NDT1471
4 Ch Reversible 5.5 kV/300 µA NIM/Desktop HV Power Supply Module (USB/Ethernet/T.screen)
Features
- 4 independent channels in 2U NIM module
- 220 V / 110 V AC plug for desktop operation
- 5.5 kV / 300 µA 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 (with x10 Imon-Zoom: 500 pA)
- 2.8″ color touch screen display
- Local and Remote control (USB2.0/Ethernet)
- Daisy-chain capability
- Software Tools for easy channel management
Overview
The CAEN Mod. NDT1471 provides 4 independent High Voltage channels in a double width NIM mechanics. Desktop operation (110/220V AC Powered, needless a NIM crate) is also supported. 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.
|
SHV connector
NIM double width, 4 channels for Mod. NDT1471 |
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 free software Tools is available to control this unit: GECO2020 with user friendly GUI and CAEN HV Wrapper library for custom SW development. EPICS and LabVIEW also supported.
Safety features allows the module to perform as a current generator and includes:
Safety features allows the module to perform as a current generator and includes:
| 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. |
| VMAX | programmable VMAX protection limit. |
| Safety Board Interlock | common Interlock logic for channels enable/disable and individual inputs signal for channel Kill function. |
Technical Specifications
- Package
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 (IMonRange = High)
5.5 kV / 30 µA (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 (IMonRange = High)
500 pA (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~5 mA; 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 (IMonRange = High)
±2% of read value ±2 nA (IMonRange = Low) – Imon Zoom Active
- Iset vs. Iout Accuracy
±2% of read value ±30 nA (IMonRange = High)
±2% of read value ±3 nA (IMonRange = Low) – Imon Zoom Active
- Cooling Fan
2 Sunon 60 x 60 x 15 mm; 12V KDE1206PHV1 and 2 Mouser 40x40x20 mm; 12V 1608KL-04W-B50-L00
- 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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Ordering Options
| Code | Description |
|---|---|
| WNDT1471AAAA | NDT1471 - 4Ch NIM/Desktop Programmable HV Power Supply (±5.5kV, 300uA, 5nA res.) RoHS |
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Related Software
SW1470
Control Software for NIM Power Supply Modules
LabVIEW Driver (PSM - Power Supply Modules)
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GECO2020
GEneral COntrol Software for CAEN HV Power Supplies
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CAEN HV Wrapper Library
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