MTD2000 AT Command Guide R12
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20.2 Fail Safe Output – AT$FSO
This command will set the fail safe output port to either HIGH or LOW.
Note:
1. If the fail safe output port is used as current source, the current direction is from
device to the load when output is set to HIGH. In this case, set the output to LOW
will deactivate output.
2. If the fail safe output port is used as current sink, the current direction is from load to
the device when output is set to LOW. In this case, set the output to HIGH will
deactivate the output.
Syntax
Command
Response
AT$FSO=<Value>
Note: Write setting.
OK
AT$FSO?
Note: Query setting.
OK
AT$FSO: <Value>
Parameters
Value
0 – LOW
1 – HIGH
Example
Command
Response
AT$FSO=1
Note: Set fail safe output port to HIGH.
OK
AT$FSO?
Note: Query fail safe output port setting.
OK
$FSO: 1