ICP DAS USA I-87211W User Manual page 90

Examples:
Command: ~014P
Response: !011
Reads the power-on DO value of module 01 and
the module returns a value of 1.
Command: ~014S
Response: !010
Reads the safe DO value of module 01 and the
module returns 0.
Related Commands:
Section 2.33 ~AA5V
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I-87211W User Manual