Advantech 5000 Series user manual Format is always in engineering units. Be aware that

Chapter 6

$aaSiCjRhU

Name Read Alarm Limit

Description Return the High/Low alarm limit value for the specified

	input channel in the addressed ADAM-5000 system
Syntax	$aaSiCjRhU(cr)
	$ is a delimiter character.
	aa (range 00-FF) represents the 2-character hexadecimal
	address of an ADAM-5000 system.
	SiCj identifies the desired slot i and the desired channel
	j.
	RhU is the Read Alarm Limit command.
	h indicates alarm type and can have the value H = High
	alarm, L = Low alarm
	(cr) represents terminating character, carriage return
	(0Dh)
Response	!aa(data)(cr) if the command was valid
	There is no response if the system detects a syntax error
	or communication error or if the specified address does
	not exist.
	! delimiter character indicating a valid command was
	received.
	aa represents the 2-character hexadecimal address of the
	corresponding ADAM-5000 system.
	(data) represents the desired alarm limit setting. The
	format is always in engineering units. Be aware that
	(data) has 10 characters.
	(cr) represents terminating character, carriage return
	(0Dh)

ADAM-5000 6-159