User Manual
Chapter 5
5-63
ADAM 4000 Series User’s Manual
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$AA7
Name Excitation Voltage Output command
Description Send a value to the analog output channel of the addressed
strain gauge input module. Upon receipt, the anal og output
channel will output this value.
Syntax $AA7(data)(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character he xadecimal
address of the strain gauge input module.
7 is the Excitation Voltage Output command.
(data) is t he value that has to be output through the analog
output channel. The data format is engineering unit and the
range is between 0 ~ 10 V.
(cr) is the terminating character, carriage return (0Dh)
Response !AA(cr) if the command is valid.
?AA(cr) if a value was sent that is out of range.
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 strain gauge input module.
(cr) is the terminating character, carriage return (0Dh)
Example co mmand: $337+05.000(cr)
response: !3 3(cr)
The c ommand sen ds t he va lue +05.000V to th e an alog
output channel of t he strain gauge input module at address
33h. T he m odule responds t hat t he c ommand i s val id. I ts
output dat a format i s i n e ngineering u nit, t he value i s
+05.000V.