The hardware of the haiwell PLC communication port doesn’t have photoelectric isolation, normally it doesn’t need. In the case of big interference, it is better to add communication isolator which can improve the quality of communication. The Haiwell communication extension module of S01RS, H01RS and H02RS all have the communication isolator.
APP
© 2005 Xiamen Haiwell Technology Co., Ltd. All Rights Reserved.
Headquarters: 13-14/F, C03 Building, Phase III Software Park, JiMei District, Xiamen, Fujian China; Manufacturing Center: No. 336-2 Anbian South Road, Torch High tech Zone (Xiang'an) Industrial Zone, Xiang'an District, Xiamen,Fujian China.