Advantech 5000 Series user manual RhC is the command for reading Alarm Connection

Chapter 6

$aaSiCjRhC

Name Read Alarm Connection

Description Return the High/Low alarm limit output connection of a specified input channel in the addressed ADAM-5000

	system
Syntax	$aaSiCjRhC(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.
	RhC is the command for reading Alarm Connection.
	h indicates alarm type and can have the value H = High
	alarm, L = Low alarm
	(cr) represents terminating character, carriage return (0Dh)
Response	!aaSkCn(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.
	SkCn identifies the desired slot k and the desired
	digital output point n (n : 0 to F) to which the input alarm
	is connected. If the values of k and n are ‘*’,	the
	analog input has no connection with a digital output
	point.

(cr) represents terminating character, carriage return (0Dh)

ADAM-5000 6-155