Measurement Computing CB-7000 DIO - Manual (Page 35)

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CB-7000 DIO Manual
2.6 $AA4
Description: Read Synchronized Data
Command: $AA4[CHK](cr)
$ Delimiter character
AA Address of reading module (00 to FF)
4 Command for read synchronized data
Response: Valid Command: !S(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 response module(00 to FF)
S Status of synchronized data, 1 = first read, 0 = been read
(Data) synchronized DIO value (Ref. Sec. 1.9)
Example:
Command: $014 Receive: ?01
Read Address 01 synchronized data, return no data available.
Command: #** Receive: no response
Send synchronized sampling to all modules.
Command: $014 Receive: !1000F00
Read Address 01 synchronized data, return S=1, first read, and
synchronized data 0F00
Related Command:
Sec. 2.2, #**
Related Topics:
Sec. 1.9, Configuration Tables