Display/Operation
Identifier Explanation Operator permission
OB3x reduction with overload In the event of an overload the OB is processed more
slowly.
Reduction is enabled or disabled by selecting the check
box.
In this display, reduction is enabled.
"Higher process control‐
ling" for diagnostics area
Max. number suppr. STOP demanded X (X is a number between 1 and 9999)
The number 50 is preset at the block for X by the sys‐
tem.
After the cycle monitoring time is exceeded for X+2
times, the CPU switches to "STOP"
Alarm limit capacity If the total utilization, which equates to the sum of the
mean values for all the net run times (in % for OB3x,
OB8x + OB1), exceeds the alarm limit capacity, then
the message "Net time consumption of all OBs exceeds
max. limit" is output and the maintenance status is set
to "Maintenance demanded".
Cancel reduction for Emergency mode is terminated automatically when the
maximum total utilization of the controller as configured
in the "Cancel reduction for x%" or "MAX_VAL
(CPU_RT)" parameter is reduced accordingly and
there is no longer any long-term violation of the cycle
time.
Hysteresis alarm limit Hysteresis prevents the message "Net time required by
all OBs exceeds max. limit" from "wavering".
Calculating the CPU load (Display) The CPU load for the display is calculated for the speci‐
fied number of cycles.
Calculating the CPU load (internally) The (internal) CPU load is calculated for the specified
number of cycles.
Message as of request errors If the value is exceeded, an "OB3x request error" mes‐
sage is output.
CPU load increase to Once the slowest running OB has resumed "normal"
running speed for 5 consecutive cycles, the reduction
is canceled.
6.11.3.12 "Connection load display" for CPU connections
Available
This view is displayed for the AS station in the AS/system area for the following CPU types:
● H-CPU 4xx >= firmware V6
Note
This view is available for the maintenance station in the MS Standard version.
Operator control and monitoring
6.11 Faceplate
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA 167
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