Measurement-computing CB-7080 Manuel d'utilisateur télécharger pdf (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)

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Measurement-computing CB-7080 Manuel d'utilisateur Page 31