xPC Target

PDXI-AO Digital Input

Scaling Input to Output

Hardware Input	Block Output Data Type	Scaling
TTL	double	TTL low = 0.0 TTL high = 1.0

Driver Block Parameters

Board type -- Select the specific board type from the list provided.

Channel vector -- Enter a vector of numbers to specify the input channels. For example, to use the first and third digital input channels, enter

• [1 3]
  

The channel numbers can occur in any order. Number the channels beginning with 1 even if the board manufacturer numbers them beginning with 0. The maximum allowable channel number is 16 for all boards except for the PD2-AO and PDXI-AO series. For those boards, the maximum channel number is 8.

Sample time -- Enter the base sample time or a multiple of the base sample time.

PCI Slot (-1:autosearch) -- Enter a number between -1 and n. If only one board of this type is physically present in the target PC, enter

• -1 
  

If two or more boards of this type are physically present in the target PC, enter the bus number and the PCI slot number of the board associated with this driver block. Use the format [BusNumber, SlotNumber]. To determine the bus number and the PCI slot number, type

• getxpcpci
  

PDXI-AO Analog Output (D/A)

PDXI-AO Digital Output