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N1471ET

4 Ch Reversible 5.5 kV/300 µA NIM HV Power Supply Module (USB/Ethernet/T.screen)

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Features

  • 4 independent channels in 2U NIM module
  • 5.5 kV / 300µA output range
  • Channels with individually selectable positive or negative polarity
  • SHV coaxial output connectors
  • Common floating return
  • Low Ripple
  • Under/over-voltage alert, overcurrent and max. voltage protection
  • Interlock logic for board enable and Individual channel kill
  • 5 nA Current monitor resolution resolution (with x10 Imon-Zoom: 500 pA)
  • 2.8″ color touch screen display
  • Local and Remote control (USB2.0/Ethernet)
  • Daisy-chain capabilty
  • Software Tools for easy channel management
More info
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Overview

The CAEN Mod. N1471ET provides 4 independent High Voltage channels in a double width NIM mechanics. Each channel can provide a ±5.5 kV max voltage and a 300 µA max current. The output polarity is independently selectable for each channel.

Channels have common floating return (common return insulated from the crate ground); HV outputs are delivered through SHV connectors.

blank SHV connector

NIM double width, 4 channels for Mod. N1471ET

Consult our connectors reference page for technical information.

The HV output Ramp-up and Ramp-down rates may be selected independently for each channel in the range 1÷500 V/s in 1 V/s steps. The module features 5nA Iset/Imon resolution. Zoom (x 10) for Imon increases resolution to 500 pA. Module control can take place either locally thanks to a 2.8″ Touchscreen Graphic color LCD display with a completely redesigned user interface or remotely, via USB 2.0 or Ethernet.

A complete set of Software Tools is available to control these units; the user can freely download low level libraries, LabVIEW driver and Graphical application software.

Safety features allows the module to perform as a current generator and includes:

Channels can be enabled or disabled can be enabled or disabled through the Global Interlock logic.
Overvoltage and Undervoltage warning when the output voltage differs from the programmed value by more than 2% of set value (minimum 10V).
Overcurrent detection if a channel tries to draw a current larger than its programmed limit, it enters TRIP status, keeping the maximum allowed value for a programmable time (TRIP), before being switched off.
Hardware VMAX
 programmable VMAX protection limit.
Safety Board Interlock common Interlock logic for channels enable/disable and individual inputs signal for channel Kill function.

Module control can take place either locally, assisted by a Graphic colour display, or remotely, via USB (1) or RS485 (1). It is also controllable via TCP/IP (2) by the Smart Fan Unit of CAEN NIM8301 crate:

Available Options:

  • A1480 DC Input Power Equalizer.

Technical Specifications

Packaging

Double width NIM mechanics. Weight: ~2.6 kg

Output channels

4 channels, Common Floating Return, SHV connector Positive or Negative Polarity (requires internal setting)

Output ranges
5.5 kV / 300 µA
5.5 kV / 30 µA
(IMonRange = High)
(IMonRange = Low) – Imon Zoom Active
Max. Ch. Output Power

1.65 W

Vset Resolution

100 mV

Vmon Resolution

100 mV

Iset Resolution

5 nA

Imon Resolution
5 nA
500 pA
(IMonRange = High)
(IMonRange = Low) – Imon Zoom Active
Vmax

0 ÷ 5600 V Absolute maximum HV level that the channel is allowed to reach, independently from the preset value Vset. Output voltage cannot exceed the preset value Vmax. The accuracy is 1 % ± 5 V

Vmax resolution

± 1 V

Alarm output

Open collector, 100 mA maximum sink current

Interlock input

LOW: < 1 V; current~5mA; HIGH: 4÷6 V

Ramp Up/Down

1÷500 Volt/s, 1 Volt/s step

Trip
  • Max. time an “overcurrent” can last (seconds). A channel in “overcurrent” works as a current generator; output voltage varies in order to keep the output current lower than the programmed value.
  • “Overcurrent” lasting more than set value (1 to 9999) causes the channel to “trip”.
  • Output voltage will drop to zero either at the Ramp-down rate or at the fastest available rate, depending on Power Down setting; in both cases the channel is put in the OFF state.
  • Trip range: 0 ÷ 999.9 s; 1000 s = INFINITE. Step = 0.1 s (If trip= INFINITE, “overcurrent” lasts indefinitely)
Voltage Ripple
20 ÷ 1000 Hz:

  • Typical: 10 mVpp
  • Maximum: 15 mVpp
 1 ÷ 20000 kHz:

  • Typical: 3 mVpp
  • Maximum: 8 mVpp
Vmon vs. Vout Accuracy

:±0.02% of read value ±2V

Vset vs. Vout Accuracy

±0.02% of read value ±2V

Imon vs. Iout Accuracy
±2% of read value ±20 nA
±2% of read value ±2 nA
(IMonRange = High)
(IMonRange = Low) – Imon Zoom Active
Iset vs. Iout Accuracy
±2% of read value ±30 nA
±2% of read value ±3 nA
(IMonRange = High)
(IMonRange = Low) – Imon Zoom Active
Humidity range

0 ÷ 80%

Storage temperature

-10 ÷ 70°C

Operating temperature

0 ÷ 45°C

Vout / Temperature coefficient

max. 50 ppm / °C

Imon / Temperature coefficient

max 100 ppm/ °C; max 300 ppm/ °C with Imon zoom

Long term stability Vout vs. Vset

± 0.02% (after one week @ constant temperature)

Compare

Compare with NIM High Voltage Power Supplies.

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Accessories

HV Cables
High Voltage Cable Assemblies
A1480
DC Power Input Equalizer for N14XX Family

Ordering Options

Code Description
WN1471ETXAAA N1471ET - 4 Channel 5.5kV NIM HV Power Supply Module with Ethernet & 2.8" Touchscreen   RoHS

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