# MuxString4BinFun

## `MuxString4BinFun` (FUN)

FUNCTION MuxString4BinFun : STRING

### Short description

> Multiplexer for strings with binary selection (4 binary inputs)\
> Typical application: selection of message texts

### Function description

This function returns the string selected by the binary inputs *xEn1* (FALSE = not active, TRUE = active) up to *xEn4* (FALSE = not active, TRUE = active) selected string (*sValue1* to *sValue4*) in STRING format is returned. The input *xEn1* always has the highest priority, the input *xEn2* the second highest, and so on. If no input is active, an empty string ('') is returned.

### CODESYS

InOut:

| Scope  | Name               | Type     |
| ------ | ------------------ | -------- |
| Return | `MuxString4BinFun` | `STRING` |
| Input  | `xEn1`             | `BOOL`   |
| Input  | `xEn2`             | `BOOL`   |
| Input  | `xEn3`             | `BOOL`   |
| Input  | `xEn4`             | `BOOL`   |
| Input  | `sValue1`          | `STRING` |
| Input  | `sValue2`          | `STRING` |
| Input  | `sValue3`          | `STRING` |
| Input  | `sValue4`          | `STRING` |


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