Siemens SIMATIC CPU 410 System Manual page 218

Plant changes during redundant operation - H-CiR
12.10 Editing CPU parameters
Table 12- 1 Modifiable CPU parameters
Tab
Startup
Cycle/clock memory
Memory
Time-of-day interrupts (for each time-of-
day interrupt OB)
Watchdog interrupt (for each watchdog
interrupt OB)
Diagnostics/clock
Security
H parameter
The selected new values should match both the currently loaded and the planned new user
program.
Starting situation
The fault-tolerant system is operating in redundant system mode.
Procedure
To edit the CPU parameters of a fault-tolerant system, follow the steps outlined below.
Details of each step are described in a subsection.
Step What to do?
1 Editing CPU parameters offline
2 Open the H-CiR wizard
218
Editable parameter
Monitoring time for signaling readiness by modules
Monitoring time for transferring parameters to modules
Cycle load due to communication
Local data for the individual priority classes
"Active" checkbox
"Execution" list box
Starting date
Time
Execution
Phase offset
Correction factor
Security level and password
Test cycle time
Maximum cycle time extension
Maximum communication delay
Maximum inhibit time for priority classes > 15
Minimum I/O retention time
See section
Changing CPU parameters offline (Page 219)
Opening the H-CiR wizard (Page 219)
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC