With the rapid advancement of industrial informatization, remote data collection and equipment monitoring through the network have become the most economical and reliable way. Ethernet network IO relays are widely used in industrial automation, intelligent building monitoring, power systems, unattended parking lots, etc. It has been widely used in the field of industrial control.
ZHC1921 is the latest industrial-grade Ethernet network IO relay developed and produced by Chengdu Zongheng Intelligent Control. It provides I/O data conversion function, allowing the host to remotely control the relay through Ethernet and control the operation of the corresponding equipment through the relay. ZHC1921 also provides an RS485 interface and built-in Modbus TCP communication protocol, which can be compatible with all configuration software on the market that supports Modbus TCP communication protocol. All ports of the module support overvoltage and overcurrent protection, and the power supply supports 9-36VDC wide voltage input and anti-reverse connection protection, ensuring that the module is suitable for industrial field environments.
ZHC1921 supports 4 independent Sockets, local logic processing operations, automatic collection and active reporting, DO remote follow AI/DI, configuration cloud real-time monitoring PLC, automatic IP address acquisition, DNS domain name resolution and other special functions, supports one-to-one/one-to-one Many/many-to-many networking, built-in web page to configure device parameters, allowing users to connect and debug equipment on-site or remotely.
Para más información Ethernet network relay, please visit our official website product center, or directly call our service hotline 028-83268936 for consultation.
Spanish 
English 
Russian 
German 
Italian 
Portuguese 
French 
Dutch