2 Equipment Description
2.20 24 Vdc Fuse Protection
116
HPM High-Performance Process Manager Service
R688
Honeywell
December 2020
IOP Only card file 24 Vdc power distribution
The following figure illustrates the 24 Vdc power distribution on the IOP Only card file backpanel.
Figure 48 IOP Only Card File Backpanel 24 Vdc Power Distribution
24 Vdc
Notes:
A fas t-action 2 A or time-delay 3 A fuse that is located on the backplane protects each
IOP/nongalvanically is olated FTA combination.
A fas t-action 0.5 A fuse that is located in the card protec ts eac h IOP card.
IOP
1
.5 A
FTA
1
FTA
2
FTA
15
2 A
IOP
2
.5 A
2 A
IOP
15
2 A
IOP Card File Backplane (51401406 or 51402599)
.5 A
FTA
14
IOP
14
2 A
.5 A
24 Vdc
IOP
1
.5 A
FTA
1
FTA
2
FTA
15
3 A
IOP
2
.5 A
3 A
IOP
15
3 A
IOP Card File Backplane (51401129)
.5 A
FTA
14
IOP
14
3 A
.5 A
5067
IOP Only card file backpanel fuse locations
The following figure illustrates the locations of the individual fuses on the IOP Only card file backpanel.
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