High voltage module

HIGH VOLTAGE MODULES

PHYSICAL Instruments offers a wide range of high voltage modules in NIM, VME, CAMAC, 3U – 1 channel and 6U – multi-channel formats. Download our full catalog here.

HIGH VOLTAGE MODULE 3U

WITH BLANK PANEL

Module haute tension 3U instrumenté pour chassis Iseg Spezialelektronik

HIGH VOLTAGE MODULE 3U

WITH FRONT PANEL

Cassette HT 1 voie pour chassis 3U Iseg Spezialelektronik

HIGH VOLTAGE MODULE IN

NIM

Module haute tension NIM

HIGH VOLTAGE MODULE IN

VME64 / 64x

Module haute tension VME64/64x

HIGH VOLTAGE MODULE 6U

MULTICHANNEL

Cassette multivoies 1 à 32 voies Iseg Spezialelektronik

LOW VOLTAGE MODULE 6U

MULTICHANNEL

Module basse tension multivoies 4 et 8 voies Iseg Spezialelektronik

HIGH VOLTAGE MODULE 3U WITH FRONT PANEL CONTROL

The high voltage module EHQ-1 offers voltages ranging from 2 kV to 5 kV with currents from 2 mA to 6 mA.

These modules offer a complete instrumentation on the front panel, with several configuration switches. On / Off, KillEnable / KillDisable, current monitoring / voltage monitoring. There is also a 10-turn potentiometer for voltage adjustments and a liquid crystal display (LCD) for reading voltage and current.

Switchable polarity:

The polarities are switched by a rotary switch which is easily accessible on the lateral side. There is no specific handling required. No screws to be removed, no cover to be opened, and it is not necessary to turn over the high voltage block. There are no risks of breaking pins or tearing off components during such an operation.

The lateral side also has 2 rotary micro switches whose role is to clamp the voltage and the current in small incremental steps of 10%.

Interfaces:

In addition of a mini USB port on the front side, the EHQ-1 cassettes are inserted in 4 slots or 8 slots chassis. They have either individual RS232 or common CANbus interfaces, which are located on the rear panel.

This concept has been proven for almost 20 years; it is continuously upgraded with the latest technologies. They are for example used to feed micro channel plates (MCP) or wire chambers in industry and research.

3U HIGH VOLTAGE MODULE WITH NO FRONT-PANEL CONTROL

3 models from 500 V to 30 kV:

This range of high voltage modules is comprised of a series of 3 DC-DC high voltage modules from 500 V to 30 kV with powers from 10 W to 60 W.

Modular solutions:

The module is offered in a 3U vertical format with a depth of 160 mm, and it is intended to be placed in a standard 19″ rack with 8 or 10 slots or a small rack with 4 slots.

This very modular solution allows the insertion of:

  • high performance standard voltage modules (CPS), with
  • high stability, very low noise and reversible polarity modules (DPR), and with
  • more powerful modules (EPS) in the same application.

A USB and Ethernet controller equipped with 20-bit DAC and 24-bit ADC converters enablecommunication with the outside world. The resolution is very high, with around 10 mV on a potential of 1000 V (example).

Automatic identification:

The high-voltage module is now equipped with a ID-chip identification system for an automatic detection as well as an easy and secure integration.

This flexible high-voltage 3U 1-channel instrumented module is suitable for ion beam applications, especially with ion extraction, supply of lenses by switching polarities, supply of deflectors, supply Wien filters.

NIM HIGH VOLTAGE MODULE

NIM high voltage modules for small setups require high flexibility. The NIM modules are standardized, with a height of 222 mm and a width of 34.3 mm. They are fitted with high-speed serial interfaces of USB-2 or Ethernet type. They are equipped with a multi-pin AMP connector on the rear panel, which is supposed to supply the voltages +/- 6 VDC, +/- 12 VDC and +/- 24 VDC (optional 117 VAC) with enough power.

They are versatile and therefore suitable for high-resolution digitizer applications, as well as complex logical and synchronization functions such as for spectroscopy amplifiers or simply for low and high voltage power supplies.

Different NIM solutions exist to meet this versatility:

  • NIM high voltage modules in different configurations (low cost, standard and high precision), with 1, 2, 4 and 6 channels in voltage ranges from 100 VDC to 10 kVDC.
  • NIM cassettes in a kit for self-assembly to integrate your own PCBs, like for example electronic cards based on processors which carry out acquisition tasks.

All these modules are intended to be inserted in a chassis. You will find our complete offer in section ‘NIM chassis’.

VME64 / VME64x HIGH VOLTAGE MODULE:

The VME64 high voltage modules ” Versa Module Eurocard ” have a high speed bus with an efficient interruptedmanagement system based on multiprocessor architecture. The 64-bit bus provides a high transfer rate of 80 MB / s with 32 address lines and 32 multiplexed data lines.

The VME64x bus represents an extension of the VME64. The major contribution relates to the extension of the 5-row connectors of 160 pins P1 / J1 and P2 / J2 and of additional connectors of 95 pins P0 / J0. This increases the number of user defined inputs / outputs. The bandwidth is increased to 160 MB / s. In addition to the + 5 V and +/- 12 V supplies for the VME64, the VME64x defines additional supplies. The + 3.3 V and the + 48 V. The ‘live’ insertion of the modules via insertion / extraction latches has been defined. As well as the IEEE 1101.10 standard has contributed to better electromagnetic compatibility (EMC) and better tolerance to electrostatic discharge (ESD) via contact clips.

The mechanics of VME64 and VME64x high voltage modules:

The mechanics of the VME modules are based on the Eurocard 6U format with a depth of 160 mm. These modules are equipped with two J1 and J2 connectors of 3 rows DIN-96 (the VME64x has 5 rows DIN-160) corresponding respectively to the backplane connectors P1 and P2.

A full range of high voltage modules:

We offer a wide range of high voltage modules VME64 in different configurations:

  • standard and high precision with 2 channels , they are adjustable in local mode via full instrumentation, and their polarity is reversible (+) and (-), they exist in the 2 kV, 3 kV, 4 kV and 5 kV versions.
  • multi-channel concept , available in 2, 4 and 12 channels, from 500 V to 20 kV. Each of the channels has voltage and current regulation.
  • distributor with a multi-output concept, from 8 to 24 channels and from 500 V to 3 kV. It offers the ‘live insertion / live extraction’ function, allowing to connect and disconnect (hot swap) the module in its chassis.

All these high voltage VME64 modules are to be inserted in the chassis. You will find our offer in the sections ‘Chassis VME 64’ and ‘Chassis VME64X’.

HIGH VOLTAGE 6U MULTI-CHANNEL MODULE

A wide variety of choices:

We offer a wide variety of high voltage multi-channel modules in proprietary formats, with options based on the following characteristics.

  • Number of channels and density.
  • Connections – multi pin or single pin – and its wiring.
  • Regulation mode – voltage or current – and their stability performance.
  • Maximum output current.
  • Power consumption and efficiency.
  • Amplitude of ripple & noise.
  • Resolution and accuracy (standard deviation).
  • Temperature and time drifts.
  • etc …

3 high voltage generation modes:

These main criteria then allow you to orient yourself towards the high voltage module solution that meets your needs:

Separate voltage source mode with one transformer per channel. The high voltage modules as STANDARD or HIGH PRECISION version are equipped with separate sources for each channel. The adjustment is extremely precise in voltage and current. The output power per channel is 9 W. The HIGH PRECISION version is equipped with a second current measurement range that is electronically switched, and  it has a resolution of 50 pico Amps.

Single-pole voltage generator mode with a single, multi-winding transformer, whose secondaries are rectified and filtered. This mode can provide high voltage modules with up to 24 channels per PCB for a total of 48 channels per module (two face-to-face PCBs). The displayed objective is the most attractive cost / channel ratio possible. Each voltage is controlled between 1% * Vnominal at the bottom of the scale and 100% of the nominal value at the top of the scale. A current measurement is made with a resolution of 10 (-4) * Inominal. Current regulation is not possible, any overshooting of the set point instantly cuts the voltage. The output power is limited to 1.5W per channel.

Bipolar voltage source mode with one transformer stage per channel. A high voltage module of the bipolar distributor type has a positive source and a negative source. Active charging electronics authorize operations in 4-quadrant mode and in “zero crossing” mode with automatic passage through the baseline (0 volts). The other properties are identical to the unipolar voltage source mode.

Galvanic isolation:

Another technical aspect to consider is galvanic isolation. It contributes to a notable reduction of parasitic noises coming back from common ground by other electronic devices. We offer 3 types.

  • COMMON GROUND (CG), where all the grounds of the high voltage modules are electrically linked to the chassis earth.
  • The COMMON FLOATING GROUND (CF-GND) indicates that all the channels have a common ground with the high voltage modules and that the latter is isolated from the chassis at +/- 60 V max.
  • The FLOATING GROUND (FG) shows that each output channel has its isolated ground, not only in relation to the chassis, but also in relation to the other channels. The insulation level is +/- 25 V or +/- 2000 V on request.

Compact, rigid and robust mechanics:

100% of our high voltage modules are offered in an extremely compact mechanical format with a height of 6U. The depth is limited to 220 mm, ensuring the best rigidity and robustness possible . The width of the high voltage modules always make 1 slot (40.3 mm) whatever the number of channels, the voltage level, the current intensity and the power. We do not offer “double width board” modules which would limit the number of cassettes to be inserted into the chassis and make your design projections difficult. Our high voltage module solutions offer an excellent cost / channel ratio.

LOW VOLTAGE 6U MULTI-CHANNEL MODULE

Low voltage module MPV series, floating ground with Senses:

The range of low voltage modules is mainly composed of the MPV series. These low voltage modules offer 4 and 8 independent low voltage DC channels, that are regulated in voltage and current. All outputs are floating. This allows the wiring with the pole (-) to ground to generate a positive voltage or with the pole (+) to ground to obtain a negative voltage. In order to compensate the line losses consecutively to the high current intensities, “sense” returns connected to the regulation loops provide stable voltages at the end of the cables, on the load side.

For more informationplease follow the technical information on the W-IE-NE-R Power Electronics website.

Extreme power density:

The exclusivity of the MPV technology lies in its mode of supply. An alternating voltage of 385 – 400 VAC from the backplane is directed to each transformer on each input stage of the module. A high transformation ratio makes it possible to obtain low voltages on the outputs. Inversely proportional, this also makes it possible to amplify the current at high levels without requiring power from the upstream chassis. All our chassis are correctly dimensioned, so that all power can be transferred to all the output channels without any restriction. Thus all the modules of the same chassis are always capable of delivering 50 W / channel (8-channel model) and 100 W / channel (4-channel model) for a total of 400 W per module. The MPV series low voltage module is used to power front-end electronic cards of preamp, amplifier, ASIC, FPGA or any type of data acquisition card.

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