User manual

Chapter 6
Planning Your Application Program
$aaSiCjRhU
Name Read Alarm Limit
Description Returns the High/Low alarm limit value for the speci-
fied input channel in the addressed ADAM-5000/
TCP system
Syntax $aaSiCjRhU(cr)
$ is a delimiter character.
aa (range 00-FF) represents the 2-character hexadeci-
mal Modbus network address of an ADAM-5000/
TCP system.
SiCj identifies the desired slot i (i : 0 to 7) and the
desired analog input channel j (j : 0 to 7). 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 ad- dress
does not exist.
! delimiter character indicating a valid command was
received.
aa represents the 2-character hexadecimal Modbus
network address of the corresponding ADAM-5000/
TCP system.
(data) represents the desired alarm limit setting. The
format is always in engineering units.
(cr) represents terminating character, carriage return
(0Dh)
6-104 ADAM-5000/TCP User’s Manual