Measurement Computing CB-COM-7021 - Manual (Page 65)

65
CB-7021, CB-7022, CB-7024 User’s Manual
2.31 ~AA4N
Description:
Read Safe Value of Channel N
Note
: The command is for CB-7022 and CB-7024 only.
Command:
~AA4N[CHK](cr)
~ Delimiter character
AA Address of reading module (00 to FF)
4 Command for reading Safe Value
N Channel to read (0 to 1 for CB-7022, 0 to 3 for CB-
7024)
Response:
Valid Command:
!AA(Data)[CHK](cr)
Invalid Command:
?AA[CHK](cr)
Syntax error or communication error may not get a
response.
! Delimiter for valid command
? Delimiter for invalid command
AA Address of response module (00 to FF)
(Data) Safe Value of module. Refer Sec. 1.10 for data format.
Example for CB-7024:
Command: ~0140
Receive: !01+00.000
Read address 01 channel 0 Safe Value, returns +0.0.
Related Command
:
Sec. 2.25,
~**; Sec. 2.26, ~AA0; Sec. 2.27, ~AA1; Sec. 2.28, ~AA2;
Sec. 2.29,
~AA3EVV; Sec. 2.33, ~AA5N
Related Topic
:
Sec. 3.2,
Module Status; Sec. 3.3, Dual Watchdog Operation