Modbus RTU Remote IO Module Data Transceiver Interface Extension Module

Parameters of Remote IO Module ZHT8000

• Introduction​ of Remote IO Module ZHT8000

ZHT8000 is a serial port control module that provides 8 DI and 1 RS485 interfaces, supports standard Modbus RTU protocol, supports dry and wet node detection, which can be widely used in various types of switch data acquisition Application scenario. It's simple and convenient for clients to use, also we provide comprehensive technical support.

RS485 communication wiring
ZHT8000 contains 1 485 interface, multiple devices can be cascaded through 485 bus. Each module can set the address, the address ranges from 1-30. The maximum communication distance of the 485 bus is 1200 meters, and the communication distance can be increased through the 485 relay according to the actual application environment.

Function of Remote IO Module ZHT8000

ZHT8000 has 8-channel switch alarm input, which can be connected with infrared alarm switch, proximity switch, access control switch and other equipment.ZHT8000 is divided into dry contact input circuit and wet contact input circuit.