10 SENTRY io US
2 Overview
If employing the optional battery backup, consult the factory.
2.3.2 Input Devices Compatibility
Analog Inputs
The SENTRY io is designed to provide 24 VDC field device power for connected, 2 and 3-wire 4-20 mA signal fixed gas
detectors. The wiring termination blocks for connected gas detectors are located in the lower left hand corner of the panel.
These inputs utilize a three-tier terminal block See the figures below for location and typical wiring connection.
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