ITech IT-M3100D Series User Manual
  1. Manuals
  2. Brands
  3. ITech Manuals
  4. Power Supply
  5. IT-M3100D Series
  6. User manual

ITech IT-M3100D Series User Manual

Dual-channel programmable dc power supply
Hide thumbs Also See for IT-M3100D Series:
Table of Contents

Advertisement

Quick Links

Download this manual
Dual-channel Programmable
DC Power Supply
IT-M3100D Series User Manual
Model: IT-M3142D
Version: V1.0 / 04，2022

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the IT-M3100D Series and is the answer not in the manual?

Questions and answers

Related Manuals for ITech IT-M3100D Series

Summary of Contents for ITech IT-M3100D Series

  • Page 1 Dual-channel Programmable DC Power Supply IT-M3100D Series User Manual Model: IT-M3142D Version: V1.0 / 04，2022...
  • 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 equipment 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; oth- erwise, 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

    4.1.5 Select Trigger Source(Trig Source)............. 47 4.1.6 Output Lock Control..................48 4.2 System-Related Operations................... 49 4.2.1 Set the Key Beeper..................49 4.2.2 Set the Power-on State ................49 4.2.3 Set the Communication Information ............50 Copyright © Itech Electronic Co., Ltd. VIII...
  • Page 11 6 Routine Maintenance ....................... 89 6.1 Instrument Self-Test ....................89 6.2 Cleaning and Maintenance ..................89 6.3 Contact of ITECH Engineers ................. 90 6.4 Return for Repair....................91 A Appendix .......................... 93 A.1 Specifications of Red and Black Test Cables ............93...

  • Page 12: Quick Reference

    ♦ Models and Options 1.1 Brief Introduction The IT-M3100D series power supply is a compact, high power density, high per- formance programmable DC power supply, provides fully isolated dual-channel output. To increase its mounting efficiency, a thin and lightweight design with 1U height and 1/2 rack width is adopted.

  • Page 13: Front-Panel Overview

    • Supporting various optional interfaces: GPIB/ USB/ RS-485/ RS-232/ CAN/ LAN/ External analog interface 1.2 Front-Panel Overview All of the IT-M3100D series power supplies have the same front panels. The de- tailed descriptions are shown as below. Name Description [Shift] key Composite key, combined with other keys to realize functions marked above keys.

  • Page 14: Keyboard Introduction

    Quick Reference 1.3 Keyboard Introduction The keyboard introduction of IT-M3100D series power supplies is shown as follows. Keys Description Switch channels. [On/Off] Turns the instrument output on or off. When lit, indicates that the output is enabled or on. [V-set] Sets the output voltage value.

  • Page 15: Home-Screen Overview

    Turn the keyboard lock on or off. 1.4 Home-Screen Overview IT-M3100D series power supplies run a self-test automatically when it is turned on. If the self-test finishes with no errors, the screen below is displayed. Copyright © Itech Electronic Co., Ltd.

  • Page 16: Prompt Information Reference

    Indicates the instrument is in remote control. Indicates the output is self-locked. Indicates the instrument is running the sys- System Selftest tem selftest. Indicates the instrument is switching to the Switch To Master Mode master mode. Copyright © Itech Electronic Co., Ltd.
  • Page 17 File is empty! Indicates the recalled file is empty. Indicates the list program is waiting for Waiting for Trigger trigger. Indicates the user needs to input the cali- Input Cal Code To Start: bration code Copyright © Itech Electronic Co., Ltd.

  • Page 18: Rear-Panel Overview

    Cal Is Initing… initializing. Indicates the calibration operation is Calibration Finished! finished. 1.6 Rear-Panel Overview The detailed descriptions of the IT-M3100D series power supplies are shown as below. Name Description Optional expan- Optional interfaces: (Plastic plugs are inserted by default when the sion slot user does not purchase the interface.)

  • Page 19: Front Panel Menu Reference

    Set the output-on delay time On Delay Range: 0.000~10; unit: second Set the output-off delay time Off Delay Range: 0.000~10; unit: second Set the sense function state. Sense • Off: Turn the sense function off. Copyright © Itech Electronic Co., Ltd.

  • Page 20: System Menu Reference

    Comm communication board.) No optional communication interfaces. None When insert IT-E1205 communication board into expansion GPIB slot, the menu displays this information. General purpose interface bus (GPIB) communication interface. Copyright © Itech Electronic Co., Ltd.
  • Page 21 Manual: manually con- figure the address of the instrument by entering values in the following six fields. The following informa- tion only appear when Manual is selected. • IP Addr • Sub Net Copyright © Itech Electronic Co., Ltd.
  • Page 22 Set external analog interface state. (External ana- Program log interface is optional.) Turn the external analog function off. Turn the external analog function on. RS485 RS485 communication interface. Display as the following format: baud rate_data bit_parity bit_stop bit. Copyright © Itech Electronic Co., Ltd.
  • Page 23 • CH1: Select channel 1. Sync Out • CH2: Select channel 2. The On/Off light is off, the pin outputs 0V low level; the On/Off light is on, the pin outputs 5V high level. Copyright © Itech Electronic Co., Ltd.

  • Page 24: Protect Function Menu Reference

    Turn the OVP function off. Turn the OVP function on. Over-voltage limit. Level Delay Delay time. Over-current protection. Turn the OCP function off. Turn the OCP function on. Level Over-current limit. Delay Delay time. Over-power protection. Copyright © Itech Electronic Co., Ltd.

  • Page 25: Advanced Function Menu Reference

    Function Function menu List 4.5 List Function 1.8 Models and Options IT-M3100D series models Model Voltage Current Power IT-M3131D 200W IT-M3141D 400W IT-M3132D 200W IT-M3142D 400W Options Copyright © Itech Electronic Co., Ltd.
  • Page 26 Cabinet installation This series instruments can be mounted on a standard 19-inch cabinet. ITECH has prepared a special bracket for the user as a mounting kit. The detailed descriptions of the options are as follows. The following optional accessories from ITECH are sold separately. Users need to purchase separately.
  • Page 27 Cabinet installation kit IT-E154A When the instrument Optional IT-E154B needs to be installed in IT-E154C cabinet, this kit is IT-E154D needed. Please refer to 《IT-E154 User Man- ual》 for detailed de- scription about the installation method. Copyright © Itech Electronic Co., Ltd.
  • Page 28 Power off the instru- ment before installing the communication card. After the communication card is installed, power on the instrument. At this time, the instrument takes about 30 seconds to update the com- munication board automatically. Copyright © Itech Electronic Co., Ltd.

  • Page 29: Inspection And Installation

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

  • Page 30: Instrument Size Introduction

    Please select appropriate space for installation based on the power supply size. The detailed sizes are shown as below. 2.3 Rack Mounting This instrument can be installed on standard 19-inch rack. ITECH provides user with optional mount kit. The detailed operation please refer to the User Manual of your mount kit.

  • Page 31: Connecting The Power Cord

    If purchased model fails to meet local voltage requirements, please con- tact distributor or factory for change. China United States & Europe England IT-E171 Canada & Japan IT-E173 IT-E174 IT-E172 Copyright © Itech Electronic Co., Ltd.

  • Page 32: Connecting The Device Under Test (Dut)

    ± output terminals. As shipped, the sense terminals are internally connected to the output terminals. This is referred to as Local measurement. If you need to use remote sensing, after making the connection, be sure to turn Copyright © Itech Electronic Co., Ltd.
  • Page 33 For specifications of test cables and maximum current values, refer A.1 Appendix→Specifications of Red and Black Test Lines for more information. Local Measurement The connection diagram and steps of local sensing are as follows. Copyright © Itech Electronic Co., Ltd.
  • Page 34 The connection diagram and steps of remote sensing are as follows. Copyright © Itech Electronic Co., Ltd.

  • Page 35: Connect The Communication Interface

    4.1.3 Set the Sense Function State for the detailed operations. 2.7 Connect the Communication Interface This series power supply has no standard-equipped communication interfaces. Users can purchase communication cards separately. Users can choose one of Copyright © Itech Electronic Co., Ltd.
  • Page 36 Use a small flat screwdriver to press the clip at the upper cover opening. b. At the same time, use another small flat screwdriver to stir the slots one by one from another opening of the upper cover, and push the plastic plug out. Copyright © Itech Electronic Co., Ltd.

  • Page 37: Usb Interface

    1. Refer to the USB connection diagram, Connect the power supply and the computer using a cable with two USB interfaces (each end). 2. Select the USB interface type in the system menu. a. Press [Shift]+[Display] (System) to enter into the system menu interface. Copyright © Itech Electronic Co., Ltd.

  • Page 38: Lan Interface

    • VCP: virtual serial port. Select this type, you need to install the corre- sponding driver (download from the ITECH website or contact ITECH agent) for win7 OS. The device manager of PC will display ‘Prolific USB-to-Serial COM Port’ after installing. No need to install VCP driver for win10 and above systems.
  • Page 39 IP address using AutoIP. AutoIP automatically assigns an IP address, Subnet Mask, and De- fault Gateway addresses on networks that do not have a DHCP server. Copyright © Itech Electronic Co., Ltd.
  • Page 40 3. Use left and right keys or rotate the knob to select LAN and press [Enter] key to confirm. 4. Use left and right keys or rotate the knob to select Lan Config and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.
  • Page 41 5. After setting, press [Esc] to exit. View LAN Interface Information The operation steps to view the LAN interface information are as follows. 1. Press [Shift]+[Display] (System) to enter into the system menu interface. Copyright © Itech Electronic Co., Ltd.
  • Page 42 The following figure is just as an example and the Web interface of different models are different. The actual shown page shall be subject to the connected instrument. 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. 2.7.2.2 Using Sockets The instruments allow up to six simultaneous socket connec- tions to be made.

  • Page 44: Can Interface

    TXD, transmit data RXD, receive data CAN_H IT-E1207 CAN_L CAN Configuration The user needs to configure the CAN interface parameters in the system menu before using the remote control. The CAN interface parameters are as follows. Copyright © Itech Electronic Co., Ltd.
  • Page 45 If the communication signal is poor or unstable, it is recommended to con- nect a 120 Ω terminating resistance. – The connection diagram of a single device is as below. – The connection diagram of multiple devices is as below. Copyright © Itech Electronic Co., Ltd.

  • Page 46: Gpib Interface

    Use left and right keys or rotate the knob to select GPIB and press [Enter] key to confirm. d. Rotate the knob to adjust the GPIB address and press [Enter] key to confirm. e. After finishing the setting, press [Esc] to exit. Copyright © Itech Electronic Co., Ltd.

  • Page 47: Interface

    Definition of RS-232 Pins The definition of RS-232 pins are as follows. Description TXD, transmit data RXD, receive data CAN_H IT-E1207 CAN_L RS-232 Connection Directly connected to the computer, as shown below: Copyright © Itech Electronic Co., Ltd.
  • Page 48 4. Rotate the knob to set the baud rate. 5. After finishing the setting, 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: Copyright © Itech Electronic Co., Ltd.

  • Page 49: Interface

    Pin13 are the A and B pins for RS-485. Refer to Analog interface for more information. RS-485 Configuration 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. Copyright © Itech Electronic Co., Ltd.
  • Page 50 3. Use left and right keys or rotate the knob to select RS485 and press [Enter] key to confirm. RS485 9600_8_None_1 4. Rotate the knob to set the baud rate. 5. After finishing the setting, press [Esc] to exit. Copyright © Itech Electronic Co., Ltd.

  • Page 51: Getting Started

    AC input power to the unit. Power Switch Introduction The power switch is located in the lower left corner of the front panel. The power switch is a button, and pressing once indicates ON and pressing again indicates OFF. Copyright © Itech Electronic Co., Ltd.
  • Page 52 Wait until the power is turned off and then start again. If the problem still cannot be solved after restart- ing, please contact the ITECH engineer. Common error messages are shown in the following table:...

  • Page 53: Set The Output Voltage

    1. Press [Shift]+[V-set] (Config) to enter the configuration menu page. 2. Use the knob or press the left and right direction keys to select P-Set, press [Enter] to confirm, and enter the setting interface. Copyright © Itech Electronic Co., Ltd.

  • Page 54: Use The Front Panel Menu

    Press [Esc] to return to the previous menu. When performing any function key operation, press [Esc] key to exit the function operation state. Please refer to 1.7 Front Panel Menu Reference for the detailed map of the front panel menus. Copyright © Itech Electronic Co., Ltd.

  • Page 55: Output On/Off Control

    VFD screen shows that the power supply status is OFF. You can turn the output of the two channels on or off simultaneously through the ALL On/Off on the front panel. Copyright © Itech Electronic Co., Ltd.

  • Page 56: Functions And Features

    ♦ Protection Function ♦ List Function ♦ External Analog Quantity Function (Option) IT-M3100D series power supplies have the following three operating modes: • Fixed mode: This is the default mode when the power supply is powered on. In fixed mode, the output parameters, protection function and such regular operations all can be set.

  • Page 57: Set The Output-On/Output-Off Delay Time

    This menu item is used to switch the power supply to local sensing or remote sensing. IT-M3100D series power supplies support two connection methods between power supply and device under test (DUT): Local sensing and Remote sensing. The remote sensing is used for maximizing measurement accuracy. (Refer to 2.6 Connecting the Device Under Test (DUT)

  • Page 58: Set The Bleeder State (Bleeder)

    3. Rotate the knob to select Off or On and press [Enter] key to confirm. 4.1.5 Select Trigger Source(Trig Source) This menu item is used to select the trigger source. IT-M3100D series power supply supports the following trigger sources: • Keypad: Select the front panel [Shift]+[On/Off] (Trigger) button as the trig- ger source;...

  • Page 59: Output Lock Control

    4. After setting, press [Enter] key to confirm. 4.1.6 Output Lock Control The IT-M3100D series power supply rear panel provides an output lock inter- face Lock±. The user can disable the power output by shorting the Lock+ and Lock– interfaces to prevent the from mishandling the power supply during the test and causing damage to the DUT.

  • Page 60: System-Related Operations

    3. Rotate the knob to select the value from the following options. • Reset: default value, indicates when the power supply is powered on, the power supply will initialize some settings and output state. Copyright © Itech Electronic Co., Ltd.

  • Page 61: Set The Communication Information

    TRIG± interface can trigger the instrument. • Trig Out: When the trigger source is set to Keypad or Bus and the trigger happens, the TRIG± interface generates a high pulse trigger signal. Copyright © Itech Electronic Co., Ltd.

  • Page 62: Restore The Factory Default Settings

    The detailed default parameters are listed in the following table. Parameter Default Value The setting values on the front panel Voltage Current Config menu CV Priority Mode V-Rise Time 0.001 S V-Fall Time 0.001 S I-Rise Time 0.001 S Copyright © Itech Electronic Co., Ltd.
  • Page 63 CAN Baud rate 250k CAN Address EXT-Program 9600_8_None_1 RS–485 Single Parallel Mode Link Status Offline On/Off Only Link Mode Chan Number Trig Trig Source Keypad Protect menu U Max Level U Min Level 0.00 V Copyright © Itech Electronic Co., Ltd.

  • Page 64: View The System Information

    CommVer The communication board version The serial number Last Cal Last calibration date 4.2.7 Switch Local/Remote Mode This series power supplies provide local operation and remote operation. The default mode is local operation mode. Copyright © Itech Electronic Co., Ltd.

  • Page 65: Key Lock Function

    1. Press [Shift]+[Left] (Save) to enter into the saving interface. 2. Set the storage location. Use knob to adjust a value from 1 to 10 on the prompt interface “Save File = 1” to set the storage location in non-volatile memory. Copyright © Itech Electronic Co., Ltd.

  • Page 66: Multi-Machine Operation

    The multi-machine operation refers to connecting multiple instruments accord- ing to a fixed wiring mode through the System Bus interface to realize multi- channel and synchronous control functions. The following is a general introduc- tion to these three functions: Copyright © Itech Electronic Co., Ltd.

  • Page 67: Multi-Channel Function

    PC, then the user can independently control each power supply of the system in the PC software. The following three power sup- plies are taken as an example to describe the connection and operation steps of multiple channels. Copyright © Itech Electronic Co., Ltd.
  • Page 68 Connect system bus interfaces. b. Connect the DUTs. Refer to 2.6 Connecting the Device Under Test (DUT) for more information about connection methods. c. Connect the power supply to PC. Copyright © Itech Electronic Co., Ltd.

  • Page 69: Parallel Function (Parallel)

    Foldback protection: When the Foldback settings of the two channels are the same, after combining, the default is the setting of CH1. When the Fold- back settings of the two channels are different, the Foldback will be turned Copyright © Itech Electronic Co., Ltd.
  • Page 70 Rotate the knob, select Single, and press [Enter] to confirm. 2. After the parameter setting is completed, the instrument will restart automati- cally. After restarting, the device will enter the 2-channel independent mode. Copyright © Itech Electronic Co., Ltd.

  • Page 71: Synchronized Function (Link)

    40 V and 50 V automatically. In the Track mode, the Save/Recall synchronization is only effective for the current setting value, and the voltage setting value is controlled by the Reference. Copyright © Itech Electronic Co., Ltd.
  • Page 72 In the synchronized status, you can set the On/Off delay time of each instru- ment to customize your test timing. Take the synchronized relationship among single power supply and multiple parallel groups for instance, the detailed connection method and procedures are as follows. Copyright © Itech Electronic Co., Ltd.
  • Page 73 Rotate the knob to set Status and press [Enter] key to confirm. • Online: indicates the instrument is in the synchronized relationship. • Offline: indicates the instrument is not in the synchronized relationship. Copyright © Itech Electronic Co., Ltd.

  • Page 74: Protection Function

    2. Use left and right keys or rotate the knob to select U-Max, U-Min, and press [Enter] key to confirm. 3. Rotate the knob to adjust the value and press [Enter] key to confirm. 4. Press [Esc] to exit the protection menu setting. Copyright © Itech Electronic Co., Ltd.

  • Page 75: Set Over-Voltage Protection

    4. Rotate the knob to adjust the over-voltage 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 the protection menu setting. Copyright © Itech Electronic Co., Ltd.

  • Page 76: Set Over-Current Protection

    3. Use left and right keys or rotate the knob to select On and press [Enter] key to confirm. 4. Rotate the knob to adjust the over-current limit Level and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 77: Set Over-Power Protection

    The buzzer sounds intermittently; • The interface displays “Over Power Protect” and flashes; • Status register, the OP status bit is set to 1. Enable OPP 1. Press [Shift]+[Esc] (Protect) to enter Protect menu interface. Copyright © Itech Electronic Co., Ltd.

  • Page 78: Over-Temperature Protection

    Press [On/Off] key to turn the output on. When you return power to the instrument, verify that the cooling fan is running. If not, please contact ITECH. Leaving the instru- ment turned on with the failure message displayed or with an in- operative cooling fan may result in damage to the instrument.

  • Page 79: Set Foldback Protection

    The user can use list function to create a test program made of multiple steps. Up to 10 programs (List1 to List10) can be created in the list mode for this series power supplies. Each list program can be made of up to 100 steps. The user Copyright © Itech Electronic Co., Ltd.
  • Page 80 Edit parameters for each step. Current/ Current value or voltage value. Voltage (The voltage appears when CV mode is selected; the current appears when CC mode is selected.) Slope Slope value (0.001~3600), unit: second. Copyright © Itech Electronic Co., Ltd.

  • Page 81: Edit List Program

    The detailed operation steps are as follows. 1. Press [Shift]+[I-set] (Function) to enter function menu interface. 2. Use left and right keys or rotate the knob to select List and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.
  • Page 82 Use knob to set the delete location and press [Enter] key. • If you need to delete all steps, select Delete all and press [Enter] key to confirm. Use knob to select Yes and press [Enter] key. Copyright © Itech Electronic Co., Ltd.

  • Page 83: Copy List Program

    At this point, the inter- face displays all steps and automatically locates at the selected step. 8. Use knob or left and right keys to view all steps. Copyright © Itech Electronic Co., Ltd.

  • Page 84: Run List Program

    Remote monitoring of output voltage/current measurement and CC/CV mode • Remote monitoring of output On/Off state, load status and fault status • Clear the instrument malfunction • RS-485 communication interface, please refer to 2.7.6 RS-485 Interface detailed description about the interface Copyright © Itech Electronic Co., Ltd.
  • Page 85 Sends the signal that is used to indicate the operation mode of the power supply. When the power supply is in CC mode, the pin generates 5 V. When the power supply is in CV mode, the pin generates 0 V. Copyright © Itech Electronic Co., Ltd.
  • Page 86 Signal output for indicating the output On/Off status of the power supply. When the output is turned on, the pin gener- ates 5 V; If the output is turned off, the pin generates 0 V. Ground Ground for digital inputs and outputs. Copyright © Itech Electronic Co., Ltd.
  • Page 87 • On: indicates enable this function. Before enabling the external analog function, verify that pin 1 (Vol_Pro) and pin 15 (Cur_Pro) are connected correctly. 5. After finishing the setting, press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.
  • Page 88 60 V. If the maximum rated value is 30 A, and if the voltage source is set to 5 V, the setting current should be approximately 15 A. • Voltage Monitoring and Current Monitoring This function can monitor and read the output voltage and current values. Copyright © Itech Electronic Co., Ltd.
  • Page 89 120 V, and if the pin 14 generates 2.5 V, the output voltage should be ap- proximately 30 V. If the maximum rated value is 30 A, and if the pin 2 gener- ates 2 V, the output current should be approximately 6 A. Copyright © Itech Electronic Co., Ltd.

  • Page 90: Specification

    Power Resistance Voltage Read Back Resolution Current Power Voltage ≤0.03% + 0.02%FS Current ≤0.05% + 0.5%FS Setup Accuracy Power ≤1% + 1%FS Resistance Voltage ≤0.03% + 0.02%FS Read Back Accuracy Current ≤0.05% + 0.5%FS Copyright © Itech Electronic Co., Ltd.
  • Page 91 Remote Sense Compensation Voltage ≤2V Command Response Time Power Factor 0.98 Maximum Input Current Maximum Input Apparent Power 600VA Storage Temperature -20℃～70℃ Protective Function OVP\OCP\OTP Optional GPIB, USB, LAN, CAN, Standard Interface RS232, RS485 Copyright © Itech Electronic Co., Ltd.

  • Page 92: M3132D

    Line Regulation ±(％of Out- put+Offset) Current ≤0.05%+0.01%FS Voltage ≤0.01%+0.008%FS Load Regulation ±(％of Out- put+Offset) Current ≤0.05%+0.05%FS Voltage Current Setup Resolution Power Resistance Voltage Read Back Resolution Current Power Setup Accuracy Voltage ≤0.03% + 0.02%FS Copyright © Itech Electronic Co., Ltd.
  • Page 93 Readback stability-30min (％of Output +Offset) Current ≤0.1% + 0.2%FS Voltage ≤0.01% + 0.015%FS Readback stability-8h (％of Output +Offset) Current ≤0.1% + 0.25%FS Efficiency Remote Sense Compensation Voltage ≤2V Command Response Time Power Factor 0.98 Copyright © Itech Electronic Co., Ltd.

  • Page 94: M3141D

    Model: IT-M3141D CH1 & CH2 Voltage 0～30V Current 0～15A Rated value Power 0～400W Resistance Voltage ≤0.02%+0.005%FS Line Regulation ±(％of Out- put+Offset) Current ≤0.05%+0.01%FS Voltage ≤0.01%+0.008%FS Load Regulation ±(％of Output+Offset) Current ≤0.05%+0.05%FS Voltage Setup Resolution Current Copyright © Itech Electronic Co., Ltd.
  • Page 95 Setup stability-30min (％of Output +Offset) Current ≤0.1% + 0.2%FS Voltage ≤0.01% + 0.015%FS Setup stability-8h (％of Output +Offset) Current ≤0.1% + 0.25%FS Voltage ≤0.01% + 0.01%FS Readback stability-30min (％of Output +Offset) Current ≤0.1% + 0.2%FS Copyright © Itech Electronic Co., Ltd.

  • Page 96: M3142D

    Cooling Air cooling 　214mmW*43.5mmH*450mmD Dimensions without legs and terminals (mm) 　234mmW*476mmD*52.9mmH Overall dimension (mm) Weight( net) (5±0.5)kg 5.4 IT-M3142D Parameter Model: IT-M3142D CH1 & CH2 Voltage 0～60V Current 0～10A Rated value Power 0～400W Resistance Copyright © Itech Electronic Co., Ltd.
  • Page 97 Rise Time( full load ) Voltage ≤30ms Fall Time( no load ) Voltage ≤500ms Fall Time( full load ) Voltage ≤30ms Transient Response Time Voltage ≤1ms Voltage 100Vac～240Vac (rated power) AC Input Frequency 50/60Hz Copyright © Itech Electronic Co., Ltd.
  • Page 98 0～40℃ Fuse Specifications T15A Parallel Number ≤1 Series Number ≤1 Ingress Protection IP20 Production Compliance IEC 61010 Cooling Air cooling Dimensions without legs and terminals (mm) 　214mmW*43.5mmH*450mmD 　234mmW*476mmD*52.9mmH Overall dimension (mm) Weight( net) (5±0.5)kg Copyright © Itech Electronic Co., Ltd.

  • Page 99: Supplemental Characteristics

    Specification 5.5 Supplemental Characteristics State storage capacity: 10 sets Recommended calibration frequency: once a year Cooling style: fans Copyright © Itech Electronic Co., Ltd.

  • Page 100: Routine Maintenance

    During self-test, errors may be induced by signals present on ex- ternal wiring, such as long test leads that can act as antennae. 6.2 Cleaning and Maintenance To ensure the safety function and performance of the instrument, please clean and maintain the instrument properly. Copyright © Itech Electronic Co., Ltd.

  • Page 101: 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 re- pair services at competitive prices.

  • Page 102: Return For Repair

    4006-025-000 for technical support and services. 6.4 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 re- pair services at competitive prices. Also you can purchase an extended mainte- nance service contract that exceeds the standard warranty period.
  • Page 103 ITECH recommends that you retain the original shipping carton for return ship- ments 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 104: 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 105 Larger diameter wire sizes will help minimize wire voltage drops. Twist- ing or bundling wires will help reduce transient voltage drops. Copyright © Itech Electronic Co., Ltd.
  • Page 106 Facebook LinkedIn YouTube...

Table of Contents