Switch
BW RigRat supports three separate SPST PhotoMOS relay output switch connections for
applications where other equipment needs to be controlled (lights, sirens, etc.).
Relay Definitions:
Relay 1 Any gas sensor failed, or STEL/TWA/+OL/-OL alarms
Relay 2 Any high alarms
Relay 3 Any low alarms
IMPORTANT! This is a fixed configuration that can only be modified via Device Configurator
app.
Note: Driving high current or voltage through the switch will damage the product.
Note: The default option is NO (normally open). It can be set to NC (normally closed) via the
Device Configurator app. Note that NC consumes more battery current.
PhotoMOS relay output switch parameters
Must meet IS parameters if used in hazardous area!
Item Value Note
Voltage 30V AC/DC
Max power consumption on switch 0.75W
Continuous load current 100mA
On resistance 1Ω typical
BW RigRat 56 User Manual
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