21 @aadi – Measurement Computing CB-7011 User Manual
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CB-7011/CB-7011D, CD-7018 User’s Manual
2.21 @AADI
Description: Read Digital I/O and Alarm Status
Note: The command is for CB-7011/11D/11P/11PD only.
Syntax: @AADI[CHK](cr)
@
delimiter character
AA
address of reading module (00 to FF)
DI
command for reading digital I/O and alarm status
Response:Valid Command:
!AASOOII[CHK](cr)
Invalid Command:
?AA[CHK](cr)
Syntax error or communication error may get no re-
sponse.
!
delimiter for valid command
?
delimiter for invalid command
AA
address of response module(00 to FF)
S
alarm enable status, 0=alarm disable, 1=momentary alarm
enabled, 2=latch alarm enabled.
OO
digital output status, 00=DO0 off, DO1 off, 01=DO0
on, DO1 off, 02=DO0 off, DO1 on, 03=OD0 on, DO1 on.
II
digital input status, 00=input low level, 01=input high
level.
Example:
Command: @01DI
Receive: !0100001
Read address 01 digital I/O status, return alarm disable,
digital outputs all off, and digital input high level.
Command: @02DI
Receive: !0210100
Read address 02 digital I/O status, return momentary alarm