MC PCIe-DIO96H Guía de usuario descargar pdf (Pagina 88)

Universal Library User's Guide Analog Input Boards - USB-1208 Series

Pacing Hardware pacing, internal clock supported.

External clock supported via the SYNC pin.

Triggering

Trigger functions and methods supported

UL: cbSetTrigger()

UL for .NET: SetTrigger()

Trigger argument values

TrigType USB-1208LS

TRIGHIGH and TRIGLOW

USB-1208FS

TRIGPOSEDGE and TRIGNEGEDGE

Both products support external digital (TTL) hardware triggering. Use the Trig_In

input for the external trigger signal.

Analog output

Analog output functions and methods supported

UL: cbAOut(), cbAOutScan()

UL for .NET: AOut(), AOutScan()

Analog output argument values

Options USB-1208LS

Ignored

USB-1208FS

BACKGROUND, CONTINUOUS

For the USB-1208FS, the number of samples (Count) in a CONTINUOUS scan needs

to be an integer multiple of the packet size (32).

HighChan 0 to 1

Count USB-1208LS

(HighChan – LowChan) + 1

USB-1208FS

Count must be an integer multiple of the number of channels in the scan. In a

CONTINUOUS scan, Count must be an integer multiple of the packet size (32).

Rate USB-1208LS

Ignored

USB-1208FS

Up to 10 kHz maximum for a single channel

Up to 5 kHz maximum for two channels

Performance varies when operating on systems other than Windows XP or

Windows Vista.

Range USB-1208LS

Ignored - Not programmable; fixed at UNI5VOLTS (0 to 5 V)

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 204 205

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MC PCIe-DIO96H Guía de usuario Pagina 88