Advantech Adam - 4068

213 ADAM-4000 Series User Manual
Chapter 7 I/O, Relay & Counter
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Frequency
4052, 4055, 4056S,
4056SO, 4068, 4069
7.1.16 $AAXnnnn
Name Watchdog Timer Setting command
Description This command set the communication watchdog timer
(WDT) cycle time.
Syntax $AAXnnnn(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of the analog input module which is to be read.
X is Watchdog Timer Setting command.
nnnn (range 0000~9999) represents the specified 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 error or if the specified address does not exist.
! delimiter character indicates a valid command was received.
? delimiter character indicates the command was invalid.
AA (range 00-FF) represents the 2-character hexadecimal
address of the analog input module.
(cr) represents terminating character, carriage return (0Dh).
Example command: $02X1234(cr)
response: !02(cr)
The command set the WDT cycle as 1234 in the input
module at address 02.
Caution! If the value of “nnnn” is 0000, the communication WDT function will be
disable