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Summary of Contents for Tonghui TH8101
- Page 1 TH8101 Program-controlled DC Load Manual OPERATION MANUAL TH8101 Program-controlled DC Load Changzhou Tonghui Electronic Co., Ltd. (VER1.0)
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Page 2: Table Of Contents
TH8101 Program-controlled DC Load Manual Chapter 1 General Information ......................... 1 Brief introduction ..........................1 Specifications ............................ 2 1.2.1 Main specifications: ....................... 2 1.2.2 Working environment ......................3 1.2.3 Working power supply ..................... 3 1.2.4 Dimensions ..........................3 1.2.5 Weight ............................ - Page 3 TH8101 Program-controlled DC Load Manual 4.10.2 Over-current protection ....................... 31 4.10.3 Over-power protection ......................31 4.10.4 Alarm of input polarity in reverse ..................32 4.10.5 Over-heat protection ......................32 Chapter 5 Examples ............................33 Battery test ............................33 5.1.1 Parameter ..........................33 5.1.2...
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Page 4: Chapter 1 General Information
Chapter 1 General Information 1.1 Brief introduction TH8101 program-controlled DC electronic load is designed based on a wide range of user feedback and long-term professional experiences in electronic load area. The new design of the circuit uses fast AD and DA to ensure high-speed and high-precision measurement. -
Page 5: Specifications
TH8101 Program-controlled DC Load Manual 1.2 Specifications 1.2.1 Main specifications: Model TH8101 TH8103 TH8101A TH8103A TH8103B 0~150V 0~500V 0~120V Input voltage 0.1mA~30A 0.1mA~15A 0.1mA~60A Rated value Input current Input power 150W 300W 150W 300W 300W Range Accuracy Resolution Accuracy Resolution... -
Page 6: Working Environment
TH8101 Program-controlled DC Load Manual T1&T2（test time of A value or B value） ：0.025mS-999S Deviation＜2.5% + 0.01mS Dynamic test ＞Rated condition 5% Protective range ≥200KΩ Impedance of input terminal W*H*D 230mm*100mm*350mm Dimension Power 150W:5.5 Kg Power 300W:6.5Kg Weight 1.2.2 Working environment Temperature: 0℃～40℃... -
Page 7: Chapter 2 Panel Description
TH8101 Program-controlled DC Load Manual Chapter 2 Panel Description 2.1 Front panel Name Description Display Refer to 2.4 Knob Input port: Red for positive pole, and Voltage polarity in reverse may result in black for negative pole large current Keys Refer to 2.3... -
Page 8: Keys
TH8101 Program-controlled DC Load Manual Name Description Don’t block and keep good ventilation. 6, 7 Cooling window Remote measurement and trigger input Refer to Index A for port configuration interface RS232C communication interface AC 220V power input Fuse of 1A inside ... - Page 9 TH8101 Program-controlled DC Load Manual District Description Note description I=：Constant current setup value V=：Constant voltage setup value Load setup P=：Constant power setup value parameters R=：Constant resistance setup value W：Real-time power display CC：Constant-current working of load CV：Constant-voltage working of load Load...
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Page 10: Chapter 3 Menu
TH8101 Program-controlled DC Load Manual Chapter 3 Menu 3.1 General information The menu includes all the contents of setup of instrument and parameters with the same entry (Shift + MENU), or enter submenu directly in shortcut mode. In waiting status, press 【Shift】+【▼】 (Menu) key to menu function, and the available menus are displayed. - Page 11 TH8101 Program-controlled DC Load Manual POWER ON CALL Number 0～9 for file No. KEY BEEP KEY LOCK KNOB LOCK TRIGGER SOURCE SYSTEM CONFIG RS-232 MODE Single Multiple LOCAL ADDRESS 000～127 BAUD RATE 8 baud rates: 4800 9600 11520 12800 14400 19200 28800 38400...
- Page 12 TH8101 Program-controlled DC Load Manual WIDTH B Press【Ent】key to input the time（ms） RISE RATE Press【Ent】key to input the data FALL RATE Press【Ent】key to input the data CONT Tran Mode PULS (MODE SELECT) TRIG EXIT Back to Tran Test Set PROG MODE...
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Page 13: Shortcut Menu
TH8101 Program-controlled DC Load Manual CONST-CURR CONST-VOLT LIST LOAD CONST-POWER CONST-RES SHORT OPEN LEVEL Press【Ent】key to input STEP 01～15 the set value (press【Ent】key to enter into the DELAY Press【Ent】key to input secondary submenu) the time COMPARE INVOLT INCURR INPOWER LIMIT LOW Press【Ent】key to input... -
Page 14: Menu Setup
TH8101 Program-controlled DC Load Manual SHIFT + CONFIG To enter submenu of system configuration SHIFT + SETUP To enter submenu of load setup SHIFT + CALL To enter submenu of file recall SHIFT + SAVE To enter submenu of file save... - Page 15 TH8101 Program-controlled DC Load Manual in the range of low current. Otherwise, it will work in the range of high current. Example: If actual working current is less than 2.5A, select menu to Max Current, and press 【Ent】 key to enter, then press 【Ent】 key again to input numbers. Press 【2】 【.】 【5】 . Afterwards, press 【Ent】...
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Page 16: System Config
TH8101 Program-controlled DC Load Manual Rise Rate To control the rise speed of load current, avoiding the measured power supply protection or damage caused by excessive current rise. The unit is us and you can set the current range between 0.0001A-1.5A / ... - Page 17 TH8101 Program-controlled DC Load Manual All the submenus in System Config can be selected through 【▲】 and 【▼】 keys or knob. Power-on Call At the time of Power-on Call = OFF, the function is off. When number 0 to 9 is selected, the corresponding file will be automatically loaded when the instrument is turned on.
- Page 18 TH8101 Program-controlled DC Load Manual RS-232 Mode The RS232C communication interface can be used for the communication of multi units. One PC can communicate with multi electric loads, which can be used for parallel of loads. 8-bit digit mode is applied for either multi-unit communication or single-unit communication.
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Page 19: Battery Test Set
TH8101 Program-controlled DC Load Manual Battery Test Set 3.4.3 Please set parameters of battery test before starting the test. Discharge Current Battery discharge test works in constant current mode and the current is determined by the discharge current settings. -
Page 20: Prog Test Set
TH8101 Program-controlled DC Load Manual Width A It is to set width of point A. After entering Width A menu, input the value and press【Ent】key to confirm with the unit of ms. Level B It is to set value of point B. After entering Level B menu, input the value and press【Ent】key to confirm with the unit of A or V which depends on the load type. - Page 21 TH8101 Program-controlled DC Load Manual Please set the list test parameters before using the scan test function. PROG Mode Select the load type of the scan test, press 【Ent】 key to enter and use 【▲】 or 【▼】 key to select the load type, press【Esc】key to return.
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Page 22: Led Test Set
TH8101 Program-controlled DC Load Manual following options: InPower InCurr InVolt Low Limit Set the lower limit of the compare range. Press the number keys to input the value and press 【Ent】 key to confirm. High Limit Set the lower limit of the compare range. Press the number keys to input the value and press 【Ent】... -
Page 23: List Test Set
TH8101 Program-controlled DC Load Manual LED Rd (Resistance value setting) Press the number keys to input the value and press【Ent】key to confirm. 3.4.7 List Test Set Please set parameters of list test before using list test function. 3.4.7.1 Step Number It is to set steps of list test, reaching to maximum 15 steps. - Page 24 TH8101 Program-controlled DC Load Manual Constant Resistance (CR): ConstRes Constant Power (CW): ConstPower Constant Voltage (CV): ConstVolt Level It is to set the current load. If load is set to be short or open, the value is invalid. After entering Level menu, press numeric key to input the value and press【Ent】key to confirm.
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Page 25: Clear File
TH8101 Program-controlled DC Load Manual 3.4.8 Clear File Performing this operation will clear all test sequence files saved inside the instrument. Please operate prudently. 3.4.9 Save File It is to save test parameters, including current load mode, set load (constant current, constant voltage, constant power and constant resistance), battery test parameters, dynamic test parameters and list test parameters. -
Page 26: Exit
TH8101 Program-controlled DC Load Manual 3.4.11 Exit In this menu, 【Ent】 key is pressed to exit back, as pressing【Esc】key. -
Page 27: Chapter 4 Test Operation
TH8101 Program-controlled DC Load Manual Chapter 4 Test Operation The chapter mainly introduces how to make load operation and different test modes. 4.1 Mode of constant current (CC) In the mode of constant current, a constant current is consumed, in spite of the change of input voltage. -
Page 28: Constant Power Mode (Cp)
TH8101 Program-controlled DC Load Manual Set voltage Input voltage Load current In other load modes, press 【CV】 key to enter constant voltage mode. Press 【ON/OFF】 key to start or stop working. Note: Refer to 4.1 to change set voltage value. -
Page 29: Battery Test Mode
TH8101 Program-controlled DC Load Manual Slope (resistance setup) Load current Input voltage Common CR mode: In other load modes, press【CR】key to enter constant resistance mode. Press 【ON/OFF】 key to start or stop working. Resistance setting range: 0.1Ω ~ 4000Ω CR-LED constant resistance mode: Set the LED Rd resistance value and the Led Vd (conduction voltage) in the Led Test Set in the main menu and then select the test mode to LED mode. -
Page 30: Short-Circuit Test Mode
TH8101 Program-controlled DC Load Manual In other load modes, press 【SHIFT】 + 【BAT】 key to enter discharge test mode; press 【ON/OFF】 key to start discharge test, and press it again to stop test. After discharge, count will be restarted. Before discharge test starts, discharge parameters should be set first. Press 【SHIFT】+【S_BAT】 key to enter discharge parameter setup menu, including Discharge Current, Minimum Voltage. -
Page 31: Continuous Mode (Cont)
TH8101 Program-controlled DC Load Manual In other modes, press 【SHIFT】+【TRAN】 key to enter dynamic test mode. Press 【ON/OFF】 key to start or stop the test. Before the dynamic test starts, related parameters of dynamic test should be set first. Press【SHIFT】+ 【S_TRAN】key to enter parameter setup menu, including Level A, Width A, Level B, Width B, Rise rate,... -
Page 32: Trigger Mode (Trig)
TH8101 Program-controlled DC Load Manual 4.7.3 Trigger Mode (TRIG) After the dynamic test starts, load works in Level A or B. Once receiving a trigger signal, the load switches between Level A and B. Width A and B are invalid in this mode. -
Page 33: Ocp, Ovp Test
TH8101 Program-controlled DC Load Manual Press 【ON / OFF】 to start or stop the list test. If you set the list step mode to trigger, wait for the trigger signal after starting. Note: In the trigger mode, it will accept the trigger to the next load after the test delay. -
Page 34: Protection Function
TH8101 Program-controlled DC Load Manual or stop the scan test. 4.10 Protection Function The electric load only works in the range of nominal voltage, current and power which differ with different models. Please refer to 1.2.2 for detailed specifications. User-level voltage, current and power protection can be set by user, referring to 3.4.2 for load setup, including Max Voltage, Max Current, Max Power. -
Page 35: Alarm Of Input Polarity In Reverse
TH8101 Program-controlled DC Load Manual 4.10.4 Alarm of input polarity in reverse Warning: At the time of polarity connection in reverse, load loses of control. And electric load is in short circuit status. Caution！ At the time of polarity connection in reverse, load stops working and alarms. The following information is... -
Page 36: Chapter 5 Examples
TH8101 Program-controlled DC Load Manual Chapter 5 Examples The chapter introduces examples in battery test, dynamic test and list test. Battery test 5.1.1 Parameter ——6V Battery rated voltage ——500mA Discharge current ——3V Min. voltage Setting 5.1.2 Operation Display In waiting status, press 【SHIFT】 + 【MENU】 key BATTERY TEST SET to enter menu, then press 【... -
Page 37: Test
TH8101 Program-controlled DC Load Manual Press 【ESC】key to quit, press【Ent】key to confirm. Press 【SHIFT】+【BAT】to enter into Battery test interface. 5.1.3 Test Operation Display Connect battery to be tested with electric load in right polarity. Press【ON/OFF】key to start test. After consumed... -
Page 38: Setup
TH8101 Program-controlled DC Load Manual 5.2.2 Setup Operation Display In waiting status, press【SHIFT】+【MENU】key TRAN TEST SET to enter menu, then press 【▼】 key to select Tran Test Set, press 【 Ent】 key to enter setting menu, or press 【SHIFT】+【S-TRAN】 key to enter Tran Test Set menu. -
Page 39: Test
TH8101 Program-controlled DC Load Manual Press【ESC】key to exit back to previous menu, then press【▼】key to select MODE SELECT. Press【Ent】key to enter and use【▲】 【▼】key to select CONT. Press 【ESC】 key till exiting menu, then press 【SHIFT】 + 【TRAN】 to enter dynamic test page. -
Page 40: Setup
TH8101 Program-controlled DC Load Manual 5.3.2 Setup Operation Display In waiting status, press 【SHIFT】 + 【MENU】 key to enter menu, then press【▼】key to select List Test Set, press 【 Ent】 key to enter setting menu, or press 【SHIFT】 + 【S-LIST】 to enter List Test Set. - Page 41 TH8101 Program-controlled DC Load Manual Press 【ESC】 key to exit back to setting menu of step 01, then press 【▼】 key to select Compare. Press 【Ent】 key to enter and use【▲】 【▼】 key to select INVOLT. Press 【ESC】 key to exit back to setting menu of LIMIT LOW step 01, then press 【...
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Page 42: Test
TH8101 Program-controlled DC Load Manual Load value Delay time Comparator Low limit High limit Respectively set parameters of step 03（CV）, step If paramaters of step 03 and step 04 are 04（CV）, step 05（SHORT）. similar, Copy To Next can be used. -
Page 43: Prog Test
TH8101 Program-controlled DC Load Manual During the test, 【ON/OFF】 key can be pressed any time to stop test.. After the normal test, whole judgment result will be displayed in status information area (if comparator is turned on in any step). -
Page 44: Test
TH8101 Program-controlled DC Load Manual Press 【ESC】 key to exit back to the first display and then press 【▼】 key to select STEP VALUE. Press【Ent】key to input the step value and press 【Ent】key to confirm. Press 【ESC】 key to exit back to the first display and then press 【▼】... - Page 45 TH8101 Program-controlled DC Load Manual Press【ON/OFF】key to start prog test. When the test reach the protection current and voltage drop occurs, the prog test ends and the current will be captured and displayed.
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Page 46: Appendix A Remote Measurement And External Trigger
TH8101 Program-controlled DC Load Manual Appendix Remote measurement and external trigger Remote measurement When the load consumes large current, voltage drop will be occurred in the connecting line between the measured power and the load thus affecting the voltage measurement accuracy. In CV, CR, CP mode, voltage sampling accuracy will affect the working accuracy of the electronic load. -
Page 47: Appendix Brs232C Communication Interface
TH8101 Program-controlled DC Load Manual Appendix B RS232C communication interface RS232C interface can be used to communicate with PC and PLC for build an automatic test system, or multi-sets test system through RS485. The instrument provides multiple commands and almost all functions in instrument panel can be operated in PC through RS232 interface. -
Page 48: B2 Communication
TH8101 Program-controlled DC Load Manual Warning: Before connecting or disconnecting the connector, please power off the instrument to avoid electrical shock hazard. Warning: Do not short the output terminal or case so as to avoid damage to the DUT. Communication... -
Page 49: B3 Rs485 Multi-Set Communication
TH8101 Program-controlled DC Load Manual RS485 multi-set communication If building a multi-set communication system, RS485 bus needs expanding and RS232-RS485 converter can be used to connect multiple sets to RS484 bus, which can realize that one PC controls multiple sets (127 sets at most) of electronic load.
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