6 $aa4 – B&B Electronics I-7060 - Manual User Manual
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I-7000 DIO Manual
Rev:B1.2
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 error 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 readed
(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 :
Sec2.2 #**
Related Topics :
Sec.1.9 Configuration Tables