User Manual

Chapter 5
5-23 ADAM 4000 Series User’s Manual
4011D, 4015, 4015T, 4018+, 4019+
$AAB
Name C hannel Diagnose command
Description Diagnose channel status in ove r ran ge, u nder ran ge, and
wire opening.
Syntax $AAB(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character he xadecimal
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-4011D:
!AA0(cr) if t he m odule detects a close the rmocouple.
!AA1(cr) if the module detects an open thermocouple.
?AA(cr) if an invalid command was issued.
ADAM-4015/4015T/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 e rror of if the s pecified a ddress does not
exist.
! delimiter character i ndicates a valid command wa s
received.
? delimiter character indicates the command was invalid.
AA (range 00-FF) represents the 2-character he xadecimal
address of the analog input module.
NN (range 00-FF) is a hexadecimal number that equals the
8-bit p arameter, representing th e statu s of an alog i nput
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)