User Manual

5-30
ADAM 4000 Series User’s Manual
4015, 4015T, 4017+, 4018+, 4019+
$AAXnnnn
Name Watchdog Timer Setting command
Description This co mmand set th e communication watchdog ti mer
(WDT) cycle time.
Syntax $AAXnnnn(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character he xadecimal
address of the analog input module which is to be read.
X is the Watchdog Timer Setting command.
nnnn (r ange 0000~9999) represents th e sp ecified value of
communication cycle you want to set. (Unit: 0.1 second)
(cr) is the terminating character, carriage return (0Dh).
Response !AA(cr) if the command was valid.
?AA(cr) if an invalid operation was entered.
There is no response if the module detects a syntax error or
communication e rror or if the s pecified a ddress does not
exist.
! delimiter character i ndicates a valid command wa s
received.
? delimiter character indicates the command was invalid.
AA (range 00-FF) represents the 2-character he xadecimal
address of the analog input module.
(cr) represents terminating character, carriage return (0Dh).
Example command: $02X1234(cr)
response: !02(cr)
The c ommand set the WDT cycl e as 1234 in the i nput
module at address 02.
NOTICE: If the value of “nnnn” is 0000, the communication WDT
function will be disable.