MSA SENTRY io User Manual

2 Overview
US SENTRY io 15
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Analog Input Device Identifiers include:
o
Channel # for each field device
o
Tag name for each field device (maximum characters: 11)
o
Location description (maximum characters: 11)
o
Type of field device (examples include comb gas detector, toxic gas detector, low O2 detector, Open Path,
etc.)
o
Type of Gas to be detected (examples include methane, propane, H2S, HF, etc.)
o
Units of Measurement (examples include % of LEL, PPM, % Volume, LEL-M, etc)
o
Full Scale of Measurement (examples include 100 %LEL, 100 PPM, 50 PPM, 25 PPM, 5 LEL-M, etc)
o
Alarm Levels 1 (low), 2 (medium), and 3 (High) setpoints for input devices in proper units and measurement
scale
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Digital Input Device Identifiers include:
o
Input Channel #
o
Input Tag Name
o
Input Enabled or Disabled
o
Input Latching or Non-latching
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Relay Output identifiers include:
o
Relay Module and Channel #
o
Relay Name
o
Relay Description
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Relay Zone Voting Requirements
o
If selected, user must define Voting Zones required and names of each Zone
o
User must define which Discrete signals and Analog Alarm signals shall be evaluated within Zone voting logic
For assistance, use the Cause and Effect Planning spreadsheet in the SENTRY io Online Help to do your cause and effect
pre-planning.

MSA SENTRY io Specifications

General

Brand	MSA
Model	SENTRY io
Category	Controller
Language	English