3 UCN Status Displays
3.7 HPMM Detail Status Displays
R688
HPM High-Performance Process Manager Service
245
December 2020
Honeywell
Schedule Overrun Counters
The Schedule Overrun Counters portion of the display shows the total overruns for the previous and the
current hour for all eight subcycles of the Control processor scan. On the hour, the
CURRENT HOUR
values become the
PREVIOUS HOUR
values and the
CURRENT HOUR
values are reset. The
overruns are defined in the following table.
Table 49 HPMM Schedule Overrun Counters Statistics
Term
Description
POINT PROCESSOR
OVERRUN
The number of times that the processing of all points
could not be completed in 1 second.
I/O LINK ACCESS
OVERRUNS
The number of timeouts that were encountered during
data requests from the IOPs.
UCN ACCESS
OVERRUNS
The number of timeouts that were encountered during
access of data from HPM, APM, PM, or LM peers.
HPM Write Lockout Displays
HPM WRITE LOCKOUT target
Control of HPM Write Lockout can be executed from the HPM Write Lockout Control display. The
display is invoked by selecting the
HPM WRITE LOCKOUT
target. The display is shown in the
following figure.
Figure 127 HPM Write Lockout Target
WRITE LOCK ON/OFF target selection
The HPM Write Lockout state can be altered only when the HPMM is in the OK or Soft Failure state and
the US keylock is in the
ENGINEER
position.
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