Measurement-computing CB-7080 Manual do Utilizador descarregar pdf (Página 49)

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

2-31

$AAB

Description: Read input mode. Refer to "Counter/Frequency input mode selection" on page 1-6 for more

information.

Syntax: $AAB[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 !AAB[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

S=0 channel 0 is non-isolated, channel 1 is non-isolated.

S=1 channel 0 is isolated, channel 1 is isolated.

S=2 channel 0 is non-isolated, channel 1 is isolated.

S=3 channel 0 is isolated, channel 1 is non-isolated.

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

(cr) 0x0D

Examples:

Counter/frequency channel 0 is non-isolated, channel 1 is non-isolated:

command: $01B(cr)

response: !010(cr)

Counter/frequency channel 0 is isolated, channel 1 is isolated:

command: $02B(cr)

response: !021(cr)

Counter/frequency channel 0 is non-isolated, channel 1 is isolated:

command: $03B(cr)

response: !032(cr)

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Measurement-computing CB-7080 Manual do Utilizador Página 49