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Faithtech FT68200 Series User Manual

Ultra-high-power electronic load
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Faithtech
Ultra-high-power Electronic Load
User's Manual
( FT68200 Series )
©Copyright Faithtech
Version V2.0
2021-06

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Summary of Contents for Faithtech FT68200 Series

  • Page 1 Faithtech Ultra-high-power Electronic Load User’s Manual ( FT68200 Series ) ©Copyright Faithtech Version V2.0 2021-06...
  • Page 2 All rights are reserved by Faithtech. This manual is only for reference and is subject to change without notice. Faithtech shall not be held liable for the errors that may be contained in this manual or the damage caused by furnishing, execution or use of this manual.
  • Page 3 Not observing safety precautions or warnings in this manual will probably weaken protective functions provided by the power supply, or even cause more severe consequences. Faithtech will not assume any liability for damages if the user does not observe those safety precautions.
  • Page 4 Faithtech FT68200 Operation Manual Version Revision History Date Version Amendment 2020-6 Initial version 2020-9 1.01 Add functions 2020-12 1.02 Adjust overpower loading 2021-03 1.03 Dimension revision for 36kW or above 2021-05 1.04 Add appendix B 2021-06 2.00 Adjust battery inner resistance function, CR range...

  • Page 5: Table Of Contents

    Faithtech FT68200 Operation Manual Table of Contents 1. Overview ............................1 1.1. Introduction ........................1 1.2. Features ..........................1 1.3. Dimension ........................... 2 1.3.1. 4U-6kW ........................2 1.3.2. 7U-8kW/10kW/12kW ..................... 3 1.3.3. 11U-14kW/16kW/18kW ..................4 1.3.4. 14U-20kW/22kW/24kW ..................5 1.3.5. 20U-30kW/36kW ....................6 1.3.6.
  • Page 6 Faithtech FT68200 Operation Manual 3.2.4. Constant Power Mode ..................35 3.3. Dynamic Test ........................36 3.4. Slew rate and minimum conversion time ..............38 3.5. Input Control ........................39 3.6. Short circuit simulation ....................39 3.7. System Menu configuration ................... 40 3.8.

  • Page 7: Overview

    1. Overview 1.1. Introduction The FT68200 series ultra-high-power electronic loads is the result of Faith's dedication to the design, manufacture and maintenance of electronic loads for more than ten years. The power density is twice as high as the general load, which reduces the space occupation.

  • Page 8: Dimension

    Faithtech FT68200 Operation Manual monitoring capability  TFT color LCD screen, Chinese/English menua interface  Standard RS232, RS485, LAN, USB (serial), optional GPIB or CAN interface  Support SCPI, Modbus, CANopen protocol 1.3. Dimension 1.3.1. 4U-6kW...

  • Page 9: 8Kw/10Kw/12Kw

    Faithtech FT68200 Operation Manual 1.3.2. 7U-8kW/10kW/12kW...

  • Page 10: 14Kw/16Kw/18Kw

    Faithtech FT68200 Operation Manual 1.3.3. 11U-14kW/16kW/18kW...

  • Page 11: 20Kw/22Kw/24Kw

    Faithtech FT68200 Operation Manual 1.3.4. 14U-20kW/22kW/24kW...

  • Page 12: 30Kw/36Kw

    Faithtech FT68200 Operation Manual 1.3.5. 20U-30kW/36kW...

  • Page 13: 42Kw/48Kw

    Faithtech FT68200 Operation Manual 1.3.6. 26U-42kW/48kW...

  • Page 14: 54Kw/60Kw

    Faithtech FT68200 Operation Manual 1.3.7. 32U-54kW/60kW...

  • Page 15: Specification

    Faithtech FT68200 Operation Manual 1.4. Specification 1.4.1. Performance Specification (6kW) Model FT68206A/E-150-600 FT68206A/E-600-420 FT68206A/E-1200-240 voltage 150V 600V 1200V Current 600A 420A 240A Power 6000W 6000W 6000W 1.5V@600A 14V@420A 20V@240A Constant Current Range 600A 420A 240A Resolution 1mA 10mA 0.7mA 0.4mA Accuracy 0.05%+0.05%F.S.

  • Page 16: Performance Specification (8Kw)

    Faithtech FT68200 Operation Manual 1.4.2. Performance Specification (8kW) Model FT68208A/E-150-800 FT68208A/E-600-560 FT68208A/E-1200-320 voltage 150V 600V 1200V Current 800A 560A 320A Power 8000W 8000W 8000W 1.5V@800A 14V@560A 20V@320A Constant Current Range 800A 560A 320A Resolution 1.5mA 15mA 10mA 0.5mA Accuracy 0.05%+0.05%F.S.

  • Page 17: Performance Specification (10Kw)

    Faithtech FT68200 Operation Manual 1.4.3. Performance Specification (10kW) Model FT68210A/E-150-1000 FT68210A/E-600-700 FT68210A/E-1200-400 voltage 150V 600V 1200V Current 1000A 700A 400A Power 10000W 10000W 10000W 1.5V@1000A 14V@700A 20V@400A Constant Current Range 100A 1000A 700A 400A Resolution 1.6mA 16mA 1.2mA 12mA 0.7mA Accuracy 0.05%+0.05%F.S.

  • Page 18: Performance Specification (12Kw)

    Faithtech FT68200 Operation Manual 1.4.4. Performance Specification (12kW) Model FT68212A/E-150-1200 FT68212A/E-600-840 FT68212A/E-1200-480 voltage 150V 600V 1200V Current 1200A 840A 480A Power 12000W 12000W 12000W 1.5V@1200A 14V@840A 20V@480A Constant Current Range 120A 1200A 840A 480A Resolution 2mA 20mA 1.4mA 14mA 0.8mA Accuracy 0.05%+0.05%F.S.

  • Page 19: Performance Specification (18Kw)

    Faithtech FT68200 Operation Manual 1.4.5. Performance Specification (18kW) Model FT68218A/E-150-1800 FT68218A/E-600-1260 FT68218A/E-1200-720 voltage 150V 600V 1200V Current 1800A 1260A 720A Power 18000W 18000W 18000W 1.5V@1800A 14V@1260A 20V@720A Constant Current Range 180A 1800A 126A 1260A 720A Resolution 3mA 30mA 2.1mA 21mA 1.2mA...

  • Page 20: Performance Specification (24Kw)

    Faithtech FT68200 Operation Manual 1.4.6. Performance Specification (24kW) Model FT68224A/E-150-2400 FT68224A/E-600-1680 FT68224A/E-1200-960 voltage 150V 600V 1200V Current 2400A 1680A 960A Power 24000W 24000W 24000W 1.5V@2400A 14V@1680A 20V@960A Constant Current Range 240A 2400A 168A 1680A 960A Resolution 4mA 40mA 2.8mA 28mA 1.6mA...

  • Page 21: Performance Specification (30Kw)

    Faithtech FT68200 Operation Manual 1.4.7. Performance Specification (30kW) Model FT68230A/E-150-2400 FT68230A/E-600-2100 FT68230A/E-1200-1200 voltage 150V 600V 1200V Current 2400A 2100A 1200A Power 30000W 30000W 30000W 1.5V@2400A 14V@2100A 20V@1200A Constant Current Range 240A 2400A 210A 2100A 120A 1200A Resolution 4mA 40mA 3.5mA...

  • Page 22: Performance Specification (36Kw)

    Faithtech FT68200 Operation Manual 1.4.8. Performance Specification (36kW) Model FT68236A/E-150-2400 FT68236A/E-600-2400 FT68236A/E-1200-1440 voltage 150V 600V 1200V Current 2400A 2400A 1440A Power 36000W 36000W 36000W 1.5V@2400A 14V@2400A 20V@1440A Constant Current Range 240A 2400A 240A 2400A 140A 1440A Resolution 4mA 40mA 40mA 2.4mA...

  • Page 23: Performance Specification (42Kw)

    Faithtech FT68200 Operation Manual 1.4.9. Performance Specification (42kW) Model FT68242A/E-150-2400 FT68242A/E-600-2400 FT68242A/E-1200-1680 voltage 150V 600V 1200V Current 2400A 2400A 1680A Power 42000W 42000W 42000W 1.5V@2400A 14V@2400A 20V@1680A Constant Current Range 240A 2400A 240A 2400A 168A 1680A Resolution 4mA 40mA 40mA 2.8mA...

  • Page 24: Performance Specification (48Kw)

    Faithtech FT68200 Operation Manual 1.4.10. Performance Specification (48kW) Model FT68248A/E-150-2400 FT68248A/E-600-2400 FT68248A/E-1200-1920 voltage 150V 600V 1200V Current 2400A 2400A 1920A Power 48000W 48000W 48000W 1.5V@2400A 14V@2400A 20V@1920A Constant Current Range 240A 2400A 240A 2400A 192A 1920A Resolution 4mA 40mA 40mA 3.2mA...

  • Page 25: Performance Specification (54Kw)

    Faithtech FT68200 Operation Manual 1.4.11. Performance Specification (54kW) Model FT68254A/E-150-2400 FT68254A/E-600-2400 FT68254A/E-1200-2160 voltage 150V 600V 1200V Current 2400A 2400A 2160A Power 54000W 54000W 54000W 1.5V@2400A 14V@2400A 20V@2160A Constant Current Range 240A 2400A 240A 2400A 216A 2160A Resolution 4mA 40mA 40mA 3.6mA...

  • Page 26: Performance Specification (60Kw)

    Faithtech FT68200 Operation Manual 1.4.12. Performance Specification (60kW) Model FT68260A/E-150-2400 FT68260A/E-600-2400 FT68260A/E-1200-2400 voltage 150V 600V 1200V Current 2400A 2400A 2400A Power 60000W 60000W 60000W 1.5V@2400A 14V@2400A 20V@2400A Constant Current Range 240A 2400A 240A 2400A 240A 2400A Resolution 40mA 40mA 40mA Accuracy 0.05%+0.05%F.S.

  • Page 27: Quick Guide

    Faithtech FT68200 Operation Manual 2. Quick Guide 2.1. Examine Instrument Upon reception of the electronic load, please examine the instrument according to procedures stipulated as below. ■ Check for packaging if there is damage during transportation Contact authorized dealer or after-sale service immediately if the packing or protective cushion is severely damaged.

  • Page 28: Front Panel

    Faithtech FT68200 Operation Manual 2.2. Front Panel Power Switch ④ Keyboard Model sticker ⑤ Rotary knob Color TFT screen 2.3. Keyboard Key function description Function Description Constant Current Constant Voltage Constant Resistance Constant Power Dynamic Current...
  • Page 29 Faithtech FT68200 Operation Manual Range Switch Short Circuit Simulation Trigger Compound operation key Numeric key, can perform the second ～ function when combined with “Shift” key Decimal Point Cursor left movement Cursor right movement Confirm key Exit key Starts loading / unloading Compound function key When combined with Shift key, the function written below the key is performed.

  • Page 30: Screen Display

    Faithtech FT68200 Operation Manual 2.4. Screen Display Specification display ③ Status Prompt Display V/I Readback Data Display ④ Function Parameter Setting Specification Display Display the rated voltage, current and power of the electronic load. Status Prompt Display Displays the following messages.

  • Page 31: Rear Panel

    Faithtech FT68200 Operation Manual 2.5. Rear Panel Voltage remote sense terminal +S: Positive end of remote V-sense -S: negative end of remote V-sense Analog ports for parallel External analog programming input Current monitoring output Communication ports for parallel GPIB Interface...

  • Page 32: Installation

    Faithtech FT68200 Operation Manual 485A: 485 communication port A 485B: 485 communication port B GND : signal ground CANH: CAN communication H port CANH: CAN communication L port OUT: output TTL level signal (in AUTO test, when the result is PASS, outputs high level)

  • Page 33: Ac Input

    Faithtech FT68200 Operation Manual 2.6.2. AC Input AC input range: 220VAC±10%, 47Hz~63Hz 2.6.3. Self-check at power on After power-on, the load first executes the self-check program, the screen will display the self-check process and the self-check result, as shown in the figure below.

  • Page 34: V-Sense Connection

    Faithtech FT68200 Operation Manual 2.7.2. V-sense connection The load provides remote voltage sense and local voltage sense. This can be configured through the "Set" -> "APG" sub menu from the menu system. Local sense  Remote sense  When the load is working, the input current will produce a certain voltage drop on the contact resistance between the port and the wire, which will affect the voltage measurement accuracy of the load.

  • Page 35: Prallel Connection

    When the power or current of the power supply under test exceeds the specifications of the electronic load, two or more loads can be connected in parallel to increase the load current and load power. FT68200 series allow for master-slave parallel operation of up to 10 identical loads.

  • Page 36: Function Description

    In remote operation mode, the load can only be controlled by programming commands. To return to the local operation mode, just press the Enter key. 3.2. Static Test FT68200 series load provides four kinds of static operation modes: Constant Current (CC), Constant Voltage (CV), Constant Resistance (CR) and Constant Power (CP).

  • Page 37: Constant Current Mode

    Faithtech FT68200 Operation Manual 3.2.1. Constant Current Mode Press to switch to CC mode. Figure 3- 1 CC Mode Program In CC mode, the load will sink a current in accordance with the programmed value regardless of the input voltage.

  • Page 38: Constant Voltage Mode

    Faithtech FT68200 Operation Manual Press , rotate the rotary knob to change the current value, or press number key to input the current value, finally press “Enter” key again to validate the input. Set Current Limit FT68200 provides "current upper limit" and "current lower limit" setting items. When these two parameters are set to non-zero values, the current setting range in constant current mode is limited between the upper current limit and the lower current limit.
  • Page 39 Faithtech FT68200 Operation Manual Figure 3- 4 CV Mode Switch Voltage Range CV mode has two ranges: low range and high range. The low range provides better resolution at low voltage setting, while high range provides high votage loading. Press to switch between high and low ranges.

  • Page 40: Constant Resistance Mode

    Faithtech FT68200 Operation Manual Press (Menu) to go to main menu; Select “Set”->“Limit”, Press to go to limit setting page; Select “V_MAX” and “V_MIN”, to set the desired value. 3.2.3. Constant Resistance Mode Press to switch to CR mode. Figure 3-5 CR Mode In CR mode, the load will sink a resistance in accordance with the programmed value regardless of the input voltage.

  • Page 41: Constant Power Mode

    Faithtech FT68200 Operation Manual Set Resistance Limit FT68200 provides "resistance upper limit" and "resistance lower limit" setting items. When these two parameters are set to non-zero values, the resistance setting range in constant resistance mode is limited between the upper limit and the lower limit. This function can prevent user misoperation and protect the device under test.

  • Page 42: Dynamic Test

    Faithtech FT68200 Operation Manual Set Load Power Press , rotate the rotary knob to change the power value, or press number key to input power value, finally press “Enter” key again to validate the input. Set power limit FT68200 provides "power upper limit" and "power lower limit" setting items. When these two parameters are set to non-zero values, the power setting range in the constant power mode is limited between the power upper limit and the power lower limit.
  • Page 43 Faithtech FT68200 Operation Manual In continuous mode, the electronic load will continuously switch between CC-1 and CC-2. Unless you exit the dynamic test or turn off the load, the load will continue to execute according to the set parameters, and this method is not affected by the trigger signal.

  • Page 44: Slew Rate And Minimum Conversion Time

    Faithtech FT68200 Operation Manual Press to start test. Notice: When the slope setting conflicts with the pulse width setting, priority is given to ensuring the pulse width. TOGG Mode (Toggle) In TOGG mode, if a trigger signal is received, the load will switch between current-1 and current-2, and the switching time is determined by the slope.

  • Page 45: Input Control

    Faithtech FT68200 Operation Manual 图 3-13 Slew rate and conversion time relation Notice: When the load is switching from a small current value to a large current value, the minimum conversion time is equal to the current difference divided by the...

  • Page 46: System Menu Configuration

    Faithtech FT68200 Operation Manual when the load is short-circuited depends on the electronic load working mode and range of current. In CC, CR and CP modes, the maximum short-circuit current is the maximum value of the present range; in CV mode, the short-circuit operation is equivalent to setting the constant voltage value of the load to 0V.

  • Page 47: Set Menu Configuration

    Faithtech FT68200 Operation Manual GPIB Set GPIB communication address Protocol Optional Modbus or SCPI Restore Factory Restore to factory set factory set Optional traditional Chinese/Simplified Others Language Chinese/English Sound Turn on/off key sound Whether to save the input parameter to non-volatile...
  • Page 48 Faithtech FT68200 Operation Manual Auto Disp Under the automatic test function, the test result display mode configuration Default: display the last test result; 1～10Sec: The measurement result display time; Cut Off: Remove the measurement result after removing the device under test...

  • Page 49: Trigger

     External trigger (TTL level), FT68200 series provide an “INHIBIT” port on its rear panel, when this port behavior is configured to “Trigger” then it can be used as an external trigger signal input terminal. Just set "EXT-S" in “Set”->”APG” sub menu to “Trigger”, apply a low pulse to the INHIBIT terminal, and the load will...

  • Page 50: Current Limit

    Faithtech FT68200 Operation Manual Figure 3- 14 Von loading and Voff unloading waveform Press (Menu) to go to main menu, select “set” and press  to pop up sub menu, then select “Protect” and press to go to protect set;...

  • Page 51: Voltage Remote Sense

    Faithtech FT68200 Operation Manual Operation Procedures Press (Menu) to go to main menu; Select “Set”->“Protect”, press to go to protect set; Set “I_LIMIT”, press to set current limit value. 3.12. Voltage remote sense S+ and S- are remote sense terminals, used for electronic load sampling system to provide remote voltage signal.

  • Page 52: Analog Programming

    Faithtech FT68200 Operation Manual signal is 0.5%+0.5%F.S. Figure 3- 15 Relationship between output voltage signal and load input current Using the current monitoring output function, users can easily monitor the load current with the help of an external digital voltmeter or oscilloscope.

  • Page 53: Instantaneous Two Times Overpower Loading

    Faithtech FT68200 Operation Manual  Select “APG”, press , set it as “ON” and press to confirm input. Notice: 1. The analog input is an isolated port, and the maximum withstand voltage is 12V 2. Analog signal bandwidth ≤ 20K, slew rate is less than 100V/ms 3.

  • Page 54: Protection

    Faithtech FT68200 Operation Manual 3.16. Protection FT68200 series load provides following protections: Overvoltage protection  Overcurrent protection   Overpower protection  Overtemperature protection Input Reverse Connection protection  Low voltage protection   Communication Timed Out protection When a protection occurs, the load will turn off the loading, sound an alarm, and display a corresponding error message.
  • Page 55 Faithtech FT68200 Operation Manual Overpower Protection The load has two types of over-power protection: hardware over-power and software over-power. Hardware overpower protection: When the input power exceeds 105% of the  rated power of the load, the hardware overpower protection will be triggered and the screen will prompt "OP".

  • Page 56: Sequence Test

    The sequence test function is used to simulate high-speed and accurate current waveforms. The FT68200 series load provides 20 sequence files, and each file supports up to 100 steps. In order to simplify the editing process and improve the operating speed and accuracy, the sequence file runs in the constant current high range, that is, CCH mode.
  • Page 57 Faithtech FT68200 Operation Manual Set “Length”, press to confirm, cursor moves to “Cycle”; Set “Cycle”, press to confirm, cursor moves to “Link”; Set “Link”, press to confirm, cursor moves to “SEQ Step”; Set “SEQ Step”, press to confirm, cursor moves to “I-Set”;...

  • Page 58: Discharge Test

    Faithtech FT68200 Operation Manual Set “Run file”, press to confirm the input; Press to start sequence test. "Step: XX" displays the sequence step number which is running, and "Cycle: XXXXX" displays the number of completed cycles of the sequence file.

  • Page 59: Ocp Test

    The FT68200 series load provides an OCP current judgment function, which can judge the range of the measurement result and report PASS or FAIL.
  • Page 60 Faithtech FT68200 Operation Manual Rotate the knob to select “OCP”, press and the screen displays as follows: Figure 3- 21 OCP TEST Configure OCP test parameters; Press to start OCP test; The "OCP 12.5A" item in the readback area is the test result and the current value of the overcurrent point.

  • Page 61: Opp Test

    The FT68200 series load provides the OPP power judgment function, which can judge the range of the measurement result and report PASS or FAIL.

  • Page 62: Battery Internal Resistance Test

    Faithtech FT68200 Operation Manual Parameter Explanation Name Explanation Von Volt OPP test turn-on voltage Von Delay Delay load time after the input voltage reaches the turn-on voltage, range: 0.0～60.0 seconds Orig Power OPP test initial load power Rise Power Increment power value for each step Delay Running time per step, range: 0.01～3600.0 seconds...
  • Page 63 Faithtech FT68200 Operation Manual Operation Procedures Press (Test) to go to “Test” function selection; Rotate the knob to select “DC_R”, press and screen displays as follows: Figure 3-24 Battery Internal Resistance Test Configure the parameters; Press to start battery internal resistance test;...

  • Page 64: Load Effect Test

    Faithtech FT68200 Operation Manual 3.22. Load Effect Test The load effect test function is mainly used to test the load regulation rate of the power supply. The implementation principle is: the load is loaded with constant current at low, voltage is measured. Finally, calculate the voltage change ∆V, the load regulation rate, and medium and high levels respectively, each current lasts for a period of time, and the input ∆V = V...

  • Page 65: Led Test

    Faithtech FT68200 Operation Manual I-Set Test current at medium level Delay The continuous loading time of each current, the range is 0.1～60.0 seconds Notice: It is recommended to configure the load as voltage remote sense when using load effect test function.
  • Page 66 Faithtech FT68200 Operation Manual Figure 3-27 Equivalent Circuit for Multiple LED Serial Connection There is a curve relationship between the voltage V and the current I at both ends of the LED, referred to as the VI curve of the LED. The following is the VI curve of a certain brand LED.
  • Page 67 Faithtech FT68200 Operation Manual us assume that the LED operates at a current of I = 55mA. Through the corresponding VI curve, we can get the LED voltage V = 3V in this state. The equivalent internal led1 resistance in this state can be calculated by the following formula: R...

  • Page 68: Dynamic Sweep

    Faithtech FT68200 Operation Manual Set LED simulation test parameters; Press to start LED test. Parameter Explanation Name Explain V_LED Forward working voltage I_LED Forward working current COEF Inner resistance coefficient, the range is 0.01～1.00 3.24. Dynamic SWEEP The maximum frequency of the dynamic sweep function is up to 30kHz. During the...

  • Page 69: Compound Modes Cv+Cc, Cr+Cc, Cp+Cc

    Dwell time range 0.001～99.999s 3.25. Compound Modes CV+CC, CR+CC, CP+CC FT68200 series loads provide 3 compound operation modes: CV+CC, CR+CC, CP+CC. The compound operation mode is to add CC current limit setting in the CV/CR/CP static mode, which can help engineers effectively solve the problem of excessive instantaneous current during test, and protect the DUT from triggering protection or even damage.

  • Page 70: Parallel

    Faithtech FT68200 Operation Manual Operation Procedures Press (Test) to go to “Test” function selection; Rotate the knob to select compound modes such as “CV+CC”, “CR+CC”, “CP+CC”, press and the screen displays as follows: Figure 3-32 Compound Operation Modes Configure compound modes parameters;...
  • Page 71 Faithtech FT68200 Operation Manual Figure 3- 33 Parallel Connection Operation Procedures Shut down all 3 loads to ensure the safety of wiring; Use standard network cable to connect SYSTEM BUS terminal; Use the parallel analog cable to connect the ANALOG terminal (the parallel analog cable needs to be purchased separately);...

  • Page 72: P-Capture

    Faithtech FT68200 Operation Manual Figure 3- 34 Parallel Master Set Set “M_or_S” as Slave1 (set another unit as Slave2 likewise); Next set master: set the last unit “M_or_S” as Master; 10. Set “NUM_of_S” as 2; 11. Set “MS_CTRL” as ON;...

  • Page 73: Time Measurement

    Faithtech FT68200 Operation Manual Figure 3- 36 V Capture Test Press to start loading and V Capture Test at the same time; Press to stop loading and V Capture Test at the same time. 3.28. Time Measurement The time measurement function is used to measure the time between the signal start point and end point.
  • Page 74 Faithtech FT68200 Operation Manual Figure 3- 37 Time Measurement Operation Procedures Press (Menu) to go to main menu; Select “Set”->“Timing”, press to go to time measurement set page; Figure 3- 38 Time measurement parameter setting page Beg TRIG and End TRIG can be set as Volt (voltage), or Curr (current), or Ext (external level signal);...

  • Page 75: Save And Recall

    Faithtech FT68200 Operation Manual Figure 3- 39 Time measurement Press to start a time measurement test; After the load detects the complete start signal and end signal, the time measurement ends, the screen prompts “SUCCESS” and the measured time is displayed in ms.
  • Page 76 Faithtech FT68200 Operation Manual designated location for the user to recall and use conveniently. If shortcut recall feature is enabled, just press a number key to recall the saved parameters. This function can significantly reduce user operations and improve test efficiency.

  • Page 77: Power Save

    10. 3.30. Power Save The FT68200 series electronic load provides a power-down save function. After power-down save is enabled, the load will restore the parameters of the last shutdown when it is powered on; otherwise, the load will be initialized to the default parameters.
  • Page 78 Faithtech FT68200 Operation Manual Figure 3- 41 External Control Signal Wiring The FT68200 series load provides an external control signal port on its rear panel. This port receives TTL level signal, low level is effective, and its filtering time is about 20ms.

  • Page 79: Output Signal

    Faithtech FT68200 Operation Manual 3.32. Output Signal The FT68200 series load provides an OUT output signal port on its rear panel. This port outputs a TTL level signal, and its function is as follows: In the automatic test function, when the test result is PASS, it outputs a high level, otherwise it outputs a low level.

  • Page 80: Automatic Test

    4.1. Edit Auto Test File The FT68200 series load can store up to 50 automatic test files, and each automatic file supports up to 20 test steps. The method and steps for editing the automatic test file are described below.
  • Page 81 Faithtech FT68200 Operation Manual Rotate the knob or input number to set the length, press to confirm, cursor moves to “Auto Step”; Input the step number, press to confirm, cursor moves to “mode”; Select a mode from CC, CV, CR, CP, press to confirm, cursor moves to “Step-Time”;...

  • Page 82: Run Auto Test File

    Faithtech FT68200 Operation Manual 11. "Max_Trip" specifies the upper limit of the judgment range. After the setting is completed, press the button to confirm, and the cursor will automatically move to the next item "Min_Trip"; 12. “Min_Trip” specifies the lower limit of the judgment range, after the setting is completed, press to confirm, cursor moves to “Auto Step”...

  • Page 83: Self-Starting Of Auto Test

    Faithtech FT68200 Operation Manual The "Step: 0" display item in the readback area is the present running step of the automatic file. PASS means that all steps have passed the test, FAIL means that one or more steps have not passed the test.

  • Page 84: Communication Description

    Faithtech FT68200 Operation Manual 5. Communication Description FT68200 series load provides mutiple communication interfaces, such as standard RS232, LAN, RS485, USB (serial), optional GPIB and CAN interfaces. It supports SCPI and Modbus protocol. 5.1. Communication Configuration Press (Menu) to go to main menu;...

  • Page 85: Interface Definition

    Faithtech FT68200 Operation Manual 5.2. Interface definition 5.2.1. RS232 Figure 5- 2 RS232 serial port Table 5- 1 RS232 signal definition Definition Function N.C. Receive Send Ground N.C. 5.2.2. RS485 and CAN Table 5- 3 RS485 and CAN ports Table 5-2 RS485 and CAN signal definition...

  • Page 86: Usb (Serial)

    Faithtech FT68200 Operation Manual 5.2.3. USB (serial) Figure 5-4 USB serial port Table 5-2 USB signal definition Definition Function Power source Ground Data negative Data positive...

  • Page 87: Troubleshooting

    Follow the actions described in this chapter to inspect the instrument and troubleshoot the problem if the load does not operate normally. Contact Faithtech authorized agent or Faithtech after-sales if the information provided in this manual does not resolve the problem.

  • Page 88: Appendix A: Functions And Model Version

    Faithtech FT68200 Operation Manual Appendix A: Functions and Model Version Test Function High performance Economical version version (A) Static CCH √ √ Static CCL √ √ Static CVH √ √ Static CVL √ √ Static CR √ √ Static CP √...

  • Page 89: Appendix B: Precautions For Battery Test

    Faithtech FT68200 Operation Manual Appendix B: Precautions for Battery test When testing high-power and high-voltage batteries, pay attention to the safety of related applications, especially safe wiring. In the application of battery discharge test, it is recommended to use the following installation and wiring methods to ensure the safe operation of the electronic load.

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