Measurement-computing CB-7080 Manual de usuario descargar pdf (Pagina 33)

CB-7080 & CB-7080D Counter/Timer User's Guide $AA1L

2-15

$AA1L

Description: Read the Low trigger level of non-isolated input. Refer to "Programmable threshold voltage

setting" for more information.

Syntax: $AA1L[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 low trigger level. The unit is 0.1V, and the range can

be from 0.0 to 5.0V.

[chk] 2-character checksum. If checksum is disabled, no [chk].

(cr) 0x0D

Examples:

Low trigger level=0.8 volts:

command: $011L(cr)

response: !0108(cr)

Low trigger level=1.0 volts:

command: $021L(cr)

response: !0210(cr)

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Measurement-computing CB-7080 Manual de usuario Pagina 33