ABB 800xA Operation page 146

System Performance Display
The bar graphs are color coded. Red indicates a high level of resource utilization (90
to 100%), yellow a moderately high level of utilization (75 to 90%), and green a
moderate level of utilization (0 to 75%). White is used to indicate neutral facts.
Excessive CCF load (red region) may be caused by problem areas such as:
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Reset ALL
Resets the samples since time year and month. YYYYMM.0 for Reset CPU, Reset
CCF, and Reset (Memory utilization).
Reset CPU
The Reset CPU button resets DATA1 of a SYS Data Entry FCM to zero which
resets the CPU load samples since time year and month.
Reset CCF
The Reset CCF button resets DATA7 of a SYS Data Entry FCM to zero which
resets the CCF load samples since time year and month.
Reset Memory Utilization
The Reset button resets DATA1 of a MEM Data Entry FCM to zero which resets the
memory utilization samples since time year and month.
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The BASERATE field on the CCF Templet causing high average usage.
The PROCESSING RATE or PROCESSING PHASE field on the Loop
Definition or Device Loops Templet causing large peaks and low current usage.
Continuous or device loops driven by digital inputs causing high current and
average usage.
Alarm frequency due to narrow deadbands (causes high peak usage).
Section 6 Status Displays
3BUR002418-600 A