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PLC Health Monitoring & Reporting Sys 2-1 Manual EPM40002083-001 Rev -
SECTION 2. GENERAL INFORMATION
2.1 Scope
This manual provides information about the installation, operation, and maintenance of
the Programmable Logic Controller Health Monitoring and Reporting (PLCHMR) System
manufactured by Honeywell.
2.2 General Description
The PLCHMR system is a retrofitable health monitoring and reporting system for
Honeywell’s high intensity flashing white obstruction lighting system. A majority of the
system’s functionality is contributed by the PLCHMR module. It is designed for use with
the StrobeGuard, Model SG-60E High Intensity Obstruction Lighting System. The
system is designed and manufactured in compliance with Federal Aviation
Administration Advisory Circular 150/5345-43E. The PLCHMR system will monitor and
report on up to 24 flash-heads controlled by a single controller at distances up to 2500
feet.
The PLCHMR System module is shown in Figure 2.2-1. The major components of the
retrofit kit consist of the following:
• PLCHMR System Module P/N 40002083-001
• Model SGC-60 Master Controller replacement Micro-Controller Unit (MCU P/N
40002085-001)
• Model SGF-60 Flash-head replacement micro-controller units (one for every flash
head P/N 40002084-001)
2.2.1 PLCHMR System Module
The PLCHMR module (see Figure 2.2-1) is a configurable microprocessor-based
system that monitors a StrobeGuard, Model SG-60E High Intensity Obstruction
Lighting system via the RS485 control and status network. The PLCHMR outputs alarm
status via dry contact relays to a remote alarm monitoring system. The PLCHMR
module is preassembled and consists of three circuit card assemblies affixed to
mounting plate. The module provides 2 wiring harnesses that must be attached to two
terminal connectors located on the Model SGC-60 Master Controller (See Figure 2.2-2).
2.2.2 Model SGC-60 Master Controller replacement Micro-Controller Unit
The Master Controller (see Figure 3.3-1) is a micro-controller based system that
controls the flash interval and timing, flash intensity, and monitors the complete
StrobeGuard system via the StrobeGuard RS485 control and status network
(SCSN). The MCU must be replaced during the installation process in order for the
PLCHMR to monitor the SCSN. Software in the new micro controller changes the baud
rate of the SCSN from 300 to 9600 baud. A replacement MCU is provided as part of the
upgrade kit (P/N 40002085-001 and replaces P/N40000328-001).