Chapter 4 Command Set 4-87
Chapter 4
4014D
$AA8V
Name Select LED Data Origin
Description Select whether LED will display data from the input module
directly or from the host PC
Syntax $AA8V(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of analog input module that you want to interrogate.
8 is the select LED driver command.
V is either 1 or 2 to select which is going to send data to the
LED. 1 means the driver is the addressed module, and 2 means
the host PC will send data..
(cr) is the terminating character, carriage return (0Dh)
Response !AA(cr) if the command is 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.
? is a delimiter character indicating the command was invalid.
AA (range 00-FF) represents the 2-character hexadecimal
address of an analog input module.
(cr) is the terminating character, carriage return (0Dh).
Example command: $0181(cr)
response: !01(cr)
The command sets the analog input modules at address 01 to
display data sent by the host PC. After this command, the PC
can use command $AA9(data) to send the data to the addressed
module.
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