Et system N69200 Series Manual

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Datasheet N69200

Offizieller Partner von NGI: Service und Vertrieb direkt durch ET System electronic GmbH.

Official partner of NGI: Service and sales directly through ET System electronic GmbH.

ET System electronic GmbH

www.et-system.de

Hauptstraße 119 – 121

D – 68804 Altlußheim

Electronic DC load

N69200 Series

2kW~60kW

Vertrieb Kontakt: Tel.: +49 (0)6205 / 394 80

ales contact:

info@et-system.de

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Page 1 Vertrieb Kontakt: Tel.: +49 (0)6205 / 394 80 www.et-system.de D – 68804 Altlußheim ales contact: info@et-system.de © ET System electronic GmbH, Änderungen ohne Vorankündigung, Irrtümer und Änderungen vorbehalten © ET System electronic GmbH, Subject to modiﬁcation without notice, errors and omissions exepted...
Page 2: Copyright Statement
Copyright Statement Hunan Next Generation Instrumental T&C Tech. Co., Ltd. (NGI for short) Without the prior permission and written consent of NGI, no content in this manual may be reproduced in any form (including electronic storage and retrieval or translation into a foreign language). NGI shall not be liable for errors or for incidental or consequential damages in connection with the provision, use or application of this manual and any information contained herein.
Page 3: Table Of Contents
Contents PREFACE ........................1 Safety Instructions ...................... 2 2.1 Safety Symbols ....................2 2.2 Safety Instructions .................... 3 2.2.1 Personal Safety ..................3 2.2.2 Electric Safety ..................4 2.2.3 Environmental Safety ................4 2.2.4 Mechanical Safety ................. 5 Inspection and Installation ..................5 3.1 Open-package Inspection .................
Page 4 5.2.4 Constant Power (CP) ................39 5.2.5 Constant Voltage Constant Current (CVCC) ........41 5.2.6 Constant Resistance Constant Current (CRCC)........43 5.2.7 Constant Power Constant Current (CPCC) .......... 45 5.2.8 Constant Voltage Constant Resistance (CVCR) ........47 5.3 Dynamic Test (TRAN) ..................49 5.3.1 Function Description ................
Page 5 5.16 Application ....................77 5.17 System ......................80 5.18 Protection ..................... 83 5.18.1 VON/VOFF ..................84 5.18.2 Timed Unloading ................85 5.19 Factory Reset ....................86 5.20 About Us ....................... 87 6 MAINTENANCE AND SELF-INSPECTION ..............88 6.1 Regular Maintenance ..................88 6.2 Fault Self-inspection ..................
Page 6: Preface
Preface Dear Customers First of all, we greatly appreciate your choice of N69200 series DC electronic load (N69200 for short). We are also honored to introduce our company, Hunan Next Generation Instrumental T&C Tech. Co., Ltd.( NGI for short). About Company NGI is a professional manufacturer of intelligent equipment and test &...
Page 7: Safety Instructions
Safety Instructions 2.1 Safety Symbols The following terms or symbols may appear in this manual or on products: Warnings A warning notice denotes a hazard. It requires attention to be paid to the execution of operational steps, pointing out conditions and behaviors that may endanger the life and safety of the operator.
Page 8: Safety Instructions
Signal ground Risk of electric shock High temperature WARNING Hazardous sign warning Caution Be careful Warning Table 2-1 Safety symbol identification 2.2 Safety Instructions In the process of operating and using the instrument, please strictly observe the following precautions. Failure to observe the following precautions or the specific warnings indicated in other sections of this manual may weaken the protection provided by the equipment.
Page 9: Electric Safety
2.2.2 Electric Safety Warnings  Do not use damaged equipment. Before using the equipment, make sure the equipment is not damaged, otherwise it may cause electric shock or fire.  Before operating the equipment, please make sure that the equipment ground rod is well grounded! ...
Page 10: Mechanical Safety
 It is strictly forbidden to put the equipment near the heat source or fire source. The heat of the equipment may cause damage to the equipment or cause a fire.  In the operation of the equipment, do not block the ventilation or cooling system of the equipment, otherwise it may damage the equipment or fire.
Page 11 2, please refer to the packing list, check whether the accessories are complete; 3. Check whether the overall appearance of the equipment is abnormal. Remarks 1. If there is any missing or damaged, please contact NGI authorized dealer or after-sales service department immediately. Do not return the device without a positive response.
Page 12: Power Connection
3.2 Power Connection Before connecting the power cord, to prevent electric shock and damage to the instrument, please observe the following precautions: Warnings  Please ensure that the power supply voltage matches the rated power supply voltage of the instrument; ...
Page 13: Connection
3.3 Connection 3.3.1 Input Connection To prevent electric shock and damage to the instrument, please observe the following precautions: Warnings  Make sure the device is powered off before connecting to the DUT.  Before connection, please confirm rated value of test cable and do not measure the current above the rated value.
Page 14: Sensing Connection
3.3.2 Sensing Connection The load has two voltage measurement methods: remote sense and local sense.  Local Sense If the load is lightly loaded, the input voltage can be measured by local sensing.  Remote Sense Remote sensing is also known as four-wire method sensing. Remote sensing is recommended if the load is operating in the CV, CR, and CP functions and accurate measurements are required.
Page 15: Parallel
Figure 3-2 Low Voltage Operation 3.3.4 Parallel N69200 series provides maximum power of 2~60KW, support master+master, master+slave parallel expansion of higher power. Figures 3-3 and 3-4 show two load connected in parallel (master and slave, master and master), the sample diagram takes a 3U chassis as an example.Extend role of master-slave connection port.
Page 16: Dcir Connection
3.3.5 DCIR Connection Note: DCIR is actually ESR. The load is tested for battery or capacitor internal resistance using the constant current discharge method. The test wiring diagram is shown in Figure 3-5 and 3-6. Figure3-5 Battery DCIR Connection Figure3-6 Super Capacitor DCIR Connection 3.3.6 Discharge/Charge Connection The load has a capacity test function, which can test the capacity of batteries, capacitors or other active devices.
Page 17 Figure 3-7 Discharge/Charge Connection...
Page 18: Power-On Inspection
2. Check whether the fuse of the instrument is blown. If the fuse is blown, replace it with the same type of fuse to avoid accidents. Table 3-1 Fuse specifications N69200 series Model 250V/10A（20mm×5mm） Fuse...
Page 19: Product Introduction
N69200 high-performance high-power DC electronic load is a high-reliability, high-precision, high-performance, multi-functional DC electronic load product. N69200 series has three voltage specifications of 150V, 600V, and 1200V, and the standard 19-inch 3U chassis has a power of up to 6kW, and supports master/slave parallel control, which can realize power expansion in a variety of ways such as master + master and master + slave.
Page 20: Appearance & Dimension
10kHz sine wave programming input  Support LAN/RS232/CAN communication control, optional GPIB communication control 4.2 Appearance & Dimension 4.2.1 Master Dimension N69200 series product dimension: 132.5mm(H)*482.0mm(W)*670.0mm(D) The following is the dimension drawing of the N69200 product’s master unit: Figure 4-1 Front panel dimension (mm)
Page 21: Slave Dimension
Figure 4-2 Side view dimension (mm) Figure 4-3 Rear panel dimension (mm) 4.2.2 Slave Dimension Slave product dimension:132.5mm(H)*482.0mm(W)*670.0mm(D) The following is the dimension drawing of the slave unit: Figure 4-4 Slave Front Panel Dimension (mm) Figure 4-5 Side View...
Page 22: Front Panel Introduction
Dimension of Slave Chassis (mm) Figure 4-6 Slave Rear Panel Dimension (mm) 4.3 Front Panel Introduction 4.3.1 Master Front Panel Introduction ① ② ③ ④ ⑤ ES R Figure 4-7 Front panel Table 4-1 Label Name Description Power switch Power on or off. screen Displays relevant information.
Page 23: Function Button
4.3.1.1 Keyboard Figure 4-8 Keyboard The keyboard of the electronic load is divided into three areas: function keypad, numeric keypad, knob. 4.3.1.2 Function Button Figure 4-9 Function Button Table 4-2 Button Function Select the constant current test function (CC) to set the current input value Select the constant voltage test function (CV) to set the voltage input value.
Page 24: Numeric Button
Select the constant power test function (CP) and set the power input value. Menu key, press this key to enter the main menu. Menu Short-circuit function button to start or end the short-circuit Short test. Range Range switch key. Compound Buttons. Table 4-3 Button Function...
Page 25 Figure 4-10 Numeric Buttons Table 4-4 Button Function Value input key. Decimal point. PROT- CLR Clear the input key. Move the keys left and right to adjust the cursor to the specified position when setting the value. Confirm key. Enter Exit key, which can exit in any working state.
Page 26 Figure 4-11 Knob The functions are described as follows: 1. Adjust the value setting; 2. Select menu items/parameter items; 3. Confirm the set value or selected menu item/parameter item. Adjust the value setting In the value setting interface, turn the knob clockwise to increment the value, and turn the knob counterclockwise to decrement the value.
Page 27: Slave Front Panel Introduction
4.3.2 Slave Front Panel Introduction ① Figure 4-12 Slave Front Panel Table 4-5 Number Name Indicator lights, from left to right, are running indicator, connection indicator, status indicator 4.4 Rear Panel Introduction 4.4.1 Master Rear Panel Introduction ① ③ ② ④...
Page 28 RS232 communication. S+/S- Terminals Used for remote sensing. For connecting external Control signal programming inputs, extended terminal inputs and outputs, and CAN control. Used only for waveform data USB port import. Can be controlled via LAN LAN port communication. Used for master and slave Parallel port parallel interface.
Page 29 4.4.1.2 Control Signal Terminal Figure 4-15 Control Signal Terminal This terminal block (Figure 4-15) is used to connect external programming inputs, current monitoring inputs, and expand the input and output, the pin definitions of which are shown in Table 4-7. Table 4-7 Number Description...
Page 30 The current monitor terminal provides 0-10V voltage output signal, corresponding to the present current range of 0 to full scale input current, the input current value is proportional to the output voltage value on the terminal. For example: a load current full range is 300A, in CCH range, if the loading current is 30A, the output voltage of terminal "I Monitor"...
Page 31: Serial Port (Rs232)
TXD，transmit data Figure 4-16 Pin Identification 4.4.1.4 LAN Port The N69200 series comes with a LAN port that connects the computer to the device's LAN port via a network cable, as shown in Figure 4-17. Figure 4-17 LAN port Remarks N69200 is equipped with three communication ports: RS232, CAN and LAN.
Page 32: Slave Rear Panel Introduction
4.4.2 Slave Rear Panel Introduction ① ② ③ ④ Figure 4-18 Slave rear panel Table Name Description Positive and negative ① input wiring copper Connect input source output. bars Power module ② For parallel connection. expansion port ③ ID DIP switch Slave ID identification.
Page 33: Operation
Operation After the device is turned on, it enters the "CC" interface by default, and you can press the "Menu" key to enter the main menu interface. The main menu interface includes CVCC, CRCC, CPCC, CVCR, Charge, Discharge, OCP Test, OPP Test, CCD Wave, ESR Test, Auto Test, SEQ Edit, MPPT, Sweep, Application, Protection, SZ, Factory Reset, System Setting, About Us 20 submenus.
Page 34 Figure 5-1 Main menu...
Page 35: Interface Introduction
5.1 Interface Introduction After the N69200 series is turned on, the CC mode is displayed, as shown in Figure 5-2. Figure 5-2 Interface introduction Table 5-1 Marking instruction Number Definition Description Specification Product specification Channel readback, including voltage, current, power, time,...
Page 36 Table 5-2 Number Description ① Mode and range, including CCH, CCL, CVH, CVL, CVBH, CVBL, CRH and CRL ② Remote Sensing ON ③ External Programming ON ④ Load status（ON/OFF) ⑤⑥ Alarms, including OVP, OCP, OPP, OTP, TSF, MISS, MOT Table 5-3 Alarms Description Over-power protection...
Page 37: Over-Temperature Protection（Otp
the maximum rated power, the over-rated power protection will be triggered, and the interface alarm will indicate "OPR".  Reverse polarity detection（RV） If the polarity of the power supply is reversed and the load detects the reversed voltage, the interface alarm prompts "RV" and an alarm sound is emitted at the same time.
Page 38: Load Operation Mode
5.2 Load Operation Mode Electronic load can work in the following 8 operation modes: Constant Current (CC) Constant Voltage (CV) Constant Resistance (CR)s Constant Power (CP) Constant Voltage Constant Current (CVCC) Constant Resistance Constant Current (CRCC) Constant Power Constant Current (CPCC) Constant Voltage Constant Resistance (CVCR) 5.2.1 Constant Current (CC) 5.2.1.1 Function Description...
Page 39 1. Press the "CC" key on the main page to Enter the CC interface (for other interfaces, press the ESC key to return to the main page), move the cursor to the target menu through the "◄" "►" key or rotate the "knob" on the front panel, and press the "Enter"...
Page 40: Constant Voltage (Cv)
5.2.2 Constant Voltage (CV) 5.2.2.1 Function Description Under CV mode, the load attempts to sink enough current to maintain the input voltage at the set value. Figure 5-6 shows the working curve: Figure 5-6 CV mode 5.2.2.2 Operation Steps Please refer to the specification table for constant voltage value, constant voltage rate and measuring range.
Page 41 Figure 5-7 Constant Voltage Mode 6. Press the "On/Off" key to turn off, and the display state is "OFF", test finished.
Page 42: Constant Resistance (Cr)
5.2.3 Constant Resistance (CR) 5.2.3.1 Function Description Under CR mode, the load is equivalent to a constant resistance, and the pulling current changes with the input voltage. The working curve is shown in 5-8. Resistance set R=U/I Load current Input voltage Figure 5-8 CR mode...
Page 43 5.2.3.2 Operation Steps Please refer to the specification table for constant resistance value, rise/fall slew rate and measuring range. 1. Press the "CR" key on the main page to Enter the CR interface (for other interfaces, press the ESC key to return to the main page), move the cursor to the target menu through the "◄"...
Page 44: Constant Power (Cp)
5.2.4 Constant Power (CP) 5.2.4.1 Operation Steps Under CP mode, the electronic load operates at the set power, and if the input voltage increases, the input current will decrease and the power P (=U*I) will remain at the set power. Figure 5-10 shows the working curve. Input voltage Power set...
Page 45 7. Press the "On/Off" key to turn on, and the display state is "ON", as shown in Figure 5-11. Figure 5-11 CP mode 8. Press the "On/Off" key to turn off, and the display state is "OFF", test finished.
Page 46: Constant Voltage Constant Current (Cvcc)
5.2.5 Constant Voltage Constant Current (CVCC) 5.2.5.1 Function Description In constant voltage and constant current mode, when the load current is less than the current limit value, the load works at constant voltage value, and when the load current is greater than the current limit value, the load works at constant current mode.
Page 47 7. Press the "On/Off" key to turn on, and the display state is "ON", as shown in Figure 5-13. Figure 5-13 CVCC mode 8. Press the "On/Off" key to turn off, and the display state is "OFF", test finished. Remarks Constant voltage power should be less than 600W, otherwise it will not be converted to constant current.
Page 48: Constant Resistance Constant Current (Crcc)
5.2.6 Constant Resistance Constant Current (CRCC) 5.2.6.1 Function Description Under CRCC mode, when the load current is less than the current limit value, the load current becomes larger as the voltage increases, and when the load current is greater than the current limit value, the load work with the constant current limit value.
Page 49 8. Press the "On/Off" key to turn on, and the display state is "ON", as shown in Figure 5-15. Figure 5-15 CRCC mode Press the "On/Off" key to turn off, and the display state is "OFF", test finished.
Page 50: Constant Power Constant Current (Cpcc)
5.2.7 Constant Power Constant Current (CPCC) 5.2.7.1 Function Description Under CPCC mode, according to the formula P=UI, when the load current is less than the current limit value, the load is pulled by the constant power value, and when the load current is greater than the current limit value, the load works at the constant current mode with the current limit value.
Page 51 8. Press the "On/Off" key to turn on, and the display state is "ON", as shown in Figure 5-17. Figure 5-17 CPCC mode 9. Press the "On/Off" key to turn off, and the display state is "OFF", test finished.
Page 52: Constant Voltage Constant Resistance (Cvcr)
5.2.8 Constant Voltage Constant Resistance (CVCR) 5.2.8.1 Function Description Under CVCR mode, the load first sets the constant voltage value and resistance limit value, and then starts the power output. The load will work at constant voltage mode first. When the output current of the power supply continues to rise and the ratio of the current voltage and current of the load exceeds the resistance limit value, it will be converted to constant resistance mode.
Page 53 Press the "On/Off" key to turn on, and the display state is "ON", as shown in Figure 5-19. Figure 5-19 CVCR mode Press the "On/Off" key to turn off, and the display state is "OFF", test finished.
Page 54: Dynamic Test (Tran)
5.3 Dynamic Test (TRAN) 5.3.1 Function Description The Dynamic function simulates dynamic load behavior in order to test the dynamic characteristics of a power supply. Dynamic testing has three operating modes: Conti, Pulse and Toggle. The Pulse and Toggle modes require a trigger signal, which is either the key combination "Shift+7"...
Page 55: Operation Steps
Shift+7 Shift+7 Figure 5-21 Pulse If Toggle is selected, the trigger signal is received and N69200 will switch between the main value and the transient value, with the switching time determined by the slew. As shown in Figure 5-22. Shift+7 Shift+7 Figure 5-22 Toggle...
Page 56 4. "Mode": turn the "knob" to select the operation mode, press "Enter" key to confirm, you can choose Conti (continuous) / Pulse (pulse) / Toggle (toggle). Different operation mode, corresponding setting parameters are also different, take Conti (continuous) mode as an example; 5.
Page 57: Seq Edit
5.4 SEQ Edit 5.4.1 Function Description Auto edit allows users to edit a complex sequence of changes to achieve continuous loading in different modes. 5.4.2 Operation Steps 1. Press "Menu" to Enter the main menu page, rotate "knob" to select "Auto edit", and press "Enter"...
Page 58 Different load modes have different load main values and load slew rate. If the user chooses a certain load mode, its subsequent setting items will be different. 9. "I-Set": Set the current load master value. The load master value setting item corresponds to the load mode.
Page 59 Figure 5-38 SEQ Edit 14. After this sequence is edited press the key combination "Shift+6 (Save)" to save...
Page 60: Auto Test
5.5 Auto Test 5.5.1 Function Description The auto test function is used to simulate the real waveform with load and provides an efficient specification check process, which significantly improves test efficiency. This function requires calling sequence files for testing (sequence files are edited under the "Automatic Test editing"...
Page 61 "File No." : Rotate the "knob" to select the auto test file and press "Enter" to confirm; 4. Press the "On/Off" key to turn on, and the display state is "ON", observe the display reading, as shown in Figure 5-26. 5.
Page 62: Discharge Test
5.6 Discharge Test 5.6.1 Function Description The discharge function is used to test the discharge of batteries or super capacitors. During the test, the voltage of the battery (or capacitor) continues to decrease. When the voltage at both ends of the battery is detected to be lower than the end voltage, the load is OFF and the discharge of the battery (or capacitor) is stopped.
Page 63 "C-End":Input through the digital key, press "Enter" to confirm, when the discharge capacity is equal to the end capacity, load stops, setting range is 0-6000Ah; Figure 5-23 Discharge test Press the "On/Off" key to turn off, and the display state is "OFF", test finished.
Page 64: Charge Test
5.7.1 Function Description The charge test function is used to perform a charge test on a battery or super capacitor. In addition to providing constant current charging mode, N69200 series loads also add intelligent constant current to constant voltage charging mode.
Page 65 5. "CV Time": input CV time by numeric key, press "Enter" to confirm, the charging duration is equal to the constant voltage time, stop loading, the setting range is 0-86400s; 6. "V-Rate": turn the "knob" to move the cursor to select the CV rate, press "Enter" to confirm, the setting range is 0-10;...
Page 66: Internal Resistance Test (Dcir Optional)
5.8.1 Function Description Equivalent DC Internal Resistance (DCIR) is an important technical indicator for measuring the performance of batteries and supercapacitors. the N69200 series loads provide professional DCIR measurement functions that support a wide range of measurement standards, and have the advantages of accurate and repeatable measurement results.
Page 67: Operation Steps
5.8.2 Operation Steps 1. Press "Menu" to Enter the main menu page, rotate "knob" to select "DCIR", and press "Enter" to enter; 2. Move the cursor to the target menu through the "◄" "►" key or rotate the "knob" on the front panel, and press the "Enter" key to enter the menu settings. 3.
Page 68 Figure 5-32 ESR Test 8. Press the "ON/OFF" key to turn off, and the display state is "OFF", test finished.
Page 69: Over-Power Protection Test (Opp Test)
5.9 Over-Power Protection Test (OPP Test) 5.9.1 Function Description The N69200 series electronic loads have over-power (OPP) testing capabilities. In the OPP test mode, when the input voltage reaches the Von value, the load begins to work, and the current increases according to the step value at regular intervals. At the same time, the load input voltage is detected to determine whether it is higher than the end voltage value.
Page 70 "V-End": Input through the numeric keys, and press "Enter" to confirm; When the voltage of the load is less than the end voltage, the load stops working. "P-End": Input through the numeric keys, and press "Enter" to confirm; When the over-power protection function is enabled, the maximum power is limited to the power value set by the OPP.
Page 71: Over-Current Protection Test (Ocp Test)
5.10 Over-Current Protection Test (OCP Test) 5.10.1 Function Description The N69200 series electronic load has over-current test function. In the over-current test mode, when the input voltage reaches the Von value, the electronic load starts to work, and the current increases according to the step value at certain intervals. At the same time, the load input voltage is detected to determine whether it is higher than the end voltage value.
Page 72 5. "V-End": Input through the numeric keys, and press "Enter" to confirm. When the voltage at both ends of the load is less than the end voltage, the load stops working. 6. "I-End": Input through the numeric keys, and press "Enter" to confirm. When OCP is enabled, the maximum load current is limited to the set value of the protection current.
Page 73: Mppt
5.11 MPPT 5.11.1 Function Description The voltage-current curves are given in Figure 5-37, where Pmax occurs at the intersection of the most Imax and Vmax. Figure 5-37 I-V curve Maximum Power Point Tracking (MPPT) is commonly used to test the maximum output power of solar panels.
Page 74 4. “Step V”: Input through the numeric keys, and press "Enter" to confirm; 5. ”Step T”: Input through the numeric keys, and press "Enter" to confirm; Setting rang 0.1~3600s; 6. ”Pmax”: Maximum power point. Input through the numeric keys, and press "Enter" to confirm;...
Page 75: Dynamic Current Waveform (Ccd Wave Optional)
5.12 Dynamic Current Waveform (CCD WAVE Optional) 5.12.1 Function Description N69200 can simulate real loading current by setting different types of current waveform according to the parameters. Sine, Square, Triangle, Ramp and user-defined waveform can be loaded. The customized waveform data CSV file is imported from U disk, such as "WAVES.CSV".
Page 76 Figure 5-39 Dynamic Current Waveform 11. Press the "On/Off" key to turn off, and the display state is "OFF", test finished.
Page 77: Dynamic Sweep (Sweep)
5.13 Dynamic Sweep ( Sweep) 5.13.1 Function Description The load supports dynamic frequency sweep test to quickly find the voltage of the device under test in the worst case by frequency conversion. By editing two constant current values, step frequency, start frequency, end frequency, dwell time and other parameters for setting, dynamic sweep function sense rate up to 50kHz, can simulate a variety of load conditions.
Page 78 "Dwell": input by numeric keys, set time range 0.01s~10000s, press "Enter" to confirm; "Rise slope": input by numeric key, press "Enter" to confirm; "Fall Slew": input by numeric key, press "Enter" to confirm; "Duty cycle"：In a pulse cycle, the proportion of loaded time relative to the total time, enter by numeric key, press "Enter"...
Page 79: Short Circuit Simulation (Short)
5.14 Short Circuit Simulation (Short) Under the CC mode, CV mode, CR mode, CP mode and TRAN mode, N69200 can simulate short-circuit operation to test the protection performance of the DUT. The current consumption when the load is short-circuited depends on the operating mode and range of the load;...
Page 80: Impedance Simulation (Sz)
Impedance simulation test can simulate the capacitive load to prevent the active device from generating surge current when the load is working, which will trigger the overcurrent protection OCP of the active device. Therefore, the N69200 series provides impedance simulation test for this test requirement.
Page 81 5. "CL": Input through the numeric keys, and press "Enter" to confirm; Setting range is 20µF-50000µF; 6. "RL": Input through the numeric keys, and press "Enter" to confirm; Setting range is 0.05~525Ω; Press the "On/Off" key to turn on, and the display state is "ON", observe the reading on the display, as shown in Figure 5-43 Figure 5-35 SZ mode 8.
Page 82: Application
5.16 Application Users press the "Menu" key to enter the menu, select "Application " to enter the interface, and set relevant parameters in the application configuration interface. The interface is shown in Figure 5-54. Figure 5-54 Application  Sense Mode Including local sense and remote sense.
Page 83 Saves the parameters from the last shutdown.  Turnon Load When this function is turned on, the power will be automatically loaded according to the setting of the last time the power was turned off.  Measure Rate Range 0.1-10. ...
Page 84 Select the number of slaves when the load is operating in master mode.
Page 85: System
5.17 System The user presses the "Menu" button to enter the "System " interface, which is shown in Figure 5-45: Figure 5-45 System  IP Address The default IP address is 192.168.0.123, which can be changed by the numeric key. The change will take effect after restart.
Page 86 Set the communication baud rate in CAN communication mode (default is 250K). Settings can be changed, and reboot takes effect after the change is completed.  Beeper This option sets the sound of the device On/Off. 1. On: The default value indicates that the sound is on. 2.
Page 87 If there is no data in the storage area when users press the key combination "Shift+0" (Recall) to realize the call operation or quick call, the call operation will be invalid.  Device ID Set the device ID and restart after the change.
Page 88: Protection
5.18 Protection Users can press "Menu" to enter the menu and select "Protection " to enter the interface. Protection parameters can be set in the protection configuration interface, and the "protection configuration" interface is shown in Figure 5-46. Figure 5-46 Protection ...
Page 89: Von/Voff
When the setting is on, it means that N69200 starts to load when voltage is reached; when the setting is off, it means that N69200 is unloaded when the voltage is lower than the loaded voltage.  Von Set the load voltage, if the input voltage is higher than this set value, the load immediately works.
Page 90: Timed Unloading
Latch mode: The load is unloaded when the input voltage is above the Von starting load and the input voltage is below the Voff. After unloading, the input voltage is again higher than Von and the load is not automatically loaded Figure 5-47 Latch Von onload and Voff offload Notes The value of Von should be larger than the value of Voff, otherwise there...
Page 91: Factory Reset
5.19 Factory Reset Users press "Menu" to Enter, select "Factory reset" to enter the interface, use the left and right keys or knob to move the cursor to "Yes", and press "Enter" to restore factory Settings. Figure 5.47 shows the Factory Restore screen. Figure 5-47 Factory reset...
Page 92: About Us
5.20 About Us Users press the "Menu" button to enter the menu and select "About Us" to enter the interface, which is shown in Figure 5-48. Pressing the "Shift" key on this interface will display the factory SN number and software version information of this device. Figure 5-48 About us...
Page 93: Maintenance And Self-Inspection
 Check whether all the specifications and performances are within the device working range.  Check whether the device displays error information.  Operate on a replacement device. Calibration Intervals It is suggested that N69200 series should be calibrated once a year.
Page 94: Main Technical Data
7 Main Technical Data Warning The measurement accuracy is identified by the following three conditions: within one year after calibration, operation temperature between 18℃ and 28℃, and the relative humidity up to 80%. Table 8-1 Model N69212-150-600 Voltage 150V Current 600A Power 12000W...
Page 95 (23±5°C) CR Mode Range 0.5Ω~250Ω 0.02Ω~100Ω 0.005Ω~25Ω Setting Resolution 0.01Ω 0.01Ω 0.001Ω Setting Accuracy (Vin/Rset)*0.05%+0.05%IF.S. (23±5°C) Slew Current Slew Range 120-6000A/ms 600-30000A/ms 1200-60000A/ms Power Slew Range 120-6000A/ms 600-30000A/ms 1200-60000A/ms Resistance Slew Range 120-6000A/ms 600-30000A/ms 1200-60000A/ms Dynamic Mode（CCD） T1&T2 0.025~60000ms Resolution 1μs Accuracy (23±5°C) 10μs+100ppm...
Page 96 Vin=20V、Rset=2Ω、IF.S.=120A（high range） I=Vin/Rset=20V/2Ω Imin=20V/2Ω-(20V/2Ω*(0.05%)+120*0.05%) Imax=20V/2Ω+(20V/2Ω*(0.05%)+120*0.05%) Imin<I<Imax 3. The power derating curve is as follows: (This manual is for reference only, if you need other specifications, please consult the NGI for the latest product information. NGI products will be constantly updated technical specifications will...

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N69212-150-600