Avoiding a CPU stop
Functions have been integrated into the CPU to ensure that the user programs can continue
running even when the CPU becomes overloaded and to prevent the CPU from switching to
"STOP" mode. The "Emergency mode" parameters are assigned in the "CPU function block"
faceplate, "Parameters view".
NOTICE
Utilization limit
When the CPU gets close to full capacity, the user programs will become sluggish. If this
starts to affect process mode, the user program will need to be reconfigured.
You can find additional information about this in the section ""Parameters" view for AS
objects (Page 165)".
6.11.3.10 "OBx..." view for AS objects
Available
This view is displayed for the AS station in the AS/system area for CPU types that support the
SFC78 and have the following firmware versions:
● Standard CPU 41x >= firmware version V5.0
● H-CPU 4xx >= firmware version V4.5
Note
This view is available for the maintenance station in the MS Standard version.
Overview
This view displays the utilization of the OBs in a CPU with diagnostics functionality.
The following figure shows an example of the "OB3x" view .
Operator control and monitoring
6.11 Faceplate
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA 163
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