ICP DAS USA I-7083 User Manual page 29

2.5 ~AA0
: Read the module status. The module status will be
Description
latched until ~AA1 command is sent. If the host watchdog is
enable and the host is down, the module status will be set to 4. If
the module status=4, all output command will be ignored.
: ~AA0[chk](cr)
Syntax
~ is a delimiter character
AA=2-character HEX module address, from 00 to FF
[chk]=2-character checksum, if checksum disable
(cr)=0x0D
: valid command
Response
invalid command
no response
error or address error
! is a delimiter character indicating a valid command
? is a delimiter character indicating a invalid command
AA=2-character HEX module address
SS=2-character HEX status value as following:
Bit_0, Bit_1 = reserved
Bit_2 = 0
[chk]=2-character checksum, if checksum disable
(cr)=0x0D
Example
:
command: ~010(cr)
response : !0100(cr)
command: ~020(cr)
response : !0204(cr)
I-7083/7083D/7083B/7083BD User Manual (V 1.1, Dec/2007) ------------------ 29
OK,
1 host watchdog failure
Status of module 01 is OK
Module status=04
failure
!AASS[chk](cr)
?AA[chk](cr)
syntax error or communication
HOST is down now
no [chk]
no [chk]
host watchdog