I-7088 and M-7088 User Manual, Rev: A1.2 7MH-026-A12
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2.14. $AA7N
Description:
This command is used to read the status of the overflow flag for a
specific channel.
Syntax:
$AA7N[CHKSUM](CR)
$
Delimiter character
AA
The address of the module to be read (00 to FF
)
7
The command to read the status of the overflow flag
N
Specifies the channel to be read, zero based
Response:
Valid Command:
!AAS[CHKSUM](CR)
InValid Command:
?AA[CHKSUM](CR)
!
Delimiter character for a valid command
?
Delimiter character for an invalid command
(An invalid command is returned if the specified
channel is incorrect.)
AA
The address of the responding module (00 to FF)
S
The overflow flag of channel N
0: The counter has not exceeded the maximum counter
value and the overflow flag has been cleared.
1: The counter has exceeded the maximum counter
value and the overflow flag has been set.