Measurement-computing DAQFlex User Guide Instrukcja Użytkownika Pobierz pdf (Strona 86)

DAQFlex Software User's Guide DAQFlex Message Reference – Reflection messages – CTR

CTR

Gets the counter channel properties of a device.

Properties

CHANNELS, EDGE, LDMAX, LDMIN, MAXCOUNT, TYPE

CHANNELS

 Get the number of counter channels on a device.

Message

"@CTR:CHANNELS"

Respons

"CTR:CHANNELS=<implementation>value"

implementation

FIXED%, or not specified if value is NOT_SUPPORTED

Value

The number of counter channels on a device, or returns

NOT_SUPPORTED if the device has no counters.

Example

"CTR:CHANNELS=FIXED%3"

EDGE

 Get a value indicating whether a counter's edge detection is programmable.

Message

"@CTR{ch}:EDGE"

Response

"CTR{ch}:EDGE=<implementation><value>"

The counter number.

implementation

FIXED%, PROG% (programmable), HWSEL% (hardware

selectable) , or not specified if value is NOT_SUPPORTED.

value

RISING, FALLING, or returns NOT_SUPPORTED if the device has

no counters.

Example

"CTR{0}:EDGE=PROG%RISING,FALLING"

LDMAX

 Get the maximum count value that can be set using the "CTR{ch}:VALUE=" message.

Message

"@CTR{ch}:LDMAX"

Response

"CTR{ch}:LDMAX=<implementation>value"

The number of the counter channel.

implementation

FIXED%, or not specified if value is NOT_SUPPORTED

value

The maximum count that can be used for the VALUE property, or

NOT_SUPPORTED.

Example

"CTR{0}:LDMAX=FIXED%65535"

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 124 125

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