Section 1 Introduction
Figure 8
bottom view of PM891.
CEX Bus
Tx/Rx Optical
ModuleBus port
Figure 8. PM891-Front view
3BSE036351-510 A
shows the front view,
DIN-Rail locking device
PM891 Processor Unit – General
Figure 9
shows the top view, and
CN1 and CN2 ports
Figure 10
shows the
LED Status
Indicators
Com
Port
External
Battery
Supply
Socket
Power supply
and
Supervision
Signal
Socket
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