Measurement Computing CB-7080 - Manual (Page 32)

CB-7080 & CB-7080D Counter/Timer User's Guide $AA1H(data)
2-14
$AA1H(data)
Description : Sets the high trigger level of non-isolated inputs. Refer to " Programmable threshold voltage
setting " for more information.
Syntax : $AA1H(data)[chk](cr)
$ A delimiter character
AA 2-character HEX module address, from 00 to FF
(data) 2-character decimal value for high trigger level. The unit is 0.1 volt, and the range
can be from 0.0 to 5.0V.
[chk] 2-character checksum. If checksum is disabled, no [chk].
(cr) 0x0D
Response :
Valid response !AA[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
[chk] 2-character checksum,
if checksum is disabled no [chk]
(cr) 0x0D
Examples :
High trigger level=2.4 volts
command: $011H24(cr)
response: !01(cr)
High trigger level=3.0 volts
command: $021H30(cr)
response: !02(cr)
Note:
The default value for the high trigger level is 2.4V