B&B Electronics I-7060 - Manual - Manual (Page 42)

42
I-7000 DIO Manual Rev:B1.2
2.13 $AALS
Description : Read Latched Digital Input
Command : $AALS[CHK](cr)
$
delimiter character
AA address of reading module (00 to FF)
L command for read latched digital input
S 1 = select latch high status, 0 = select latch low status
Response : Valid Command : !(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)
(Data) readed status (Ref Sec.1.9).1= the input channel is latched,
0=the input channel is not latched.
Example :
Command : $01L1
Receive : !012300
Read address 01 latch-high data, return 0123.
Command : $01C Receive : !01
Clear address 01 latched data, return success.
Command : $01L1 Receive : !000000
Read address 01 latch-high data, return 0.
Related Command :
Sec2.11 $AAC
Note :
The command is useless for I-7042/42D/43/43D/66/66D/67/67D.