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	SY1527 / SY2527 / SY3527 Universal Multichannel System - A1534

	6 Channel Floating 8 kV, 200 µA Board

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Highlights

6 floating channels
0÷8 kV output voltage
200 µA current full scale
500 mV Voltage Set/Monitor resolution
20 nA Current Set/Monitor resolution
Voltage ripple smaller than 50 mV pp
Programmable TRIP parameter
Current generator operation in Overcurrent condition

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SY1527 / SY2527 / SY3527 Universal Multichannel System

SY1527 - SY2527 - SY3527 HV Floating Power Supply Boards

A1534

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A1534 - 6 Channel Floating 8 kV, 200 µA Board

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The Model A1534 is a single width (5 TE wide) board housing 6 HV floating channels. The channels feature independent returns, insulated up to 100 V between each other; polarity is non-reversible. The output voltage range is 0÷8 kV (200 µA maximum output current) with 0.5 V monitor resolution.

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 resolution; if a channel tries to draw a current larger than its programmed limit it is signalled to be in OVERCURRENT condition; the SY 1527 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 host also a temperature sensor located on the PCB near the LV channels: the temperature values measured by this sensor are used to signal Over Temperature condition on the SY 1527.
The boards are provided with an "EN" input that disables the channels when it is not terminated.

Polarity	Floating
Output Voltage	0÷8 kV (connector output)
Max. Output Current	200 µA
Voltage Set/Monitor Resolution	0.5 V
Current Set/Monitor Resolution	20 nA
VMAX hardware	0÷8 kV common to all board channels
VMAX hardware accuracy	2% of FSR
VMAX software	0÷8 kV selectable for each channel
VMAX software resolution	1 V
Voltage Ripple	<50 mV pp
Ramp Up/Down	1÷500 V/s, 1 V/s step
Vmon vs. Vout accuracy	typical: ± 0.1% ± 1 V max: ± 0.1% ± 2 V
Vset Vs. Vmon accuracy	typical: ± 0.1% ± 1 V max: ± 0.1% ± 2 V
Imon vs. Iout accuracy	typical: ± 2% ± 40 nA max: ± 2% ± 100 nA
Iset vs. Imon accuracy	typical: ± 2% ± 40 nA max: ± 2% ± 100 nA
Power consumption	130 W

Description	Last Update
A1534_rev3.pdf	10.10.2006
Precautions_for_Handling_Storage.pdf	04.01.2008

Code	Description
WA1534XPAAAA	A1534P - SY1527 H.V. channels +8 KV 200 µAfloating (6 ch)
WA1534XNAAAA	A1534N - SY1527 H.V. channels -8 KV 200 µAfloating (6 ch)


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