Allen-Bradley 1407-CGCM, User Manual, Page: 132 / 252

Rockwell Automation Publication 1407-UM001H-EN-P - November 2014
#HAPTER CGCM Unit Software Interface
/PERATING)NTERFACES
In normal operation, the ControlLogix controller and the CGCM unit share
operating data through scheduled and unscheduled ControlNet network
messaging.
The overall functions and detailed content of the CGCM unit data tables are
described in the next section.
#'#-5NIT$ATA4ABLES
The tables in this section show the content and organization of the CGCM Unit
data tables.
4ERMS
These terms are used in the following tables:
•
Spare - Unused now, can be available for future use. If read, spares are zero
value. If written, spare data is ignored by the CGCM unit.
•
Reserved - Used internally by CGCM unit. If read, reserve data can be any
value. If written, reserved data is ignored by the CGCM unit.
•
Generator - Generator output point.
•
Bus - Indicates the synchronizing reference point.
•
Bus A - Indicates either a three phase reference bus, or the first single phase
reference bus.
•
Bus B - If used, the second single phase reference bus.