12
IA VRD UK.INDD RH 02.06
Digital Power Amplifier
Series VRD350 and VRD355Installation Manual
Parker Hannifin GmbH & Co. KG
Hydraulic Controls Division
2. Commissioning
2.1. Front Panels
Front panels of VRD350 and ABG35S are identical.
The only difference is the plug connector for the
RS232 interface (only with VRD350).
Before switching the supply voltage on,
the electrical wiring must be checked.
Limit switches must be operational
to avoid uncontrolled movements.
Relevant safety regulations must be observed
carefully. Suitable emergency stop measures must
be taken.
Application, Construction and Operation of
ABG35S
The ABG35S plug-in control unit is used in con-
junction with the VRD355 proportional amplifier.
It can easily be plugged in and removed again
when parameters have been set. Combination of
the VRD355 and ABG35S provides the optimum
solution for price sensitive applications together
with ease of operation, especially where a number
of amplifier cards are used e.g. for applications in
production line machines or multi-axis NC ma-
chines. When the ABG35S is removed, unauthor-
ized access to the set parameters is effectively
prevented.
No additional components of any kind are required
for operation of the ABG35S with the amplifier
card.
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