Siemens SIMATIC PCS 7 Function Manual page 174

Component Replacement and Plant Changes
5.2 Plant changes in runtime
Additional information
You can find detailed, step-by-step instructions on the procedure for plant changes in runtime
in the manual
Note
Note the following information:
● The procedures described for PCS 7 can be found in the
● Make sure that all systems are free from faults and that the H-system is operating
● If you violate one or more rules in this procedure, the fault-tolerant system may respond
The following table is an overview of the descriptions. The procedures described for making
changes in runtime assume that the system is designed redundantly and that your aim is to
achieve this again.
For the procedure used to
replace components ...
Components
Parameter
174
Automation System S7-400H; Fault-tolerant Systems.
Fault-tolerant Systems manual, "Modifying the System During Operation" section.
redundantly and without errors after any modification to the plant.
in ways that restrict its availability, up to and including failure of the entire process control
system.
.... refer to the manual Automation System S7-400H; Fault-tolerant
Systems in section ...
Adding Components in PCS 7
Removing Components in PCS 7
Changes to the memory components of the CPU
Editing CPU Parameters
Changing the parameters settings for a module
Automation System S7-400H;
Fault-tolerant Process Control Systems (V8.0)
Function Manual, 03/2012, A5E02779471-02