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ITech IT6922A, User Manual

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Copyright ©ITECH Electronics Co., Ltd. 

6 

IT6933A 

150V 

5A 

200W 

IT6942A 

60V 

15A 

360W 

IT6952A 

60V 

25A 

600W 

IT6953A 

150V 

10A 

600W 

IT6922B 

60V 

5A 

100W 

IT6932B 

60V 

10A 

200W 

IT6942B 

60V 

15A 

360W 

IT6952B 

60V 

25A 

600W 

IT6953B 

150V 

10A 

600W 

 

*IT6922B/IT6932B/IT6942B/IT6952B/IT6953B have standard RS485 

communication interface and external Analog control Interface. 

2.2 Introduction to front panel 

The front panel of IT6900 series is shown in the next figure. 

 

 

1. 

VFD display

 

2. 

Rotary knob

 

3. 

Compound key, the local switch key and power switch

 

4. 

Number keys and ESC

 

5. 

Function keys

 

6. 

UP/DOWN/LEFT and RIGHT key, to move cursor

 

7. 

Output terminals

 

Summary of Contents for IT6922A

Page 1: ...Programmable DC Power Supply Series IT6900 User Manual Model IT6922A IT6932A IT6933A IT6942A IT6952A IT6953A IT6922B IT6932B IT6942B IT6952B IT6953B Version V2 0...

Page 2: ...and can only be used or copied according to the license Restricted permission statement Restricted permissions of the U S government Permissions for software and technical data which are authorized to...

Page 3: ...ITECH for warranty service from other countries the customer will be responsible for all the freight duties and other taxes Limitation of Warranty This Warranty will be rendered invalid in case of the...

Page 4: ...hould be capable of bearing maximum short circuit of electronic load without overheating Ensure the voltage fluctuation of mains supply is less than 10 of the working voltage range in order to reduce...

Page 5: ...erature 0 C 40 C Operating humidity 20 80 non condensing Storage temperature 20 C 70 C Altitude Operating up to 2 000 meters Pollution Grade 2 pollution Installation category Note To make accurate mea...

Page 6: ...ct must be immediately recycled Waste electrical and electronic equipment WEEE directive Waste electrical and electronic equipment WEEE directive 2002 96 EC The product complies with tag requirements...

Page 7: ...2 2008 EN 61000 4 2 2009 IEC 61000 4 3 2006 A1 2007 A2 2010 EN 61000 4 3 2006 A1 2008 A2 2010 IEC 61000 4 4 2004 A1 2010 EN 61000 4 4 2004 A1 2010 IEC 61000 4 5 2005 EN 61000 4 5 2006 IEC 61000 4 6 2...

Page 8: ...roduction to front panel 6 2 3 Key introduction 7 2 4 VFD Description 8 2 5 Introduction to rear panel 8 2 6 Power on self test 10 Chapter3 Function and Features 13 3 1 Local Remote Mode 13 3 2 Voltag...

Page 9: ...IT6900 User Manual Copyright ITECH Electronics Co Ltd ix 5 4 RS485 interface 35 Appendix 37 Specifications of Red and Black Test Lines 37...

Page 10: ...IT E171 IT E172 IT E173 IT E17 4 User may select an appropriate power cord that matches the specifications of power socket used in the area See the Section Connecting the Power Cord for details USB ca...

Page 11: ...onal sized space Please select appropriate space for installation based on the electronic load size IT6900 series power supply different models are not the same size the detail size of the power suppl...

Page 12: ...n Drawing 1 3 Rack Mounting IT6900 series power supply can be mounted on a standard 19 rack ITECH provides user with IT E151A rack an optional mount kit 1 4 Connecting the Power Cord Connect power cor...

Page 13: ...gories of power lines Select from the flowing schedule of power cord specifications an appropriate power cord that matches the voltage for the area in which you use the instrument If the power cord in...

Page 14: ...output current 100W 20V 5A but when the output voltage is down to 10V due to IT6922A maximum current is 5A so in this case the maximum output current is 5A IT6900 series power comes with a standard c...

Page 15: ...T6953B 150V 10A 600W IT6922B IT6932B IT6942B IT6952B IT6953B have standard RS485 communication interface and external Analog control Interface 2 2 Introduction to front panel The front panel of IT6900...

Page 16: ...ck key to call up a set value of system parameters already stored storage key to save system parameter settings Meter Meter DVM Meter key to switch from value set panel and the actual output value dis...

Page 17: ...supply is in constant current mode Ext No No Adrs USB GPIB light when the address match or RS232 received order Meter Meter on state Rmt The power supply is in remote mode Shift Use compound keys Err...

Page 18: ...l 6 AC power socket fuse contained The rear panel of IT6952A IT6953A is shown in the next figure 1 Cooling window 2 RS232 Communication cable interface 3 USB Communication cable interface 4 GPIB Commu...

Page 19: ...nication cable interface 4 GPIB Communication cable interface 5 Fuse 6 AC power socket 7 Output Sync signal interface and RS485 Communication cable interface 8 DVM input terminal Remote measurement te...

Page 20: ...ROM is lost then the VFD will display SYST LOST If the calibration data in EEPROM is lost the VFD display the tooltip information CAL LOST If the factory calibration data in EEPROM is lost and then th...

Page 21: ...T4A 250V T2A 250V IT6932A T6 3A 250V T3 15A 250V IT6933A T6 3A 250V T3 15A 250V IT6942A T10A 250V T6 3A 250V IT6952A T15A 250V T10A 250V IT6953A T15A 250V T10A 250V IT6922B T4A 250V T2A 250V IT6932B...

Page 22: ...his indicates that you can set voltage There are three ways to set output voltage through front panel The first way press V set V set adjust cursor location through button pressing and will enable you...

Page 23: ...In other words when the button is not lit the front panel displays setting value 3 6 Voltage Current Power adjustment The output current value is determined by output voltage of power supply and elect...

Page 24: ...nter the menu You will see a optional items on the screen through direction keys and rotary knob to upturn VFD display then the screen will display the following functions Press Enter button will ente...

Page 25: ...LIST SET LIST STATE OFF Close list test function ON Open list test function LIST LOAD Recall the saved list file FILE0 FILE9 LIST EDIT TIME SEC SEC second MIN minute VSET Setup the single step voltag...

Page 26: ...38400 57600 115200 NONE 8BIT NONE 8BIT EVEN 8BIT ODD 8BIT MODE SIGNAL MUX ADDR Address can be set within 0 30 USB RS485 BAUD 4800 9600 19200 38400 57600 115200 NONE 8BIT NONE 8BIT EVEN 8BIT ODD 8BIT M...

Page 27: ...EC Setup single step delay time 0 1 9999 NEXT YES YES continue the edit of next step NO End up the list file edit REPET 1 65535 Set the cycle time of list file SAVE NO Unsave the current list file FIL...

Page 28: ...e have multi baud rate to be chosen in RS232 mode 4800 9600 19200 38400 57600 11 52K Data bit is 8 Check digit have three choices NONE ODD EVEN Before you begin to carry out communication please make...

Page 29: ...umber 2 represents the parameters are saved in 11th groups GRP3 GRP8 by parity of reasoning AD Speed Set ADC SPEED This item is used to set the AD speed i e measurement display speed of power supply T...

Page 30: ...the editing process at this time if you receive a trigger signal power supply will begin to work according to the sequence steps you ve edited Now we take five steps for an example Operation steps 1 P...

Page 31: ...e list test file VFD will display LIST EDIT if you select to save the test file VFD will display SAVE DONE for three seconds and then display LIST EDITL 13 Press to select LIST STATE item press Enter...

Page 32: ...ternal factors press ON OFF button to open output again If in communication state originally you should by sending order OUTP ON order to open output 3 11 Key Lock Press On Off Lock button to set the...

Page 33: ...e terminals of the front panel to the device under test Use remote sense Remote sense compensate the voltage drop on the connection wire the operation is 1 Disconnect the wires short clips between and...

Page 34: ...setting is the same with RS232 communication setting 3 13 Analog control interface IT6922B IT6932B IT6942B IT6952B IT6953B power supply output can be controlled and monitored by external DC voltage s...

Page 35: ...Function and Features Copyright ITECH Electronics Co Ltd 26 6 Vm Voltage monitoring output 7 Im Current monitoring output 8 NULL None 9 GND Ground pin...

Page 36: ...ion of output offset voltage 0 01 3mV 0 01 10mV 0 01 30mV current 0 05 2mA 0 05 4mA 0 05 6mA Setup resolution voltage 1mV 1mV 1mV current 0 1mA 1mA 1mA Readback resolution voltage 1mV 1mV 1mV current...

Page 37: ...utput offset voltage 0 04 30mV current 0 1 10mA Read back resolution W 25 C 5 C of output offset voltage 0 04 30mV current 0 1 10mA Ripple 20Hz 20MHz voltage 30mVp p current 6mArms Rise time No load v...

Page 38: ...solution voltage 1mV 1mV 100V 10mV 100V current 1mA 1mA Setup accuracy within twelve months 25 C 5 C of output offset voltage 0 03 5mV 0 03 20mV current 0 1 25mA 0 1 25mA Read back resolution W 25 C 5...

Page 39: ...0 03 5mV 0 03 5mV current 0 1 5mA 0 1 10mA Read back resolution W 25 C 5 C of output offset voltage 0 03 5mV 0 03 5mV current 0 1 5mA 0 1 10mA Ripple 20Hz 20MHz voltage 5mVp p 8mVp p current 5mArms 6m...

Page 40: ...0 Fall time voltage 2S 10 90 2S 10 90 Sample rate 10HZ S 10HZ S Dimension mm 214 5mmW 88 2mmH 354 6mmD 214 5mmW 88 2mmH 445mmD Weight net 7 7Kg 15Kg Parameters IT6953B Rated values 0 C 40 C voltage 0...

Page 41: ...he above specifications may be subject to change without prior notice 20Hz 20MHz current 15mArms Rise time voltage 150mS 10 90 Fall time voltage 7S 90 10 Transient Response Time voltage 0 2mS Sample r...

Page 42: ...ch the settings in front panel system information If any change please press I set I set key RS 232 data format RS 232 data is a 10 bit words which has a start bit and a stop bit The start bit and sto...

Page 43: ...must use the correct interface cable or adapter Note that even if the cable has the right plug the internal wiring may be wrong Interface cable must be connected to the correct serial port on the comp...

Page 44: ...ess range of the power 0 to 30 can set by the function key on the front panel press the I set I set key to enter the system menu function find the GPIB address setting by button type the address Enter...

Page 45: ...tronics Co Ltd 36 the first power supply in the chain to a PC Now multiple units daisy chained via RS485 can be controlled by one PC by using the commands specific for multi unit connection See Progra...

Page 46: ...n Length IT E301 10A 10A 1m IT E301 30A 30A 6mm2 1 2m IT E301 30A 30A 6mm2 2m IT E301 60A 60A 20mm2 1 5m IT E301 120A 120A 50mm2 2m IT E301 240A 240A 70mm2 1m IT E301 240A 240A 70mm2 2m IT E301 360A 3...

Page 47: ...ng ITECH products In case of any doubts please contact us as follows 1 Refer to accompanying data disk and relevant manual 2 Visit ITECH website www itechate com 3 Select the most convenient contact m...

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