Opening The H-Cir Wizard - Siemens SIMATIC CPU 410 System Manual

12.8.3

Opening the H-CiR wizard

The next steps, except for changing and loading the user program, are performed by the H-
CiR wizard.
Reaction of the I/O to the new master CPU
While the previous master CPU is still in STOP, the I/O reacts to the new master CPU as
follows:
Type of I/O
Added I/O mod-
ules
I/O modules still
available
Added DP stations Not yet accessed by the
CPUs are also first reset. Output modules briefly have 0 (instead of the configured substitute or
1)
holding values).
Reaction of the I/O to entering redundant mode
The fault-tolerant system is in redundant mode with the new configuration. The I/O reacts as
follows:
Type of I/O
Added I/O mod-
ules
I/O modules still
available
Added DP stations like I/O modules to be
1) CPUs are also first reset. Output modules briefly have 0 (instead of the configured substitute or
holding values).
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
One-sided I/O of the
previous master CPU
Not yet accessed by the
CPU.
No longer accessed by
the CPU.
Output modules have the
configured substitute or
holding values.
CPU.
One-sided I/O of the
reserve CPU
Configured and updated
by the CPU.
Driver blocks are not yet
available. Any occurring
alarms are not reported.
Newly configured and
1)
updated by the CPU.
added (see above)
Plant changes during redundant operation - H-CiR
One-sided I/O of the new
master CPU
Configured and updated by the CPU.
Driver blocks are not yet available. Any occurring
process or diagnostic alarms are detected, but not
reported.
Newly configured and
1)
updated by the CPU.
like I/O modules to be added (see above)
One-sided I/O of the
master CPU
Updated by the CPU.
Driver blocks are not yet available. Any occurring
process or diagnostic alarms are detected, but not
reported.
Continue working without interruption.
Driver blocks are not yet available. Any occurring
alarms are not reported.
12.8 Adding components
Switched I/O
Continue working without
interruption.
Switched I/O
209