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2.13 $AALS
Description:
Read Latched Digital Input
Syntax:
$AALS[CHK](cr)
$ delimiter
character
AA address
of
reading/response 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)
Invalid Command:
?AA
(Data) readed status 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 0000.
