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8
PRSU Series, Operating Instructions Manual (Revision 1.0)
Device Mounting and Unmounting
All units should be DIN-rail mounted and/or panel-mounted in an enclosure rated at IP
54 or better. Dust and dampness could lead to malfunction.
▪ There is a notch on the rear of the unit for DIN-Rail attachment.
Wire the device based on which of the following options best suits the target
application:
RESET Mode Control Wiring:
1. Automatic:
In this operating mode, the output relay coils will become energized
automatically if and only if a properly working safety sensor is
appropriately connected and unactuated. Implement this mode of operation
by electrically bridging the device´s S33 and S34 terminals with a wire.
Figure 4: DIN Rail Mounting Detail
Figure 5: RESET Mode (Automatic) Configuration
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