Chapter 4 Command Set 4-55
$AA5VV
Name Enable/disable channels for multiplexing
Description Enables/disables multiplexing simultaneously for seperate
channels of a specified input module
Syntax $AA5VV(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of analog input module.
5 is the enable/disable channels command.
VV are two hexidecimal values. The values are interpreted by
the module as two binary words (4-bit). The first word repre-
sents the status of channel 4-7, the second word represents the
status of channel 0-3. Value 0 means the channel is disabled,
value 1 means the channel is enabled.
(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.
!
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 an analog input module.
(cr) is the terminating character, carriage return (0Dh).
Example command: $00581(cr)
response: !00(cr)
Hexadecimal 8 equals binary 1000, which enables channel 7 and
disables channels 4, 5, and 6.
Hexadecimal 1 equals binary 0001, which enables channel 0 and
disables channel 1,2, and 3.
4015, 4017, 4017+, 4018,
4018+, 4018M, 4019