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Honeywell HPM User Manual

Honeywell HPM
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2 Equipment Description
2.27 EUCN Cable System
R688 HPM High-Performance Process Manager Service 151
December 2020 Honeywell
Table 17 EHPM Cable Faults
Error scenario
UCN COMM STATUS
UCN CABLE
STATUS/FTE
CABLE STATUS
$FTESTS2
displays
(EHPM with
cable faults)
$FTESTS2
displays
(all other EUCN
nodes)
No FTE cable
problems
A
SIL
B
SIL
A
NSY
B
NSY
OK/OK
UCN: OK/BACKUP
LCN: OK/BACKUP
FTE composite status
A->A
A->B
B->A
B->B
OK
OK
OK
OK
If FTE cable A on
an EHPM node
has a problem
A
SIL
B
SIL
A
NSY
B
NSY
FAIL/FAIL
UCN: OK/BACKUP
LCN: OK/BACKUP
*
FTE composite status
A->A
A->B
B->A
B->B
SIL
SIL
OK
OK
If FTE cable B on
an EHPM node
has a problem
A
SIL
B
SIL
A
NSY
B
NSY
FAIL/FAIL
UCN: OK/BACKUP
LCN: OK/BACKUP
*
FTE composite status
A->A
A->B
B->A
B->B
OK
OK
SIL
SIL
If both FTE cable
A and FTE cable
B on a Primary
EHPM node have
a problem
Primary fails,
Secondary takes
over as the
primary
A
SIL
B
SIL
A
NSY
B
NSY
OK/OK
UCN:
PARTFAIL/OFFNET
LCN: OK/BACKUP
*
[1]
*
[1]
FTE composite status
A->A
A->B
B->A
B->B
OK
OK
OK
OK
If both FTE cable
A and FTE cable
B on a
Secondary
EHPM node have
a problem
A
SIL
B
SIL
A
NSY
B
NSY
OK/OK
UCN:
PARTFAIL/OFFNET
LCN: OK/BACKUP
*
[1]
*
[1]
FTE composite status
A->A
A->B
B->A
B->B
OK
OK
OK
OK
[1] Note: The A SIL, B SIL, A NSY, and B NSY indications only appear for an instant and then shows
blank due to node failure or loss of communication.
Note: If any SIL or NSY bits are set, then the corresponding cables are backlit on the UCN Status
Display, if the UCN CABLE STATUS target is chosen.

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Honeywell HPM Specifications

General IconGeneral
BrandHoneywell
ModelHPM
CategoryNetwork Hardware
LanguageEnglish

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