Application of Jinxi HMI in central air conditioning

1、 Introduction

Central air conditioning generally adopts LCD screen, which sets parameters by pressing buttons. This kind of man-machine interface is not friendly. Although touch screen is friendly, its cost performance is not high. In view of this situation, Jinxi launched a 3.5-inch touch screen to solve this problem.

2、 Scheme design

The 3.5-inch screen of Jinxi and the circuit board designed by the manufacturer are used for communication with Modbus protocol.

3、 Interface design

Setting interface

Parameter query

Parameter setting

4、 Concluding remarks

Through the operation of the touch screen, the whole device is more intelligent and humanized.