# Generic I/O 4 - 53

Input/Output 4 used for Open Protocol.

Name in SoftPLC: GENERIC_IO_4

Signal Type | Value Type | Size Min [bit] | Size Max [bit]
--- | --- | --- | ---
State | Integer | 1 | 8

## Devices

- Fieldbus: TRUE

- Indicator Box: TRUE

- Internal I/O: TRUE

- Operator Panel: TRUE

- Tool Functions: TRUE

- ST Selector: TRUE

- Stacklight: TRUE

- TLS Tag: TRUE

- I/O Expander: TRUE