Double control

1.   Introduction

The simplest dual control circuit is the downstairs / upstairs lighting control system.



2.   I/O list


Register Instruction
LS1 X0 Light switch for upstairs
LS2 X1 Light switch for downstairs
LP1 Y0 Light for upstairs
LP2 Light for downstairs


3.   Project



4.   Explanation

This project uses upstairs / downstairs lighting control as an example. Each switch links an input point, To make the lamp work, both switches must be in the same state: either OFF or ON.

































Version: V1.0.0

Date: Feb 2017