7 IOP Calibration Procedures
7.5 Nonredundant HLAI IOP Calibration Procedure
R688 HPM High-Performance Process Manager Service 445
December 2020 Honeywell
7.5 Nonredundant HLAI IOP Calibration Procedure
CAUTION
There is a risk of electric shock when performing the procedures in this section.
SHOCK HAZARD
Troubleshooting, opening this equipment and removing any panels or covers will expose the
user to the risk of a shock hazard. There are no user serviceable parts inside this equipment.
Refer all servicing only to qualified service personnel.
Introduction
The following calibration procedure is written for the nonredundant model MU-TAIH02 or MU-TAIH03
HLAI FTA, but the procedure can also be used for the redundant model MU-TAIH12, MU-TAIH13,
MU-TAIH22, MU-TAIH23, MU-TAIH52, MU-TAIH53, MU-TAIH62, MU-GAIH12/82,
MU-GAIH13/83, MU-GAIH14/84, and MU-GAIH22/92 FTAs.
Galvanic isolation FTA connection points
The connection points for the calibration voltage source and the shorting location that starts the
calibration differs for the model MU-GAIH12/82, MU-GAIH13/83, and MU-GAIH14/84 Galvanically
Isolated FTAs. Because of circuit density on the FTA board assembly, IOP calibration terminals, similar
to those on a standard FTA, could not be added to the assembly. Instead, unused pins in the FTA’s
50-pin auxiliary connector, J19, provide a calibration interface for the Galvanic Isolation HLAI
Calibration tool, Honeywell part number 51201450-100. The following table lists the voltage input pins
and calibration start pins.
Table 86 Galvanically Isolated HLAI Calibration Connector Pins
Calibration terminals
The signals required for calibration of the HLAI IOP are provided at the screw terminals at the end of the
tool’s cable when the cable is connected to the auxiliary connector on the HLAI FTA. The calibration
procedure is the same procedure used for the standard HLAI FTA.
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