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Section 4 Operation AC 800M Controller (PM8xx)

3BSE 027 941 R301 111

Switches and Push buttons

Connectors

Table 16. 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 17. PM8xx/TP830 – Connectors

Marking Function

L+

L–

External Power Supply Connection

+24 V DC supply

Redundant Power Supply monitoring input

B+

B–

External Battery Connection

Shield (Screw Connector)

Battery Positive (Screw Connector)

Battery Negative (Screw Connector)

ModuleBus Connection

Data Transmission Port (Optical)

Data Reception Port (Optical)

Note – Duplex or Simplex optical cables may be used.

ABB AC 800M User Manual

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