NISWITCH_ATTR_NUM_OF_COLUMNS
Specific Attribute
| Data type |
Access | Applies to | Coercion | High Level Functions |
|---|---|---|---|---|
| ViInt32 | RO | N/A | None | None |
Description
This attribute returns the number of channels on the column of a matrix or scanner. If the switch is a scanner, this value is the number of input channels.
The NISWITCH_ATTR_WIRE_MODE attribute affects the number of available columns. For example, if your device has 8 input lines and you use the four-wire mode, then the number of columns you have available is 2.