11
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∙
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∙
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∙
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∙
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∙
∙
www.hivolt.de
4.7
Functional Test
Before the device is finally put into operation in a test set-up, a short functional test is to be carried
out. For this purpose, it is necessary that the interlock circuit is closed.
1.
Make sure that the supply voltage is disconnected.
2.
Remove all input signal cables and the output cable from the device.
3.
Connect the terminals
X4 +24V Ilck
and
Interlock
with the aid of a wire link.
4.
Connect the supply voltage.
5.
The
Power
,
Shutdown
and
Enable
LEDs will light up.
6.
Activate the
SDN Reset
push button of the
S1
switch and set the switch to
HV on
.
7.
The
Power
,
Enable
and
HV on
LEDs will light up, the other LEDs will not.
8.
Set the switch to
HV off
.
9.
The
HV on
LED will turn off.
10.
Disconnect the supply voltage.
11.
Open the interlock bridge at
X4
.
12.
Connect the supply voltage again.
13.
The
Interlock
LED will light up.
14.
Press the
SDN Reset
push button.
15.
The interlock status remains unchanged and the high voltage cannot be switched on.
16.
Turn off the supply voltage.
4.8
Input Connection
The amplifier features a differential signal input. If the signal generator has single-ended outputs, the
reference signal shall be grounded on the generator side.
The analog control signal can be fed via the SMB connector
X2
or the D-Sub connector
X1
.
The input differential amplifier can be adapted to signal sources with 50
Ω
output impedance or low
output impedance. The characteristic can be changed using the command
$ SS
.
