IP LCD Display 1 Stati...

Страница 44: ...play SAVED Through above procedure interface method is TCP IP DHCP setting method Turn on the power supply After turned on check the power supply displays OUTPUT OFF Mode p pp y p y Press I O key in o...

Страница 45: ...btain the IP within a certain period of time after appeared Time Out Error message automatically quit form menu Confirm IP address Turn on the power supply After turned on check the power supply displ...

Страница 46: ...nd move to delimiter cr After appear delimiter cr message press the IO Local key after then appear SAVED message LCD Display Response delimiter cr SAVED Response You are able to have the response when...

Страница 47: ...current LCD Display 00 00V 88 00A By using encoder knob you can set the voltage or current After finished to set press the Limit Display key And return to previous state LCD Display output off Displa...

Страница 48: ...CD Display STORE NO 01 Turn the encoder knob to specify the memory location among 01 10 Foe examples turn the knob to the right to specify the memory location 2 LCD Display STORE NO 02 LCD Display STO...

Страница 49: ...d state LCD Display RECALL NO 01 Choose the storage location number that you want to apply by using encoder knob For examples if you want to apply No 02 state turn to right one click LCD Display RECAL...

Страница 50: ...In other to enable output off press the OUTPUT ON OFF key once more Related Remote Interface Command OUTP OFF ON OUTP Apply Check what state is Output and when the power supply output state is off the...

Страница 51: ...press the ERROR key during 3 seconds If no error appears next display and return to previous state If no error appears next display and return to previous state LCD Display NO ERROR Turn off ERR lamp...

Страница 52: ...allel configuration allows Overview 1 Remote Voltage Sensing It can supply the correct voltage to DUT 2 Analog Control Connector 2 Analog Control Connector This is for remote programming remote monito...

Страница 53: ...sensing any voltage dropped in the load leads must be added to the load voltage to calculate maximum output voltage The performance specifications are not guaranteed when the maximum output voltage i...

Страница 54: ...or load leads during remote sensing operation accidental open connections of sense or load leads during remote sensing operation have various unwanted effects Reminder never connect the load leads to...

Страница 55: ...ON Maximum load should be used less than 5K I PROG V PROG voltage output voltage can be programmed by 0 5VDC input Remote voltage programming pin About 0 100 output current can be programmed by 0 5VDC...

Страница 56: ...voltage programming Before setting you must complete external wiring If you do external wiring under the remote cotrolling the DUT can be damaged because of power supply s output voltage floating Warn...

Страница 57: ...t is set as local mode If device is equipped with option you should change the setting and you can use remote current programming Warning Before setting you must complete external wiring If you do ext...

Страница 58: ...put voltage and current of the power supply can be proportionally Monitoring Th f ll i i i ti d i The following is a pin connection drawing Remote Voltage Monitoring 0V 100 output voltage that is prop...

Страница 59: ...hat take on and off type If previous state is output off and if you take on the switch output is ON On the contrary OFF Thus about take on or off the contact operating it is reported just one function...

Страница 60: ...t l tti Remote Output Control setting The factory default is set as local mode If device is equipped with option you should change the setting and when you use this function you can not use output key...

Страница 61: ...M OUTP Return Value LOC REM OUTP DIR Change Direct mode 4 6 Parallel Operating EX series power supplioes of the SAME Model may be operated with outputs in parallel to obtain increased load current You...

Страница 62: ...r supply wiring length to DUT must be same If the wiring length is not same you can not set the current balance Do not use the 100 percent current usage We will recommend the usage rate up to 90 Do no...

Страница 63: ...isplay 1 V PROG Press the cursor key to move to PARALLEL LCD Di l 4 PARALLEL LCD Display 4 PARALLEL In other to change master or slave press limit display key LCD Display MASTER Press the cursor keys...

Страница 64: ...fication 6 3A 10A EX 5000 15A EX 2500 1 8Kwatt 600Watt How to replace Fuse is located in the inside of the product and it should be replaced by AS warranty center 20A 3pcs 20A 4pcs 20A 3pcs 6Kwatt EX...

Страница 65: ...able to calibrate by using front panel key Be able to calibrate by using remote interface Store in non volatile memory permanently Be able to restore and backup the calibration data Easy to calibrate...

Страница 66: ...oad resistor is also OK Voltage Range 500 Vdc Current Range 120 Adc Open and Short Switches Transient On Off Agilent 34401A Digital Voltmeter Accuracy 0 01 Voltage Calibration 5 4 Technic of Calibrati...

Страница 67: ...nt Monitoring Resistor shunt Normally current measuring instruments is not suitable high current capacty s measuring so generally use current monitoring resistor g y g Select shunt that TCR is below 1...

Страница 68: ...ime 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 V Sensign connecting hole Figure 4...

Страница 69: ...comes stable Enters a voltage value that you obtained by reading an external DVM meter If the value is 151 9mV enters as following below This is an examples for 30 Wait for 5 minute LCD Display V LOW...

Страница 70: ...before calibration 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 con...

Страница 71: ...ress the Calibration key LCD Display a high 61 00a It is able to differ about curr display Wait until DVM display voltage becomes stable Calculate the current when DVM display voltage became stable If...

Страница 72: ...er if occurs the errors remote calibration is cancelled If error is occurred you must restart remote calibration Voltage Calibraton Send the OFF command to electronic load Send the power supply voltag...

Страница 73: ...MIN After waited for minimum 5 minutes more measures DVM s voltage that is connected with current monitoring resistor Send calculated current value that prepared current value calculating program calc...

Страница 74: ...power supply power off Be able to change to minimum value of voltage current value automatically if you are not use the power supply long time Be able to lock the power supply s front panel if you ar...

Страница 75: ...etting maximum value UVL Level 0V OVL Level Limit maximum value UCL Level 0A OCL Level Limit maximum value Output Mode OFF User Memory Clear Operating Power switch on in a pressing FACTORY key In a pr...

Страница 76: ...Recall the state before you turn off fully If you set the voltage 12 00V current 40 00A and turn off the power and turn on the power after run the self test recalls befor appears 12 00V 00 00A and ou...

Страница 77: ...MV mode AUTO CURSOR MV Moving Operating Power switch on in a pressing FACTORY key Power switch ON When appearing 1 user mem clear message release FACTORY key In a pressing Enter to 3 AUTO CURSOR MV mo...

Страница 78: ...sable AUTO KEY LOCK mode ENABLE Enable AUTO KEY LOCK mode Auto Key Lock Operating Power switch on in a pressing FACTORY key Power switch ON Wh i 1 l l FACTORY k In a pressing When appearing 1 user mem...

Страница 79: ...ode ENABLE Enable OVP USE mode OVP USE Power switch on in a pressing FACTORY key Power switch ON When appearing 1 user mem clear message release FACTORY key In a pressing Enter to 5 OVP USE mode by us...

Страница 80: ...mode ENABLE nable OCP USE mode OCP USE Power switch on in a pressing FACTORY key Power switch ON When appearing 1 user mem clear message release FACTORY key In a pressing Enter to 6 OCP USE mode by us...

Страница 81: ...t value 50Hz Measures voltage current at every 20ms 100H Measures voltage current at every 10ms 100Hz Measures voltage current at every 10ms 300Hz Measures voltage current at every 3 3ms 1 3KHz Measur...

Страница 82: ...CTORY key one more time LCD Display 6 11 CAL BACKUP Recommended calibration interval is 6 monthes and in other to precision of the power supply done Recommended calibration interval is 6 monthes and i...

Страница 83: ...In other to restore press the FACTORY key one more time LCD Display done Release LCD Display 6 13 LOAD DEFAULT This function is to return to default value that shipped the unit from factory You can er...

Страница 84: ...alue or a code examples MIN MAX for the enclosed parameter A vertical bar separates one of two or more alternative parameters Command finish suffix is LF 0AH and you can change to CR CRLF Maximum char...

Страница 85: ...MAX CAL CURR current MIN MAX FACT USER M CLR SYST BEEP Factory Commands System Commands FACT USER M CLR SYST BEEP FACT LAST STA DIS SAF FUL SYST ERR FACT LAST STA SYST VERS FACT AUTO CUR DIS ENA FACT...

Страница 86: ...ters p g g y y g p VOLT voltage UP DOWN This command programs the immediate vlotage level of the power supply The immediate level is the voltage value of the output terminals This command also increas...

Страница 87: ...ue numeric value ex volt ovp return value 32 00 VOLT OVP TRIP This query returns a 1 if the overvoltage protection circuit is tripped and not cleared or a 0 if not tripped Return value 0 not tripped s...

Страница 88: ...ery returns the overr voltage limit value presently programmed Return value numeric value ex volt ovl return value 15 00 CURR current UP DOWN This command programs the immediate currenr level of the p...

Страница 89: ...the overcurrrent protection circuit will trip numeric value Input current within OVP setting range numeric value Input current within OVP setting range ex curr ocp 5 2 Set the OVP Level to 5 2A CURR...

Страница 90: ...ime set OCL you can not set the currentto above 15ampere CURR OCL CURR OCL This query returns the overr current limit value presently programmed Return value numeric value ex curr ocl return value 15...

Страница 91: ...This command is the choosing the state between controlling under local mode and remote mode This command is the choosing the state between controlling under local mode and remote mode LOC Local mode c...

Страница 92: ...mming REM OUTP This command is checking the P S output ON OFF control method This command is checking the P S output ON OFF control method Return value LOC Current state is local mode CONT Current sta...

Страница 93: ...a in the non volatile memory CAL CURR current MIN MAX This command is for current calibration Be careful calibration procedure Refer to 4 6 Remote Interface Calibratio current This command save the ca...

Страница 94: ...go down to minimum changing unit automatically p pp y g g g y when you set the AUTO CURSOR MV mode is enable DIS Disable AUTO CURSOR MV mode ENA Enable AUTO CURSOR MV mode ex fact auto cur ena Disable...

Страница 95: ...d 5 Measures voltage current at every 5 times 1sec measure very precise value 20 Measures voltage current at every 20 times 1sec measure very precise value 50 Measures voltage current at every 50 time...

Страница 96: ...more than 10 erase the first occurred error at first If check the error automatically erase the comfirmed error and there are no error you can receive 0 value No error Message Return value error numbe...

Страница 97: ...ming the power supply s properties You will receive 3 kinds properties Return value ODA Technologies EX Series 1 3 1 3 1 2 First Manufacturer Second Products model Third Products detailed version Firs...

Страница 98: ...izing contents This command is initializing of the power supply Following is initializing contents Output OFF Voltage Limit 0V Current Limit Maximum current value of the power supply OVP Maximum OVP v...

Страница 99: ...s out of order 201 ADC ti f il d 201 ADC operating failed It appears when circuit of ADC part is out of order 202 Front panel operating failed It appears when front panel does not respose 255 Error no...

Страница 100: ...i ti If you set the max command without Value of current Min calibration operating Procedure Min VALUE MAX VALUE 29 Invalid min value use under curr After sent the command of current Min value and the...

Страница 101: ...means the error of setting available voltage value 81 Memory limit curr error It means the error of setting available current value 82 Memory max volt error It means the error of the power supply s ma...

Страница 102: ...ommand was received that is not valid for this power supply You may have misspelled the command or it may not be a valid command If you are using the short form of the command remember that it may con...

Страница 103: ...f d i d i h b d i i not warranted but are descriptions of performance determined either by design or testing The service guide contains procedures for verifying the performance specifications Accurac...

Страница 104: ...EX Series Operating Manual 104...

Страница 105: ...EX Series Operating Manual 105...

Страница 106: ...EX Series Operating Manual 9 1 Outside Dimension 1U 600W 2 5KW Product Outside Dimension 1U 600W 2 5KW Product Rear Feature 106...

Страница 107: ...EX Series Operating Manual 2U 2 6KW 5KW Product Outside Dimension 2U 2 6KW 5KW Product Rear Feature 107...

Страница 108: ...EX Series Operating Manual 4U 5 1KW 10KW Product Outside Dimension 4U 5 1KW 10KW Product Rear Feature 108...

Страница 109: ...or improper seating in mating connector Clean contacts with solvent moistened cloth soft bristle brush small vacuum or low compressed air Recommended Annual Inspection External connector plugs and ja...

Страница 110: ...is exclusive and in lieu of all other warranties expressed or implied including but not limited to implied warranties of merchantability and fitness of the product to a particular purpose ODA its agen...

Страница 111: ...culation Do not place the heavy things on the power supply Avoid the electric magnetic field as motor and etc Avoid the electric magnetic field as motor and etc Do not allow any foreign matter such as...

Страница 112: ...rating Manual 13 ODA Technologies Other Products 13 ODA Technologies Other Products Programmable DC Power Supply OPE Q Series OPE QI Series OPE S Series OPE 19 Full rack size OPS Series OPD T Series O...

Страница 113: ...EX Series Operating Manual Reliability Durability Life time Test System Solution 113...

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