ABB AC 800M, Hardware And Operation

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Start-up Section 4 Operation
112 3BSE 027 941 R301
Start-up
Refer to relevant document (see Related Documentation on page 17) for
information on:
• Firmware download
• Controller IP address
• Downloading application
• Updating firmware
Start Modes
Warm Start
Application-controlling tasks are initiated. Variable values are initialized unless
marked Retain or Cold retain.
To initiate a warm restart, disconnect the power supply for a few seconds.
Following a power failure, the warm restart function will be automatically initiated
on power restoration.
MODULEBUS Provides expansion of I/O unit capability.
CEX-BUS Provides extension of on-board communication ports.
Valid for PM861/PM864
RCU Link Connector Provides information and data transfer between Primary
and Backup CPU in redundant configuration.
Table 17. PM8xx/TP830 – Connectors (Continued)
Marking Function