Model IR5500
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4.0 Operation
The Model IR5500 Open Path Gas Detector front panel includes an LED digital
display, Alarm and Warning LEDs, and displays a set of menu options that provide
the user with the most flexible detector system possible. In addition to the IR5500
menu options for operations and configuration tasks, there is an extensive set of
Modbus and HART commands for the same tasks that can be sent from remote
Modbus and HART devices in control room areas.
The IR5500 menu options are described in detail in this section.
Modbus commands are described in a separate Modbus programming
manual available for download from the General Monitors website.
HART commands are described in the HART Field Device Specification
available for download from the General Monitors website.
4.1 Using the IR5500 Menus
The IR5500 menus allow the user to complete many operational tasks.
Start the alignment of the Source and Receiver or initiate a gas check via
Test Gas Mode.
Configure the % LEL required to generate a Warning or Alarm, as well as
the warning and alarm relay settings for Energized/De-energized and
Latching/Non-Latching.
Configure Modbus or HART communication settings.
Select mirror image option for display (FLP).
Select delays for beam block fault.