Advantech ADAM-6000 series, User Manual

Page: 131 / 156

Name Enable/Disable Channels for multiplexing
Description Enables/Disables multiplexing for separate channels of the specified input
module
Syntax $aa5mm(cr)
$ is a delimiter character.
aa (range 00-FF) represents the 2-character hexadecimal Modbus address
of the ADAM-6000 module. (Always 01)
5 identifies the enable/disable channels command.
mm (range 00-FF) are two hexadecimal characters. Each character is
interpreted as 4 bits. The first 4-bit value represents the status of channels
4-7; the second 4-bit value represents the status of channels 0-3. A value of
0 means the channel is disabled, while a value of 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 indicating a valid command was received.
? delimiter character indicating the command was invalid.
aa (range 00-FF) represents the 2-character hexadecimal Modbus address of
an ADAM-6000 module.
(cr) is the terminating character, carriage return (0Dh)
Example command: $01581(cr)
response: !01(cr)
The command enables/disables channels of the analog input module at
address 01h. 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 channels 1, 2 and 3.
#aaMH