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	SY1527 / SY2527 / SY3527 Universal Multichannel System - A1735

	12 Channel 1.5 kV/7 mA Board

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Highlights

12 channel HV boards
0÷1.5 kV output voltage
7 mA current full scale
Available with positive or negative polarity
0.1 V Voltage Set / Monitor resolution
500 nA current Set / Monitor resolution
Voltage ripple smaller than 30 mV pp
Programmable TRIP parameter
1÷500 Volt /sec programmable Ramp Up/Down

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SY1527 / SY2527 / SY3527 Universal Multichannel System

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A1735

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A1735 - 12 Channel 1.5 kV/7 mA Board

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The Mod. A1735 is a single width boards housing 12 HV channels with either positive (A1735P) or negative (A1735N) polarity.

The Mod. A1735 output channels have 1.5 kV / 7 mA full scale range.

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÷ 500 V/s in 1 V/s steps.

The output current is monitored with 20 nA; 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 boards are provided with an "HV EN" input that disables the channels when it is not connected to ground.

Polarity	Positive / Negative depending on purchased version
Output Voltage	0÷1.5 kV
Max. Output Current	7 mA
Voltage Set/Monitor Resolution	100 mV
Current Set/Monitor Resolution	20 nA / 500 nA depending on current range
VMAX hardware	0÷1.5 kV common for all the board channels
VMAX hardware accuracy	± 2% of FSR
VMAX software	0÷1.5 kV settable for each channel
VMAX software resolution	1 V
Ramp Up/Down	1÷500 Volt/sec, 1 Volt/sec step
Voltage Ripple	< 30 mV pp
Voltage Monitor vs. Output Voltage Accuracy	± 0.3% ± 0.2 V
Voltage Set vs. Voltage Monitor Accuracy: 2	± 0.3% ± 0.1 V
Current Monitor vs. Output Current Accuracy	± 2% ± 2 µA
Current Set vs. Current Monitor Accuracy	± 2% ± 0.5 µA

Description	Last Update
A1735B-A1835B_rev7.pdf	15.01.2010
Precautions_for_Handling_Storage.pdf	04.01.2008

Name	Last Update
A1735 User Manual	15.01.2010

Code	Description
WA1735PAAAAA	A1735P - SY1527 H.V. channels +1.5 KV 7 mA - SHVConn. (12 ch)
WA1735NAAAAA	A1735N - SY1527 H.V. channels -1.5 KV 7 mA - SHVConn. (12 ch)


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