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	SY1527 / SY2527 / SY3527 Universal Multichannel System - A1535D

	12 Channel 3.5 kV/3 mA Common Floating Return Board	New

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Highlights

Channels with common floating return
Available with either positive or negative polarity
0 ÷ 3.5 kV output voltage
3 mA current full scale, with 500 nA resolution
500 mV Voltage Set/Monitor resolution
Voltage ripple smaller than <20 mVpp (typical)
Programmable TRIP parameter
Current generator operation in Overcurrent condition
SHV coaxial connectors

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SY1527 / SY2527 / SY3527 Universal Multichannel System

SY1527 - SY2527 - SY3527 HV Floating Power Supply Boards

A1535D

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A1535D - 12 Channel 3.5 kV/3 mA Common Floating Return Board

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The Mod. A1535D is a single width (5TE wide) board housing 12 HV channels, available with either positive or negative polarity. The channels share a common floating return, which allows on-detector grounding reducing the noise level; the floating return is insulated from the crate earth up to ±50 V (with a 65 V hardware limit).
The output voltage range is 0 ÷ 3.5 kV, with 3 mA maximum output current and 0.5 V set and monitor resolution. The boards is provided with both current and voltage protections. If over-current occurs, the relevant channel can be programmed either to turn off after a programmable trip time or to keep on providing the maximum allowed current: this particular feature allows the modules to work as current generator. The maximum output voltage 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 channels can be enabled according to the interlock logic.
The HV RAMP-UP and RAMP-DOWN rates may be selected independently for each channel in the 1 ÷ 500 V/s range (1 V/s step).

Polarity	A1535DN: Negative A1535DP: Positive
Output Voltage	0÷3.5 kV
Max. Output Current	3 mA
Voltage Set/Monitor Resolution	500 mV
Current Set/Monitor Resolution	500 nA
VMAX hardware	0÷3.5 kV common for all the board channels
VMAX hardware accuracy	± 2% of FSR
VMAX software	0÷3.5 kV settable for each channel
VMAX software resolution	1 V
Ramp Up/Down	1÷500 Volt/sec, 1 Volt/sec step
Voltage Ripple	< 20 mV typical; max 30mV
Voltage Monitor vs. Output Voltage Accuracy	typical: ± 0.3% ± 0.5 V max: ± 0.3% ± 2 V
Voltage Set vs. Voltage Monitor Accuracy	typical: ± 0.3% ± 0.5 V max: ± 0.3% ± 2 V
Current Monitor vs. Output Current Accuracy	typical: ± 2% ± 1 µA max: ± 2% ± 5 µA
Current Set vs. Current Monitor Accuracy	typical: ± 3% ± 1 µA max: ± 3% ± 5 µA
Maximum output power	8 W per channel (software safety limit)

Description	Last Update
A1535D_REV0.pdf	01.09.2010
Precautions_for_Handling_Storage.pdf	04.01.2008

Code	Description
WA1535DXAAAA	A1535DN - SY1527 H.V. channels -3.5 KV 3 mA - SHVcommon floating (12 ch)
WA1535DXPAAA	A1535DP - SY1527 H.V. channels +3.5 KV 3 mA - SHVcommon floating (12 ch)


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