Advantech Adam - 4021, User Manual, Page: 117 / 286

105 ADAM-4000 Series User Manual
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4015, 4018+, 4019+
5.1.13 $AAB
Name Channel Diagnose command
Description Diagnose channel status in over range, under range, and
wire opening.
Syntax $AAB(cr)
$
is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of the analog input module to be detected.
B is the Channel Diagnose command.
(cr) is the terminating character, carriage return (0Dh).
Response ADAM-4015/4018+/4019+:
!AANN(cr) if the command is valid when it applied with.
?AA(cr) if an invalid command was issued.
There is no response if the module detects a syntax error or
communication error of if the specified address does not exist.
! delimiter character indicates a valid command was received.
? delimiter character indicates the command was invalid.
AA (range 00-FF) represents the 2-character hexadecimal
address of the analog input module.
NN
(range 00-FF) is a hexadecimal number that equals the
8-bit parameter, representing the status of analog input
channels. Bit value 0 means normal status; and bit value 1
means channel over range, under range, or open wiring.
(cr)
is the terminating character, carriage return (0Dh)