Decagon Devices GS3 매뉴얼 - 페이지 9

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GS3 Integrator Guide

ADDRESS QUERY COMMAND (?!)

While disconnected from a bus, the address query command can be used to determine which sensor you

are currently communicating with. Sending this command over a bus will cause a bus contention where all

the sensors will respond simultaneously and corrupt the data line. This command is helpful if you are trying

to isolate a failed sensor. Here is an example output from one of our sensors (the logger command is in

bold):

?!0

PARAMETER

FIXED LENGTH

2 Chars

1 Char

DESCRIPTION

Request from the data logger asking for a response from any sensor

listening on the data line.

Sensor Address. Returns the sensor address to the currently

connected sensor.

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