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Brand Name : IOTROUTER
Model Number : ZHT4400
Certification : CE FCC RoHs
Place of Origin : Sichuan, CHINA
MOQ : 1PCS
Price : USD22/PCS
Payment Terms : L/C, T/T, Western Union
Supply Ability : 50000PCS/MONTH
Delivery Time : 1 WEEK
Packaging Details : 270*180*55mm CARTON PACKAGE
Material : PLASTIC
Interface : RS485/4DI/4DO
Protocol : MODBUS RTU
Function : Transparent Transmission
Application : IOT Monitoring
Working Voltage : 12V
Module Type : RS485
Customized : Support
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 | √ | 
|   | 
| RS485 Modbus Relay Output Module 4 Channel Acquisition Modem Images | 
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                                                            RS485 Modbus RTU 4 20mA 8 Channel DAQ Module Analog Acquisition
                                                    
                        
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                                                            Modbus RTU Remote IO Module 8 Channel RS485 Switching Value Acquisition Modem