ITech IT-M3400 Series User Manual
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ITech IT-M3400 Series User Manual

Bi-directional dc power supply
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Bi-directional DC power
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IT-M3400 Series User Manual
Model: IT-M3400 Series
Version: V1.0/04,2020

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  • Page 1 Bi-directional DC power supply IT-M3400 Series User Manual Model: IT-M3400 Series Version: V1.0/04,2020...
  • Page 2 CAUTION sign until the in- pose. ITECH shall not be held liable Manual Part Number dicated conditions are for errors or for incidental or indirect fully understood and met.

  • Page 3: Warranty

    Warranty ITECH warrants that the product will be free from defects in material and work- manship under normal use for a period of one (1) year from the date of delivery (except those described in the Limitation of Warranty below).

  • Page 4: Safety Symbols

    Failure to comply with these precautions or specific warn- ings elsewhere in this manual will constitute a default under safety standards of design, manufacture and intended use of the instrument. ITECH assumes no li- ability for the customer’s failure to comply with these precautions.
  • Page 5 This instrument is used for industrial purposes, do not apply this product to IT power supply system. • Never use the instrument with a life-support system or any other equip- ment subject to safety requirements. Copyright © Itech Electronic Co., Ltd.

  • Page 6: Environmental Conditions

    Make sure the vent hole is always unblocked. Environmental Conditions The instrument is designed for indoor use and an area with low condensation. The table below shows the general environmental requirements for the instrument. Copyright © Itech Electronic Co., Ltd.

  • Page 7: Regulation Tag

    The service life of the product is 10 years. The product can be used safely within the environmental protection period; otherwise, the product should be put into the recycling system. Copyright © Itech Electronic Co., Ltd.

  • Page 8: Waste Electrical And Electronic Equipment (Weee) Directive

    According to the equipment classifi- cation in Annex I of the WEEE direc- tive, this instrument belongs to the “Monitoring” product. If you want to return the unnecessary instrument, please contact the near- est sales office of ITECH. Copyright © Itech Electronic Co., Ltd.

  • Page 9: Compliance Information

    2. Connection of the instrument to a test object may produce radiations beyond the specified limit. 3. Use high-performance shielded interface cable to ensure conformity with the EMC standards listed above. Safety Standard IEC 61010-1:2010+A1:2016 Copyright © Itech Electronic Co., Ltd.

  • Page 10: Table Of Contents

    6 Protect Function ....................... 63 6.1 Set Over-Voltage Protection .................. 64 6.2 Set Over-Current Protection .................. 65 6.3 Set Over-Power Protection ..................66 6.4 Set Under-Current Protection ................67 6.5 Set Under-Voltage Protection ................68 Copyright © Itech Electronic Co., Ltd. VIII...
  • Page 11 10 Routine Maintenance ....................103 10.1 Instrument Self-Test ..................103 10.2 Cleaning and Maintenance ................103 10.3 Information Reference ..................104 10.4 Contact of ITECH Engineers ................105 10.5 Return for Repair ....................106 11 Technical Specification ....................108 11.1 IT-M3412......................108 11.2 IT-M3422......................

  • Page 12: Quick Reference

    CC/CV priority • Programmable rise/fall time for voltage and current • Adjustable output impedance • Battery charge test • Various protection such as OCP,OVP,OPP,UVP,UCP System features: • Bidirectional energy flow and support battery simulation Copyright © Itech Electronic Co., Ltd.

  • Page 13: Front-Panel Overview

    Turn the synchronized operation feature on or off. When lit, indicates that the instrument is in synchronous. • In remote control, press [Shift]+[Link] keys to switch the instrument to local control mode. Power On/Off Turns instrument on or off. switch Copyright © Itech Electronic Co., Ltd.

  • Page 14: Keyboard Introduction

    Moves the cursor below the setting value or arrow keys scrolls pages to view menu items. • Save/Recall the present settings. 1.3 Keyboard Introduction The keyboard introduction of this series power supplies is shown as follows. Copyright © Itech Electronic Co., Ltd.
  • Page 15 Keys Description [Shift]+[V-set](Config) Enter the Config menu. Used to set the configuration parameters. [Shift]+[I-set](Function) Enter the Function menu. Used to set the list function, Battery test function.and battery simulation.. Copyright © Itech Electronic Co., Ltd.

  • Page 16: Rear Panel Introduction

    Remote sense used for maximizing measurement accuracy. terminals Optional Optional interfaces: (Plastic plugs are inserted by expansion slot default when the user does not purchase the interface.) The optional interface as follows: Copyright © Itech Electronic Co., Ltd.

  • Page 17: Home-Screen Overview

    Displays the present output voltage value. Output Current Displays the present output current value. Voltage Setting Displays the present voltage setting value.You can value change these value by pressing the [V-set] key on the front panel. Copyright © Itech Electronic Co., Ltd.

  • Page 18: Configuration Menu Reference

    Set the output-on delay time. Off Delay Set the output-off delay time. Displays when select CC priority, set to zero, instrument Off Voltage voltage falls to 0 quicklly, set to const, instrument voltage falls to 0 as usual. Copyright © Itech Electronic Co., Ltd.

  • Page 19: System Menu Reference

    When insert IT-E1206 communication board into USB+LAN expansion slot, the menu displays this information. USB communication interface. USB-TMC protocol Virtual serial port LAN communication interface. Lan Info View the LAN information. Status IP Mode Status IP Addr Sub Net Copyright © Itech Electronic Co., Ltd.
  • Page 20 Ping: Ping service state Telnet: telnet service state. Web: web service state. VXI-11: VXI-11 service state. Raw Socket: RAWSocket service state. Select whether to reset the LAN to the default settings or not. Restore Copyright © Itech Electronic Co., Ltd.
  • Page 21 When insert IT-E1209 communication board into expansion slot, the menu displays this information. Set the instruments to parallel operation mode. Parallel Single Set the instrument to single mode. Slave Set the instrument to slave mode. Copyright © Itech Electronic Co., Ltd.
  • Page 22 Remote interface trigger command, like *TRG Ext-Meter Set to the UUT temperature and total regenerative electric energy are Disp displayed on home screen. display on home screen. do not display on home screen. Copyright © Itech Electronic Co., Ltd.

  • Page 23: Models And Options

    Display the instrument running time. The alias of the instrument, which can be modified by the user to note Instr Alias information 1.8 Models and Options This series models include: Voltage(V) Current(A) Power(W) Model IT-M3412 IT-M3422 Copyright © Itech Electronic Co., Ltd.
  • Page 24 • Cabinet installation The IT-M series instruments can be mounted on a standard 19-inch cabinet. ITECH has prepared a special bracket for the user as a mounting kit. • Anti-reverse connection module The IT-M series instruments support the IT-E118 anti-reverse connection module to realize DC reverse connection protection, surge suppress, and sense reverse connection protection.
  • Page 25 485 to enable interface remote operation or external analog function, this option is the right choice. USB communication IT-E1209 When the user Optional interface needs to use USB interface to enable remote operation, Copyright © Itech Electronic Co., Ltd.
  • Page 26 After changing the communication card and analog card, you must re-start the instrument. It takes about 30 seconds for the instrument to automatically update the communication board before it is ready for use. Copyright © Itech Electronic Co., Ltd.

  • Page 27: Inspection And Installation

    System Bus interfaces between Multiple connection instruments in parallel operation, cables multichannel operation and synchronized operation features, this option is the right choice. Ex-Factory It is the test report of the instrument before Test Report delivery. Copyright © Itech Electronic Co., Ltd.

  • Page 28: Instrument Size Introduction

    The detailed dimension drawings of theIT-M3400series are as follows: (Unit: mm, allowable deviation value: ±1mm) 2.3 Rack Mounting This instrument can be installed on standard 19–inch rack. ITECH provides user with optional mount kit. The detailed information please refer to 1.8 Models...

  • Page 29: Connecting The Power Cord

    The disconnect device must be close to the equipment, be easily accessible, and be marked as the disconnect device for this equipment. Copyright © Itech Electronic Co., Ltd.
  • Page 30 1. Make sure that the front-panel power switch is in the OFF position. 2. Connect the female end of the supplied line cord to the AC receptacle on the rear panel. 3. Connect the plug of the power cord to a grounded AC outlet. Copyright © Itech Electronic Co., Ltd.

  • Page 31: Connecting The Device Under Test (Dut)

    Local measurement. If you need to use remote sensing, after making the connection, be sure to turn the sense function on under system menu. Precautions To prevent electric shock and damage to the instrument, observe the following precautions. Copyright © Itech Electronic Co., Ltd.
  • Page 32 For specifications of test cables and maximum current values, refer toA.1 Specifications of Red and Black Test Cables for more information. Connecting the DUT (Local Measurement) The connection diagram and steps of local measurement are as follows: Copyright © Itech Electronic Co., Ltd.
  • Page 33 The connection diagram and steps of remote sensing are as follows, taking the pluggable output terminals as an example. Copyright © Itech Electronic Co., Ltd.
  • Page 34 Rotate the knob to select On or Off, select On and press [Enter] to confirm. d. Press [Esc]key to exit. To ensure the stability of the system, use armored twisted-pair cables between the remote sense terminals and the equipment under test. Copyright © Itech Electronic Co., Ltd.

  • Page 35: Connect The Communication Interface

    2. Install the purchased communication card. Taking the LAN+USB interface card as an example, push the card into the slot and secure with the screws Copyright © Itech Electronic Co., Ltd.

  • Page 36: Usb Interface

    Take the USB+LAN communication card box as an example. If you install USB only, please refer to the actual interface position. 1. Refer to the USB connection diagram, connect the instrument and the computer using a cable with two USB interfaces (each end). Copyright © Itech Electronic Co., Ltd.

  • Page 37: Gpib Interface

    VCP: virtual serial port. Select this type, you need to install the corresponding driver (download from the ITECH website or contact ITECH agent). The device manager of PC will display ‘Prolific USB-to- Serial COM Port’ after installing. 6. After finishing the setting, press[Esc] to exit.

  • Page 38: Lan Interface

    PC, and the IP address should be at the same network segment with the PC’s IP address. • When the instrument and computer are connected to the router, an independent IP address must be assigned for the instrument. Copyright © Itech Electronic Co., Ltd.
  • Page 39 ♦ Position 2: When flashing, it indicates that the LAN port is receiving or sending a message. – Sub Net: This value is used to enable the instrument to determine if a client IP address is on the same local subnet. The same numbering Copyright © Itech Electronic Co., Ltd.
  • Page 40 When you set the IP address and the Gateway, if present display is one-digit as 192.168.200.1, you can press right and left keys to display 001 and modify the 1. 6. After setting, press [Esc] to exit. Copyright © Itech Electronic Co., Ltd.
  • Page 41 The first displayed menu item Lan Info Info is to view the LAN interface information. 4. Press [Enter] key to confirm. 5. Use left and right keys or rotate the knob to view the LAN interface 1.7 系统菜单表格 information. Refer to for more information. Copyright © Itech Electronic Co., Ltd.
  • Page 42 You must enable Web service if you wish to remotely control your instrument us- ing its built-in Web interface. Refer to LAN services setting for the detailed oper- ation procedures. • Up to six simultaneous connections are allowed. With additional connections, performance will be reduced. Copyright © Itech Electronic Co., Ltd.
  • Page 43 LAN Configuration: reconfigure the LAN parameters; • Security: change the password and control access to the Web interface; • Manual: go to the ITECH official website and view or download the relevant documents. • Logout: logout the Web interface. Copyright © Itech Electronic Co., Ltd.

  • Page 44: Interface

    The instruments allow up to six simultaneous socket connections to be made. ITECH instruments have SCPI socket services, which can be used to send and receive SCPI commands, queries, and query responses. All commands must be terminated with a newline for the message to be parsed. All query responses will also be terminated with a newline.
  • Page 45 5. Press [Esc] to exit. RS-232 Troubleshooting If you meet some problems when communicating with PC by RS-232 interface, please check the following items: • PC and power supply must have the same baud rate. Copyright © Itech Electronic Co., Ltd.

  • Page 46: Interface

    The user needs to configure the RS-485 interface parameters in the system menu before using the remote control. The RS-485 interface parameters are as follows. Name Description Baud rate Select the baud rate from the following options: 4800/9600/ 19200/38400/57600/115200 Data Bit 8(fixed) Copyright © Itech Electronic Co., Ltd.

  • Page 47: Can Interface

    CAN interface converter to connect to your computer according to the actual situation. Take the CAN to USB interface device as an example. Definition of CAN Pins The definition of CAN pins are as follows. Description TXD，transmit data RXD，receive data CAN_H IT-E1207 CAN_L Copyright © Itech Electronic Co., Ltd.
  • Page 48 The interface cable is correctly connected (CAN_H to CAN_H, CAN_L to CAN_L) • If the communication signal is poor or unstable, it is recommended to connect a 120 Ω terminating resistance. – The connection diagram of a single device is as below. Copyright © Itech Electronic Co., Ltd.
  • Page 49 Inspection and Installation – The connection diagram of multiple devices is as below. Copyright © Itech Electronic Co., Ltd.

  • Page 50: Getting Started

    The detachable power cord may be used as an emergency disconnecting device. Removing the power cord will disconnect AC input power to the unit. Copyright © Itech Electronic Co., Ltd.
  • Page 51 Wait until the power is turned off and then start again. If the problem still cannot be solved after restarting, please contact the ITECH engineer. Common error messages are shown in the following table:...

  • Page 52: Set Output Parameters

    Rotate the knob to set the data value at the cursor. The set value is in- creased with crosswise rotation, and decreased with counterclockwise rota- tion. When the knob is rotated to set parameters, automatic carrying is made Copyright © Itech Electronic Co., Ltd.

  • Page 53: Use The Front Panel Menu

    After entering the menu interface, the screen displays the optional menu. Rotate the knob or press left or right keys to view the menu items. When the number in front of the menu item is blinking, indicates this item is selected Copyright © Itech Electronic Co., Ltd.

  • Page 54: Output On/Off Control

    CC/CV and so on. If the [On/Off] key light is off, indicates that the output is turned off. The VFD displays that the power supply state is OFF. Copyright © Itech Electronic Co., Ltd.

  • Page 55: Output Function

    The following figure shows the CV/CC priority operating locus of the output. The area in the white quadrants shows the output as a source (sourcing power). The area in the shaded quadrants shows the output as a load (sinking power). CV priority mode: Copyright © Itech Electronic Co., Ltd.
  • Page 56 When the output voltage exceeds the over-voltage protection setting, the output will shut down. CC priority mode: Copyright © Itech Electronic Co., Ltd.

  • Page 57: Set The Output Voltage

    Under CV priority, press [V-set] to set the output voltage level. • Under CC priority, press [V-set] to set the voltage high limit value, and repeat press [V-set] to set the VH/VL limit value. This limit limits the output voltage to a specified range. Copyright © Itech Electronic Co., Ltd.

  • Page 58: Set The Output Current

    2. Rotate the knob to select V-Rise Time and press [Enter] to confirm. 3. Use left and right keys or knob to setting the V-Rise Time and press [Enter] to confirm. 4. Rotate the knob to select V-Fall Time and press [Enter] to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 59: Enable The Output

    3. Use right and left keys and knob to set the resistance value and press [Enter] to confirm. 4. Press [Esc] to exit. 4.8 Set the Output-On/Output-Off Delay You can set the output-on/output-off delay time within the range from 0 seconds to 10 seconds. Copyright © Itech Electronic Co., Ltd.
  • Page 60 2. Rotate the knob to select On Delay or Off Delay and [Enter]. 3. Use right and left keys or knob to set the delay time and press [Enter] to confirm. 4. Press [Esc] to exit. Copyright © Itech Electronic Co., Ltd.

  • Page 61: Advanced Function

    Edit the attribute parameters of List file Setup Mode Set the List running priority mode: • CC: Current mode. • CV: Voltage mode. I_Lim + High limit value of positive current, which needs to be Copyright © Itech Electronic Co., Ltd.
  • Page 62 Yes/No Insert Insert one step and set the step number to insert one Step step before the step. Add one step and set the step number to add one step Step after the step. Copyright © Itech Electronic Co., Ltd.
  • Page 63 Edit List = 1/10 3. Press [Enter] key for confirmation. Enter the List editing page. 1: List Setup 2: Edit Step= 1/1 3: Insert Step= 1/1 4: Add Step= 1/1 5: Delete Step= 1/1 Copyright © Itech Electronic Co., Ltd.
  • Page 64 “Insert Step= 2/6”: Insert one step before the selected Step 2 to add 1 step in Step 6; • “Add Step= 2/6”: Add one after the selected Step 2 to add 1 step in Step • “Delete Step= 2/6”: Delete the selected Step 2; Copyright © Itech Electronic Co., Ltd.
  • Page 65 6. Press [Esc] key, and exit the existing page. Run List file After the List files are edited, the user needs to enable the List function and re- turn to the main interface to trigger the running. Copyright © Itech Electronic Co., Ltd.

  • Page 66: Battery Charging/Discharging Test Function

    Time can't be modified. Cut Off V Cut Off I Cut Off Q Edit the battery charging/discharging test file. Edit Edit File= Select the test file, the total of file number is ten. 1/10 Copyright © Itech Electronic Co., Ltd.
  • Page 67 Edit Battery Test File 1. In the battery test function setting interface, select the Edit and enter to the edit file menu. Copyright © Itech Electronic Co., Ltd.
  • Page 68 After the battery test files are edited, the user needs to select Run to enable the battery test function and return to the main interface to trigger the running. 12.000V 10.000A 00:00:01 0.00Ah • First line: The voltage and current value. • Second line: testing time and battery capacity. Copyright © Itech Electronic Co., Ltd.

  • Page 69: Battery Emulation Function

    During Recall, the user can only view Properties the battery attribute, and cannot edit it. Full Volt: Battery voltage value under full state Empty Volt: Battery voltage value under empty state Inner R: Battery internal resistance value Capacity: Battery capacity Copyright © Itech Electronic Co., Ltd.
  • Page 70 Negative current limit value, maximum charge current of battery emulation group —EXIT— Return to the previous level Operation steps 1. Under the source mode, press [Shift]+[I-set](Function) composite key, en- ter the Function menu page. Copyright © Itech Electronic Co., Ltd.
  • Page 71 Serial: This function can emulate the state of several batteries in serial connection. For example, when “2” is set, the battery emulated in the in- strument is a battery group composed of two batteries in serial connection. Copyright © Itech Electronic Co., Ltd.
  • Page 72 3. Press [Enter] key. After confirmation, the instrument returns to the main in- terface, as shown below: 12.000V 10.000A 0.00AH 0.00%SOC • First line: Voltage and current value of existing circuit. • Second line: Capacity and state of charge of existing battery. Copyright © Itech Electronic Co., Ltd.
  • Page 73 Or, press Reset to restart a new test. When Reset is selected, the user needs to reset the state of charge of the existing bat- tery and re-start a new test. Copyright © Itech Electronic Co., Ltd.

  • Page 74: Protect Function

    Delay time. UUT Over-temperature protection. UUT OTP Turn the UUT OTP function off. UUT OTP point Level Under-current protection. Turn the UCP function off. Warm-up Warm-up time. Under-current protection point. Level Delay Delay time. Copyright © Itech Electronic Co., Ltd.

  • Page 75: Set Over-Voltage Protection

    Specifying an OVP delay lets the OVP circuit ignore these momentary changes during the specified delay period. Once the OVP delay time has expired and the over-voltage condition persists, the output will shut down. Copyright © Itech Electronic Co., Ltd.

  • Page 76: Set Over-Current Protection

    In most cases these momentary conditions would not be considered an over-current protection fault, and having an OCP condition disable the output when they occur would be a Copyright © Itech Electronic Co., Ltd.

  • Page 77: Set Over-Power Protection

    4. Rotate the knob to adjust the over-power limit Level and press [Enter] key to confirm. 5. Rotate the knob to adjust the delay time Delay and press [Enter] key to confirm. 6. Press [Esc] to exit. Copyright © Itech Electronic Co., Ltd.

  • Page 78: Set Under-Current Protection

    1. Press [Shift]+[R-set](Protect) to enter Protect menu interface. 2. Rotate the knob to select UCP and press [Enter] key to confirm. 3. rotate the knob to select On and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 79: Set Under-Voltage Protection

    Output under-voltage protection is for the DUT sensitive to the voltage under CV mode, under-voltage protection function allows the user to enable the protection and set a under-voltage limit (Level), delay time (Delay) and warm-up time ( Warm Up). An under-voltage protection will occur if: Copyright © Itech Electronic Co., Ltd.
  • Page 80 Status register, the UV status bit is set to 1; To clear the under-voltage and return to normal operation, firstly remove the conditions that caused the protection fault. Press [Esc] key (or send the command PROTection:CLEar) to clear the protection status. The “Under Copyright © Itech Electronic Co., Ltd.

  • Page 81: Uut Over-Temperature Protection

    Press [Esc] key (or send the command PROTection:CLEar) to clear the protection status. The “UUT Over Temperature” displayed in front panel is cleared and the instrument exits OCP status. Copyright © Itech Electronic Co., Ltd.

  • Page 82: Sense Abnormal Protection Function

    Sense abnormal protection status. 6.8 Over-Temperature Protection An Over Temp Protect will occur if: • The internal temperature of the instrument exceeds 85 degrees • Fan fault • The failure of internal temperature sensor. Copyright © Itech Electronic Co., Ltd.

  • Page 83: Set Foldback Protection

    If CV is selected, it indicates that the instrument triggers protection when the running mode is switched to CV mode. • If OFF is selected, it indicates that the foldback function is turned off. Copyright © Itech Electronic Co., Ltd.
  • Page 84 Press [Esc] key (or send command PROTection:CLEar) to clear the protection state. The Foldback Protect on the front panel of the instrument disappears, and the instrument exits the Foldback protection state. Copyright © Itech Electronic Co., Ltd.

  • Page 85: System-Related Functions

    Under CC priority mode: voltage setting value, current setting value and power setting value. Config menu Priority mode Output Resistance The saved settings in load mode include the following parameters . Copyright © Itech Electronic Co., Ltd.
  • Page 86 2. Rotate the knob to enter the number 1 to 10 and set the storage location, press [Enter] to save. Recall Operation 1. Press the composite keys [Shift]+ (Recall) or long press to enter the recall parameter interface. Recall File = 1 12.000V 10.000A description: Copyright © Itech Electronic Co., Ltd.

  • Page 87: Local/Remote Mode Switch

    2. Rotate the knob to select Beep and press [Enter] to confirm. 3. Rotate the knob to select On or Off and press [Enter] to confirm. 4. Press [Esc] to exit menu interface. At this point, the beeper status takes effect immediately. Copyright © Itech Electronic Co., Ltd.

  • Page 88: Set The Power-On State

    4. Press the [Esc] key to exit. 7.4.4 Set the Communication Information This menu item is used to set the communication information between instrument and PC. There is no standard communication interfaces for this Copyright © Itech Electronic Co., Ltd.

  • Page 89: Select Trigger Source

    2. Rotate the knob to select System Reset and press [Enter]. 3. Rotate the knob to select Yes or No and press [Enter] to confrim. • No: default value, indicates cancels this menu setting. • Yes: indicates the instrument restores the factory default settings. Copyright © Itech Electronic Co., Ltd.
  • Page 90 Single Parallel Mode Parallel Slave Group Parallel Master Group Parallel Master Total Link Mode On/Off Link Track Reference Ext Prog Chan Number Protect Menu OVP Mode OVP Level OVP Delay 10.00S OCP Mode Copyright © Itech Electronic Co., Ltd.

  • Page 91: Observe The Dut Temperature And Total Historical Regenerative Power

    10.000A 38.0℃ 1000.0Wh User can press the V-set and I-set and set voltage and current value, and the instrument will return to the home screen automatically after activity on the front panel has ceased. Copyright © Itech Electronic Co., Ltd.

  • Page 92: View The System Information

    Press the composite keys [Shift]+[P-set](System) to enter the system menu. b. Rotate the knob to select the External Meter and press [Enter] to confirm. c. The DUT temperature and total historical regenerative power are displayed on screen. 1：UUT Temp Copyright © Itech Electronic Co., Ltd.

  • Page 93: Observe The Regenerative Power And Capaticy

    2. Rotate the knob to select the External Meter and press [Enter] to confirm. 3. The DUT temperature, total historical regenerative power and capacity are displayed on screen. 1：UUT Temp 2：Re-Energy 3：AHour 4：WHour 5：Reset Meas 6：Reset ReE • UUT Temp: indicates the DUT temperature. Copyright © Itech Electronic Co., Ltd.

  • Page 94: External Analog Function (Optional)

    There is safe electrical isolation between the analog interface and the DC terminal. Do not connect any ground wire of the analog interface to the DC+ or DC- terminal on the instrument’s rear panel. Copyright © Itech Electronic Co., Ltd.
  • Page 95 Vol_Pro), 18 (Vref+) and 19 (Vref-). 2, 7, 12 Unused – – On/Off_ In Digital Control the On/Off state of the instru- input ment. When 0V is input, the instrument state is switched to Off; when 5V is Copyright © Itech Electronic Co., Ltd.
  • Page 96 Cur_MON Analog Monitor current. The output range output varies under different modes. • output –10V ~ 10V voltage value to monitor the output or absorption current between negative full range and positive full scale; Copyright © Itech Electronic Co., Ltd.
  • Page 97 5V; when the instrument is Off, this pin outputs 0V. Enable/disable analog control 1. Press [Shift]+[P-Set](System) composite key, and enter the System menu interface. 2. Rotate the knob, select I/O Config, and press [Enter] key for confirmation. Copyright © Itech Electronic Co., Ltd.
  • Page 98 0V ~ 10V between pin 1 (Vol_Pro) and pin 3/4/5/6 (AGND) of the analog interface. – Positive current limit setting (I_Lim+): Connect an external DC power supply capable of outputting 0V ~ 10V between pin 17 (Cur/Vol_Pro) and pin 3/4/5/6 (AGND) of the analog interface. Copyright © Itech Electronic Co., Ltd.
  • Page 99 Connect an external DC power supply capable of outputting 0V and 5V be- tween pin 8 (On/Off_In) and 21 (GND) of the analog interface. Other analog input pins should also be connected correctly. The wiring method is shown in the figure below. Copyright © Itech Electronic Co., Ltd.
  • Page 100 The wiring method is shown in the figure below. The 0 ~ 10V voltage reading corresponds to the power/load voltage and current output/input be- tween zero and full scale. The wiring diagram is shown in the figure below. Copyright © Itech Electronic Co., Ltd.

  • Page 101: Anti-Reverse Connection Module Function (Optional)

    Anti-reverse connection of the DC output terminal • Isolated from the wiring of the energy-storage DUT • Surge suppress • Sense reverse connection protection The dimension figure of the IT-E118 anti-reverse connection module is as follows: Copyright © Itech Electronic Co., Ltd.
  • Page 102 Sense to On state in the system menu and detects the SENSE state; if the connection fails or there is any abnormality, report the protection prompt that SENSE fails to detect voltage. Press [Esc] to exit. Copyright © Itech Electronic Co., Ltd.
  • Page 103 During this period, the output and input cannot be turned on by the master unit, and the power and load modes cannot be switched. However, the user can enter the System menu to configure related parameters. Copyright © Itech Electronic Co., Ltd.

  • Page 104: Multi-Machine Operation

    Multi-channel systems can be composed of single units of the same series and different models. The following is a general introduction to these three functions: • Multi-channel operation: Copyright © Itech Electronic Co., Ltd.

  • Page 105: Multi-Channel Function

    Up to 16 * 16 channels, each instrument in the control system can be controlled independently in software, and each channel can be operated completely independently. Copyright © Itech Electronic Co., Ltd.
  • Page 106 0–16. Press [Enter] to confirm. d. Repeat steps a through c to set the channel number for other instrument. 2. Connect the instruments according to the above diagram. Please disconnect the power before wiring. Copyright © Itech Electronic Co., Ltd.

  • Page 107: Synchronized Function (Link)

    Duplicate: in this mode, the synchronized operations includes: output on/off synchronization, voltage/current setting value changing synchronization, Save/Recall synchronization, priority mode synchronization, voltage/current rising/falling synchronization and Protect menu function synchronization. There are the following two synchronized status: Copyright © Itech Electronic Co., Ltd.
  • Page 108 1. Configure the channel number of each instrument. Please refer to 8.1 Multi- Channel Function for detailed introduction. 2. Connect the instruments according to the above diagram. a. Connect system bus interfaces. Copyright © Itech Electronic Co., Ltd.
  • Page 109 Online: indicates the instrument is in the synchronized relationship. • Offline: indicates the instrument is not in the synchronized relationship. d. Rotate the knob to set Mode and press [Enter] key to confirm. • OnOff Only • Track→Reference • Duplicate Copyright © Itech Electronic Co., Ltd.

  • Page 110: Parallel Function (Parallel)

    In the parallel system, the master unit executes all features, but you need to connect all units output terminals to DUT due to the output terminals of a single unit can not deliver higher rated current. Copyright © Itech Electronic Co., Ltd.
  • Page 111 Use left and right keys or rotate the knob to select Parallel and press [Enter] key to make the parameter in modification. c. Rotate the knob to select Slave and press [Enter] key to confirm. d. Set Slave group to A and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.
  • Page 112 Rotate the knob to select Master and press [Enter] key to confirm. d. Set Master group to A and press [Enter] key to confirm. e. Set Master Total to 3 and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.
  • Page 113 Use left and right keys or rotate the knob to select Parallel and press [Enter] key to make the parameter in modification. c. Rotate the knob to select Single and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 114: Routine Maintenance

    To prevent electrical shock, disconnect the instrument from AC mains power and disconnect all test leads before cleaning. • Do not use detergent or solvents. • Do not disassemble the instrument and attempt to clean internally. Copyright © Itech Electronic Co., Ltd.

  • Page 115: Information Reference

    Sense Protect Over Temp Protect Line Drop Protect Reverse Protect Temp Sense Failure Fan Failure Power Down Soft Wdog Protect Undefine Prot The Key Is Locked! Remote Mode! RWT Mode! Save Successful Save Failed Copyright © Itech Electronic Co., Ltd.

  • Page 116: Contact Of Itech Engineers

    If there are still some problems, carefully read the Warranty and Limitation of Warranty in the preface of the manual. Confirm that your instrument complies with warranty service conditions. If after your warranty expires, ITECH offers repair services at competitive prices.

  • Page 117: Return For Repair

    4006-025-000 for technical support and services. 10.5 Return for Repair If your instrument fails during the warranty period, ITECH will repair or replace it under the terms of your warranty. After your warranty expires, ITECH offers repair services at competitive prices. Also you can purchase an extended maintenance service contract that exceeds the standard warranty period.
  • Page 118 If the original shipping container is unavailable, use a container that will ensure at least 10 cm (4 in.) of compressible packaging material around the entire instrument. Use static-free packaging materials. 3. Secure the container with strong tape or metal bands. Copyright © Itech Electronic Co., Ltd.

  • Page 119: Technical Specification

    Range -30A~30A Setup Resolution 10mA Accuracy ≤0.1%+0.1%FS Range 0-60V Setup Resolution Accuracy <0.1% Umax Range 0-1000mΩ Internal Resistance Setup Resolution 0.1mΩ (CV Priority mode) Accuracy 2%*Rmax Range -200W~200W Setup Resolution 0.1W Accuracy <1.0% Pmax Copyright © Itech Electronic Co., Ltd.
  • Page 120 ≤0.05% Imax Ripple Voltage ≤100mVp-p Ripple Current ≤30mArms value voltage rise/fall time Voltage(No load) Rise time Voltage(Full load) Rise time 10ms Voltage(No load) Fall time Voltage(Full load) Fall time Transient Response Voltage ≤2mS Time Copyright © Itech Electronic Co., Ltd.
  • Page 121 Storage temperature -20- 70℃ Noise 60dB External temperature measurement Measurement range -20℃——120℃ Measurement accuracy ±1℃ Measurement resolution 0.1℃ Efficiency Max. efficiency (Full-load） Communication（Optional） RS232/USB/RS485/CAN/LAN/GPIB/Analog Communication interfaces Mechanical parameters Size and weight 450mm*214mm*43.5mm Net weight Copyright © Itech Electronic Co., Ltd.

  • Page 122: M3422

    Output Read-back Range -30A~30A Read-back current Resolution Accuracy ≤0.1%+0.1%FS Range 0-60V Read-back Voltage Resolution Accuracy <0.1% Umax Range -400W~400W Read-back Power Resolution 0.1W Accuracy <1% Pmax Temperature Coefficient Temperature Voltage Temperature 100ppm/℃ Coefficient Coefficient Copyright © Itech Electronic Co., Ltd.
  • Page 123 External 0V~10V is 0~60V Voltage monitoring External 0V~10V is 0~60V Current programming External -10V~10V is -30A~30A Current monitoring External -10V~10V is -30A~30A AC parameters Voltage range 100VAC -240VAC 264VAC 90VAC Frequency 47Hz~63Hz Max. current (rms） 2Aac (AC220V) Copyright © Itech Electronic Co., Ltd.

  • Page 124: M3432

    Output Power -800W~800W Min. operating voltage 6V at -30A Range -30A~30A Setup Resolution 10mA Accuracy ≤0.1%+0.1%FS Range 0-60V Setup Resolution Accuracy <0.1% Umax Range 0-1000mΩ Internal Resistance Setup Resolution 0.1mΩ (CV Priority mode) Accuracy 2%*Rmax Copyright © Itech Electronic Co., Ltd.
  • Page 125 ≤0.05% Umax Load Regulation Current ≤0.05% Imax Voltage ≤0.05% Umax Line Regulation Current ≤0.05% Imax Ripple Voltage ≤100mVp-p Ripple Current ≤30mArms value voltage rise/fall time Voltage(No load) Rise time Voltage(Full load) Rise time 10ms Copyright © Itech Electronic Co., Ltd.
  • Page 126 Environment Working temperature 0- 40 °C Storage temperature -20- 70℃ Noise 60dB External temperature measurement Measurement range -20℃——120℃ Measurement accuracy ±1℃ Measurement resolution 0.1℃ Efficiency Max. efficiency (Full-load） Communication（Optional） RS232/USB/RS485/CAN/LAN/GPIB/Analog Communication interfaces Mechanical parameters Copyright © Itech Electronic Co., Ltd.

  • Page 127: M3413

    CR mode(CC Resolution Min.0.1Ω Priority mode) Rmin：(Vreal-Vmax*0.1%)/Rset -Imax*0.2% Rmax： Accuracy (Vreal+Vmax*0.1%)/Rset +Imax*0.2% Output Read-back Range -12A~12A Read-back Resolution current Accuracy ≤0.1%+0.1%FS Range 0-150V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Read-back Range -200W~200W Power Copyright © Itech Electronic Co., Ltd.
  • Page 128 Voltage programming External 0V~10V is 0~150V Voltage monitoring External 0V~10V is 0~150V Current programming External -10V~10V is -12A~12A Current monitoring External -10V~10V is -12A~12A AC parameters Voltage range 100VAC -240VAC 264VAC 90VAC Frequency 47Hz~63Hz Copyright © Itech Electronic Co., Ltd.

  • Page 129: M3423

    Output Voltage 0-150V Rated value Output Current -12A~12A ( 0 ℃-40 Output Power -400W~400W ℃) Min. operating voltage 15V at -12A Range -12A~12A Setup Resolution Accuracy ≤0.1%+0.1%FS Range 0-150V Setup Resolution 10mV Accuracy <0.1% Umax Copyright © Itech Electronic Co., Ltd.
  • Page 130 ≤0.05% Imax Voltage ≤0.05% Umax Line Regulation Current ≤0.05% Imax Ripple Voltage ≤300mVp-p Ripple Current ≤30mArms value voltage rise/fall time Voltage(No load) Rise time 20ms Voltage(Full load) Rise time 50ms Voltage(No load) Fall time 20ms Copyright © Itech Electronic Co., Ltd.
  • Page 131 Storage temperature -20- 70℃ Noise 60dB External temperature measurement Measurement range -20℃——120℃ Measurement accuracy ±1℃ Measurement resolution 0.1℃ Efficiency Max. efficiency (Full- load） Communication（Optional） RS232/USB/RS485/CAN/LAN/GPIB/Analog Communication interfaces Mechanical parameters Size and weight 450mm*214mm*43.5mm Net weight Copyright © Itech Electronic Co., Ltd.

  • Page 132: M3433

    Rmin：(Vreal-Vmax*0.1%)/Rset -Imax*0.2% Rmax： Accuracy (Vreal+Vmax*0.1%)/Rset +Imax*0.2% Output Read-back Range -12A~12A Read-back Resolution current Accuracy ≤0.1%+0.1%FS Range 0-150V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Range -800W~800W Read-back Resolution 0.1W Power Accuracy <1% Pmax Copyright © Itech Electronic Co., Ltd.
  • Page 133 External 0V~10V is 0~150V Current programming External -10V~10V is -12A~12A Current monitoring External -10V~10V is -12A~12A AC parameters Voltage range 100VAC -240VAC 264VAC 90VAC Frequency 47Hz~63Hz Max. current (rms） 4Aac (AC220) >0.98（Lead or Lag） Power factor PF Copyright © Itech Electronic Co., Ltd.

  • Page 134: M3414

    Output Current -6A~6A ( 0 ℃-40 Output Power -200W~200W ℃) Min. operating voltage 30V at -6A Range -6A~6A Setup Resolution Accuracy ≤0.1%+0.1%FS Range 0-300V Setup Resolution 10mV Accuracy <0.1% Umax Internal Range 0-1000mΩ Resistance Copyright © Itech Electronic Co., Ltd.
  • Page 135 Regulation Current ≤0.05% Imax Ripple Voltage ≤600mVp-p Ripple Current ≤30mArms value voltage rise/fall time Voltage(No load) Rise time 20ms Voltage(Full load) Rise time 50ms Voltage(No load) Fall time 20ms Voltage(Full load) Fall time 20ms Copyright © Itech Electronic Co., Ltd.
  • Page 136 Storage temperature -20- 70℃ Noise 60dB External temperature measurement Measurement range -20℃——120℃ Measurement accuracy ±1℃ Measurement resolution 0.1℃ Efficiency Max. efficiency (Full- load） Communication（Optional） RS232/USB/RS485/CAN/LAN/GPIB/Analog Communication interfaces Mechanical parameters Size and weight 450mm*214mm*43.5mm Net weight Copyright © Itech Electronic Co., Ltd.

  • Page 137: M3424

    Rmin：(Vreal-Vmax*0.1%)/Rset -Imax*0.2% Rmax： Accuracy (Vreal+Vmax*0.1%)/Rset +Imax*0.2% Output Read-back Range -6A~6A Read-back Resolution 0.1mA current Accuracy ≤0.1%+0.1%FS Range 0-300V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Range -400W~400W Read-back Resolution 0.1W Power Accuracy <1% Pmax Copyright © Itech Electronic Co., Ltd.
  • Page 138 External 0V~10V is 0~300V Current programming External -10V~10V is -6A~6A Current monitoring External -10V~10V is -6A~6A AC parameters Voltage range 100VAC -240VAC 264VAC 90VAC Frequency 47Hz~63Hz Max. current (rms） 2Aac (AC220V) DC Offset -0.1A~+0.1A Copyright © Itech Electronic Co., Ltd.

  • Page 139: M3434

    ℃) Min. operating voltage 30V at -6A Range -6A~6A Setup Resolution Accuracy ≤0.1%+0.1%FS Range 0-300V Setup Resolution 10mV Accuracy <0.1% Umax Range 0-1000mΩ Internal Resistance Setup Resolution 0.1mΩ (CV Prior- ity mode) Accuracy 2%*Rmax Copyright © Itech Electronic Co., Ltd.
  • Page 140 Voltage ≤600mVp-p Ripple Current ≤30mArms value voltage rise/fall time Voltage(No load) Rise time 20ms Voltage(Full load) Rise time 50ms Voltage(No load) Fall time 20ms Voltage(Full load) Fall time 20ms Transient Voltage Response ≤2mS Time Copyright © Itech Electronic Co., Ltd.
  • Page 141 Storage temperature -20- 70℃ Noise 60dB External temperature measurement Measurement range -20℃——120℃ Measurement accuracy ±1℃ Measurement resolution 0.1℃ Efficiency Max. efficiency (Full- load） Communication（Optional） RS232/USB/RS485/CAN/LAN/GPIB/Analog Communication interfaces Mechanical parameters Size and weight 450mm*214mm*43.5mm Net weight Copyright © Itech Electronic Co., Ltd.

  • Page 142: M3415

    Range -3A~3A Read-back Resolution 0.1mA current Accuracy ≤0.1%+0.1%FS Range 0-600V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Range -200W~200W Read-back Resolution 0.1W Power Accuracy <1% Pmax Temperature Coefficient Temperature Voltage Temperature 100ppm/℃ Coefficient Coefficient Copyright © Itech Electronic Co., Ltd.
  • Page 143 Current monitoring External -10V~10V is -3A~3A AC parameters Voltage range 100VAC -240VAC 264VAC 90VAC Frequency 47Hz~63Hz Max. current (rms） 1Aac (AC220V) DC Offset -0.1A~+0.1A Environment Working temperature 0- 40 °C Storage temperature -20- 70℃ Copyright © Itech Electronic Co., Ltd.

  • Page 144: M3425

    60V at -3A Range -3A~3A Setup Resolution Accuracy ≤0.1%+0.1%FS Range 0-600V Setup Resolution 10mV Accuracy <0.1% Umax Range 0-1000mΩ Internal Resistance Setup Resolution 0.1mΩ (CV Prior- ity mode) Accuracy 2%*Rmax Range -400W~400W Setup Resolution 0.1W Copyright © Itech Electronic Co., Ltd.
  • Page 145 Current ≤30mArms value voltage rise/fall time Voltage(No load) Rise time 30ms Voltage(Full load) Rise time 60ms Voltage(No load) Fall time 30ms Voltage(Full load) Fall time 30ms Transient Voltage Response ≤2mS Time Output Protection range Copyright © Itech Electronic Co., Ltd.
  • Page 146 Storage temperature -20- 70℃ Noise 60dB External temperature measurement Measurement range -20℃——120℃ Measurement accuracy ±1℃ Measurement resolution 0.1℃ Efficiency Max. efficiency (Full- load） Communication（Optional） RS232/USB/RS485/CAN/LAN/GPIB/Analog Communication interfaces Mechanical parameters Size and weight 450mm*214mm*43.5mm Net weight Copyright © Itech Electronic Co., Ltd.

  • Page 147: M3435

    Range -3A~3A Read-back Resolution 0.1mA current Accuracy ≤0.1%+0.1%FS Range 0-600V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Range -800W~800W Read-back Resolution 0.1W Power Accuracy <1% Pmax Temperature Coefficient Temperature Voltage Temperature 100ppm/℃ Coefficient Coefficient Copyright © Itech Electronic Co., Ltd.
  • Page 148 Current monitoring External -10V~10V is -3A~3A AC parameters Voltage range 100VAC -240VAC 264VAC 90VAC Frequency 47Hz~63Hz Max. current (rms） 4Aac (AC220V) >0.98（Lead or Lag） Power factor PF DC Offset -0.1A~+0.1A Harmonic THDI <5% Environment Copyright © Itech Electronic Co., Ltd.
  • Page 149 Storage temperature -20- 70℃ Noise 60dB External temperature measurement Measurement range -20℃——120℃ Measurement accuracy ±1℃ Measurement resolution 0.1℃ Efficiency Max. efficiency (Full- load） Communication（Optional） RS232/USB/RS485/CAN/LAN/GPIB/Analog Communication interfaces Mechanical parameters Size and weight 450mm*214mm*43.5mm Net weight Copyright © Itech Electronic Co., Ltd.

  • Page 150: Supplemental Characteristics

    Supplemental Characteristics Supplemental Characteristics Recommended calibration frequency: once a year Cooling style: fans Copyright © Itech Electronic Co., Ltd.

  • Page 151: A Appendix

    ♦ Specifications of Red and Black Test Cables A.1 Specifications of Red and Black Test Cables ITECH provides you with optional red and black test cables, which are sold indi- vidually and you can select for test. For specifications of ITECH test cables and maximum current values, refer to the table below.
  • Page 152 Larger diameter wire sizes will help minimize wire voltage drops. Twisting or bundling wires will help reduce transient voltage drops. Copyright © Itech Electronic Co., Ltd.
  • Page 153 Contact Us Thanks for purchasing ITECH products. In case of any doubts, please con- tact us as follows: 1. Visit ITECH website: www.itechate.com. 2. Select the most convenient contact method, for further information.

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