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APM EL Series User Manual

High-density programmable dc electronic load
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APM TECHNOLOGIES
PROFESSIONAL INNOVATIVE BRANDING SERVICE
www.apmtechate.com
EL Series High-density Programmable DC Electronic Load
User Manual

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  • Page 1 APM TECHNOLOGIES PROFESSIONAL INNOVATIVE BRANDING SERVICE www.apmtechate.com EL Series High-density Programmable DC Electronic Load User Manual...

  • Page 2: Table Of Contents

    Contents Part NO. 18950-726-00 Contents Preface ........................... 05 Safety Notices ..........................1 About this Manual ........................Scope ............................... Targeted Audience ......................Use of this Manual and Legal Notices ................2 Unpacking ..........................Packing List ........................Checking for Shipping Damage ..................2.3 Product Failure and Maintenance ..................
  • Page 3 Contents 4 Panel Description ........................13 4.1 Front Panel Description ...................... 13 4.2 Rear Panel Description ....................... 5 5 Menu Operation ........................5.1 Menu Introduction ....................... 6 5.1.1 Menu Structure ......................6 5.1.2 Introduction to Operation modes ................8 5.1.3 Using the Keys, Rotary Knobs, and Touch Screen ............. 18 5.2 Menu Operation ........................
  • Page 4 Contents 5.2.3.10 Sweep ........................40 5.2.3.11 Sine ........................41 5.2.3.12 MPPT ........................42 5.2.4 Configure Page......................42 5.2.4.1 Load Setup......................43 5.2.4.2 Protection ......................45 5.2.4.3 Paral/Sync ......................45 5.2.4.4 SPEC Function ....................46 5.2.4.5 Digitizing ......................47 5.2.4.6 Timing ........................48 5.2.5 Save/Recall ........................
  • Page 5 Contents 7 Installation ..........................7.1 Overview and Dimensions ....................57 7.1.1 Handle Installation ...................... 58 7.1.2 Casters Disassembly and Assembly ................. 59 7.1.3 Locking and Unlocking of Casters ................59 7.1.4 Installation of an Optional Interface Card ..............59 7.1.5 Installation Diagram of Electronic Load and Cabinet ..........60 AC Input Connection ......................

  • Page 6: Preface

    Preface Preface Dear Customer, Thank you for using EL Series Programmable DC Electronic Load, a product developed & manufactured by APM Technologies. We sincerely hope this product meets your needs. This user manual is applicable to the following models: Flippable...

  • Page 7: Safety Notices

    Safety Notices Safety Notices Warning! This symbol highlights operations that have the potential to endanger users. Operation proce- dures and instructions must be understood completely before use. Caution! Documentation must be consulted in all cases where this symbol is marked. Note This symbol highlights important instructions that need to be read before using the equipment.

  • Page 8: About This Manual

    Please check for updates at en.apmtech.cn and download the latest version of this manual and information. It is prohibited in any way to use all or part of the firmware or software developed by APM Technologies for other commercial purposes. It is prohibited to decompile, decrypt or other- wise alter the software developed by APM Technologies.

  • Page 9: Unpacking

    Unpacking Unpacking 2.1 Packing List Item Description Quantity Remarks EL Series High-density Programmable DC Electronic Load As ordered Standard Rack Mount Brackets DC Input Protective Cover Standard 1set Fasten item B and C Screws Strain relief bracket 2, 13U(4) Support DC output cables...

  • Page 10: Checking For Shipping Damage

    (handles, input/output terminals or rotary knobs). 2.3 Product Failure and Maintenance In the unlikely event of product failure, please contact APM Technologies or its dealer in time to provide the serial number, detailed failure information and pictures of the faulty product to help us identify the cause of the failure.

  • Page 11: Products Introduction

    Products Introduction 3.1 Product Description APM Electronic Loads (E-Loads) offer a variety of static load types in a single unit, including constant current (CC), constant voltage (CV), constant power (CP) and constant resistance (CR) modes. APM E-Loads also support Dynamic Load operations commonly used for performance and burn-in testing of power equipment.

  • Page 12: Operation Instructions

    3.4 Operating Environments 1. APM E-Loads must be operated in a clean and dry environment with an ambient tempe- rature between 0°C and 40°C, with a relative humidity between 5% and 95%.

  • Page 13: Power Supply Voltage

    30 minutes before use. 3.9 Starting Procedure When the E-Load is switched on, the unit will display the APM logo, and then will enter a start- up diagnostic routine to verify the integrity of the Load. Self Checking...

  • Page 14: Panel Description

    Panel Description Panel Description 4.1 Front Panel Description Main Range Cursor On/off Shift Front Panel-4U Models as example USB host, for data import and export Power on/off switch Color touch screen Numeric and function keys Keys Name and the function Manual Reference Numeric keys [0]~[9]...
  • Page 15 Panel Description Function keys and multifunction keys Keys Name and the function Manual Reference [A/B] Switches load from A setting to B setting [Cursor] Brings up cursor on screen Cursor Press to return to the Main screen [Main] Main [On/off] On/Off control for load function On/Off SHORT ( Shift +...

  • Page 16: Rear Panel Description

    Panel Description 4.2 Rear Panel Description Rear Panel-4U Models as example Load positive/negative terminal Remote sense connections System Bus connectors for mater/slave connections RS485/RS232/USB communication Interface (standard), LAN&GPIB communication Interface (optional) External TTL/Analog control interface V-monitor/I-monitor AC input connector Fan Exhaust Grate If the LAN/GPIB interface card selected on order, it will be installed in place of the RS232/RS485/USB interface card.

  • Page 17: Menu Operation

    Menu operation Menu operation 5.1 Menu Introduction 5.1.1 Menu Structure Main Load Configure Warning Log Advanced Save/Recall System Setting Load Advanced Battery Program CV-CR Auto OCP/OPP CV-CC CR-CC PROFESSIONAL INNOVATIVE BRANDING SERVICE...
  • Page 18 Menu operation Configure Load Setup Digitizing Paral/Sync Protection Timing SPEC Save/Recall PageUp Read PageDown Save Warning Log PageUp PageDown Fist Page Last Page Save to USB System Setting Settings RS232/485 Info. Calibrate Factory pgrade Date TTL/Analog GPIB PROFESSIONAL INNOVATIVE BRANDING SERVICE...

  • Page 19: Introduction To Operation Modes

    Menu operation 5.1.2 Introduction to Operation Modes 1. The Front panel [On/off] key is used engage and disengage the load. 2. When in Local Control mode, the load is controlled through the front panel interface. When operating in Remote Control or External Control, the Load is controlled by a remote computer, master load, or external control circuitry.
  • Page 20 Menu operation Using the Rotary Knob to set a CC load: 1. Press the [Shift ] key then the [0] key to select the load page and CC mode. 2. Press the [Cursor] key and then use Rotary Knob to move the cursor to the A parameter setting field if not already highlighted.
  • Page 21 Menu operation Navigating the Main Menu using the front panel keys: 1. Press the [Main] key. 2. Press the [Cursor] key. 3. Press the arrow keys to move the cursor between the menu options, and then press the [Enter] key to confirm a selection. Navigating the Main Menu using the rotary knob: 1.

  • Page 22: Menu Operation

    Menu operation 5.2 Menu Operation We will explain menu operation using the front panel keys as touch screen operation is selfe- xplanatory. 5.2.1 Menu Introduction Active menu page of the load Voltage, Current, Power, and Ohm meters Parameters of load configuration Sub-menus Main page return button Range, Output State and Mode icons...

  • Page 23: Load Page

    Menu operation 5 2. . 2 Load Page The Load page controls the type of load to be emulated. The different types of loads under the Load menu are: 5.2.2.1 Constant Current (CC) Mode In CC mode, the Load will adjust to draw a programmed regulated constant current.

  • Page 24: Constant Voltage (Cv) Mode

    Menu operation V Sample Range: Voltage range of the CC load (Low, Middle, High) which overrides the voltage setting of Range, allowing the current and voltage to operate in different ranges simultaneously. A/B State Switch: Each mode can save two current values in the A and B settings. The front panel [A/B] key can be used to manually switch between two programmed load current settings.

  • Page 25: Constant Risistance (Cr) Mode

    Menu operation A/B State Switch: Each mode can save two programmed parameter values in the A and B settings. The front panel [A/B] key can be used to manually switch between two programmed load settings. The response speed determines the rate at which the load will change from one voltage to another.

  • Page 26: Constant Power (Cp) Mode

    Menu operation A/B State Switch: Each mode can save two resistance values in the A and B settings. The front panel [A/B] key can be used to manually switch between two programmed load settings. The slew rate settings determine the rate at which the load will change from one resistance to another.

  • Page 27: Dynamic Current (Dc) Mode

    Menu operation Note If the source voltage decays to zero volts the load will attempt to draw max rated current. If the OCP limit of the Eload is greater than the current limit of the voltage source, the voltage source will be latched to the CC state. Otherwise the OCP will trip to shutdown the load.

  • Page 28: Dynamic Voltage (Dv) Mode

    Menu operation 5.2.2.6 Dynamic Voltage (DV) Mode In DV mode the E-Load will cycle between CV settings A and B. DV mode has 5 different response speeds: VerySlow, Slow, Normal, Fast and Veryfast. To enter DV mode, press the [Main] page key, select the Load menu, and then select DV mode. DV Parameters: A: Constant voltage value for load A setting (V).

  • Page 29: Dynamic Risistance (Dr) Mode

    Menu operation 5.2.2.7 Dynamic Resistance (DR) Mode In DR mode, the E-Load will cycle between CR settings A and B. To enter DR mode, press the [Main] key, select the Load menu, and then select DR mode. DR Parameters: A: Constant resistance value A (Ω). B: Constant resistance value B (Ω).

  • Page 30: Dynamic Power (Dp) Mode

    Menu operation 5.2.2.8 Dynamic Power (DP) Mode In DP mode, the E-Load will cycle between CP settings A and B. To enter DP mode, press the [Main] key, select the Load menu, and then select DP mode. DP Parameters: A: Constant power value A (W). B: Constant power value B (W).

  • Page 31: Advanced Functions

    Menu operation 5.2.3 Advanced Functions The following functions are available in the advanced menu: Battery CV-CR Fuse OCP/OPP CR-CC Sweep Program Auto Sine CV-CC Ext. Wave MPPT 5.2.3.1 Battery Mode (Battery Discharge Timer) The Battery function serves to program the load as an automated battery discharge test, discharging the battery under test at a set rate until a test termination condition occurs.

  • Page 32: Ocp/Opp

    Menu operation Battery Parameters: Mode: Load type (CC, CR, CP) Set Value: Static load setting. ↑ Slope : Current rise slew rate (A/µs). ↓ Slope : Current fall slew rate (A/µs). End Volt: Test termination voltage (V). Timeout: Test timeout duration (s). End Wh: Test termination Watt Hours (Wh).
  • Page 33 Menu operation While running this test, a specification function (SPEC) is defined to assist the user in supervising the test. The SPEC function checks if the Load current or power is within the range of the user defined SEPC high and SPEC low values. The SPEC status will be displayed at the bottom of the screen while the OCP/OPP test is running.

  • Page 34: Program Mode

    Menu operation 5.2.3.3 Program Mode The Program mode allows the user to program the load with a list of Load settings that can be executed sequentially. Up to 10 distinct programs can be saved in non-volatile memory so that they are remembered after power off, with space for a total of 300 program steps divided between the 10 programs.
  • Page 35 Menu operation Mode: Operation mode of the step (CC, CV, CR, CP, Load off, Short mode). Range: Sets the Load current Range of the step. Value A: Sets the Load A value of the step. Time: Sets the step time duration (0.1ms to 4000s). Click the check box to change time duration format to H:M:S, the maximum set value is 999 H 59 M 59 S.

  • Page 36: Cv-Cc Mode

    Menu operation 5.2.3.4 CV-CC Mode In CV-CC mode, the E-Load behaves as a hybrid of CV and CC mode. The load will operate in CV mode unless the load current would exceed the programmed CC value. If the CC value would be exceeded, the Load switches to CC mode.

  • Page 37: Cr-Cc Mode

    Menu operation Note The unit under test should be configured for constant voltage output. The remote sense should be connected so as to measure the voltage at the terminal of the UUT. 5.2.3.6 CR-CC Mode In CR-CC mode, the E-Load behaves as a hybrid of CR and CC mode. The load will operate in CR mode unless the Load current would exceed the programmed CC value.

  • Page 38: Uto Mode

    Menu operation 5.2.3.7 Auto Mode In Auto mode, the load will behave as a combination of CV, CR, CC, and CP modes as depicted in the Auto mode graph. When the UUT voltage begins to rise, the load will sink current as a CV load until the load resistance falls below the programmed CR value.

  • Page 39: External Waveform Function

    Menu operation 5.2.3.8 External Waveform Function This function refers to controlling the waveform by external. User can input 0V-10V voltage through control terminal on the rear panel. According to the chosen mode, setting parameters, controlling the waveform from output signal. In this mode, the external signal 0V to 10V can correspond to the full-scale of load condition.

  • Page 40: Fuse

    Menu operation 5.2.3.9 Fuse This function is mainly applied for fuse time counting test, when the current reaches the start counting current value, the timer starts to count, until the current value is equal to or lower than the end counting current value. Current setting ≧ start counting current ≧ end counting current. Fuse Parameters: I_SET: Setting the current value.

  • Page 41: Sweep

    Menu operation 5.2.3.10 Sweep This function is a constant current dynamic frequency sweep function, which is mainly used to find the worst-case voltage of the DUT. When using this function, the load will provide a specific dynamic frequency sweep, and use frequency conversion to find the worst-case voltage of the DUT.

  • Page 42: Sine

    Menu operation 5.2.3.11 Sine(Sine wave dynamic current load function) This function is a sine wave dynamic current load function, which can provide a sine wave current for users. Setting the DC component of the load current, the AC peak-to-peak current value, the frequency of the sine wave and the times of repetitions, generates the sine wave Current.

  • Page 43: Mppt

    Menu operation 5.2.3.12 MPPT (Maximum power point tracking ) This function is the maximum power tracking function, which is mainly used to track the maximum power point of solar panels. The maximum output power of the solar panel always changes, due to the influence of the sun and the external environment. Through the maximum power tracking method, the maximum power point of the solar panel can be dynamically searched to maximize the efficiency of the solar panel.

  • Page 44: Load Setup

    Menu operation 5.2.4.1 Load Setup Load On Voltage: The minimum voltage required at the load terminals before the load will turn on. If the voltage at the load terminals is less than this value, it will not turn on. The default setting is 0V.
  • Page 45 Menu operation Note To avoid an error in digital logic, the user should ensure that the Load On Voltage setting is higher than the Load Off Voltage setting. This does not apply if the Load On feature is disabled. If the Load On Voltage is set to be lower than the UUT's minimum output voltage, the UUT may be unable to start up, or could generate voltage or current overshoot.

  • Page 46: Protection

    Menu operation 5.2.4.2 Protection OCP Check: OCP enable/disable. OCP Point: OCP trip level (A). OCP Delay: OCP time delay (s). OPP Check: OPP enable/disable. OPP Point: OPP trip level (W). OPP Delay: OPP time delay (s). When the load detects an OCP or OPP condition an alarm will be displayed on the screen. Check that the settings of the UUT will not cause an OCP or OPP condition of the load before continuing.

  • Page 47: Spec Function

    Menu operation 5.2.4.4 SPEC Function The SPEC function allows the user to program a supervisory test of the UUT specifications including UUT voltage, load current and power which can run while using other Load functions. When enabled, the UUT voltage, load current, and power will be compared to the SPEC parameters and the user will be informed if the UUT operates within this specification or not.

  • Page 48: Digitizing

    Menu operation Note To enable the SPEC function while testing, use the [Shift] key to enable secondary key functions and then press the [SPEC] key. The SPEC status will then appear in the bottom bar of the touch screen, and will remain active until the SPEC is disabled by pressing the [SPEC] key again.

  • Page 49: Timing

    Menu operation 5.2.4.6 Timing The timing function can measure rise and fall times of the Load terminal voltage. The user decides whether a timing event triggers on a rising or falling voltage, and the levels at which the timer will start and stop. Mode: Timing mode enable/disable.
  • Page 50 Menu operation 1. To save the current load configuration to a particular file number, press the Save soft key and enter the file number (1-10) on the red pop-up keypad. 2. To load a saved configuration from memory, press the appropriate file number (1-10) on the the red pop-up keypad.

  • Page 51: Warning Log

    Menu operation 5.2.6 Warning Log The Warning Log provides a history of all alarms the Load has encountered. The user may save this log to a USB memory drive inserted into the front panel. 5.2.7 System Setting The system settings page is used to configure the following parameter settings of the load: Settings Date RS232/485...

  • Page 52: Date

    Menu operation 5.2.7.2 Date The user may use this menu to set the current date and time which is displayed in the bottom right corner of the screen on all pages. 5.2.7.3 RS232/485 The RS232 and RS485 communication ports can be used to connect a Load to a computer application.

  • Page 53: Ttl/Analog

    Menu operation 5.2.7.4 TTL/Analog The TTL/Analog interface allows for remote control and monitoring of the Load using external hardware. The TTL/Analog interface consists of an analog voltage monitor output (V_MON), analog current monitor output (I_MON), two TTL control inputs, and three TTL monitor outputs. Each of these ports is disabled by default unless enabled.

  • Page 54: Gpib

    Menu operation LAN Parameters: Mode: IP address allocation mode, Static or Auto. Auto mode uses DHCP, Static mode uses a user defined IP. IP Address: Local IP address of the unit. Subnet Mask: 0~255. Default Gateway: 1~254. MAC Address: MAC address of the Load, cannot be edited. Apply: Press this soft key to apply all the Ethernet settings.

  • Page 55: Factory

    The Calibrate menu is used to calibrate the Load's voltage and current meters in each range. The menu is password protected. Please contact APM technical support for further information. 5.2.7.10 Upgrade The Upgrade menu is used to perform firmware updates. Please contact APM technical support for further information. PROFESSIONAL...

  • Page 56: Parallel Operation

    Parallel Operation Parallel Operation APM Electronic Loads can be connected in parallel to increase total loading capability. The paralleled Slave units are controlled by a single Master unit. Note All Slave units must be configured before the Master unit is configured.

  • Page 57: Parallel Procedure

    Parallel Operation 6.1 Paralleling Procedure The procedure to connect 3 Loads in a Master/Slave Configuration is as follows: 1. Assure all Loads are powered off the wire the 3 loads to the UUT as shown in the diagram above. a. Connect each Load's power terminal to the UUT's output power terminals. b.

  • Page 58: Installation

    Installation Installation 7.1 Overview and Dimensions 423.0 423.0 30.0 30.0 483.0 483.0 2U Height Models Unit: mm 3U Height Models Unit: mm 423.0 423.0 30.0 30.0 483.0 483.0 4U Height Models Unit: mm 7U Height Models Unit: mm PROFESSIONAL INNOVATIVE BRANDING SERVICE...

  • Page 59: Handle Installation

    Installation 423.0 423.0 30.0 30.0 483.0 483.0 10U Height Models Unit: mm 13U Height Models Unit: mm 7.1.1 Handle Installation Before mounting the unit in a rack, users can install the handles on the electronic load according to actual needs. The handles and screws are included in the accessories. Refer to the figure below to assemble the handles.

  • Page 60: Casters Disassembly And Assembly

    Installation 7.1.2 Casters Disassembly and Assembly If necessary, refer to the figure below to install and remove the casters of the electronic load. 7.1.3 Locking and Unlocking of Casters Please refer to the figure below to lock and unlock the casters. It is recommended to lock the casters to ensure that the electronic load stays safely in place when wiring.

  • Page 61: Installation Diagram Of Electronic Load And Cabinet

    Installation This series of electronic load provides optional interface cards. The interface slot is located on the rear panel, making it easy to install and swap interface cards. Installation steps: 1. Use a suitable screw driver to remove the slot cover. 2.

  • Page 62: Ac Input Connection

    Ensure that the AC power is disconnected from the cable before attempting to install it. To prevent electric shock and fire, please use the power cord provided by APM. To prevent electric shock, the earth ground must be connected to the Load. Connect the power cable to a three-pronged socket with an earth ground connection.

  • Page 63: Fuse Replacement

    Installation 7.3 Fuse Replacement The power cord jack of the instrument includes the fuse. Please refer to the rear panel introd- uction of the corresponding instrument for the detailed position. The replacement steps for this type of the fuse are as follows. 1.
  • Page 64 Installation Caution! To minimize voltage drop in the load wires, choose a sufficient wire gauge and make the Load wires as short as possible. If the load wires are crimped with terminals please make sure all the live parts are electrically insulated.

  • Page 65: Remote Sensing Connection

    Installation 7.5 Remote Sensing Connection Under CC, CV, CR or CP mode, if the load sinks a large current, a significant voltage drop may be present between the UUT and the Load terminal. To ensure measurement accuracy, a remote sense connection can be used to compensate for the voltage drop in the connecting wires.
  • Page 66 Installation pin1 pin11 pin12 pin2 pin3 pin9 pin10 pin4 pin5 pin8 0-5V TTL pin 6/7 Pin 1: Load ON/OFF state output signal. Load ON/OFF state, TTL level. ON: High level, >4V. OFF: Low level, <1V. Pin 2: Short ON output signal. Short ON output signal, TTL level.
  • Page 67 Installation Pin 6/Pin 7: Digital Ground (TTL) Pin 8: Program Function External Trigger TTL level input signal which triggers on a falling edge of a pulse width greater than 50µs. Pin 9: Digitizing Function External Trigger TTL level input signal which triggers on a falling edge of a pulse width greater than 50µs. Pin 10/Pin 11: TTLIn1 / TTLIn2 The range of the TTL inputs is 0~5VDC.

  • Page 68: Troubleshooting

    Troubleshooting Troubleshooting Troubleshooting and solutions Problem Inner Communication fault Ask your agent for help. Memory fault Ask your agent for help. Ask your agent for help. Aux Power fault Please ensure the Load terminal voltage polarity is correct. Volt Reverse Fault Please check and make sure the load is installed at well-ventilated and not obstructed.

  • Page 69: Recycling And Disposal

    Contact Us If you have any questions about APM's EL Series Programmable DC Electronic Load, please contact us per the contact information below. We will be happy to promptly answer any of your questions.

  • Page 70: Appendix A Specifications

    Appendix A Specifications Appendix A Specifications MODEL EL40VDC3400W EL40VDC4400W Voltage 0~40V 0~40V Current 0~620A 0~800A Rated Power 0~3400W 0~4400W Min. Operating Voltage 0.3V/620A 0.3V/800A Static Mode Range 0~62A 0~310A 0~620A 0~80A 0~400A 0~800A Constant Resolution 0.5mA Current 0.5mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 71 Appendix A Specifications MODEL EL40VDC5600W Voltage 0~40V Current 0~1020A Rated Power 0~5600W Min. Operating Voltage 0.3V/1020A Static Mode Range 0~102A 0~510A 0~1020A Constant Resolution 10mA Current Mode Accuracy 0.05%+0.05%F.S. Range 0~5V 0~16V 0~40V Constant Resolution Voltage 0.1mV 0.2mV 0.5mV Mode Accuracy 0.025%+0.025%F.S.
  • Page 72 Appendix A Specifications MODEL EL40VDC6600W Voltage 0~40V Current 0~1200A Rated Power 0~6600W Min. Operating Voltage 0.3V/1200A Static Mode Range 0~120A 0~600A 0~1200A Constant Resolution Current 10mA Mode Accuracy 0.05%+0.05%F.S. Range 0~5V 0~16V 0~40V Constant Resolution Voltage 0.1mV 0.2mV 0.5mV Mode Accuracy 0.025%+0.025%F.S.
  • Page 73 Appendix A Specifications 40V Series System Specifications Battery Discharge Mode Battery Voltage As CV Mode Current Resolution As CC Mode Record AH/WH Test Time 1s~100000s Time Resolution Program Mode Step No. 300 Max. Dwell 0.1ms~4000s/9999h59min59s Spec Check Voltage/ Current Power External Waveform Control/Monitor Control/Monitor Voltage/Current...
  • Page 74 Appendix A Specifications MODEL EL200VDC3000W EL200VDC3400W Voltage 0~200V 0~200V Current 0~320A 0~370A Rated Power 0~3000W 0~3400W Min. Operating Voltage 0.18V@32A 0.9V@160A 1.8V@280A 0.18V@37A 0.9V@185A 1.8V@370A Static Mode Range 0~32A 0~160A 0~320A 0~37A 0~185A 0~370A Constant Resolution 0.5mA 0.5mA Current Mode Accuracy 0.05%+0.05%F.S.
  • Page 75 Appendix A Specifications MODEL EL200VDC4400W EL200VDC5600W Voltage 0~200V 0~200V Current 0~480A 0~610A Rated Power 0~4400W 0~5600W Min. Operating Voltage 0.18V@61A 0.9V@305A 1.8V@610A 0.18V@48A 0.9V@240A 1.8V@480A Static Mode Range 0~48A 0~240A 0~480A 0~61A 0~305A 0~610A Constant Resolution 0.5mA 0.5mA Current Mode Accuracy 0.05%+0.05%F.S.
  • Page 76 Appendix A Specifications MODEL EL200VDC6600W EL200VDC8100W Voltage 0~200V 0~200V 0~720A Current 0~720A Rated 0~8100W Power 0~6600W Min. Operating Voltage 0.18V@72A 0.9V@360A 1.8V@720A 0.18V@72A 0.9V@360A 1.8V@720A Static Mode 0~72A 0~360A 0~720A Range 0~72A 0~360A 0~720A Constant 0.5mA Resolution 0.5mA Current Mode 0.05%+0.05%F.S.
  • Page 77 Appendix A Specifications MODEL EL200VDC8800W EL200VDC10300W Voltage 0~200V 0~200V 0~960A 0~960A Current Rated 0~8800W 0~10300W Power Min. Operating Voltage 0.18V@96A 0.9V@480A 1.8V@960A 0.18V@96A 0.9V@480A 1.8V@960A Static Mode 0~96A 0~480A 0~960A 0~96A 0~480A 0~960A Range Constant 10mA 10mA Resolution Current Mode 0.05%+0.05%F.S.
  • Page 78 Appendix A Specifications MODEL EL200VDC11000W EL200VDC12500W Voltage 0~200V 0~200V Current 0~1200A 0~1200A Rated Power 0~11000W 0~12500W Min. Operating Voltage 0.18V@120A 0.9V@600A 1.8V@1200A 0.18V@120A 0.9V@600A 1.8V@1200A Static Mode Range 0~120A 0~600A 0~1200A 0~120A 0~600A 0~1200A Constant 10mA 10mA Resolution Current Mode Accuracy 0.05%+0.05%F.S.
  • Page 79 Appendix A Specifications MODEL EL200VDC13200W EL200VDC14700W Voltage 0~200V 0~200V Current 0~1440A 0~1440A Rated Power 0~13200W 0~14700W Min. Operating Voltage 0.18V@144A 0.9V@720A 1.8V@1440A 0.18V@144A 0.9V@720A 1.8V@1440A Static Mode Range 0~144A 0~720A 0~1440A 0~144A 0~720A 0~1440A Constant Resolution Current 10mA 10mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 80 Appendix A Specifications MODEL EL200VDC15400W EL200VDC16900W Voltage 0~200V 0~200V Current 0~1680A 0~1680A Rated Power 0~15400W 0~16900W Min. Operating Voltage 0.18V@168A 0.9V@840A 1.8V@1680A 0.18V@168A 0.9V@840A 1.8V@1680A Static Mode Range 0~168A 0~840A 0~1680A 0~168A 0~840A 0~1680A Constant Resolution Current 10mA 20mA 10mA 20mA Mode Accuracy...
  • Page 81 Appendix A Specifications MODEL EL200VDC17600W EL200VDC19100W Voltage 0~200V 0~200V Current 0~1920A 0~1920A Rated Power 0~17600W 0~19100W Min. Operating Voltage 0.18V@192A 0.9V@960A 1.8V@1920A 0.18V@192A 0.9V@960A 1.8V@1920A Static Mode Range 0~192A 0~960A 0~1920A 0~192A 0~960A 0~1920A Constant Resolution 10mA 20mA 10mA 20mA Current Mode Accuracy...
  • Page 82 Appendix A Specifications MODEL EL200VDC19800W EL200VDC21300W Voltage 0~200V 0~200V Current 0~2160A 0~2160A Rated Power 0~19800W 0~21300W Min. Operating Voltage 0.18V@216A 0.9V@1080A 1.8V@2160A 0.18V@216A 0.9V@1080A 1.8V@2160A Static Mode Range 0~216A 0~1080A 0~2160A 0~216A 0~1080A 0~2160A Constant Resolution Current 10mA 20mA 10mA 20mA Mode Accuracy...
  • Page 83 Appendix A Specifications MODEL EL200VDC22000W EL200VDC23500W Voltage 0~200V 0~200V Current 0~2400A 0~2400A Rated Power 0~22000W 0~23500W Min. Operating Voltage 0.18V@240A 0.9V@1200A 1.8V@2400A 0.18V@240A 0.9V@1200A 1.8V@2400A Static Mode Range 0~240A 0~1200A 0~2400A 0~240A 0~1200A 0~2400A Constant Resolution 20mA 40mA 20mA 40mA Current Mode Accuracy...
  • Page 84 Appendix A Specifications MODEL EL200VDC24200W EL200VDC25700W Voltage 0~200V 0~200V Current 0~2640A 0~2640A Rated Power 0~24200W 0~25700W Min. Operating Voltage 0.18V@264A 0.9V@1320A 1.8V@2640A 0.18V@264A 0.9V@1320A 1.8V@2640A Static Mode Range 0~264A 0~1320A 0~2640A 0~264A 0~1320A 0~2640A Constant Resolution 20mA 40mA 20mA 40mA Current Mode Accuracy...
  • Page 85 Appendix A Specifications MODEL EL200VDC26400W EL200VDC27900W Voltage 0~200V 0~200V Current 0~2880A 0~2880A Rated Power 0~26400W 0~27900W Min. Operating Voltage 0.18V@288A 0.9V@1440A 1.8V@2880A 0.18V@288A 0.9V@1440A 1.8V@2880A Static Mode Range 0~288A 0~1440A 0~2880A 0~288A 0~1440A 0~2880A Constant Resolution 20mA 40mA 20mA 40mA Current Mode Accuracy...
  • Page 86 Appendix A Specifications 200V Series System Specifications Battery Discharge Mode Battery Voltage As CV Mode Current Resolution As CC Mode Record AH/WH Test Time 1s~100000s Time Resolution Program Mode Step No. 300 Max. Dwell 0.1ms~4000s/9999h59min59s Spec Check Voltage/ Current Power External Waveform Control/Monitor Control/Monitor Voltage/Current...
  • Page 87 Appendix A Specifications MODEL EL600VDC600W EL600VDC1200W Voltage 0~600V 0~600V Current 0~40A 0~90A Rated Power 0~600W 0~1200W Min. Operating Voltage 0.8V@4A 0.9V@20A 1.8V@40A 0.8V@9A 4V@45A 8V@90A Static Mode Range 0~4A 0~20A 0~40A 0~9A 0~45A 0~90A Constant Resolution 0.1mA 0.5mA 0.1mA 0.5mA Current Mode Accuracy...
  • Page 88 Appendix A Specifications MODEL EL600VDC1800W EL600VDC2400W Voltage 0~600V 0~600V Current 0~130A 0~180A Rated Power 0~1800W 0~2400W Min. Operating Voltage 0.8V@13A 4V@65A 8V@130A 0.8V@18A 4V@90A 8V@180A Static Mode Range 0~13A 0~65A 0~130A 0~18A 0~90A 0~180A Constant Resolution 0.1mA 0.5mA 0.2mA Current Mode Accuracy 0.05%+0.05%F.S.
  • Page 89 Appendix A Specifications MODEL EL600VDC3000W EL600VDC3400W Voltage 0~600V 0~600V Current 0~220A 0~250A Rated Power 0~3000W 0~3400W Min. Operating Voltage 0.8V@22A 4V@110A 8V@220A 0.8V@25A 4V@125A 8V@250A Static Mode Range 0~25A 0~125A 0~250A 0~22A 0~110A 0~220A Constant Resolution 0.4mA Current 0.2mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 90 Appendix A Specifications MODEL EL600VDC4400W EL600VDC5600W Voltage 0~600V 0~600V Current 0~320A 0~410A Rated Power 0~5600W 0~4400W Min. Operating Voltage 0.8V@32A 4V@160A 8V@320A 0.8V@41A 4V@205A 8V@410A Static Mode Range 0~32A 0~160A 0~320A 0~41A 0~205A 0~410A Constant Resolution 0.4mA Current 0.4mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 91 Appendix A Specifications MODEL EL600VDC6600W EL600VDC8100W Voltage 0~600V 0~600V Current 0~480A 0~600A Rated Power 0~6600W 0~8100W Min. Operating Voltage 0.8V@48A 4V@240A 8V@480A 0.8V@60A 4V@300A 8V@600A Static Mode Range 0~48A 0~240A 0~480A 0~60A 0~300A 0~600A Constant Resolution 0.5mA 0.5mA Current Mode Accuracy 0.05%+0.05%F.S.
  • Page 92 Appendix A Specifications MODEL EL600VDC8800W EL600VDC10300W Voltage 0~600V 0~600V Current 0~640A 0~760A Rated Power 0~8800W 0~10300W Min. Operating Voltage 0.8V@64A 4V@320A 8V@640A 0.8V@76A 4V@380A 8V@760A Static Mode Range 0~64A 0~320A 0~640A 0~76A 0~380A 0~760A Constant Resolution 0.5mA 0.5mA Current Mode Accuracy 0.05%+0.05%F.S.
  • Page 93 Appendix A Specifications MODEL EL600VDC11000W EL600VDC12500W Voltage 0~600V 0~600V Current 0~800A 0~920A Rated Power 0~11000W 0~12500W Min. Operating Voltage 0.8V@80A 4V@400A 8V@800A 0.8V@92A 4V@460A 8V@920A Static Mode Range 0~80A 0~400A 0~800A 0~92A 0~460A 0~920A Constant Resolution 10mA 10mA Current Mode Accuracy 0.05%+0.05%F.S.
  • Page 94 Appendix A Specifications MODEL EL600VDC13200W EL600VDC14700W Voltage 0~600V 0~600V Current 0~960A 0~1080A Rated Power 0~13200W 0~14700W Min. Operating Voltage 0.8V@96A 4V@480A 8V@960A 0.8V@108A 4V@540A 8V@1080A Static Mode Range 0~96A 0~480A 0~960A 0~108A 0~540A 0~1080A Constant Resolution Current 10mA 10mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 95 Appendix A Specifications MODEL EL600VDC15400W EL600VDC16900W Voltage 0~600V 0~600V Current 0~1120A 0~1240A Rated Power 0~15400W 0~16900W Min. Operating Voltage 0.8V@112A 4V@560A 8V@1120A 0.8V@124A 4V@620A 8V@1240A Static Mode Range 0~112A 0~560A 0~1120A 0~124A 0~620A 0~1240A Constant Resolution Current 10mA 10mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 96 Appendix A Specifications MODEL EL600VDC17600W EL600VDC19100W Voltage 0~600V 0~600V Current 0~1280A 0~1400A Rated Power 0~17600W 0~19100W Min. Operating Voltage 0.8V@128A 4V@640A 8V@1280A 0.8V@140A 4V@700A 8V@1400 Static Mode Range 0~128A 0~640A 0~1280A 0~140A 0~700A 0~1400 Constant Resolution Current 10mA 10mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 97 Appendix A Specifications MODEL EL600VDC19800W EL600VDC21300W Voltage 0~600V 0~600V Current 0~1440A 0~1560A Rated Power 0~19800W 0~21300W Min. Operating Voltage 0.8V@144A 4V@720A 8V@1440A 0.8V@156A 4V@780A 8V@1560A Static Mode Range 0~144A 0~720A 0~1440A 0~156A 0~780A 0~1560A Constant Resolution 10mA 20mA 10mA 20mA Current Mode Accuracy...
  • Page 98 Appendix A Specifications MODEL EL600VDC22000W EL600VDC23500W Voltage 0~600V 0~600V Current 0~1600A 0~1720A Rated Power 0~22000W 0~23500W Min. Operating Voltage 0.8V@160A 4V@800A 8V@1600A 0.8V@172A 4V@860A 8V@1720A Static Mode Range 0~160A 0~800A 0~1600A 0~172A 0~860A 0~1720A Constant Resolution Current 10mA 20mA 10mA 20mA Mode Accuracy...
  • Page 99 Appendix A Specifications MODEL EL600VDC24200W EL600VDC25700W Voltage 0~600V 0~600V Current 0~1760A 0~1880A Rated Power 0~24200W 0~25700W Min. Operating Voltage 0.8V@176A 4V@880A 8V@1760A 0.8V@188A 4V@940A 8V@1880A Static Mode Range 0~176A 0~880A 0~1760A 0~188A 0~940A 0~1880A Constant Resolution Current 10mA 20mA 10mA 20mA Mode Accuracy...
  • Page 100 Appendix A Specifications MODEL EL600VDC26400W EL600VDC27900W Voltage 0~600V 0~600V Current 0~1920A 0~2040A Rated Power 0~26400W 0~27900W Min. Operating Voltage 0.8V@192A 4V@960A 8V@1920A 0.8V@204A 4V@1020A 8V@2040A Static Mode Range 0~192A 0~960A 0~1920A 0~204A 0~1020A 0~2040A Constant Resolution 10mA 20mA 10mA 20mA Current Mode Accuracy...
  • Page 101 Appendix A Specifications 600V Series System Specifications Battery Discharge Mode Battery Voltage As CV Mode Current Resolution As CC Mode Record AH/WH Test Time 1s~100000s Time Resolution Program Mode Step No. 300 Max. Dwell 0.1ms~4000s/9999h59min59s Spec Check Voltage/ Current Power External Waveform Control/Monitor Control/Monitor Voltage/Current...
  • Page 102 Appendix A Specifications MODEL EL1200VDC1200W EL1200VDC2400W Voltage 0~1200V 0~1200V Current 0~45A 0~90A Rated Power 0~1200W 0~2400W Min. Operating Voltage 2V@4.5A 10V@22.5A 20V@45A 2V@9A 10V@45A 20V@90A Static Mode Range 0~4.5A 0~22.5A 0~45A 0~9A 0~45A 0~90A Constant Resolution Current 0.1mA 0.5mA 0.1mA 0.5mA Mode Accuracy...
  • Page 103 Appendix A Specifications MODEL EL1200VDC3400W EL1200VDC4400W Voltage 0~1200V 0~1200V Current 0~125A 0~160A Rated Power 0~3400W 0~4400W Min. Operating Voltage 2V@12.5A 10V@62.5A 20V@125A 2V@16A 10V@80A 20V@160A Static Mode Range 0~12.5A 0~62.5A 0~125A 0~16A 0~80A 0~160A Constant Resolution Current 0.2mA 0.2mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 104 Appendix A Specifications MODEL EL1200VDC5600W Voltage 0~1200V Current 0~205A Rated Power 0~5600W Min. Operating Voltage 2V@20.5A 10V@102.5A 20V@205A Static Mode Range 0~20.5A 0~102.5A 0~205A Constant Resolution Current 0.2mA Mode Accuracy 0.05%+0.05%F.S. Range 0~150V 0~600V 0~1200V Constant Resolution Voltage 10mV Mode Accuracy 0.025%+0.025%F.S.
  • Page 105 Appendix A Specifications MODEL EL1200VDC8800W EL1200VDC6600W Voltage 0~1200V 0~1200V Current 0~320A 0~240A Rated Power 0~8800W 0~6600W 2V@32A 10V@160A 20V@320A Min. Operating Voltage 2V@24A 10V@120A 20V@240A Static Mode Range 0~32A 0~160A 0~320A 0~24A 0~120A 0~240A Constant 0.2mA Resolution 0.4mA Current Mode Accuracy 0.05%+0.05%F.S.
  • Page 106 Appendix A Specifications MODEL EL1200VDC11000W EL1200VDC13200W Voltage 0~1200V 0~1200V Current 0~400A 0~480A Rated Power 0~11000W 0~13200W Min. Operating Voltage 2V@40A 10V@200A 20V@400A 2V@48A 10V@240A 20V@480A Static Mode Range 0~40A 0~200A 0~400A 0~48A 0~240A 0~480A Constant Resolution 0.4mA Current 0.4mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 107 Appendix A Specifications MODEL EL1200VDC15400W EL1200VDC17600W Voltage 0~1200V 0~1200V Current 0~560A 0~640A Rated Power 0~15400W 0~17600W Min. Operating Voltage 2V@56A 10V@280A 20V@560A 2V@64A 10V@320A 20V@640A Static Mode Range 0~64A 0~320A 0~640A 0~56A 0~280A 0~560A Constant Resolution Current 0.5mA 0.5mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 108 Appendix A Specifications MODEL EL1200VDC19800W EL1200VDC22000W Voltage 0~1200V 0~1200V Current 0~720A 0~800A Rated Power 0~19800W 0~22000W Min. Operating Voltage 2V@72A 10V@360A 20V@720A 2V@80A 10V@400A 20V@800A Static Mode Range 0~72A 0~360A 0~720A 0~80A 0~400A 0~800A Constant Resolution Current 0.5mA 10mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 109 Appendix A Specifications MODEL EL1200VDC26400W EL1200VDC24200W Voltage 0~1200V 0~1200V Current 0~960A 0~880A Rated Power 0~26400W 0~24200W 2V@96A 10V@480A 20V@960A Min. Operating Voltage 2V@88A 10V@440A 20V@880A Static Mode Range 0~96A 0~480A 0~960A 0~88A 0~440A 0~880A Constant Resolution 10mA Current 10mA Mode Accuracy 0.05%+0.05%F.S.
  • Page 110 Appendix A Specifications 1200V Series System Specifications Battery Discharge Mode Battery Voltage As CV Mode Current Resolution As CC Mode Record AH/WH Test Time 1s~100000s Time Resolution Program Mode Step No. 300 Max. Dwell 0.1ms~4000s/9999h59min59s Spec Check Voltage/ Current Power External Waveform Control/Monitor Control/Monitor Voltage/Current...
  • Page 111 Appendix A Specifications PS： 1. Min. operation voltage is applied for current high range. 2. F.S. in power accuracy formula equals to V range F.S. times Irange F.S. 3. Minimum rise time is valid only for loading current > 5%F.S. 4.

  • Page 112: Appendix B Warranty

    Warranty Period 1. The warranty period of APM EL Series Programmable DC Electronic Load is 1 (one) year unless otherwise agreed to in writing by APM. 2. The warranty period will not be extended or recalculated after a product or component replacement;...
  • Page 113 5. Accessories included with each product are not in the product warranty scope. 6. Defects or damages caused by or resulting from inadequate or improper repairs carried out by any person, entity or service facility which is not authorized by APM to perform warranty services on its behalf.
  • Page 114 Schedule Product Information Company Name Contact Person Distributor Phone Code Address User’s Information Name Phone Code Address E-mail Product Malfunction Information Model Serial No. Warranty Period Signature Malfunction Description & Solutions Date of Malfunction Please stick the product Serial number here.
  • Page 115 Add: #7, Link Industry Park, Kechuang Road, Nancheng, Dongguan, Guangdong, China Tel: +86 769 8698 9800 E-mail: overseas@apmtech.cn Web: www.apmtechate.com...

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