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4 Channel Relay Input Acquisition Modem RS485 Module with Modbus Protocol
Parameters of ZHT4400
ZHT4400 is a serial port control module that provides 4 DI, 4 DO and a RS485 interface, support the standard Modbus RTU protocol, support dry wet node detection, support relay delay shut down after opening, we provide comprehensive technical supports. It can be widely used in pump control, access control monitoring, lighting control, such as valve monitor application scenario.
ZHT4400 supports modbus RTU, a question-and-answer communication
method, which is simple, versatile and easy to use. Using rs485
communication network, the on-site switch status can be feed back
to the host and the on-site switch valve can be controlled through
this module
| ZHT4400 | |
| RS485 Modbus | √ |
| 4 Channel Relay Intput | √ |
| 4 Channel Relay Output | √ |
| Standard Modbus Protocol | √ |
