ITech IT-M3600 Series User Manual
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ITech IT-M3600 Series User Manual

Regenerative power system
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Regenerative Power System
IT-M3600 Series User Manual
Model: IT-M3600 Series
Version: V1.0/04,2020

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  • Page 1 Regenerative Power System IT-M3600 Series User Manual Model: IT-M3600 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

    4.2.1 List function....................53 4.2.2 Battery Charging/Discharging Test Function ..........58 4.2.3 Battery emulation function................61 4.2.4 Solar Photovoltaic Curve Simulation Function (SAS) ......... 65 4.3 Protect Function..................... 69 4.3.1 Set Over-Voltage Protection................ 70 Copyright © Itech Electronic Co., Ltd. VIII...
  • Page 11 9 Routine Maintenance ..................... 129 9.1 Instrument Self-Test..................... 129 9.2 Cleaning and Maintenance .................. 129 9.3 Information Reference ..................130 9.4 Contact of ITECH Engineers ................131 9.5 Return for Repair....................132 10 Technical Specification ....................134 10.1 IT-M3612......................134 10.2 IT-M3622......................
  • Page 12 10.8 IT-M3624......................166 10.9 IT-M3634......................171 10.10 IT-M3615......................178 10.11 IT-M3625......................182 10.12 IT-M3635......................187 11 Supplemental Characteristics ..................193 A Appendix ........................194 A.1 Specifications of Red and Black Test Cables ............. 194 Copyright © Itech Electronic Co., Ltd.

  • Page 13: Quick Reference

    Programmable voltage and current • 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 Load features: • High efficient power regeneration Copyright © Itech Electronic Co., Ltd.

  • Page 14: Front-Panel Overview

    VCP, RS485, analog and IO communication • High-speed measurement, keep 10 times / s update rate even connecting 16 stand-alone units 1.2 Front-Panel Overview The detailed descriptions of IT-M series front panel are shown as below. Copyright © Itech Electronic Co., Ltd.

  • Page 15: 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 16 Source mode:[R-set] key is invalid. Load mode:Set the resistance value. when the instrument in single mode, pressing the key also can switch to CR mode. [On/Off] Power supply output or load input on/off key Copyright © Itech Electronic Co., Ltd.
  • Page 17 The Protect parameters are different under Source mode and Load mode. [Shift]+[On/Off] Generate a local trigger signal. (Trigger) [Shift]+[Enter](lock) Turn the keyboard lock on or off. [Shift]+[Esc](Short) It is invalid in Source mode. Copyright © Itech Electronic Co., Ltd.

  • Page 18: Rear Panel Introduction

    Optional Optional interfaces: (Plastic plugs are inserted by expansion slot default when the user does not purchase the interface.) The optional interface as follows: • USB/LAN • GPIB • RS-232/CAN Copyright © Itech Electronic Co., Ltd.

  • Page 19: Home-Screen Overview

    [V-set] key on the front panel. Current Setting Displays the present current setting value, you can value change these value by pressing the [I-set] key on the front panel. Copyright © Itech Electronic Co., Ltd.
  • Page 20 Displays the present voltage setting value. In this value area, displays setting value according to present mode and is different under different mode. • Output status OFF: Output is disabled. • Displays the present output status when the output is enabled. Copyright © Itech Electronic Co., Ltd.

  • Page 21: Configuration Menu Reference

    Constant voltage single operation mode Constant current single operation mode Constant power single operation mode Constant resistance single operation mode CV+CC complex operation mode CV+CC CV+CR complex operation mode CV+CR CC+CR complex operation mode CC+CR Copyright © Itech Electronic Co., Ltd.

  • Page 22: System Menu Reference

    When the instrument is powered on, the instrument will remain the same settings as last time you turned Last+Off off the instrument, but the [On/Off] is OFF state. Sense Set the sense measurement function Copyright © Itech Electronic Co., Ltd.
  • Page 23 The following information only appear when Manual is selected. IP Addr Sub Net Gateway DNS1 DNS2 Server Configure the LAN services. Config mDNS: mDNS service state. Copyright © Itech Electronic Co., Ltd.
  • Page 24 Address: Set the instrument address to a number from 1 to 127. When insert IT-E1208 communication board into expansion RS485 slot, the menu displays this information. +Ext Analog Set external analog interface state. RS485 RS485 communication interface. Copyright © Itech Electronic Co., Ltd.
  • Page 25 Set multiple units to output on/off, Save/ Recall synchronization and voltage Track proportional changing. Set the voltage proportional Reference relationship among multiple units. Set multiple units to output on/off synchronization, voltage/current setting Duplicate value changing synchronization, Save/ Copyright © Itech Electronic Co., Ltd.
  • Page 26 System Select whether to restore the factory default settings or not. Reset System View the system information. Info Display the instrument model. Model Display the control board version. Display the communication board version. CommVer Copyright © Itech Electronic Co., Ltd.

  • Page 27: Models And Options

    The interface expansion slot provided on the rear panel of the IT-M series instrument allows users to flexibly expand according to their needs. Different interface cards can be selected to achieve different functions. Includes communication interface or external analog interface. • Cabinet installation Copyright © Itech Electronic Co., Ltd.
  • Page 28 Quick Reference 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 29 Cabinet installation kit IT-E154A When the Optional IT-E154B instrument needs to be installed in cabinet, this kit is needed. Please refer to 《IT-E154 User Manual 》 for detailed description about the installation method. Copyright © Itech Electronic Co., Ltd.
  • Page 30 Quick Reference 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 31: 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 32: Instrument Size Introduction

    The detailed dimension drawings of theIT-M3600series 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 Options, and the detailed operation please refer to the user manual of your purchased mount kit.

  • Page 33: Stacking Instruments

    A maximum of 10 instruments can be stacked. The stacking schematic diagram is as shown below. 2.5 Connecting the Power Cord Precautions To prevent electric shock and damage to the instrument, please observe the following precautions. Copyright © Itech Electronic Co., Ltd.
  • Page 34 The standard power cord types are as follows. Please select appropriate power cords appropriate to local voltage based on the specifications of power cords below. If purchased model fails to meet local voltage requirements, please contact distributor or factory for change. Copyright © Itech Electronic Co., Ltd.
  • Page 35 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 36: Connecting The Device Under Test (Dut)

    ON and cathode OFF are prohibited. • If you need to pull out the green output terminal, please lift it up and pull it out, otherwise it will damage the instrument. Copyright © Itech Electronic Co., Ltd.
  • Page 37 When the DUT consumes large current or the wires are too long, there is a voltage drop on the wires between DUT and output terminals of the power system. To maximize measurement accuracy, the power system provides the Copyright © Itech Electronic Co., Ltd.
  • Page 38 7. Power on the instrument. 8. Turn the sense function on. a. Press[Shift]+[P-Set](System) to enter into the system menu interface. b. Rotate the knob to select Sense and press [Enter] key to make the parameter in modification. Copyright © Itech Electronic Co., Ltd.

  • Page 39: 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 40: 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 41: 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 42: 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 43 ♦ 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 44 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 45 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 46 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 47 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 48: 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 49 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 50: 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 51: 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 52 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 53 Inspection and Installation – The connection diagram of multiple devices is as below. Copyright © Itech Electronic Co., Ltd.

  • Page 54: 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 55 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 56: Source Mode/ Load Mode Switch

    Under this mode, the instrument can achieve fast and continuous seamless switch between output and absorption current, which is applied in charging and discharging test of the battery. For functions supported under Source Mode, see Chapter 4 Power Supply Function. Copyright © Itech Electronic Co., Ltd.

  • Page 57: Set Output/Input Parameters

    Press knob to confirm the existing setting, which equals to [Enter] key. The knob can also be used for scrolling display of the menu items. After the menu interface is entered, rotate the knob for scrolling display of the menu items. Copyright © Itech Electronic Co., Ltd.

  • Page 58: Use The Front Panel 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 currently. Press [Enter] key to enter the selected menu item and press [Esc] to exit the menu. Copyright © Itech Electronic Co., Ltd.

  • Page 59: Output On/Off Control

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

  • Page 60: Power Supply 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 61 When the output voltage exceeds the over-voltage protection setting, the output will shut down. CC priority mode: Copyright © Itech Electronic Co., Ltd.

  • Page 62: 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 63: Set The Output Current

    4. Rotate the knob to select V-Fall Time and press [Enter] to confirm. 5. Use right and left keys or knob to setting the V-Fall Time and press [Enter] to confirm. 6. Press [Esc]exit. Copyright © Itech Electronic Co., Ltd.

  • Page 64: Enable The Output

    The procedures to set the output delay time are as follows. 1. Press [Shift]+[V-set](Config) to enter into the configuration menu interface. 2. Rotate the knob to select On Delay or Off Delay and [Enter]. Copyright © Itech Electronic Co., Ltd.

  • Page 65: Advanced Function

    Set the List running priority mode: • CC: Current mode. • CV: Voltage mode. I_Lim + High limit value of positive current, which needs to be set when the List running mode is CV prioritized. Copyright © Itech Electronic Co., Ltd.
  • Page 66 Add one step and set the step number to add one step Step after the step. Delete Delete the step and set the step number to delete the Step step. Copyright © Itech Electronic Co., Ltd.
  • Page 67 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 6: Delete All= 1/1 7: Copy File 1 To 1 Copyright © Itech Electronic Co., Ltd.
  • Page 68 • “Delete all= No/Yes”: When “Yes” is selected, clear all steps in the exist- ing List file, and recover all attribute values to system default values. When “No” is selected, do not clear steps. Copyright © Itech Electronic Co., Ltd.
  • Page 69 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. 1. Select the List file to be run in the Recall List. Copyright © Itech Electronic Co., Ltd.

  • Page 70: 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 71 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 72 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 73: 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 74 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 75 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 76 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 77: Solar Photovoltaic Curve Simulation Function (Sas)

    Set the name of the PV curve Inner file and recall the PV file Sas File stored inside the instrument. Edit Edit a fixed format PV curve. Set the maximum power. Set the maximum power voltage. Copyright © Itech Electronic Co., Ltd.
  • Page 78 This function cannot be used in the VFD screen. Filter Filter the input voltage of the instrument to reduce interference. The filtering speed is low speed. The filtering speed is medium speed. Fast The filtering speed is high speed. Copyright © Itech Electronic Co., Ltd.
  • Page 79 After the setting is completed, the system returns to the main interface of the SAS function. Select Curve file You can select the Curve file saved in the instrument to be in the Open state for later running. Copyright © Itech Electronic Co., Ltd.
  • Page 80 At this point, the instrument enters the SAS mode, and the VFD screen is displayed as the main interface of the system, waiting to trigger the User-defined curve to run. 4. Turn on the [On/Off]. perform the trigger operation. Copyright © Itech Electronic Co., Ltd.

  • Page 81: Protect Function

    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. Under-voltage protection. Copyright © Itech Electronic Co., Ltd.

  • Page 82: 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 83: Set Over-Current Protection

    OCP condition disable the output when they occur would be a nuisance. Specifying an OCP delay lets the OCP circuit ignore these Copyright © Itech Electronic Co., Ltd.

  • Page 84: 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. Delay time Copyright © Itech Electronic Co., Ltd.

  • Page 85: Set Under-Current Protection

    3. rotate the knob to select On and press [Enter] key to confirm. 4. Rotate the knob to adjust the warm-up time Warm Up and press [Enter] key to confirm. 5. Rotate the knob to adjust the under-current limit Level and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 86: Set Under-Voltage Protection

    • The output time exceeds the warm-up time; • The output voltage value is less than the set voltage protection point Level and the period is greater than the set protection delay time Delay. Copyright © Itech Electronic Co., Ltd.
  • Page 87 Press [Esc] key (or send the command PROTection:CLEar) to clear the protection status. The “Under Voltage Protect” displayed in front panel is cleared and the instrument exits UVP status. Copyright © Itech Electronic Co., Ltd.

  • Page 88: Set Foldback Protection

    FOLDBACK delay time is exceeded, the output is turned off. Clear foldback protection In case of output undervoltage protection, the instrument has the following responses: • The instrument output is turned off; • The buzzer beeps once; Copyright © Itech Electronic Co., Ltd.
  • Page 89 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 90: Load Function

    When select a single mode in Config menu such as CC/CV/CR/CP. The [V-set]/[I-set]/[R-set]/[P-set] keys can switch the CV/CC/CR/CP mode. For example, under CV mode, if you press [I-set] key, the present mode switch to CC mode and set the input current value. Copyright © Itech Electronic Co., Ltd.

  • Page 91: Single Operation Mode

    As shown in the following figure. For battery chargers or charging stations, CV mode can change their output voltage to ensure the precision of the charging current. • Constant Resistance Operation Mode (CR) Copyright © Itech Electronic Co., Ltd.

  • Page 92: Complex Operation Mode

    +CR modes, which can satisfy a wide range of test requirements. • The CC+CR mode is commonly used in the testing of voltage limiting, current limiting characteristics, constant voltage accuracy, and constant current accuracy of car chargers, which prevents over-current protection of car chargers. Copyright © Itech Electronic Co., Ltd.
  • Page 93 Under this mode, the load can automatically switch among CV, CR, CC and CP modes. It is suitable for lithium ion battery charger testing to get a complete V-I charging curve. Moreover, the auto mode can avoid damaging the UUT when the protection circuit is damaged. Copyright © Itech Electronic Co., Ltd.

  • Page 94: Battery Simulation Mode

    4. Rotate the knob and select “I-Fall” and press Enter to confirm. 5. Use knob or the right and left keys to adjust the I-Fall time and press [Enter] to confirm. 6. Press [Esc] to exit. Copyright © Itech Electronic Co., Ltd.

  • Page 95: Set The Input-On/Input-Off Delay Time

    When [On/Off] key is lit, indicates the input is disabled, the VFD displays load state is OFF. Except front panel and SCPI OUTPut ON /OUTPut OFF, you also can control the On/Off state through the 8th–pin of analog interface ( optional ) . Copyright © Itech Electronic Co., Ltd.

  • Page 96: Advanced Function

    CR: constant resistance mode • CP: constant power mode End State Set the running state after the list program is running over. • Normal: After the List program finishes running, the working mode and Copyright © Itech Electronic Co., Ltd.
  • Page 97 2. Rotate the knob, select “List”, and press [Enter] key for confirmation. Enter the List function setting page. 3. Rotate the knob to select running List file (Run), recalling List file (Recall) and editing List file (Edit) in successive. Copyright © Itech Electronic Co., Ltd.
  • Page 98 If the existing List file is a new and empty file, display Edit Step= 1/1. The user cannot select the number of step to be edited, and can only start editing from step 1. Copyright © Itech Electronic Co., Ltd.
  • Page 99 1: List Setup 2: View Step=1/6 4. Rotate the knob, select “List Setup”, and press [Enter] key for confirmation. Rotate the knob to view the attribute parameters of the List file in successive. Copyright © Itech Electronic Co., Ltd.
  • Page 100 The user can press Stop to stop existing test and turn off the List function. Or, press Reset to restart a new test. Copyright © Itech Electronic Co., Ltd.

  • Page 101: Battery Discharging Test Function

    Select desired battery test file number. Set the discharging current. Disch I Disch Set the discharging time. Time Cut Off Set the cut off voltage. Cut Off Set the cut off current. Cut Off Set the cut off capacity. Copyright © Itech Electronic Co., Ltd.
  • Page 102 1. In the battery test function setting interface, select the Recall and enter to the edit file menu. 2. Rotate the knob to set the number of List file to be recalled. At maximum of 10 battery test files can be recalled in this instrument. Copyright © Itech Electronic Co., Ltd.

  • Page 103: Short-Circuit Analog Function

    Under CC, CP and CR modes, maximum short-circuit current is 110% of current range. Under CV mode, short circuit current is equivalent to that constant voltage value of load is 0 V. Copyright © Itech Electronic Co., Ltd.

  • Page 104: Von Function

    When VON LATCH function is started, the load starts load test only when the power voltage rises and is higher than Von Point loading voltage. When the power voltage drops and is lower than Von Point unloading voltage, the load will unload. Copyright © Itech Electronic Co., Ltd.

  • Page 105: Protection Function

    The load current value is greater than the set current protection point Level and the period is greater than the set protection delay time Delay. Enable OCP 1. Press [Shift]+[R-set](Protect) to enter the protection menu. Copyright © Itech Electronic Co., Ltd.

  • Page 106: Set Over-Power Protection

    An over-power protection will occur if: • Enable OPP; • The output power value is greater than the set power protection point Level and the period is greater than the set protection delay time Delay. Copyright © Itech Electronic Co., Ltd.

  • Page 107: Set Under-Voltage Protection

    An under-voltage protection will occur if: • Enable UVP; • The input voltage value is less than the set voltage protection point Level and the period is greater than the set protection delay time Delay. Copyright © Itech Electronic Co., Ltd.
  • Page 108 Press [Esc] key (or send the command PROTection:CLEar) to clear the protection status. The Under Voltage Protect displayed in front panel is cleared and the instrument exits OPP status. Copyright © Itech Electronic Co., Ltd.

  • Page 109: 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 110 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 111: 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 112: Set The Power-On State

    4. Press the [Esc] key to exit. 6.4.4 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 113: 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 114 Von Level Von Mode Latch System Menu Beep PowerOn Reset Sense I/O Config Different status in different selected accessories Single Parallel Mode Parallel Slave Group Parallel Master Group Parallel Master Total Link Mode On/Off Copyright © Itech Electronic Co., Ltd.

  • Page 115: Observe The Dut Temperature And Total Historical Regenerative Power

    User can observe the information under the system menu, and also the user can set the menu to display the information on the home screen. The procedure as following: 1. Press the composite keys [Shift]+[P-set](System) to enter the System menu. Copyright © Itech Electronic Co., Ltd.

  • Page 116: View The System Information

    4. Press [Esc] to exit. 6.5 Measuring the DUT Temperature This series instrument features temperature measuring terminals (Temp, GND), is used to measure the DUT temperature. The operation procedures as following: 1. Connecting the test line Copyright © Itech Electronic Co., Ltd.

  • Page 117: Uut Over-Temperature Protection

    (Level). This function monitors the temperature of UUT and prevents the UUT damaged due to higher 外部温度测量。 temperature. The operation procedures refer to An UUT over-temperature protection will occur if: Copyright © Itech Electronic Co., Ltd.

  • Page 118: Sense Abnormal Protection Function

    “Sense Protect”. This protection can pre- vent the instrument from outputting high voltage when the Sense terminal is not wired or when the line is loosened or reverse-connected under Remote Meas- ure state, which may damage the DUT. Copyright © Itech Electronic Co., Ltd.

  • Page 119: Over-Temperature Protection

    To clear the OTP 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 prompt displayed in front panel is cleared and the instrument exits OTP status. Copyright © Itech Electronic Co., Ltd.

  • Page 120: External Analog Function (Optional)

    When the programmed signal frequency or amplitude ex- ceeds the output capacity, the instrument will automatically limit the output amplitude. When the input voltage exceeds 10V, the set value will be limited in the maximum rated value range. Copyright © Itech Electronic Co., Ltd.
  • Page 121 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 122 • Under the source mode, output – 10V ~ 10V voltage value to monitor the output or absorption current be- tween negative full range and posi- tive full scale; Copyright © Itech Electronic Co., Ltd.
  • Page 123 0V is input, do not clear fault. 21, 24 Ground- Grounding of all digital signals, includ- ing pins: 8 (On/Off_In), 9 (Power), 10 (CC), 11 (ALM), 20 (ALM_Clear), 22 (CV), 23 (On/Off) Copyright © Itech Electronic Co., Ltd.
  • Page 124 Analog interface remote control Through the analog input interface, the analog signal can be input to remotely set the outputor inputvoltage value or current value. In the IT-M3600 series re- generative power system , the voltage and current setting methods under the source mode and load mode are different.
  • Page 125 – Low voltage limit (V_Low): Connect an external DC power supply capa- ble of outputting 0V ~ 10V between pin 1 (Vol_Pro) and pin 3/4/5/6 (AGND) of the analog interface. The wiring method is as follows. Copyright © Itech Electronic Co., Ltd.
  • Page 126 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 127: Anti-Reverse Connection Module Function (Optional)

    When the user connects the battery and executes the battery charge and dis- charge test, select the IT-E118 anti-reverse connection module to realize DC re- verse connection protection, surge suppress, and sense reverse connection protection. Copyright © Itech Electronic Co., Ltd.
  • Page 128 Insert one end of the anti-reverse connection module to the DC output terminal and sense terminal of the instrument rear panel, and connect the other end to the test line of the DUT. Introduction of the wiring method: Copyright © Itech Electronic Co., Ltd.
  • Page 129 No SDS Module detected: Under the battery charge/discharge mode, if the prompt is given when the On/Off key on the front panel is pressed and SDS is not inserted, the user can select to continue the execution or detection of SDS module. Copyright © Itech Electronic Co., Ltd.
  • Page 130 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 131: 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 132: 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 133 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 134: 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 135 1. Configure the channel number of each instrument. Please refer to 7.1 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 136 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 137: 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 138 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 139 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 140 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 141: 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 142: Information Reference

    Under Current Protect Under Voltage Protect 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! Copyright © Itech Electronic Co., Ltd.

  • Page 143: 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 144: Return For Repair

    4006-025-000 for technical support and services. 9.5 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 145 ITECH recommends that you retain the original shipping carton for return shipments and always insure shipments. To ship the unit to ITECH for service or repair: 1. Download the ITECH maintenance service application from our website, complete it and place it in the box with the instrument.

  • Page 146: Technical Specification

    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 Range -200W~200W Setup Resolution 0.1W Copyright © Itech Electronic Co., Ltd.
  • Page 147 ≤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 Voltage(No load) Fall time Voltage(Full load) Fall time Copyright © Itech Electronic Co., Ltd.
  • Page 148 -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 Load specification Copyright © Itech Electronic Co., Ltd.
  • Page 149 Resolution current Accuracy ≤0.1%+0.1%FS Range 0-60V Read-back Resolution Voltage Accuracy <0.1% Umax Range 0.04-600Ω Read-back Resolution Min.0.001Ω Resistance Accuracy (1/Rmin)*2%: (0.04~60Ω), (1/Rmin)*5%: (60~600Ω) Range 0-200W Read-back Resolution 0.1W Power Accuracy <1% Pmax Temperature Coefficient Copyright © Itech Electronic Co., Ltd.

  • Page 150: M3622

    Source Mode Parameter IT-M3622 V1.2 Output Voltage 0-60V Output Current -30A~30A Rated value( 0 ℃-40 ℃) Output Power -400W~400W Min. operating voltage 6V at -30A Range -30A~30A Setup Resolution 10mA Accuracy ≤0.1%+0.1%FS Range 0-60V Copyright © Itech Electronic Co., Ltd.
  • Page 151 Coefficient Current Temperature 50ppm/℃ Coefficient Battery Test AH Range 0AH-300AH AH Measurement Accuracy 0.20% Resolution 0.001AH Regulation Voltage ≤0.05% Umax Load Regulation Current ≤0.05% Imax Voltage ≤0.05% Umax Line Regulation Current ≤0.05% Imax Ripple Copyright © Itech Electronic Co., Ltd.
  • Page 152 2Aac (AC220V) DC Offset -0.1A~+0.1A 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） Copyright © Itech Electronic Co., Ltd.
  • Page 153 Setup Resolution 0.1W Accuracy <1.0% Pmax Rising slope 30A/ms Dynamic Falling slope 30A/ms mode Min. rise time Input Read-back Range 0-30A Read-back Resolution current Accuracy ≤0.1%+0.1%FS Range 0-60V Read-back Resolution Voltage Accuracy <0.1% Umax Copyright © Itech Electronic Co., Ltd.
  • Page 154 Voltage monitoring External 0V~10V is 0~60V AC parameters Voltage range 100VAC -240VAC 264VAC 90VAC Frequency 47Hz~63Hz Max. current (rms） 2Aac (AC220V) DC Offset -0.1A~+0.1A Environment Working temperature 0- 40 °C Storage temperature -20- 70℃ Copyright © Itech Electronic Co., Ltd.

  • Page 155: M3632

    ℃) 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 (CV Priority mode) Setup Resolution 0.1mΩ Copyright © Itech Electronic Co., Ltd.
  • Page 156 0.20% Resolution 0.001AH Regulation Voltage ≤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 Copyright © Itech Electronic Co., Ltd.
  • Page 157 Harmonic THDI <5% 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 Copyright © Itech Electronic Co., Ltd.
  • Page 158 Rising slope 30A/ms Dynamic Falling slope 30A/ms mode Min. rise time Input Read-back Range 0-30A Read-back Resolution current Accuracy ≤0.1%+0.1%FS Range 0-60V Read-back Resolution Voltage Accuracy <0.1% Umax Range 0.04-600Ω Read-back Resistance Resolution Min.0.001Ω Copyright © Itech Electronic Co., Ltd.
  • Page 159 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 Working temperature 0- 40 °C Storage temperature -20- 70℃ Copyright © Itech Electronic Co., Ltd.

  • Page 160: M3613

    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 Range 0-1000mΩ Internal Resistance Setup Resolution 0.1mΩ (CV Prior- ity mode) Accuracy 2%*Rmax Range -200W~200W Copyright © Itech Electronic Co., Ltd.
  • Page 161 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 Output Protection range Copyright © Itech Electronic Co., Ltd.
  • Page 162 -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 Load Mode: Copyright © Itech Electronic Co., Ltd.
  • Page 163 Accuracy ≤0.1%+0.1%FS Range 0-150V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Range 0.25-1500Ω Read-back Resolution 0.01Ω Resistance Accuracy (1/Rmin)*2%: (0.25~100Ω), (1/Rmin)*5%: (100~1500Ω) Range 0-200W Read-back Resolution 0.1W Power Accuracy <1% Pmax Temperature Coefficient Copyright © Itech Electronic Co., Ltd.

  • Page 164: M3623

    ( 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 Range 0-1000mΩ Internal Resistance Setup Resolution 0.1mΩ Copyright © Itech Electronic Co., Ltd.
  • Page 165 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 Voltage(Full load) Fall time 20ms Copyright © Itech Electronic Co., Ltd.
  • Page 166 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 167 Read-back Resolution current Accuracy ≤0.1%+0.1%FS Range 0-150V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Range 0.25-1500Ω Read-back Resolution 0.01Ω Resistance Accuracy (1/Rmin)*2%: (0.25~100Ω), (1/Rmin)*5%: (100~1500Ω) Range 0-400W Read-back Resolution 0.1W Power Accuracy <1% Pmax Copyright © Itech Electronic Co., Ltd.
  • Page 168 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 169: M3633

    Accuracy 2%*Rmax Range -800W~800W Setup Resolution 0.1W Accuracy <1.0% Pmax Range 1.5-1000Ω 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 Copyright © Itech Electronic Co., Ltd.
  • Page 170 -12.5A or 12.5A 155V -810W or 810W External analog (optional) 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 Copyright © Itech Electronic Co., Ltd.
  • Page 171 Load Mode: Parameter IT-M3633 V1.2 Load Parameter Input Voltage 0-150V Rated value Input Current 0-12A ( 0 ℃-40 Input Power 0-800W ℃) Min. operating voltage 2V at 12A Range 0-12A Setup Resolution Accuracy ≤0.1%+0.1%FS Copyright © Itech Electronic Co., Ltd.
  • Page 172 Range 0-800W Read-back Resolution 0.1W Power Accuracy <1% Pmax Temperature Coefficient Voltage Temperature 100ppm/℃ Coefficient Temperature Coefficient Current Temperature 50ppm/℃ Coefficient Protection range 12.5A 155V 810W Short circuit test Current 13.2A External analog (optional) Copyright © Itech Electronic Co., Ltd.

  • Page 173: M3614

    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 Calculation method of resistance precision range in load mode: lower limit: 1/(1/ R+(1/R)*0.05+0.004) ; Upper limit: 1/(1/R-(1/R)*0.05-0.004) 10.7 IT-M3614 Source Mode Copyright © Itech Electronic Co., Ltd.
  • Page 174 0.1mA current Accuracy ≤0.1%+0.1%FS Range 0-300V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Range -200W~200W Read-back Resolution 0.1W Power Accuracy <1% Pmax Temperature Coefficient Voltage Temperature 100ppm/℃ Coefficient Temperature Coefficient Current Temperature 50ppm/℃ Coefficient Copyright © Itech Electronic Co., Ltd.
  • Page 175 External -10V~10V is -6A~6A 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℃ Noise 60dB Copyright © Itech Electronic Co., Ltd.
  • Page 176 Setup Resolution 10mV Accuracy <0.1% Umax Range 1-3000Ω Resolution Min.1Ω Accuracy (1/Rmin)*2%: (1~300Ω), (1/Rmin)*5%: (300~3000Ω) Range 0-200W Setup Resolution 0.1W Accuracy <1.0% Pmax Rising slope 6A/ms Dynamic Falling slope 6A/ms mode Min. rise time Copyright © Itech Electronic Co., Ltd.
  • Page 177 External 0V~10V is 0~6A Voltage programming External 0V~10V is 0~300V Voltage monitoring External 0V~10V is 0~300V AC parameters Voltage range 100VAC -240VAC 264VAC 90VAC Frequency 47Hz~63Hz Max. current (rms） 1Aac (AC220V) DC Offset -0.1A~+0.1A Environment Copyright © Itech Electronic Co., Ltd.

  • Page 178: M3624

    Output Current -6A~6A ( 0 ℃-40 Output Power -400W~400W ℃) 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 Output Range 0-1000mΩ Resistance Copyright © Itech Electronic Co., Ltd.
  • Page 179 ≤0.05% Umax Load Regulation Current ≤0.05% Imax Voltage ≤0.05% Umax Line 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 Copyright © Itech Electronic Co., Ltd.
  • Page 180 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 181 Range 0-6A 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 1-3000Ω Read-back Resolution 1Ω Resistance Accuracy (1/Rmin)*2%: (1~300Ω), (1/Rmin)*5%: (300~3000Ω) Range 0-400W Read-back Power Resolution 0.1W Copyright © Itech Electronic Co., Ltd.
  • Page 182 DC Offset -0.1A~+0.1A 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 Copyright © Itech Electronic Co., Ltd.

  • Page 183: M3634

    Accuracy 2%*Rmax Range -800W~800W Setup Resolution 0.1W Accuracy <1.0% Pmax Range 5-1000Ω 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 -6A~6A Read-back current Resolution 0.1mA Copyright © Itech Electronic Co., Ltd.
  • Page 184 -6.2A or 6.2A 305V -810W or 810W External analog (optional) Voltage programming External 0V~10V is 0~300V Voltage monitoring External 0V~10V is 0~300V Current programming External -10V~10V is -6A~6A Current monitoring External -10V~10V is -6A~6A Copyright © Itech Electronic Co., Ltd.
  • Page 185 Load Parameter Input Voltage 0-300V Rated value Input Current 0-6A ( 0 ℃-40 Input Power 0-800W ℃) Min. operating voltage 5V at 6A Range 0-6A Setup Resolution Accuracy ≤0.1%+0.1%FS Range 0-300V Setup Resolution 10mV Copyright © Itech Electronic Co., Ltd.
  • Page 186 Voltage Temperature 100ppm/℃ Coefficient Temperature Coefficient Current Temperature 50ppm/℃ Coefficient Protection range 6.2A 310V 810W Short circuit test Current 6.6A External analog (optional) Current programming External 0V~10V is 0~6A Current monitoring External 0V~10V is 0~6A Copyright © Itech Electronic Co., Ltd.
  • Page 187 Size and weight 450mm*214mm*43.5mm Net weight Load Mode: Parameter IT-M3634 V1.2 Load Parameter Input Voltage 0-300V Rated value Input Current 0-6A ( 0 ℃-40 Input Power 0-800W ℃) Min. operating voltage 5V at 6A Range 0-6A Copyright © Itech Electronic Co., Ltd.
  • Page 188 Accuracy (1/Rmin)*2%: (1~300Ω), (1/Rmin)*5%: (300~3000Ω) Range 0-800W Read-back Resolution 0.1W Power Accuracy <1% Pmax Temperature Coefficient Voltage Temperature 100ppm/℃ Coefficient Temperature Coefficient Current Temperature 50ppm/℃ Coefficient Protection range 6.2A 310V 810W Short circuit test Copyright © Itech Electronic Co., Ltd.
  • Page 189 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 Calculation method of resistance precision range in load mode: lower limit: 1/(1/ R+(1/R)*0.05+0.004) ; Upper limit: 1/(1/R-(1/R)*0.05-0.004) Copyright © Itech Electronic Co., Ltd.

  • Page 190: M3615

    Rmin：(Vreal-Vmax*0.1%)/Rset -Imax*0.2% Rmax： Accuracy (Vreal+Vmax*0.1%)/Rset +Imax*0.2% Output Read-back 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 Copyright © Itech Electronic Co., Ltd.
  • Page 191 External 0V~10V is 0~600V Current programming External -10V~10V is -3A~3A 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 Copyright © Itech Electronic Co., Ltd.
  • Page 192 Input Power 0-200W ℃) Min. operating voltage 10V at 3A Range 0-3A Setup Resolution Accuracy ≤0.1%+0.1%FS Range 0-600V Setup Resolution 10mV Accuracy <0.1% Umax Range 4-6000Ω Resolution Min.1Ω Accuracy (1/Rmin)*2%: (4~600Ω), (1/Rmin)*5%: (600~6000Ω) Range 0-200W Copyright © Itech Electronic Co., Ltd.
  • Page 193 3.3A External analog (optional) Current programming External 0V~10V is 0~3A Current monitoring External 0V~10V is 0~3A Voltage programming External 0V~10V is 0~600V Voltage monitoring External 0V~10V is 0~600V AC parameters Voltage range 100VAC -240VAC Copyright © Itech Electronic Co., Ltd.

  • Page 194: M3625

    R+(1/R)*0.05+0.004) ; Upper limit: 1/(1/R-(1/R)*0.05-0.004) 10.11 IT-M3625 Source Mode Parameter IT-M3625 V1.2 Source Parameter Output Voltage 0-600V Rated value Output Current -3A~3A ( 0 ℃-40 Output Power -400W~400W ℃) Min. operating voltage 60V at -3A Range -3A~3A Copyright © Itech Electronic Co., Ltd.
  • Page 195 <1% Pmax Temperature Coefficient Voltage Temperature 100ppm/℃ Coefficient Temperature Coefficient Current Temperature 50ppm/℃ Coefficient Regulation Voltage ≤0.05% Umax Load Regulation Current ≤0.05% Imax Voltage ≤0.05% Umax Line Regulation Current ≤0.05% Imax Ripple Ripple Voltage ≤1200mVp-p Copyright © Itech Electronic Co., Ltd.
  • Page 196 2Aac (AC220V) DC Offset -0.1A~+0.1A 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） Copyright © Itech Electronic Co., Ltd.
  • Page 197 Rising slope 3A/ms Dynamic Falling slope 3A/ms mode Min. rise time Input Read-back Range 0-3A Read-back Resolution 0.1mA current Accuracy ≤0.1%+0.1%FS Range 0-600V Read-back Resolution 10mV Voltage Accuracy <0.1% Umax Read-back Range 4-6000Ω Resistance Copyright © Itech Electronic Co., Ltd.
  • Page 198 47Hz~63Hz Max. current (rms） 2Aac (AC220V) DC Offset -0.1A~+0.1A 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 Copyright © Itech Electronic Co., Ltd.

  • Page 199: M3635

    0-1000mΩ Internal Resistance Setup Resolution 0.1mΩ (CV Prior- ity mode) Accuracy 2%*Rmax Range -800W~800W Setup Resolution 0.1W Accuracy <1.0% Pmax Range 20-1000Ω 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% Copyright © Itech Electronic Co., Ltd.
  • Page 200 Voltage(No load) Fall time 30ms Voltage(Full load) Fall time 30ms Transient Voltage Response ≤2mS Time Output Protection range -3.1A or 3.1A 610V -810W or 810W External analog (optional) Voltage programming External 0V~10V is 0~600V Copyright © Itech Electronic Co., Ltd.
  • Page 201 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 Load Mode: Parameter IT-M3635 V1.2 Load Parameter Rated value Input Voltage 0-600V ( 0 ℃-40 Input Current 0-3A ℃) Copyright © Itech Electronic Co., Ltd.
  • Page 202 Range 4-6000Ω Read-back Resolution 1Ω Resistance Accuracy (1/Rmin)*2%: (4~600Ω), (1/Rmin)*5%: (600~6000Ω) Range 0-800W Read-back Resolution 0.1W Power Accuracy <1% Pmax Temperature Coefficient Voltage Temperature 100ppm/℃ Coefficient Temperature Coefficient Current Temperature 50ppm/℃ Coefficient Protection range Copyright © Itech Electronic Co., Ltd.
  • Page 203 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 204 Technical Specification Calculation method of resistance precision range in load mode: lower limit: 1/(1/ R+(1/R)*0.05+0.004) ; Upper limit: 1/(1/R-(1/R)*0.05-0.004) Copyright © Itech Electronic Co., Ltd.

  • Page 205: Supplemental Characteristics

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

  • Page 206: 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 207 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 208 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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