Hpmm I/O Link Status; Table 45 Hpmm I/O Link Information Display - Honeywell HPM Service

HPMM I/O Link status

The status of the HPMM as an I/O Link node is defined in the following table.
Term
IOL RECEIVE CHANNEL
CABLE A ERRORS
CABLE B ERRORS
CABLE A SILENCES
CABLE B SILENCES
LAST COMMUNICATION
ERROR
IOL PROCESSOR
STATUS
TOKEN PASSING
INFORMATION
R688
December 2020

Table 45 HPMM I/O Link Information Display

The current I/O Link receive channel (CHANNEL A or
CHANNEL B) for the HPMM.
Running totals are displayed of the errors/silences
detected for each I/O Link cable Interface since the
startup of the HPMM or the last reset of the error data.
For diagnostic purposes, these totals can be reset to
zero by selection of the RESET HPMM COMM ERRS
target.
The last I/O Link error detected by the HPMM. This error
is set to NONE by selection of the RESET HPMM
COMM ERRS target.
The current status of the I/O Link processor
(OK or ERROR).
DROPS The number of token drops detected
by the I/O Link processor.
STALL TIME The token stall time (fixed) in
microseconds (xxx MICROSECONDS).
HPM High-Performance Process Manager Service
Honeywell
3 UCN Status Displays
3.7 HPMM Detail Status Displays
Description
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