ABB AC 800M Manual page 42
Controller hardware
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Also See for AC 800M:
- Configuration (260 pages) ,
- Hardware and operation (230 pages) ,
- Library object style manual (120 pages)
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PM891 Processor Unit – General
Screw terminals are provided for connections to the power supply and the external
battery.
The 24 V DC power supply powers all the units on the CEX-Bus. The optical
module clusters are powered independently.
RCU Data Link
Figure 9. PM891-Top view
42
RCU Control Link
INIT
Secure Digital (SD) slot
button
Section 1 Introduction
3BSE036351-510 A
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