Advant
®
Controller 450 User’s Guide
Section 4.1.5 Relations between Start Modes and Working Modes
3BSE 002 415R701 Rev A 4-5
4.1.5.1 First Power-up
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.
Set 3 (CLEAR) on both processor modules, then the left module is PRIMARY.
Resulting working modes:
PRIMARY P2 CONFIGURATION
BACKUP Start in b2 UPGRADING and then transition to b1 STANDBY
Figure 4-2. First Power-up
Starting-point: Uninitialized controller, for example
Event : Power-up
Start mode selector:
Actions executed
by the controller
Resulting
working mode
newly delivered controller, or controller without memory backup voltage.
- Install system
SW
- Clear applic.
area
OPERATION
P1
STOPPED
-3
OFFLINE
-4
(Compulsory
setting)
2
3
4
(AUTO) 1
2
3
4
1
(CLEAR)
2
3
4
1
(STOP)
3
1
(OFFLINE)
2
3
4
CONFIG.
P2