Measurement Computing CB-7080 - Manual (Page 31)

CB-7080 & CB-7080D Counter/Timer User's Guide $AA1H
2-13
$AA1H
Description : Reads the high trigger level of non-isolated input. Refer to " Programmable threshold voltage
setting " on page 1-8 for more information.
Syntax : $AA1H[chk](cr)
$ A delimiter character
AA 2-character HEX module address, from 00 to FF
[chk 2-character checksum. If checksum is disabled, no [chk].
(cr) 0x0D
Response :
Valid response !AA(data)[chk](cr)
Invalid response ?AA[chk](cr)
no response Syntax error, communication error or address error
! A delimiter character indicating a valid response
? A delimiter character indicating an invalid response
AA 2-character HEX module address
(data) 2-character decimal value for high trigger level. The unit is 0.1 volt and the range
can be from 0.0 to 5.0 volts.
[chk] 2-character checksum. If checksum is disabled, no [chk].
(cr) 0x0D
Examples :
High trigger level=2.4 volts:
command:$011H(cr)
response: !0124(cr)
High trigger level=3.0 volts:
command: $021H(cr)
response:!0230(cr)