ITech IT6900 Series User Manual
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ITech IT6900 Series User Manual

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ООО "Техэнком"
Контрольно-измерительные приборы и оборудование
Programmable DC Power
IT6900 Series User Manual
Supply
Model: IT6922A/IT6932A/IT6933A/IT6942A/
IT6952A/IT6953A/IT6922B/
IT6932B/IT6942B/IT6952B/IT6953B
Version: V2.0
www.tehencom.com

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  • Page 1 ООО "Техэнком" Контрольно-измерительные приборы и оборудование www.tehencom.com Programmable DC Power Supply IT6900 Series User Manual Model: IT6922A/IT6932A/IT6933A/IT6942A/ IT6952A/IT6953A/IT6922B/ IT6932B/IT6942B/IT6952B/IT6953B Version: V2.0...
  • Page 2 (including electronic storage and “Caution” signs indicate danger. It is extent of laws, ITECH is not committed retrieval or translation into a foreign required to pay attention to the contents to any explicit or implied guarantee for...

  • Page 3: Warranty Service

    ITECH, and ITECH will be responsible for return freight.  If the product is sent to 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 following: ...

  • Page 4: Safety Precautions

    In case of failure to follow these precautions or specific warnings in other parts of the manual, violation against the safety standards related to the design, manufacture and purpose of the instrument will occur. If the user does not follow these precautions, ITECH will bear no responsibility arising there from. ...

  • Page 5: Environmental Conditions

     Do not block the air vent of the equipment. Environmental Conditions The IT6900 series power supply can only be used indoors or in low condensation areas. The following table shows general environmental requirements for this instrument. Environmental conditions...

  • Page 6: Waste Electrical And Electronic Equipment (Weee) Directive

    According to the equipment classification in Annex I of the WEEE directive, this instrument belongs to the “Monitoring” product. If you want to return the unnecessary instrument, please contact the nearest sales office of ITECH. Copyright ©ITECH Electronic Co., Ltd.

  • Page 7: Compliance Information

    Connection of the instrument to a test object may produce radiations beyond the specified limit. Use high-performance shielded interface cable to ensure conformity with the EMC standards listed above. Safety Standard IEC 61010-1:2010/ EN 61010-1:2010 Copyright ©ITECH Electronic Co., Ltd.

  • Page 8: Table Of Contents

    3.13 Analog Control Interface ........................25 Chapter4 Remote Operation Mode ....................27 4.1 RS232 interface ..........................27 4.2 USB interface ............................ 29 4.3 GPIB interface (IT6900(G) series only) ..................... 29 4.4 RS485 interface ..........................29 Copyright ©ITECH Electronic Co., Ltd.
  • Page 9 Контрольно-измерительные приборы и оборудование www.tehencom.com IT6900 User Manual Chapter5 Technical Specification ...................... 31 5.1 Major Technical Parameters ......................31 5.2 Supplemental Characteristics ......................36 Appendix ..............................37 Specifications of Red and Black Test Lines ..................... 37 Copyright ©ITECH Electronic Co., Ltd.

  • Page 10: Chapter1 Inspection And Installation

    After confirming that package contents are consistent and correct, please appropriately keep package box and related contents. The package requirements should be met when the instrument is returned to factory for repair. IT6900 series power supply is supplied with the following optional accessories (sold separately): Item...
  • Page 11 Inspection and Installation 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 supply is shown as below. IT6922A/IT6932A/IT6933A/IT6942A/IT6922B/IT6932B/IT6942B Models Detailed Dimension Drawing...
  • Page 12 ООО "Техэнком" Контрольно-измерительные приборы и оборудование www.tehencom.com Inspection and Installation IT6952A/IT6953A/IT6952B/IT6953B Models Detailed Dimension Drawing Copyright ©ITECH Electronic Co., Ltd.

  • Page 13: Rack Mounting

    Inspection and Installation 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 cord of standard accessories and ensure that the power is under normal power supply.

  • Page 14: Chapter2 Quick Start

    20V for the output voltage, the maximum 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 communication interface RS232/USB/RS485, both desktop and system-based features, can be designed and tested according to your needs and provide multi-purpose solutions.

  • Page 15: Introduction To Front Panel

    *IT6900(G) is the model with built-in GPIB, the function is the same as standard model, please check with ITECH for availability. 2.2 Introduction to Front Panel The front panel of IT6900 series is shown in the next figure. VFD display Rotary knob...

  • Page 16: Key Introduction

    Left and right movement keys, used to set the value, to adjust the cursor to the specified location. Up and down keys, used to select a item in the menu or increase (decrease) the output voltage or current values. Cancel /return keys. 2.4 VFD Description Copyright ©ITECH Electronic Co., Ltd.

  • Page 17: Introduction To Rear Panel

    The rear panel of IT6922A/IT6932A/IT6933A/IT6942A is shown in the next figure. Cooling window RS232 Communication cable interface USB Communication cable interface GPIB Communication cable interface (IT6900(G) series only) DVM input terminal, Remote measurement terminal and the output terminal AC power socket (fuse contained) Copyright ©ITECH Electronic Co., Ltd.
  • Page 18 AC power socket (fuse contained) Output Sync signal interface and RS485 Communication cable interface DVM input terminal, Remote measurement terminal and the output terminal Analog control interface  The rear panel of IT6952B/IT6953B is shown in the next figure. Copyright ©ITECH Electronic Co., Ltd.

  • Page 19: Power-On Self-Test

    Normal self-test procedures: 1. Correctly connect the power cord. Press Power key to start up. 2. After self-test, if the power supply is normal, then VFD will display the output voltage and current status as below: Copyright ©ITECH Electronic Co., Ltd.
  • Page 20 1) Pull out power line and take out the fuse box at power line jack with a small screw driver. As shown below. 2) If the fuse is fused, please change fuse of same specification based on machine model. See the table blow for matching information of fuse and machine model. Copyright ©ITECH Electronic Co., Ltd.
  • Page 21 T6.3A 250V IT6952B T15A 250V T10A 250V IT6953B T15A 250V T10A 250V 3) After replacement, install the fuse box back to original position, as shown below. NOTE Fuse of IT6952A/IT6953A/IT6952B/IT6953B can unscrew directly by hand. Copyright ©ITECH Electronic Co., Ltd.

  • Page 22: Chapter3 Function And Features

    This indicates that you can set current. There are three ways to set output current through front panel. I-set I-set  The first way: press ,adjust cursor location through button, push will enable you to adjust the setting current value. Copyright ©ITECH Electronic Co., Ltd.

  • Page 23: On/Off Operation

    25V/10A, in fact, the unit can only output 25V/8A. 3.7 Saving Operation Customer can save some often-used parameters in nonvolatile memory. Recall can use the button (Save) button or SCPI order *SAV, *RCL to achieve this function. Saving parameters include: setting voltage/setting current Copyright ©ITECH Electronic Co., Ltd.

  • Page 24: Trigger Operation

    Set the power-on output state to be the last Keep power-off output state GPIB(IT6900(G) ADDR Address can be set within 0-30 series only) 4800 9600 19200 BAUD 38400 COMM (GPIB) 57600 RS232 115200 NONE 8BIT NONE 8BIT EVEN 8BIT ODD 8BIT MODE SIGNAL Copyright ©ITECH Electronic Co., Ltd.
  • Page 25 Do not save the current list file SAVE Save the list file to appointed FILE0-FILE9 document EXIT Quit the system menu POWER MODEL Unit model INFO The software version SN-1 The first six number of SN Copyright ©ITECH Electronic Co., Ltd.
  • Page 26 0-30 COMM (GPIB) 4800 9600 19200 BAUD 38400 57600 115200 RS485 NONE 8BIT NONE 8BIT EVEN 8BIT ODD 8BIT SIGNAL MODE ADDR. Address can be set within 0-30 BEEP (ON) Close the key sound Copyright ©ITECH Electronic Co., Ltd.
  • Page 27 Save the list file to appointed FILE0-FILE9 document EXIT Quit the system menu POWER MODEL Unit model INFO The software version SN-1 The first six number of SN SN-2 The middle six number of SN Copyright ©ITECH Electronic Co., Ltd.
  • Page 28 This item can set the key sound state. If in on mode, then key sound will be there when you press buttons. If in off mode, the beeper will not make a sound. The default set is in on mode. Copyright ©ITECH Electronic Co., Ltd.
  • Page 29 AD Speed Set (>ADC SPEED) This item is used to set the AD speed, i.e., measurement display speed of power supply. There are three kinds of AD speed, including SLOW, MID and FAST. Ex-factory set is in SLOW option. Copyright ©ITECH Electronic Co., Ltd.
  • Page 30 >LIST EDIT, press to confirm Enter 4. VFD display >TIME SEC, press to confirm, go to the next step, you can also through button to select >TIME MIN time unit, press Enter to confirm. Copyright ©ITECH Electronic Co., Ltd.
  • Page 31 Now you only need to press Enter (Trigger) to give a trigger signal, the list file can be ran. 18. In LIST mode, voltage set and current set button can’t be used, In LIST Copyright ©ITECH Electronic Co., Ltd.

  • Page 32: Ovp Function

    STATE item, choose LIST>OFF will enable you to quit list mode. 3.10 OVP Function V-set V-set IT6900 series power supply provide OVP function, press button can enable you to set the over voltage protection value. Over voltage may caused by internal defect or customer’s incorrect operation(such as output voltage rising),or external voltage too high.
  • Page 33 ООО "Техэнком" Контрольно-измерительные приборы и оборудование www.tehencom.com Function and Features Digital Volt Meter (DVM) IT6900 series power supply has four semi-digital voltmeter. This DVM can Meter Meter measure 0.001V to 61.000V voltage. Press (DVM) button can enable the measured value display on the VFD screen. Press any key to quit the display of this value.

  • Page 34: Rs485 And Output Sync Signal Interface

    Baud rate, Data bit, Stop bit, parity bit and address, the 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 source (0~10V). Copyright ©ITECH Electronic Co., Ltd.
  • Page 35 Composite terminal: Voltage programming input/ Digital D0 input terminal Is/D1 Composite terminal: Current programming input/ Digital D1 input terminal Digital D2 input terminal ON/OFF Control output state Voltage monitoring output Current monitoring output NULL None Ground pin Copyright ©ITECH Electronic Co., Ltd.

  • Page 36: Chapter4 Remote Operation Mode

    (e.g. PC). Do not use blank Modem cable. If your computer is using a RS-232 interface with DB-25 connector, you need an adapter cable with a DB-25 connector at one end and the other side is a DB-9(not blank modem cable) Copyright ©ITECH Electronic Co., Ltd.
  • Page 37 8 data bits, no parity Mode: SIGNAL, MUX SIGNAL (Single connection mode) , the MUX (Multiple connection mode) ADDR: Local address (0 to 30 factory default setting is 0) Start Bit 8 Data Bits Parity=None Stop Bit Copyright ©ITECH Electronic Co., Ltd.

  • Page 38: Usb Interface

    User can set the following parameters of the RS485 interface: Baud rate: 9600(4800/9600/19200/38400/57600/115200) Parity and data bit: NONE/8BIT, EVEN/8BIT, ODD/8BIT EVEN 8 data bits, have even parity 8 data bits have odd parity NONE 8 data bits, no parity Copyright ©ITECH Electronic Co., Ltd.
  • Page 39 RS485 can be controlled by one PC by using the commands specific for multi-unit connection. See “Programming Guide” section for details. The figure below is a schematic diagram of the connection of 4 machines. Connect PC Copyright ©ITECH Electronic Co., Ltd.

  • Page 40: Chapter5 Technical Specification

    ≤0.03%+5mV ≤0.03%+5mV ≤0.03%+5mV Read back resolution voltage (W) (25°C±5°C) ≤0.1%+5mA ≤0.1%+10mA ≤0.1%+15mA ±(%of output+offset) current ≤5mVp-p ≤8mVp-p ≤15mVp-p voltage Ripple ≤5mArms ≤6mArms ≤8mArms (20Hz ~20MHz) current Sample rate 10HZ Dimension (mm) 214.5mmW×88.2mmH×354.6mmD Weight (net) 7.7Kg Copyright ©ITECH Electronic Co., Ltd.
  • Page 41 Fall time(Full-load) voltage 150ms Transient Response Time 200us Remote Sense Compensation Command Response Time 10~600ms Difference-mode 50mV voltage(Vpp) Difference-mode current 20mA (Arms) voltage 50 PPM/°C +30mV Setup Temp.coefficient ( 0 °C~40 °C) current 50 PPM/°C+30mA Copyright ©ITECH Electronic Co., Ltd.
  • Page 42 ≤0.1%+25mA current ±(%of output+offset) Read back resolution ≤0.03%+5mV ≤0.03%+20mV voltage (W) (25°C±5°C) ±(%of output+offset) ≤0.1%+25mA ≤0.1%+25mA current ≤20mVp-p ≤50mVp-p voltage Ripple ≤15mArms ≤15mArms (20Hz ~20MHz) current Sample rate 10HZ Dimension (mm) 214.5mmW×88.2mmH×445mmD 15Kg Weight (net) Copyright ©ITECH Electronic Co., Ltd.
  • Page 43 Weight (net) 7.7Kg Parameters IT6942B IT6952B voltage 0~60V 0~60V Rated values current 0~15A 0~25A (0 °C~40 °C) Power 360W 600W ≤0.01%+30mV ≤0.01%+30mV voltage Load regulation ±(%of output+offset) ≤0.05%+6mA ≤0.1%+10mA current ≤0.01%+30mV ≤0.01%+30mV Line regulation voltage Copyright ©ITECH Electronic Co., Ltd.
  • Page 44 ≤0.01%+25mV Line regulation voltage ≤0.5%+10mA ±(%of output+offset) current voltage 1mV(<100V) 10mV(≥100V) Setup resolution current 0.1mA voltage 1mV(<100V) 10mV(≥100V) Readback resolution current 0.1mA Setup accuracy ≤0.03%+20mV voltage (within twelve months) (25°C±5°C) ≤0.1%+25mA current ±(%of output+offset) Copyright ©ITECH Electronic Co., Ltd.

  • Page 45: Supplemental Characteristics

    Cooling style: fans Maximum input power: Model Maximum input power Model Maximum input power IT6922A 350VA IT6942A 1000VA IT6932A 550VA IT6952A 2000VA IT6933A 550VA IT6953A 2000VA IT6922B 350VA IT6932B 550VA IT6942B 1000VA IT6952B 2000VA IT6953B 2000VA Copyright ©ITECH Electronic Co., Ltd.

  • Page 46: Appendix

    Specifications of Red and Black Test Lines ITECH provides you with optional red and black test lines, which individual sales and you can select for test. For specifications of ITECH test lines and maximum current values, refer to the table below.
  • Page 47 ООО "Техэнком" Контрольно-измерительные приборы и оборудование www.tehencom.com Contact Us Thanks for purchasing ITECH products. In case of any doubts, please contact us as follows: 1. Visit ITECH website: www.itechate.com 2. Select the most convenient contact method, for further information.

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