National Instruments Welding System 321645c-01 Manual De Usuario

Chapter 2

Function Reference — DIG_SCAN_Setup

NI-DAQ FRM for PC Compatibles

2-188

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 National Instruments Corporation

Configures the specified group for port assignment, direction (input or output), and size.

group is the group to be configured.

Range:

1 or 2 for most devices.
1 through 8 for the DIO-96.

groupSize selects the number of 8-bit ports in the group.

Range:

0 through 2 for most devices.
0 through 8 for the DIO-96.

portList is the list of ports in group. The order of the ports in the list determines how NI-DAQ 
interleaves data in your buffer when you call 

DIG_Block_In

 or 

DIG_Block_Out

. The last 

port in the list determines the port whose handshaking signal lines NI-DAQ uses to 
communicate with the external device and to generate hardware interrupt.

Range:

0 or 1 for most devices.
2 or 3 for the AT-MIO-16D and AT-MIO-16DE-10.
0, 1, 3, 4, 6, 7, 9, or 10 for the DIO-96.

i16

assigned by configuration utility

i16

group to be configured

i16

number of 8-bit ports

[i16]

list of ports

i16

direction, input, or output