Chapter 6
$aaSi
Name All RTD Data In
Description Returns the input values of all channels of a specified RTD input module in a specified system in engineering units only.
Syntax $aaSi(cr)
$ is a delimiter character.
aa(range
Si is the I/O slot of the
(cr) is the terminating character, carriage return (0Dh). Response. >(data)(data)(data)(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
(data) is the input value in engineering units of the interrogated module of the specified system. The (data) from all channels is shown in sequence from 0 to 2. If (data)=“ ”, it means the channel is invalid.
(cr) is the terminating character, carriage return (0Dh).
