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2 Equipment Description
2.20 24 Vdc Fuse Protection
15-Slot card file
The 15-Slot card file provides 2 A fast-action fuse IOP card and associated standard FTA protection. The
backpanel assembly also provides fast-action 2.0 A fuse protection for the LLAI Optical Coupler Module
on the backpanel U1.
When HPMM cards occupy the left two slots of a card file, fuse F2 is not in use. Fuse F1 on the
backpanel is used to supply 24 Vdc to the UCN Interface Module.
15-Slot Card File Backpanel Fuse Protection
The following table lists the individual backpanel fuses and their application for the 15-Slot card file.
The fuse rating is 2 A for fuse locations F1 through F16.
Fuse
F1
2 A fast-action
F2
2 A fast-action
F3
2 A fast-action
F4
2 A fast-action
F5
2 A fast-action
F6
2 A fast-action
F7
2 A fast-action
F8
2 A fast-action
F9
2 A fast-action
F10
2 A fast-action
F11
2 A fast-action
F12
2 A fast-action
F13
2 A fast-action
F14
2 A fast-action
F15
2 A fast-action
F16
2 A fast-action
110
Table 7 15-Slot Card File Backpanel Fuse Protection
Rating
Slot 1 IOP card and associated FTA
or
UCN Interface Module (24 Vdc) if HPMM exists in
card file
Slot 2 IOP card and associated FTA
Slot 3 IOP card and associated FTA
Slot 4 IOP card and associated FTA
Slot 5 IOP card and associated FTA
Slot 6 IOP card and associated FTA
Slot 7 IOP card and associated FTA
Slot 8 IOP card and associated FTA
Slot 9 IOP card and associated FTA
Slot 10 IOP card and associated FTA
Slot 11 IOP card and associated FTA
Slot 12 IOP card and associated FTA
Slot 13 IOP card and associated FTA
Slot 14 IOP card and associated FTA
Slot 15 IOP card and associated FTA
LLAI Optical Coupler Module, U1
HPM High-Performance Process Manager Service
Honeywell
Protection Application
R688
December 2020
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