2 Equipment Description
2.20 24 Vdc Fuse Protection
114
HPM High-Performance Process Manager Service
R688
Honeywell
December 2020
IOP Only card file
The “IOP Only” card file assembly that is used by the Process Manager and Advanced Process Manager
can be used with the High-Performance Process Manager. When upgrading a PM or APM to HPM
hardware, it is not necessary to also convert the IOP card file(s) to 15-Slot IOP card file(s).
IOP Only card file assemblies
An early version of the IOP Only card file did not offer card and FTA fuse protection at the backpanel.
This backpanel can be identified by the assembly number 51401129, revision A. Later versions of the
51401129 backpanel have time-delay 3 A fuse protection for the IOP card and its associated standard
FTA. They are identified by assembly 51401129, revision B, or later. Assembly 51401406 and 51402599
backpanels, all revisions, have fast-action 2 A fuse card and FTA protection. All card file backpanel
assemblies provide a fast-action 0.5 A fuse for the LLAI optical coupler module on the backpanel, U1.
Summary of Contents for HPM
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