Precision Laboratory Power Supply 0 ... 80V 0 ... 11A 900W - DP80-11H

The programmable Precision Laboratory Power Supply of the DP-H series offers highest precision up to the mV / mA range for applications with high demands on stability and reproducibility. Equipped with modern ARM microprocessor control, colour LCD display, automated programmes for charging and simulating batteries as well as adjustable current/voltage curves, this programmable Precision Laboratory Power Supply is versatile even without external control. In addition, the DP-H Series has a wide range of options for digital connection and can be easily integrated into any existing infrastructure thanks to SCPI (RS232) and Modbus RTU (RS485) support. Standard analogue inputs and outputs for setting and reading system variables complete the overall package. Brief summary of the advantages of DP-H SeriesHigh-Performance Power Supplies:

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Precision in a handy format

Symbolic image shows a DP-H precision laboratory power supply unit. Details may vary depending on the revision of your device. For the latest information, please check the "Data sheet" tab.

Devices of the DP-H Series have been specifically developed for applications with high demands on precision and stability and combine sophisticated hardware design with high-quality components and smart control to make your work easier. Thanks to the compact design with carrying handle, they can be quickly transported from workstation to workstation or taken along on field assignments. The intelligent cooling with 5 temperature sensors enables quiet operation when idle and maximum power despite the compact cabinet as soon as it is needed.

The front and rear are protected from impact with removable rubber pads, while, with the pads removed, the unit can also be mounted in a separately available 4U rack in a group of up to four units. The compact design of Precision Laboratory Power Supply makes it possible to set up a group with four independent channels in the size of one ordinary laboratory power supply.

Despite the compact design, Precision Laboratory Power Supplies of the DP-H Series are extremely stable and precise. The setting and measuring resolution is 1mV / 1mA with a very low ripple even at full load. The control unit of this laboratory power supply is based on ARM microprocessor architecture and allows the user to program complex automated test sequences even without connecting the unit to a controller or computer.

4.3" color LCD display

Thanks to the high-contrast and very bright color display of the DP-H series, you can always keep an eye on all target and actual values, with the option of displaying the history over time – so you always have an overview of the current voltage, current, power, or resistance of the load. In addition, the numeric keypad and high-resolution rotary encoder make it easy to enter setpoint values and navigate the menu of the laboratory power supply.

Automatic battery charging function

The laboratory power supply can be programmed with charging parameters via a simple interface for the automated charging of accumulators, so that the charging curve is followed exactly as required and the unit stops charging at the right time. This allows you to automate tests, because the actual values can be logged via a connected computer or controller (for example LabView) and evaluated afterwards.

Programmed voltage / current curves

DP-H series devices can be programmed with up to 300 value pairs consisting of voltage, current, and time to generate user-defined voltage/current curves. These "presets" can then be executed continuously or for a specific number of cycles, and execution can be triggered externally or manually. Furthermore, the presets can be saved to a USB drive so that a library of frequently used presets is always at hand and can be used on various DP-H series devices without additional configuration.

Expand your DP-H Series laboratory power supply with additional functions—even after purchase.

Image shows a DP-M Series High-Performance Power Supply in 2HE cabinet with AP8 module (top).

DP-H Series power supplies are compatible with many optional AP Series expansion modules, so you are no longer limited to the configuration you choose when you ordered, but can also expand certain functions at a later date using external modules. In addition, the AP Series is continuously being expanded and maintained with new modules, so that you can also expand existing units in the future with new functions that we will introduce.

Currently, the following AP Series expansion modules are compatible with DP-H Series laboratory power supplies:

Model AP9: Combined reverse current protection (inductive and capacitive loads)
Depending on the maximum voltage and current, the module is manufactured in 19″ 1U 1/2, 2U, or 3U designs and protects your power supply unit from reverse currents that can occur when operating with large capacitive or inductive loads. This means you do not need any additional protective circuitry between the power supply unit and your load, which greatly reduces the effort involved.

Model AP8: Additional EMC filter with output capacity
Some loads require a cleaner voltage than the power supply unit can deliver in its basic configuration, or, conversely, generate very strong interference (e.g., due to high-frequency current consumption with very steep edges—square wave) which can affect the control of the power supply unit at high currents. For these cases, we have developed the AP8 module, which combines a three-stage EMC filter with a large fast capacitance to further stabilize the output voltage of the power supply in critical applications and to protect the power supply from influences caused by loads. This combination guarantees a stable output voltage even under maximum load from complex high-frequency loads.

Modern communication via RS485 / RS232 and Modbus-RTU / SCPI

Image shows a DP-H Precision Laboratory Power Supply, details such as the position of the connections may differ on your unit depending on the version.

The versatility of DP-H Series Precision Laboratory Power Supplies is also evident in the available options for communication. Apart from the standard digital interfaces, DP-H Series units offer an externally addressable trigger loop, a standard remote-sensing input and analogue 5V inputs and outputs for setting and reading out the system variables.

Digital interface RS232 & RS485 (standard)

Equipped as standard with RS232 and RS485 connections, each with SCPI or Modbus-RTU support, these laboratory power supplies can be easily integrated into an existing or new infrastructure. Code examples for LabView are included to simplify the development of custom solutions and the communication protocols are explained in detail in the manual.

Remote-sensing input (standard)

The remote-sensing input is installed as standard in all power supply units of the DP-HA Series and allows compensation of line losses between the power supply unit and the load. The power supply unit can compensate for losses of up to 2V by measuring the voltage at the load and automatically counteracting it. This function is particularly useful for high currents of over 100A and/or particularly long cables with small diameters.

Trigger loop (standard)

The trigger loop consisting of two potential-free pins (+5V and GND) can be used for remote control (triggering, interrupting) of pre-programmed automatic sequences. This is especially important for time-controlled applications where timing is crucial.

Analogue inputs and outputs 5V (standard)

Precision power supplies in the DP-H series can be remotely controlled completely analogously, apart from digital control via RS232/RS485. For this purpose, 0 ... 5V inputs are available for controlling the output voltage, output current, and output status (on/off, trigger), and 0 ... 5V outputs are available for feeding back actual values such as voltage, current, and system status. In addition, the power supply unit provides a 5V reference voltage, which facilitates the connection of external potentiometers.