Plant changes during redundant operation - H-CiR
12.9 Removal of components
CPU 410 Process Automation/CPU 410 SMART
212 System Manual, 05/2017, A5E31622160-AC
The modules to be removed and their connected sensors and actuators are no longer of any
significance to the process being controlled. The fault-tolerant system is operating in the
redundant system state.
Follow the steps below to remove hardware components from a fault-tolerant system in
SIMATIC PCS 7. Details of each step are described in a subsection.
1 Change hardware configuration offline Change hardware configuration offline
2 Editing and downloading the user program Modify and download the user program
(Page 213)
The H-CiR wizard (Page 197)
Modify hardware (Page 215)
This procedure for plant changes does not apply for removing interface modules
(see Removal of interface modules (Page 216)).
Change hardware configuration offline
Starting situation
The fault-tolerant system is operating in the redundant system state.
1. Perform offline only the configuration modifications relating to the hardware being
removed. As you do, delete the icons to the channels that are no longer used.
2. Compile the new hardware configuration but do
download it to the PLC.
The modified hardware configuration is available in the PG/ES. The target system continues
operation with the old configuration in redundant system mode.
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