ABB AC 800M, Manual

Page: 181 / 200

Section 4 Operation AC 800M Controller (PM8xx)
3BSE036351-510 A 181
Switches and Push buttons
Connectors
Table 21. PM8xx – Switches and Push buttons
Marking Type Function
INIT Manual Push
button Initiates

1. Cold Restart if INIT is held less than 2.5
seconds.
2. Controller Reset if INIT is held more than
3 seconds.
If INIT is pushed on the Primary CPU in
redundant configuration a switchover to the
backup CPU will be initiated.
Table 22. PM8xx/TP830 and PM891 – Connectors
Marking Function
L+
L–
SA
SB
External Power Supply Connection
+24 V DC supply
0 V
Redundant Power Supply monitoring input
Redundant Power Supply monitoring input
SH
B+
B–
External Battery Connection
Shield (Screw Connector)
Battery Positive (Screw Connector)
Battery Negative (Screw Connector)
Tx
Rx
ModuleBus Connection
Data Transmission Port (Optical)
Data Reception Port (Optical)
Note – Duplex or Simplex optical cables may be used.
MODULEBUS
(1)
Provides expansion of I/O unit capability.