Introduction

iWSN-200R is an iWSN wireless data concentrator, it supports one 433MHz wireless communication interface and one RS-485 communication interface. The module supports Modbus RTU protocol slave, the main function can receive and buffer wireless data from up to 31 iWSN sensors. The user can send Modbus RTU command to read the sensor’s data by RS-485 interface. For wireless communication, the module supports up to 16 wireless channels and 8 groups ID which can be set by rotary switch and DIP switch which is convenient for users to divide and manage the wireless network of 433MHz frequency. It can also automatically control relay output to react to emergency distress packages sent by iSOS series, so that the adjustment and maintenance of the modules can be easier.