Coolmay PLC Modbus Communication Protocol Manual

2021-12-17
■Introduction
●Modbus Communication protocol has been widely used in various flelds'as standard industrial communication protocol. Coolmay PLC RS485 communication interface supports this kind communication protocol so that PLC can communicate with device with MODBUS communication protocol conveniently, such as converter, temperature module, humidity module, configuration network, and various sensors etc.
●The Modbus communication protocol is divided into two series communication modes. ASCII and RTU. When configuring each PLC. User choose communication mode and RS485 serial port communication parameters (Baud rate, parity check etc), all devices on the Modbus bus should have same communication mode and series communication parameters. Using Modbus communication.the relevant special components or each PLC must be set in the ladder diagram.
●Coolmay PLC is with default programming port(RS232/RS422), besides, two communication port (RS232/PS485)is optional installed to meet users' external connection to three types equipment.

Coolmay

PLC

More

More

User's Guide

More

More

Please see the document for details

More

More

English Chinese Chinese and English Japanese

2018/6/12

V7.31

148 KB

- The full preview is over. If you want to read the whole 7 page document,please Sign in/Register -
  • +1 Like
  • Add to Favorites

Recommend

All reproduced articles on this site are for the purpose of conveying more information and clearly indicate the source. If media or individuals who do not want to be reproduced can contact us, which will be deleted.

Contact Us

Email: