Aa7N - Measurement Computing CB-7080 User Manual

CB-7080 & CB-7080D Counter/Timer User's Guide

$AA7N

Description : Read the overflow flag of counter. You can use the $AA6S command to reset the counter and
clear the overflow flag.
Syntax : $AA7N[chk](cr)
$
AA
N=0
N=1
[chk]
(cr)
:
Response
Valid response
Invalid response
no response
!
?
AA
S=0
S=1
[chk]
(cr)
:
Examples
Counter 0 has overflowed. Clear the overflow flag:
command:
response:
command:
response:
Counter 1 is OK:
command:
response:
A delimiter character
2-character HEX module address, from 00 to FF
Counter 0
Counter 1
2-character checksum. If checksum is disabled, no [chk]
0x0D
!AAS[chk](cr)
?AA[chk](cr)
Syntax error, communication error or address error
A delimiter character indicating a valid response
A delimiter character indicating an invalid response
2-character HEX module address
no overflow
overflowed
2-character checksum. If checksum is disabled, no [chk]
0x0D
$0170(cr)
!011(cr)
$0160(cr)
!01(cr)
$0171(cr)
!010(cr)
2-25
$AA7N