Advantech 5000 Series - Manual (Page 109)

Command Set 5017/5018
Analog Input
$aaSi6
Name Read Channels Status
Description Asks a specified input module to return the status of all
channels
Syntax $aaSi6(cr)
$ is a delimiter character.
aa (range 00-FF) represents the 2-character hexadecimal
address of the ADAM-5000 system you want to
interrogate.
Si identifies the I/O slot of the system you want to read
channels status. The channel status defines whether a
channel is enabled or disabled.
6 is the read channels status command.
(cr) is the terminating character, carriage return (0Dh)
Response !aamm(cr) if the command is valid.
?aa(cr) if an invalid operation was entered.
There is no response if the module detects a syntax error
or communication error or if the specified address does
not exist.
! delimiter character indicating a valid command was
received.
? delimiter character indicating the command was
invalid.
aa (range 00-FF) represents the 2-character hexadecimal
address of an ADAM-5000 system.
mm are two hexadecimal values. Each value is interpret-
ed as 4 bits. The first 4-bit value represents the status of
channels 4-7, the second 4 bits represents the status of
6-44 ADAM-5000