ABB Advant Controller 450 - Page 332

Advant
®
Controller 450 User’s Guide
Chapter 4 Runtime Operation
4-10 3BSE 002 415R701 Rev A
4.1.6.3 RECONFIG
Additional Information for Redundant Processor Modules
Please find above information relevant to the primary unit.
Normally the backup unit has the same start mode selector setting.
Then the sequence of working modes is:
PRIMARY P2 CONFIGURATION
BACKUP b1 STANDBY
⇒
b2 UPGRADING
⇒
b1 STANDBY
LEDs DUAL turned on (both processor modules).
Figure 4-6. Working Mode Caused by RECONFIG
Starting-point:
Event :
Start mode selector:
Actions executed
by the controller
Resulting
working mode
OPERATION
P1
CONFIG.
P2
STOPPED
-3
OFFLINE
-4
Controller executing in working mode
CONFIGURATION
User enters engineering station
command RECONFIG
- Install
system SW
- Erase
application
(Compulsory
setting)
2
3
4
(AUTO) 1
2
3
4
1
(CLEAR)
2
3
4
1
(STOP)
2
3
1
(OFFLINE
3
4