# CIO-RELAY Series

The CIO-RELAY Series includes the following hardware:

- CIO-RELAY08
- CIO-RELAY16
- CIO-RELAY16/M
- CIO-RELAY24
- CIO-RELAY32

The CIO-RELAY Series supports the following UL and UL for .NET features.

## Digital I/O

Functions

UL: cbDOut(), cbDBitOut()

UL for .NET: DOut(), DBitOut()

PortNum

FIRSTPORTA

For CIO-RELAY16 & 16/M, the following argument value is also valid:

FIRSTPORTB

For CIO-RELAY24, the following argument value is also valid:

SECONDPORTA

For CIO-RELAY32, the following argument value is also valid:

SECONDPORTB

DataValue

0 to 255

BitNum

0 to 7 using FIRSTPORTA

For CIO-RELAY16 and CIO-RELAY16/M, the following argument values are also valid:

0 to 15 using FIRSTPORTA

For CIO-RELAY24, the following argument values are also valid:

0 to 23 using FIRSTPORTA

For CIO-RELAY32, the following argument values are also valid:

0 to 31 using FIRSTPORTA