ITech IT6000D Series User Manual
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ITech IT6000D Series User Manual

High power programmable dc power supply
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High Power Programmable
DC Power Supply
IT6000D Series User Manual
Model: IT6000D Series
Version: V2.1/05,2022

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Summary of Contents for ITech IT6000D Series

  • Page 1 High Power Programmable DC Power Supply IT6000D Series User Manual Model: IT6000D Series Version: V2.1/05,2022...
  • 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

    4.5.5 Set Under-Voltage Protection (UVP)............64 4.5.6 Over-Temperature Protection (OTP) ............65 4.5.7 Sense Reverse Protection................65 4.6 Function Menu for Power Supply................66 4.6.1 LIST Function ....................66 4.6.2 Battery Charging Test Function ..............77 Copyright © Itech Electronic Co., Ltd. VIII...
  • Page 11 7 Routine Maintenance ..................... 157 7.1 Instrument Self-Test ..................... 157 7.2 Cleaning and Maintenance .................. 157 7.3 Contact of ITECH Engineers ................158 7.4 Return for Repair....................159 A Appendix ........................161 A.1 Specifications of Red and Black Test Cables ............161 A.2 Troubleshooting....................

  • Page 12: Quick Reference

    ♦ Options Introduction 1.1 Brief Introduction The IT6000D series High power Programmable DC Power Supply supports a variety of output capabilities to satisfy different test requirement such as high current and low voltage or high voltage and low current. Meanwhile, units of the same model can be run in parallel to deliver stronger output capacity.
  • Page 13 When the Sense function is turned on, it can ensure that the DUT is safe in case of reverse connection or open circuit of the Sense line. The IT6000D series was designed to allow paralleling of multiple units to cre- ate larger power systems. Expandable in master and slave parallel Up to 1152kW.

  • Page 14: Front-Panel Overview

    1.2 Front-Panel Overview For the IT6000D series High power Programmable DC Power Supply, all front panels of the 3U model are the same, and the operation panels of other models are the same as those of the 3U model. The following is the front panel sche- matic of the 3U model.

  • Page 15: Keyboard Introduction

    3 Function and composite keys 7 Vent hole 4 Numeric and composite keys 8 USB storage device connection port 1.3 Keyboard Introduction The keyboard introduction of IT6000D series High power Programmable DC Power Supply is shown as follows. Keys Description [On/Off] Turn the power supply output on or off.
  • Page 16 Up / Down The up and down navigation keys are used to scroll page up navigation and down to view menu items. keys [Enter] Operation confirmation key Copyright © Itech Electronic Co., Ltd.

  • Page 17: Push-On Knob

    Save the common parameter settings. (Save) 1.4 Push-on Knob The IT6000D series High power Programmable DC Power Supply provides a knob on the front panel as shown in the next figure. The functions of the posh-on knob is described as follows.

  • Page 18: Rear Panel Introduction

    [Enter] key to confirm the operation. 1.5 Rear Panel Introduction The rear panel of the 3U model of the IT6000D series High power Program- mable DC Power Supply (after removing the protective cover) is shown below. The rear panel of the 6U model is the same as the 3U model.

  • Page 19: Vfd Indicator Lamps Description

    11. AC power input terminals (L1, L2, L3, and PE) 12. Chassis ground terminal 1.6 VFD Indicator Lamps Description The IT6000D series High power Programmable DC Power Supply VFD indica- tor lamps description is as follows: Copyright © Itech Electronic Co., Ltd.

  • Page 20: Configuration Menu Function

    1.7 Configuration Menu Function This section gives an overview of the configuration menu of the IT6000D series power supply. The procedures to operate the configuration menu are as follows. 1. Press the composite keys [Shift]+[V-set] (Config) on the front panel to enter the configuration menu.
  • Page 21 0.100s the parameter setting of I-Fall Time will be displayed here. Set the internal resistance of the power Output Res supply. This parameter needs to be set only when Mode is set to CV. Copyright © Itech Electronic Co., Ltd.

  • Page 22: System Menu Function

    1.8 System Menu Function This Chapter offers a general introduction of system menus, allowing users to have a preliminary understanding of system functions of this IT6000D series. The steps of the system menu function are as follows: 1. Press the composite keys [Shift]+[P-set] (System) on the front panel to en- ter the system menu.
  • Page 23 Virtual LAN communication. After selecting this option, you also need to set the commu- nication parameters of the LAN, and the menu items are the same as those in the LAN menu (see below). Copyright © Itech Electronic Co., Ltd.
  • Page 24 Set the DNS server alter- nate address. If it is not in- volved, there is no need to set it. • Socket Port: 30000 Set the port number. Configure the LAN services. Serv-Conf MDNS: MDNS service state. • Copyright © Itech Electronic Co., Ltd.
  • Page 25 BMS: Use the protocol for docking with the BMS system. Display RS232 RS232 Select RS-232 communication interface. or GPIB accord- Baud rate: 4800/9600/19200/38400/57600/ ing to optional in- Baudrate 115200 terface. In addition, RS232 Data bit: 5/6/7/8 Databit interface and the Copyright © Itech Electronic Co., Ltd.
  • Page 26 Used to control whether the voltage is quickly zeroed after the output is turned off. System Rzero • Off: No • On: Yes View the system information. For details, see 5.14 View the System In- System Info formation (System Info). Copyright © Itech Electronic Co., Ltd.

  • Page 27: Options Introduction

    Quick Reference 1.9 Options Introduction The IT6000D series High power Programmable DC Power Supply supports the following types of optional accessories (sold separately), the details are as below: • Optional interface card – IT-E166: Interface card for GPIB communication. When users need to use GPIB communication, they can choose to purchase this accessory.
  • Page 28 • IT-E165B: Anti electromotive force module It is suitable for motor products, which can prevent the electromotive force generated during the operation of the motor from damaging the power sup- ply products. Copyright © Itech Electronic Co., Ltd.

  • Page 29: Inspection And Installation

    Transportation If you need to transport non-cabinet products, you must pay attention to the fol- lowing to ensure the safety of equipment and personnel. Copyright © Itech Electronic Co., Ltd.
  • Page 30 After unpacking the cabinet product, if you need to move it to other places, you must pay attention to the following matters to ensure the safety of equipment and personnel. Copyright © Itech Electronic Co., Ltd.
  • Page 31 • ITECH 27U and 37U cabinets are equipped with hoisting rings as standard on the top. It is recommended to use a crane equipped with a four-leg hoisting belt structure for horizontal hoisting and moving, and ensure that the four hoisting belts are the same length to avoid cabinet skew during movement.

  • Page 32: Verifying The Shipment

    Upon verification of the shipment, keep the package and relevant contents thereof in a safe place. When returning the instrument for warranty service or repair, the specified packing requirements shall be met. Copyright © Itech Electronic Co., Ltd.

  • Page 33: Instrument Size Introduction

    2.3 Instrument Size Introduction The instrument should be installed at well-ventilated and rational-sized space. Please select appropriate space for installation based on the instrument size. The detailed dimension drawings of the IT6000D series are as follows (unit: mm, deviation: ±1 mm): 3U Models...

  • Page 34: Connecting The Power Cord

    Inspection and Installation 3U Slave Models 2.4 Connecting the Power Cord Precautions To prevent electric shock and damage to the instrument, observe the following precautions. Copyright © Itech Electronic Co., Ltd.
  • Page 35 Categories of Power Cords The standard power cord specifications for this series of 3U instruments are div- ided into the following types according to different regions: Copyright © Itech Electronic Co., Ltd.
  • Page 36 380VAC±10% for standard AC input voltage, 480VAC±10% voltage is required for customization. The instrument which rated power less than 15kW consumes different current on the three phases. Take the 5kW instrument for example, the rated AC current Copyright © Itech Electronic Co., Ltd.
  • Page 37 15kW to AC distribution box, For single unit, it requires three phases of a three-phase AC distribution box. In case multiple units are connected to the same main AC distribution box. It is recommended to follow the suggestion connection diagram as below. Copyright © Itech Electronic Co., Ltd.
  • Page 38 Operation procedures: • For 3U model (rated power less than or equal to 18kW), see the steps below to connect the power cable. Copyright © Itech Electronic Co., Ltd.
  • Page 39 The yellow-green wire is grounding wire, which is connected to the protective grounding terminal (PE). 5. Install the panel back in place. 6. Refer to the suggestion connection diagram, connect the other end of the power cable to the required AC distribution box. Copyright © Itech Electronic Co., Ltd.

  • Page 40: Connecting The Device Under Test (Dut)

    2.5 Connecting the Device Under Test (DUT) This section describes how to connect the test cables between the instrument and DUT. Precautions To prevent electric shock and damage to the instrument, observe the following precautions. Copyright © Itech Electronic Co., Ltd.
  • Page 41 Short circuit may cause severe accident. • Always use test cables provided by ITECH to connect the equip- ment. If test cables from other factories are used, please confirm the maximum current that the test cables can withstand.
  • Page 42 The protective case can completely seal the electrode, and the safety is better. 6U models and cabinet models are not involved in this change. The appearance and detailed size information of the protective case are as follows: Copyright © Itech Electronic Co., Ltd.
  • Page 43 (such as the European terminal), and fasten the matching screw with an in- sulating nut. If desired, a set of washers can be added between the insulating screw and the electrode. The installation is completed as shown in the figure below. Copyright © Itech Electronic Co., Ltd.
  • Page 44 6. Connect the other end of the red and black cables to the DUT. The positive and negative poles must be properly connected and fastened when wiring. Connecting the DUT (Remote Sensing) Remote measurement is available for the following scenarios: Copyright © Itech Electronic Co., Ltd.
  • Page 45 DUT to ensure the safe grounding. For the location information, see 1.5 Rear Panel Introduction. 7. Connect the other end of the remote sense cables to the DUT. Copyright © Itech Electronic Co., Ltd.

  • Page 46: Remote Interface Connection

    • VCP: Virtual serial port. For Win7 system, you can download IT6000 VCP driver from ITECH official website or contact technical support engineer; for Win10 system, you do not need to install VCP driver. The operation steps to change the USB interface type in System Menu are as follows.

  • Page 47: Lan Interface

    They are typically large, centrally-managed networks with services such as DHCP and DNS servers. When connected to a computer, a network cable can be used to connect to the router, and the computer is also con- nected to the router. Copyright © Itech Electronic Co., Ltd.
  • Page 48 1.8 System Menu Function for details. Configure LAN Interface Information The configurable parameters of the IT6000D series power supply are described as follows. IP-Conf • IP: This value is the Internet Protocol (IP) address of the instrument. An IP address is required for all IP and TCP/IP communications with the instru- ment.
  • Page 49 Conf. • Serv-Conf 1. Press the composite keys [Shift]+[P-set] (System) on the front panel to enter the system menu. 2. Rotate the knob or press the Up/Down key to select I/O and press [Enter]. Copyright © Itech Electronic Co., Ltd.
  • Page 50 The format of the address entered in the address bar of the browser is http:// 192.168.0.100. The specific IP address is subject to the actual instrument settings. The opened page is displayed as follows: Copyright © Itech Electronic Co., Ltd.
  • Page 51 This page allows you to monitor and control the instrument; • LAN Configuration: Reconfigure the LAN parameters; • Manual: Go to the ITECH official website and view or download the relevant documents. • Upload: Performs a system upgrade. Click CONNECT to connect the PC with the instrument, then click Select File to select the system upgrade installation package (for example, itech_6000_P.itech), and then click UPLOAD performs the upgrade op-...

  • Page 52: Can Interface

    Inspection and Installation 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 53: Gpib Interface (Optional)

    The GPIB (IEEE-488) interface is assembled in the IT-E166 communication board. Use a GPIB cable to connect GPIB interfaces of the instrument and PC. Please ensure that the screws have been screwed down in order to have a full connection. Copyright © Itech Electronic Co., Ltd.

  • Page 54: Interface (Optional)

    The definition of RS-232 pins are as follows. When using the RS-232 interface for communication, connect the pin 1, pin 2, and pin 3 of the IT-E167 to the PC. The pin description is as follows: Copyright © Itech Electronic Co., Ltd.
  • Page 55 The options are: N (no parity), O (odd parity), E (even parity). Stop bit The options are: 1/2 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 56 Make sure the correct cable and adapter are connected. Note that internal wiring may not be correct even if the cable has a suitable plug; • The cable must be connected to the correct serial ports (COM1, COM2, etc) of PC. Copyright © Itech Electronic Co., Ltd.

  • Page 57: Getting Started

    When you turn the POWER switch on for the first time after purchase, the instru- ment starts with its factory default settings. Each time thereafter, the instrument starts according to the setting that you selected as outlined in 5.6 Set the Power-on State (PowerOn). Copyright © Itech Electronic Co., Ltd.
  • Page 58 The status of Power switch is as follows. If the instrument is the cabinet type, the rear panel of the cabinet provides a master power switch. The relationships between the device status and switch status are listed in the following table. Copyright © Itech Electronic Co., Ltd.
  • Page 59 Error message Error Description Eeprom Failure The EEPROM is damaged. Main FrameInitializeLost The system setting data is lost. Calibration Data Lost The factory calibration data in EE- PROM is lost. Copyright © Itech Electronic Co., Ltd.
  • Page 60 2.4 Connecting the Power Cord to select proper AC input. 5. After multiple units are connected in parallel and powered on, the error re- lated to the fiber-optic is indicated. Please refer to the following steps for troubleshooting. Copyright © Itech Electronic Co., Ltd.

  • Page 61: Set Output Value

    Single mode, then power off and restart. Then consult ITECH technical support engineers for the parallel setting method in this case. 6. If the instrument still does not start, contact ITECH technical support engineer. 3.2 Set Output Value The voltage value, current value, power value can all be programmed.

  • Page 62: Use The Front Panel Menu

    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 63: On/Off Control

    DUT. If the power supply has no output after the output is turned on, check the voltage and current setting value, set the voltage and current to a non-zero value, and then turn on the output. Copyright © Itech Electronic Co., Ltd.

  • Page 64: Power Supply Function

    When [I-set] key is pressed, the key light is lit and the output current value can be set. Press numeric keys or rotate the knob to adjust the value in the current setting area indicated by the cursor. This value takes effect when you press [Enter]. Copyright © Itech Electronic Co., Ltd.

  • Page 65: Set The Output Power

    A current limit value should also be set. The current limit should always be set to a value that is greater than the actual input current requirement of the external load. The following figure shows the CV priority operating locus of the output. Copyright © Itech Electronic Co., Ltd.
  • Page 66 The following figure shows the CC priority oper- ating locus of the output. Copyright © Itech Electronic Co., Ltd.
  • Page 67 5. Press the down arrow key to set the voltage/current rise time. When finished, press [Enter]. 6. Set the other Config menu items in the same way. 7. Set the output voltage and current value. • CV priority Copyright © Itech Electronic Co., Ltd.

  • Page 68: Set The Internal Resistance

    Vlim, and the voltage lower limit is 0. 4.4.2 Set the Internal Resistance The IT6000D series power supply provides internal resistance setting (CV prior- ity mode only). The procedures are shown as below. 1. Press the composite keys [Shift]+[V-set] (Config) on the front panel to enter the configuration menu.
  • Page 69 Turn the UCP function on. Indicates the instrument warm-up time. This time is set to prevent the in- strument from triggering Warm-up protection when the cur- rent is rising. Because this transient condition should not be Copyright © Itech Electronic Co., Ltd.
  • Page 70 Specifying an protection delay (Delay) can ignore these momentary changes during the specified delay period. Once the delay time has expired and the protection limit condition persists, the output will shut down. Copyright © Itech Electronic Co., Ltd.
  • Page 71 After the protection is cleared, you need to press the [On/Off] key on the front panel or send the OUTPut ON command to the instrument to reopen [On/Off]. Copyright © Itech Electronic Co., Ltd.

  • Page 72: Set Over-Voltage Protection (Ovp)

    150V, 1S 4.5.2 Set Over-Current Protection (OCP) Users can enable the OCP function and set the protection limit Level and pro- tection delay time Delay. When the current (i.e., the Meter value) is greater than Copyright © Itech Electronic Co., Ltd.

  • Page 73: Set Over-Power Protection (Opp)

    Many reasons can cause OPP, the details are as follows: • The set protection limit Level is lower than the power Meter value. • The power supply outputs a high power due to a fault. Copyright © Itech Electronic Co., Ltd.

  • Page 74: Set Under-Current Protection (Ucp)

    2. Press the up/down key or rotate the knob to select 4. UCP (Off) and press [Enter]. 3. Press the left/right key or rotate the knob to select On and press [Enter] to enter the setting interface. Copyright © Itech Electronic Co., Ltd.

  • Page 75: Set Under-Voltage Protection (Uvp)

    [Enter] to confirm. The VFD screen returns to the Protect menu and the UVP setting (take 10S, 1V, 1S as an example) is displayed as follows: PROTECT 5.UVP 10S, 1V, 1.000S Copyright © Itech Electronic Co., Ltd.

  • Page 76: Over-Temperature Protection (Otp)

    When you return power to the instrument, verify that the cooling fan is running. If not, please contact ITECH Technical Support. Leaving the instrument powered on with an inoperative cooling fan may result in damage to the instrument.

  • Page 77: Function Menu For Power Supply

    Function). 4.6.1 LIST Function The IT6000D series power supply supports a total of 10 List files (List01 to List10), each of which can be set up to 200 steps. You need to edit the voltage/ current value, slope and time width of each step, or you can set repeat times (1 to 65535) for each List file.
  • Page 78 Last After the List program finishes run- ning, the output is kept as the set- ting in the last step, and the working mode remains as the set- ting in the List file. Copyright © Itech Electronic Co., Ltd.
  • Page 79 8. Set the number of list repetitions Repeat, and press [Enter] to confirm. 9. Set the End State as Normal, and press [Enter] to confirm. 10. Depending on the test requirement, choose whether to turn on the function switch that triggers synchronization. Copyright © Itech Electronic Co., Ltd.
  • Page 80 You can select a List file saved inside the instrument to be in the Open state and wait for subsequent triggers to run. The procedures are as follows: 1. Press the composite keys [Shift]+[I-set] (Function) on the front panel to en- ter the function menu. Copyright © Itech Electronic Co., Ltd.
  • Page 81 You can select a List file to execute according to your needs, so that the power supply outputs the corresponding waveform sequence. Take the List file in Internal as an example. The steps are as follows: Copyright © Itech Electronic Co., Ltd.
  • Page 82 Pause is selected, it means that the present running is suspended, and you can continue to run by selecting Resume. Copyright © Itech Electronic Co., Ltd.
  • Page 83 Import via U disk The instrument supports importing the edited .csv format file (the template can be obtained by contacting ITECH personnel) through the USB interface on the front panel, and generating voltage or current values after parsing, and then outputting complex voltage or current waveforms according to the time width specified by the user.
  • Page 84 The total number of steps, up to 10 million points can be edited. Repeat Repeat times, the setting range is 1~65535. Indicates the end state. Last (the voltage or current End State maintained at the last step after the end) or Normal Copyright © Itech Electronic Co., Ltd.
  • Page 85 Frequency value, the default maximum is 250Hz. End State Indicates the end state. Last (the voltage or current maintained at the last step after the end) or Normal (returns to the normal mode before Sine is executed). Copyright © Itech Electronic Co., Ltd.
  • Page 86 Step Repeat The number of repetitions of a single step. Single- step pulse width and single-step repetition times can be set by selecting one of them. Copyright © Itech Electronic Co., Ltd.
  • Page 87 11. Based on the selected trigger method, perform the trigger operation. • Programming via SCPI instructions For detailed instructions and parameter introduction, please refer to the in- structions of "ARB Subsystem" in the Programming Guide. • Realized by the software IT9000 on PC Copyright © Itech Electronic Co., Ltd.

  • Page 88: Battery Charging Test Function

    Power Supply Function For detailed function usage, please refer to IT9000–PV6000 User Manual. 4.6.2 Battery Charging Test Function The IT6000D series power supply provides the battery charging test function. Suitable for charging tests on all types of portable batteries. •...
  • Page 89 7. Based on the selected trigger method, perform the trigger operation. The trigger method of the battery test is consistent with the trigger method of the List function, that is, the List trigger source is also effective for the Battery function. Copyright © Itech Electronic Co., Ltd.
  • Page 90 Pause is selected, it means that the present running is suspended, and you can continue to run by selecting Resume. Copyright © Itech Electronic Co., Ltd.

  • Page 91: Basic Operation

    This function can prevent the power supply from the panel keys misoperation during usage. Press the composite keys [Shift]+[2] (Lock) to lock front panel keys and the lock symbol “*” is shown on the front panel display. All panel keys, Copyright © Itech Electronic Co., Ltd.

  • Page 92: Save And Recall Operations

    You can do the save and recall operations by the following two methods. • Press the composite keys [Shift]+[+/-] (Save) to save the parameters. Press the [Recall] key to recall the parameters. • SCPI commands: *SAV and *RCL Copyright © Itech Electronic Co., Ltd.

  • Page 93: Save Operation

    3. Press [Enter] to recall the parameters. 5.4 Data Logging Function The IT6000D series High power Programmable DC Power Supply supports the recording and saving of test data. This Chapter introduces how to use this func- tion in details.
  • Page 94 2. Set the value of Sample Period and press [Enter]. 3. Set the value of Duration and press [Enter]. Copyright © Itech Electronic Co., Ltd.
  • Page 95 Voltage trigger When the DC terminals detect that the voltage reaches the trigger voltage setting value and is within the range of the upper and lower trigger limits, a data recording operation is triggered. Copyright © Itech Electronic Co., Ltd.

  • Page 96: Set The Beeper Status (Beep)

    1. Press the composite keys [Shift]+[P-set] (System) on the front panel to en- ter the system menu. The first displayed menu item Beep is used to set the beeper status. 2. Press [Enter] key to enter the parameter setting interface. Copyright © Itech Electronic Co., Ltd.

  • Page 97: Set The Power-On State (Poweron)

    Table 5–1 Initial value of the parameter Category Parameter Initial Value Voltage setting: Vset One percent of the Main rated voltage of the interface instrument Current setting: Iset One percent of the rated current of the instrument Copyright © Itech Electronic Co., Ltd.

  • Page 98: Sense Function (Sense)

    20V. 5.7 Sense Function (Sense) This menu item is used to switch the power supply to local measurement or re- mote sensing. Copyright © Itech Electronic Co., Ltd.

  • Page 99: Select Trigger Source (Trig Source)

    On: Indicates turn the sense function on. 4. After the parameter settings are complete, press [Enter]. 5.8 Select Trigger Source (Trig Source) For the IT6000D series power supply, the List and data logging functions can be triggered for running by the following methods: •...

  • Page 100: Set The Communication Information (I/O Con)

    5.9 Set the Communication Information (I/O Con) This menu item is used to set the communication information between instru- ment and PC. The standard communication interfaces for IT6000D series power supply are USB, LAN, CAN and VCP. You can also select the non-standard in- terface GPIB or RS-232 based on personal requirement.

  • Page 101: Set Parallel Operation Mode (Parallel)

    The IT6000D series power supply supports multiple instruments to work in par- allel mode to provide more power and current output capability.
  • Page 102 Instruction or the IT6000 Cabinet Assembly Instruction. 1. Ensure that the power switches of the three units and the main switch of the AC power distribution box are off. 2. Refer Figure 5–1 Wiring connection diagram to connect three units. Copyright © Itech Electronic Co., Ltd.
  • Page 103 Refer to the blue wiring legend in the figure, connect the System Bus (i. e., the fiber outer ring interfaces TX and RX) for fiber-optic communica- tion between the master and slaves. • Three 3U single instruments parallel Copyright © Itech Electronic Co., Ltd.
  • Page 104 Configure the Menu Item. 5. After the parallel menu of the three units are set, restart the instrument separately. After the instrument is restarted, the VFD shows that the instrument is work- ing in parallel mode. Copyright © Itech Electronic Co., Ltd.

  • Page 105: Digital I/O Function (Digital Port)

    5.11 Digital I/O Function (Digital Port) The IT6000D series power supply supports digital I/O function. The user can realize logic control over high and low level input or output by related configura- tions in the system menu, namely general digital signal I/O function. In addition to general digital I/O functions, this series can be customized to meet different special needs through different pin wirings.
  • Page 106 Level or PWM System→Digital Port→IO–2. Ps, signal Not-Invert menu item. For parameter introduction, see 5.11.2 IO–2. Ps, Not-Invert. Corresponds to the function set in the Level signal Level or PWM System→Digital Port→IO–3. Off- signal Copyright © Itech Electronic Co., Ltd.
  • Page 107 (the seven pins each have a differ- ent custom function). The second and third options (Input and Output) are the general digital I/O function, and the parameter settings and functions of the sev- en pins are the same. Copyright © Itech Electronic Co., Ltd.
  • Page 108 By default (i.e., the pin is not connected), it can be detected as high level, and the front panel will display input(1). If the pin is configured as Invert, it can be detected as low level, and the front panel will display input (0). Copyright © Itech Electronic Co., Ltd.

  • Page 109: Io-1. Ps-Clear, Not-Invert

    When pin 1 is set to default Ps-Clear function, pin 1 has bi-directional I/O func- tion, which can receive pulse signal input from the external instrument and also can output pulse signal to external instrument. Pulse signal parameter require- ments are as follows: Copyright © Itech Electronic Co., Ltd.
  • Page 110 [On/Off] is from Off to On, pin 1 will send a pulse signal to the external instrument. 1. Clear the instrument’s OCP protection. 2. Check the oscilloscope and confirm whether pin 1 has pulse output. Copyright © Itech Electronic Co., Ltd.

  • Page 111: Io-2. Ps, Not-Invert

    When pin 2 is set to default Ps function, pin 2 will output high or low level based on whether the instrument is under protection or not. Under normal conditions (Not under protection), and when pin 2 is under default setting (Not-Invert), pin Copyright © Itech Electronic Co., Ltd.

  • Page 112: Io-3. Off-Status, Not-Invert

    Not-Invert Not- Indicates whether to invert the input/output pulse Invert or level signal. • Invert: Yes Invert • Not-Invert: No Off- This default function indicates the exist- Status ing [On/Off] state of the instrument. Copyright © Itech Electronic Co., Ltd.
  • Page 113 [On/Off] is turned off, and pin 3 outputs high level; the[On/Off] is turned on, and pin 3 outputs low level. When pin 3 is set to Invert, the output level is completely opposite. 1. Refer to the figure below to connect pin 3 to the external oscilloscope. Copyright © Itech Electronic Co., Ltd.

  • Page 114: Io-4. Ext-Trig, Not-Invert

    Trig–Out Indicates that when the instru- ment generates a signal (which triggers the Meter function, Da- ta Recording function and List function for running), pin 4 will output a pulse signal. Copyright © Itech Electronic Co., Ltd.
  • Page 115 False By default (Not-Invert), the out- put digital signal is 0 (i.e. high level), and in the case of Invert, the output is low level. Digital signal of PWM. PWM Freq Frequency Copyright © Itech Electronic Co., Ltd.
  • Page 116 ListTrig Source is set to Manual. 5. Check the oscilloscope and confirm whether pin 4 has following pulse signal output. Level rise slope 10us Level fall slope Minimum time width 30us for low level keep • Trig-In Copyright © Itech Electronic Co., Ltd.

  • Page 117: Io-5. Inh-Living, Not-Invert

    List file is running or not. 5.11.5 IO–5. INH-Living, Not-Invert Parameter Description IO–5. Living, Parameter setting for pin 5. Not-Invert Not- Indicates whether to invert the input/output pulse or Invert level signal. • Invert: Yes Invert • Not-Invert: No Copyright © Itech Electronic Co., Ltd.
  • Page 118 The [On/Off] button light is lighted on and VFD still displays On, but the actual output is 0; when pin 5 receives high level sig- nal again, the output state is recovered. Copyright © Itech Electronic Co., Ltd.
  • Page 119 The pa- rameter requirements of this pulse signal are as follows: Level rise slope 10us Level fall slope Minimum time width 30us for low level keep Copyright © Itech Electronic Co., Ltd.

  • Page 120: Io-6. Sync-On, Not-Invert

    When the protection state is cleared, manually turn on [On/Off] again. 5.11.6 IO–6. Sync-On, Not-Invert Parameter Description IO–6. Sync- Parameter setting for pin 6. On, Not- Invert Not- Indicates whether to invert the input/output pulse or Invert level signal. Copyright © Itech Electronic Co., Ltd.
  • Page 121 The parameter requirements of this pulse signal are as follows: Level rise slope 10us Level fall slope Minimum time width 30us for low level keep The bi-direction I/O functions are introduced as below: Copyright © Itech Electronic Co., Ltd.

  • Page 122: Io-7. Sync-Off, Not-Invert

    B’s output function is synchronously turned on. 5.11.7 IO–7. Sync-Off, Not-Invert Parameter Description IO–7. Sync-Off, Parameter setting for pin 7. Not-Invert Not- Indicates whether to invert the input/output pulse Invert or level signal. Copyright © Itech Electronic Co., Ltd.
  • Page 123 The parameter requirements of this pulse signal are as follows: Level rise slope 10us Level fall slope Minimum time width 30us for low level keep The bi-direction I/O functions are introduced as below: Copyright © Itech Electronic Co., Ltd.

  • Page 124: Analogue Function (Ext-Program) (Optional)

    The external analog function controls the actual output voltage/current value of the instrument by inputting a voltage between –10V and 10V to the specified pin, and limits the output of the voltage/current to a specified range. Copyright © Itech Electronic Co., Ltd.
  • Page 125 Indicates the offset of channel 2. Set the parameters of channel 3 (lower limit channel). For the IT6000D series of unipolar power supplies, the voltage/current lower limit does not need to be specified. Therefore, the Ch3 parameters here do not need to be set.
  • Page 126 CC priority: Specify the value of the voltage upper limit Vlim. The setting for the voltage/current lower limit corresponds to Ch3 in the menu. (IT6000D series models do not need to be set) Analog Conversion Relationship Introduction Taking the Ch1 programming channel as an example, the user needs to convert the values of Mx and Mb according to the following formulas, and then set the two values through the front panel keys or SCPI remote commands.
  • Page 127 The end value of the output current in CC out2 priority mode, and I >I out2 out1 • CV priority • CC priority How to Use The following takes the CV priority mode as an example to introduce the usage steps. Copyright © Itech Electronic Co., Ltd.
  • Page 128 7. Adjust the output of DC Power Supply 1 from -5V to 5V, and adjust the out- put of DC Power Supply 2 from -10V to 10V. The actual output voltage and current of the instrument will change accord- ing to the following rules: Copyright © Itech Electronic Co., Ltd.

  • Page 129: Restored To Factory Setting (System Reset)

    Upper limit of voltage: Vlim Upper limit value: One percent of the rated volt- age of the instrument Upper limit of current: Ilim One percent of the rated current of the instrument Copyright © Itech Electronic Co., Ltd.
  • Page 130 30000 LAN→Serv-Conf MDNS/PING/Telnet- scpi/Web/VX-11/ Raw-socket: On • VCP: 9600,8,N,1 • (Optional) RS232: 9600,8,N,1 • (Optional) External analog: Off • (Optional) GPIB: Ad- dress=1 • Digital Port IO–1: Ps-Clear • IO–2: Ps • IO–3: Off-Status Copyright © Itech Electronic Co., Ltd.

  • Page 131: View The System Information (System Info)

    1. Press the composite keys [Shift]+[P-set] (System) on the front panel to en- ter the system menu. 2. Press the Up/Down key or turn the knob to select the System Info and press [Enter]. Copyright © Itech Electronic Co., Ltd.

  • Page 132: System Upgrade

    Run Time Display the power-on time. 5.15 System Upgrade The IT6000D series power supply supports the upgrade of the system version. System upgrade includes the following two methods: • During the start-up period after the instrument is powered on, through the USB interface on the front panel, select the system upgrading files in the memory device (USB flash drive) for upgrading.
  • Page 133 For example, when there are multiple system upgrading package post- fixed with .itech in the root directory of your USB flash drive, you need to use a text editing tool to open the configuration file and specify the up- grade package name corresponding to the present upgrade operation.
  • Page 134 After the system upgrading files are detected, the interface displays as follows: Update Select(xx/yy) SN: ALL xx means the number of selected instruments to be upgraded, and yy means the number of instruments in the parallel network. Copyright © Itech Electronic Co., Ltd.
  • Page 135 The system will automatically perform upgrading. If No is selected, it means to exit upgrading, and the system will di- rectly enter into the main interface. 5. After the upgrading is completed, you need to restart the instrument manually. Copyright © Itech Electronic Co., Ltd.

  • Page 136: Technical Specification

    Besides, we will introduce the working environment and storage temperature. ♦ Main Specification ♦ 80V ♦ 300V ♦ 500V ♦ 800V ♦ 1500V ♦ 2250V ♦ Supplemental Characteristics 6.1 Main Specification Copyright © Itech Electronic Co., Ltd.

  • Page 137: 126

    Voltage ≤120mVpp(MAX: ≤300mVpp) (20Hz -20MHz) Current ≤0.1%FS RMS Setup Temperature Voltage ≤50PPM/℃ Coefficient ±(％of Output/℃+Offset) Current ≤200PPM/℃ Read Back Temperature Voltage ≤50PPM/℃ Coefficient ±(％of Output/℃+Offset) Current ≤200PPM/℃ Rise Time( no load ) Voltage ≤15ms Copyright © Itech Electronic Co., Ltd.
  • Page 138 Protective Function Standard: USB, CAN, LAN, VCP; optional: GPIB, analog card (in- Standard Interface cludes RS232), fiber optic socket Isolation ( output to ground) 500V Working Temperature 0～50℃ Dimension ( mm) 483mm(W)*801.61mm(D)*151.3mm(H) Weight( net) 20KG Copyright © Itech Electronic Co., Ltd.

  • Page 139: It6010D-80-300

    Voltage ≤0.02% + 0.02%FS ( within 12 months, 25℃ Current ≤0.1% + 0.1%FS ±5℃) ±(％of Output+Offset) Power ≤0.5% + 0.5%FS Ripple Voltage ≤120mVpp(MAX: ≤300mVpp) (20Hz -20MHz) Current ≤0.1%FS RMS Setup Temperature Voltage ≤50PPM/℃ Coefficient Copyright © Itech Electronic Co., Ltd.
  • Page 140 -10℃～70℃ OVP, OCP, OPP, UVP, UCP, OTP, Vsense protection Protective Function Standard: USB, CAN, LAN, VCP; optional: GPIB, analog card (in- Standard Interface cludes RS232), fiber optic socket Isolation ( output to ground) 500V Copyright © Itech Electronic Co., Ltd.

  • Page 141: It6015D-80-450

    ≤0.1% + 0.1%FS ±5℃) ±(％of Output+Offset) Power ≤0.5% + 0.5%FS Read Back Accuracy Voltage ≤0.02% +0.02%FS ( within 12 months, 25℃ Current ≤0.1% + 0.1%FS ±5℃) ±(％of Output+Offset) Power ≤0.5% + 0.5%FS Ripple Voltage ≤120mVpp(MAX:≤200mVpp) Copyright © Itech Electronic Co., Ltd.
  • Page 142 ≤0.02%+0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Efficiency ～90% Remote Sense Compensa- ≤5V tion Voltage Command Response Time Power Factor 0.99 Storage Temperature -10℃～70℃ OVP, OCP, OPP, UVP, UCP, OTP, Vsense protection Protective Function Copyright © Itech Electronic Co., Ltd.

  • Page 143: 132

    0.01A Power 0.001kW Voltage 0.01V Read Back Resolution Current 0.01A Power 0.001kW Setup Accuracy Voltage ≤0.02% + 0.02%FS ( within 12 months, 25℃ Current ≤0.1% + 0.1%FS ±5℃) ±(％of Output+Offset) Power ≤0.5% + 0.5%FS Copyright © Itech Electronic Co., Ltd.
  • Page 144 ≤0.1% + 0.1%FS Readback Stability-30min Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Readback stability-8h Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Efficiency ～92% Remote Sense Compensa- ≤5V tion Voltage Copyright © Itech Electronic Co., Ltd.

  • Page 145: It6012D-300-150

    ±(％of Output+Offset) Current ≤0.05%FS Load Regulation Voltage ≤0.02%S ±(％of Output+Offset) Current ≤0.05%FS Voltage 0.01V Setup Resolution Current 0.01A Power 0.001kW Voltage 0.01V Read Back Resolution Current 0.01A Power 0.001kW Setup Accuracy Voltage ≤0.02% + 0.02%FS Copyright © Itech Electronic Co., Ltd.
  • Page 146 Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Readback Stability-30min Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Readback stability-8h Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Copyright © Itech Electronic Co., Ltd.

  • Page 147: It6018D-300-225

    Output Current 0～225A Output Power 0～18kW Line Regulation Voltage ≤0.01%FS ±(％of Output+Offset) Current ≤0.05%FS Load Regulation Voltage ≤0.02%FS ±(％of Output+Offset) Current ≤0.05%FS Voltage 0.01V Setup Resolution Current 0.01A Power 0.001kW Voltage Read Back Resolution 0.01V Copyright © Itech Electronic Co., Ltd.
  • Page 148 Power Frequency 47Hz～63Hz Setup Stability-30min Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Setup stability-8h Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Readback Stability-30min Voltage ≤0.02% + 0.02%FS Copyright © Itech Electronic Co., Ltd.

  • Page 149: 138

    380VAC±10% for standard AC input voltage, 480VAC±10% voltage is required for customization. 6.1.3 500V 6.1.3.1 IT6006D-500-40 Parameter IT6006D-500-40 Output Voltage 0～500V Rated value ( 0 ℃-50 ℃) Output Current 0～40A Output Power 0～6kW Line Regulation Voltage ≤0.01%FS ±(％of Output+Offset) Current ≤0.05%FS Copyright © Itech Electronic Co., Ltd.
  • Page 150 ≤1s Fall Time( full load ) Voltage ≤100ms Transient Response Time Voltage ≤2ms Voltage (Three- 198V～264V (Derating 50%) 342V～528V phase four-wire) 1 Maximum Input AC Input L1,L2/20A;L3/0A Current Maximum Input Ap- 6.6kVA parent Power Copyright © Itech Electronic Co., Ltd.

  • Page 151: It6012D-500-80

    50%. Models with emergency stop module (including AC contactor) only sup- port 380VAC±10% for standard AC input voltage, 480VAC±10% voltage is required for customization. 6.1.3.2 IT6012D-500-80 Parameter IT6012D-500-80 Output Voltage 0～500V Rated value ( 0 ℃-50 ℃) Output Current 0～80A Copyright © Itech Electronic Co., Ltd.
  • Page 152 Rise Time( full load ) Voltage ≤30ms Fall Time( no load ) Voltage ≤1s Fall Time( full load ) Voltage ≤100ms Transient Response Time Voltage ≤2ms Voltage (Three- AC Input 198V～264V (Derating 50%) 342V～528V phase four-wire) 1 Copyright © Itech Electronic Co., Ltd.
  • Page 153 AC input voltage in the range of 198~264V, need to be customized while derating by 50%. Models with emergency stop module (including AC contactor) only sup- port 380VAC±10% for standard AC input voltage, 480VAC±10% voltage is required for customization. Copyright © Itech Electronic Co., Ltd.

  • Page 154: It6018D-500-120

    ±(％of Output/℃+Offset) Current ≤200PPM/℃ Read Back Temperature Voltage ≤50PPM/℃ Coefficient ±(％of Output/℃+Offset) Current ≤200PPM/℃ Rise Time( no load ) Voltage ≤15ms Rise Time( full load ) Voltage ≤30ms Fall Time( no load ) Voltage ≤1s Copyright © Itech Electronic Co., Ltd.
  • Page 155 Protective Function Standard: USB, CAN, LAN, VCP; optional: GPIB, analog card (in- Standard Interface cludes RS232), fiber optic socket Isolation ( output to ground) 1000V Working Temperature 0～50℃ Dimension ( mm) 483mm(W)*801.61mm(D)*151.3mm(H) Weight( net) 40KG Copyright © Itech Electronic Co., Ltd.

  • Page 156: 145

    ≤0.1% + 0.1%FS ±5℃) ±(％of Output+Offset) Power ≤0.5% + 0.5%FS Read Back Accuracy Voltage ≤0.02% + 0.02%FS ( within 12 months, 25℃ Current ≤0.1% + 0.1%FS ±5℃) ±(％of Output+Offset) Power ≤0.5% + 0.5%FS Ripple Voltage ≤800mVpp(MAX:≤1.2Vpp) Copyright © Itech Electronic Co., Ltd.
  • Page 157 ≤0.02%+0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Efficiency ～92% Remote Sense Compensa- ≤8V tion Voltage Command Response Time Power Factor 0.99 Storage Temperature -10℃～70℃ OVP, OCP, OPP, UVP, UCP, OTP, Vsense protection Protective Function Copyright © Itech Electronic Co., Ltd.

  • Page 158: It6012D-800-50

    Read Back Resolution Current 0.01A Power 0.001kW Setup Accuracy Voltage ≤0.02% + 0.02%FS ( within 12 months, 25℃ Current ≤0.1% + 0.1%FS ±5℃) ±(％of Output+Offset) Power ≤0.5% + 0.5%FS Read Back Accuracy Voltage ≤0.02% + 0.02%FS Copyright © Itech Electronic Co., Ltd.
  • Page 159 ≤0.1% + 0.1%FS Readback Stability-30min Voltage ≤0.02%+0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Readback stability-8h Voltage ≤0.02%+0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Efficiency ～92% Remote Sense Compensa- ≤8V tion Voltage Command Response Time Copyright © Itech Electronic Co., Ltd.

  • Page 160: It6018D-800-75

    ±(％of Output+Offset) Current ≤0.05%FS Load Regulation Voltage ≤0.02%FS ±(％of Output+Offset) Current ≤0.05%FS Voltage 0.01V Setup Resolution Current 0.01A Power 0.001kW Voltage 0.01V Read Back Resolution Current 0.01A Power 0.001kW Setup Accuracy Voltage ≤0.02% + 0.02%FS Copyright © Itech Electronic Co., Ltd.
  • Page 161 ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Readback Stability-30min Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Readback stability-8h Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Efficiency ～92% Copyright © Itech Electronic Co., Ltd.

  • Page 162: 1500V

    ( 0 ℃-50 ℃) Output Current 0～40A Output Power 0～18kW Line Regulation Voltage ≤0.01%FS ±(％of Output+Offset) Current ≤0.05%FS Load Regulation Voltage ≤0.02%FS ±(％of Output+Offset) Current ≤0.05%FS Voltage 0.1V Setup Resolution Current 0.001A Power 0.001kW Copyright © Itech Electronic Co., Ltd.
  • Page 163 Power Frequency 47Hz～63Hz Setup Stability-30min Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Setup stability-8h Voltage ≤0.02% + 0.02%FS ±(％of Output+Offset) Current ≤0.1% + 0.1%FS Readback Stability-30min Voltage ≤0.02% + 0.02%FS Copyright © Itech Electronic Co., Ltd.

  • Page 164: 2250V

    6.1.6 2250V 6.1.6.1 IT6018D-2250-25 Parameter IT6018D-2250-25 Output Voltage Rated value 0～2250V ( 0 ℃-50 ℃) Output Current 0～25A Output Power 0～18kW Line Regulation Voltage ≤0.01%FS ±(％of Output+Offset) Current ≤0.05%FS Load Regulation Voltage ≤0.02%FS Copyright © Itech Electronic Co., Ltd.
  • Page 165 ≤100ms Transient Response Time Voltage ≤2ms Voltage (Three-phase 198V～264V (Derating 50%) 342V～528V four-wire) 1 Maximum Input 33.37A Current AC Input Maximum Input Ap- 19.8kVA parent Power Frequency 47Hz～63Hz Setup Stability-30min Voltage ≤0.02% + 0.02%FS Copyright © Itech Electronic Co., Ltd.
  • Page 166 AC input voltage in the range of 198~264V, need to be customized while derating by 50%. Models with emergency stop module (including AC contactor) only sup- port 380VAC±10% for standard AC input voltage, 480VAC±10% voltage is required for customization. Copyright © Itech Electronic Co., Ltd.

  • Page 167: Supplemental Characteristics

    Technical Specification 6.7 Supplemental Characteristics State storage capacity: 10 sets Recommended calibration frequency: once a year Cooling style: fans Copyright © Itech Electronic Co., Ltd.

  • Page 168: 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. 7.2 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 169: 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 170: Return For Repair

    4006-025-000 for technical support and services. 7.4 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 171 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 172: A Appendix

    ♦ Fuse Replacement 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 173: Troubleshooting

    Larger diameter wire sizes will help minimize wire voltage drops. Twist- ing or bundling wires will help reduce transient voltage drops. A.2 Troubleshooting The fault information of this series of instruments is described below. Copyright © Itech Electronic Co., Ltd.
  • Page 174 Master, and the oth- er units are Slave. FIBER EXT UNLOCK The outer ring of the fiber is Fiber multi-master not locked. parallel: set the par- allel in the System menu in turn. For details, see 5.10 Copyright © Itech Electronic Co., Ltd.

  • Page 175: Fuse Replacement

    If there are no fuse assembly on the instrument rear panel, it means that you can’t replace the fuse by yourself. Please contact the ITECH engineer on the condition of the same malfunction.
  • Page 176 2. Have a visual inspection of the fuse to see whether it is burnt out; if yes, replace it with another fuse of the same specification. Re- fer to the corresponding technical specifi- cations for fuse rating. Copyright © Itech Electronic Co., Ltd.
  • Page 177 3. Please replace with a fuse of the same specification. Refer to the technical specifi- cation of the corresponding instrument. 4. When install, put into the fuse box firstly. Then Push and turn the fuse box to 90 de- grees clockwise. Copyright © Itech Electronic Co., Ltd.
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