Product specifications

Start-up Section 4 Operation
182 3BSE036351-510 A
Start-up
Refer to relevant document for information on:
• Firmware download
• Controller IP address
• Downloading application
• Updating firmware
Start-up in Redundant Configuration (CEX Bus Considerations)
The redundant configuration using CEX bus and CEX modules is supported along
with the processor modules PM861, PM864, PM865, PM866 and PM891.
At start-up, some things regarding the CEX bus and CEX modules have to be
considered when starting up a redundant AC 800M system:
• Without using BC810 units:
– At least one CEX module must be inserted, if there are base plates without
inserted modules in other positions.
CEX-BUS Provides extension of on-board communication ports.
Valid for PM861/PM864/PM865
RCU Link Connector Provides information and data transfer between Primary
and Backup CPU in redundant configuration.
Valid for PM891
RCU Data Link
Connector
Provides transfer of data required to keep the backup
CPU synchronized with the primary CPU.
RCU Control Link
Connector
Provides role selection and CPU identity assignment.
(1) Electrical ModuleBus not valid for PM891.
Table 22. PM8xx/TP830 and PM891 – Connectors (Continued)
Marking Function