12 Channel Floating 100 V, 1mA/10mA Board
- 12 floating channels
- 0÷100 V output voltage
- 10 mA / 1 mA dual current range
- 20 mV Voltage Set / Monitor resolution
- 1 / 0.1 µA Current Set / Monitor resolution
- Voltage ripple smaller than 15 mV pp
- Programmable TRIP parameter
- 1÷50 Volt /sec programmable Ramp Up/Down
- Current generator operation in Overcurrent condition
A1510 board houses 12 independent floating output channels and is able to provide up to 100 with 20 mV of set and monitor voltage resolution. The A1510 ofers 1 mA / 10 mA dual current range (selectable via internal jumpers) and its channels can be individually enabled or disabled. The voltage ramp rates may be set independently for each channel. Additionally, it features individual fully floating channels allowing on-detector grounding, thus providing the best reduction of the voltage ripple and avoiding ground loops which may increase noise level.
Moreover, the A1510 boards, specifically designed for the double-side silicon detector features on the output connector a 1/2 CHx reference: it is a reference voltage (high impedance, thus not available as a power source) whose value is 1/2|CHx+| and allows a symmetric supply to the detector.
If the output voltage differs from the programmed value by more than 3% of voltage full scale range, the channel is signalled to be either in OVERVOLTAGE or UNDERVOLTAGE condition. Moreover, for each channel, a voltage protection limit SVMAX can be fixed via software with 1 V resolution and the output voltage can not be programmed beyond this value.
The HV RAMP-UP and RAMP-DOWN rates may be selected independently for each channel in the range 1÷50 V/s in 1 V/s steps.
The output current is monitored with 100 nA / 1 µA resolution depending on current range; if a channel tries to draw a current larger than its programmed limit it is signalled to be in OVERCURRENT condition; the SY1527 system detects this state as a fault and reacts according to the setting of the TRIP parameter, namely:
1) TRIP=infinite ( = 1000 s)
When the set output current value is reached the channel behaves like a constant current generator.
2) TRIP=finite (< 1000 s)
The output current keeps the set value only for programmed time interval and then is switched off.
The TRIP time (i.e. the maximum time an OVERCURRENT condition is allowed to last) can be programmed in 0.1 s steps.
The maximum output voltage (VMAX Hardware) can be fixed, through a potentiometer located on the front panel, at the same common value for all the board channels and this value can be read out via software.
The board is provided with an “HV EN” input that disables the channels when it is not terminated on 50 Ohm.
- Output Voltage
- Max. Output Current
1 / 10 mA
- Voltage Set/Monitor Resolution
- Current Set/Monitor Resolution
100 nA /1 µA depending on current range
- VMAX hardware
0÷100 V common for all the board channels
- VMAX hardware accuracy
± 2% of FSR
- VMAX software
0÷500 V settable for each channel
- VMAX software resolution
- Voltage Monitor vs. Output Voltage Accuracy
± 0.1% ± 50 mV
- Voltage Set vs. Voltage Monitor Accuracy
± 0.1% ± 50 mV
- Current Monitor vs. Output Current Accuracy
± 1% ± 5 µA (10 mA range);
± 1% ± 0.5 µA (1 mA range)
- Current Set vs. Current Monitor Accuracy
± 1% ± 1 µA (10 mA range);
± 1% ± 0.1 µA (1 mA range)
- Ramp Up/Down
1÷50 Volt/sec, 1 Volt/sec step
- Voltage Ripple
< 15 mV pp
12 Channel Floating 100 V, 1mA/10mA BoardProduct page
|Name||File extension||File size||Revision||Last update|
|A1510 12 Ch. 100 V, 1/10mA Individual Floating Channel Dual Range Board||268.70 kB||8||March 24th, 2014|
|Precautions for Handling Storage Installation (ENG/ITA)||179.29 kB||-||April 10th, 2019|
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