8 $aa4 – Measurement Computing CB-COM-7012 User Manual
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CB-7012, CB-7014, CB-7017 User’s Manual
2.8 $AA4
Description: Read Synchronized Data
Syntax: $AA4[CHK](cr)
$
Delimiter character
AA
Address of module (00 to FF)
4
Command for reading synchronized data
Response:
Valid Command:
>AAS(Data)[CHK](cr)
Invalid Command:
?AA[CHK](cr)
Syntax or communication error may get no response.
!
Delimiter for valid command
?
Delimiter for invalid command
AA
Address of responding module (00 to FF)
S
Status of synchronized data, 1 = first read, 0 = been read
(Data)
Synchronized data, format reference Sec. 1.10
Example:
Command: $014
Receive: ?01
Read Address 01 synchronized data, return no valid data.
Command: #**
Receive: no response
Preform synchronized sampling
Command: $014
Receive: >011+02.556
Read Address 01 synchronized data, return status 1 and data.
Command: $014
Receive: >010+02.556
Read Address 01 synchronized data, return status 0 and data.
Related Command:
Sec. 2.2, #**
Note: This command is for CB-7012/12D/12F/12FD/14D only.