EA EA EL9080-170B-H, DC-electronic loads, conventional, 2400W, 80V, 170A, #033200705

Product no.: EA-033200705

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EA-EL9080-170B-HP 2U Programmable DC electronic loads, 19 Zoll, TFT, 2 HE 80 V, 170 A, 2000 W continous power oder 2400 W peak power, master-slave, arbiträr-generator, USB

This product is order related with an standard delivery time of approx. 9 - 11 weeks. 

The electronic DC loads of series EA-EL 9000 B HP replace the former series EA-EL 9000 HP and reduce the required unit height from former minimum 3U to now only 2U. It means that the steady power of 7200 W of a former EA-EL 9000 HP device can nowadays already be achieved in 6U of height where it required 9U before. The result is a space saving of 33% which allows for achieving even more power in a 19” cabinet. All models support the four common regulation modes constant voltage (CV), constant current (CC), constant power (CP) and constant resistance (CR). The FPGA based control circuit provides interesting features, such as a function generator with a table based function for the simulation of nonlinear internal resistances. The large colour TFT touch panel offers an intuitive kind of manual operation, such as it is prolific nowadays with smartphones or tablet computers. Response times for the control via analog or digital interfaces have been improved by the FPGA controlled hardware. In parallel operation of multiple devices, a master-slave bus is used to link the units to a bigger system where the actual values are totalled and the set values distributed.

  • Power ratings: 0…2000 W
  • Input voltages: 0…80 V
  • Input currents: 0…170 A
  • FPGA based control circuit
  • Multilingual colour touch panel
  • User profiles, true function generator
  • Adjustable protections: OVP, OCP, OPP
  • Operation modes: CV, CC, CP, CR
  • Galvanically isolated interfaces (analog and USB)
  • Master-slave bus for parallel connection
  • Optional:
  • Digital, plug & play interfaces
  • SCPI & ModBus RTU supported
  • LabView VIs and remote control software (Windows)
  • Weight: 13 kg
  • Dimensions: 19” x 2U x 464 mm


The available voltage range portfolio offers five different voltage from 0…80 V DC up to 0…750 V DC. Input currents up to 170 A with only one unit are available. The series offers two power classes for every voltage class, for example 0…1200 W or 0…2400 W steady power at normal ambient temperatures with, for instance, an 80 V model.


All models are built in 19“ wide rack enclosures with 2U of height and 460 mm of depth, which makes them ideal for use in 19“ cabinets of various sizes, for example 42U, and for the design of systems with very high power. It is furthermore possible to build cabinet systems with mixed equipment, i.e. electronic loads and power supplies, in order to achieve the source-sink principle with high power ratings.


Manual operation is done with a TFT touch panel, two rotary knobs and a pushbutton. The large colour display shows all relevant set values and actual values at a glance. The whole setup is also done with the human-machine interface, as well the configuration of functions (square, triangle, sine) etc. The display is multilingual (German, English, Russian, Chinese).


A special feature is the comfortable, FPGA based, digital function and arbitrary generator. It enables controlling and running user-customisable load profiles and can generate sine, square, saw tooth and ramp functions in arbitrary order. With a freely programmable digital value table of 3276 effective points, which is embedded in the control circuit, the devices can reproduce non-linear internal resistances, such as those of batteries or LED chains.


The so-called „Share Bus“ is an analog connection at the rear of the devices and is used to balance current across multiple similar units in parallel connection, such as with loads of this series and series EA-EL 9000 B. It can also be used to build a two-quadrants system in connection with power supplies of series EA-PSI 9000, EA-PS 9000 or EA-PSE 9000. Such a system is dedicated for testing purposes using the source-sink principle.


The abbreviation “HP” in the series name stands for “High Power”. It defines the rated steady power at an higher ambient temperature of 30°C, compared to other electronic loads, for example from series EA-EL 9000 B. Despite of it, all models of this series will reduce the input power based in a thermal derating in order to avoid overheating. 


For purposes of testing all kinds of batteries, such as for example constant current or constant resistance discharging, the devices offer a battery test mode. This show extra values for elapsed testing time and consumed capacity (Ah). Data recorded by the PC during tests with, for example, EA Power Control can be exported as Excel table in CSV format and analysed later in MS Excel or similar tools and even visualised as a discharge diagram. For more detailed setup, there is also an adjustable threshold to stop the battery test on low battery voltage, as well an adjustable maximum test period.


For remote control, there are by default two interface ports (1x analog, 1x USB) available on the rear of the devices, which can also be extended by optional, pluggable and retrofittable, digital interface modules (dedicated slot). For the implementation into the LabView IDE we offer ready-to-use components (VIs) to be used with the interface types USB, RS232, GPIB and Ethernet. Other IDEs and interfaces are supported by documentation about the communication protocol. Windows users can profit from the free software “EA Power Control”. It offers a feature called “Sequencing”, where the device is controlled through a semi-automatic table in CSV format. This table represents a simple test procedure and can be created and edited in MS Excel or other CSV editors and then imported into the software tool. This software also allows for the control of up to 20 units at once with an optional feature called “Multi Control” (licensed, not free of charge). See page 136 for more information.


  • Pluggable and retrofittable, digital interface modules for CAN, CANopen, Ethernet (1 or 2 ports), Profibus, ProfiNet I/O (1 or 2 ports), RS232, EtherCAT or ModBus TCP. See page 134.


Additional product information

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