# CIO-DI Series and PC104-DI48

The CIO-DI Series includes the following hardware:

- CIO-DI48
- CIO-DI96
- CIO-DI192

This topic also includes the PC104-DI48.

The CIO-DI Series and PC104-DI48 support the following UL and UL for .NET features.

## Digital I/O

Functions

UL: cbDIn(), cbDBitIn()

UL for .NET: DIn(), DBitIn()

PortNum

FIRSTPORTA, FIRSTPORTB, FIRSTPORTCL, FIRSTPORTCH

For DI48, DI96 and DI192, the following argument values are also valid:

SECONDPORTA, SECONDPORTB, SECONDPORTCL, SECONDPORTCH

For DI96 and DI192, the following argument values are also valid:

THIRDPORTA, THIRDPORTB, THIRDPORTCL, THIRDPORTCH

FOURTHPORTA, FOURTHPORTB, FOURTHPORTCL, FOURTHPORTCH

For DI192, the following argument values are also valid:

FIFTHPORTA through EIGHTHPORTCH

DataValue

0 to 255 for PORTA or PORTB,

0 to 15 for PORTCL or PORTCH

BitNum

0 to 23 for FIRSTPORTA

For DI48, DI96 and DI192, the following argument value is also valid:

24 to 47 using FIRSTPORTA

For DI96 and DI192, the following argument values are also valid:

48 to 95 using FIRSTPORTA

For DI192, the following argument value is also valid:

96 to 191