4 Fault Isolation
4.4 Smart Transmitter Interface
350 HPM High-Performance Process Manager Service R688
Honeywell December 2020
4.4 Smart Transmitter Interface
Introduction
A fault in an Smart Transmitter Interface (STI) point can be isolated to one of the following areas.
ï‚· STI (STIM) IOP
ï‚· Associated FTA
ï‚· Smart Transmitter device
STI IOP and FTA faults
If a fault occurs in the STI (STIM) IOP or the FTA, the fault can be isolated by the same procedure as
was described previously for other IOPs.