Plant changes during redundant operation - H-CiR
12.3 Addition of interface modules
CPU 410 Process Automation/CPU 410 SMART
200 System Manual, 05/2017, A5E31622160-AC
9. Switch to CPU with modified configuration.
– In SIMATIC Manager, select a CPU of the fault-tolerant system, then select "PLC >
Mode" from the menu.
– In the "Mode" dialog box, click "Switch to..."
– In the "Switch" dialog box, select "with modified configuration" and click on the
"Switch" button.
– Confirm the security prompt with "OK".
10.Proceed as follows if you want to expand the subsystem of the original master CPU (now
in STOP):
– Switch off the power supply to the standby subsystem.
– Insert the new IM460 in the CPU and establish the link to a new expansion unit
or
– Add a new expansion unit to an existing line
or
– Plug in the new external DP master interface and establish a new DP master system.
– Switch the power supply to the standby subsystem back on.
11.Transition to the redundant system state.
– In SIMATIC Manager, select a CPU of the fault-tolerant system, then select "PLC >
Mode" from the menu.
– In the "Mode" dialog box, select the standby CPU and click "Warm restart".
12.Change and download the user program (see Modify and download the user program
(Page 210))
Change hardware configuration offline (Page 208)
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