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ZHC1921 is a network IO product that supports 6-way dry (wet) node detection, 4-way relay (COM, NO) output, 4-way analog (current 4~20mA) detection, and 1-way serial port transparent transmission, compatible with Modbus RTU/TCP protocol. With "remote control" as the core of the function, it is highly easy to use, and users can easily and quickly integrate into their own systems to achieve remote based on Ethernet and RS485 with Local control.
Wiring Method
Connect the computer network port and the device's network port with an Ethernet network cable. After the device is powered on, observe that the WORK indicator should flash for 3 seconds, indicating that the network hardware environment of the device is normal and the Ethernet data interaction can be carried out.
The default IP address of ZHC1921 is 192.168.1.254. When configuring the device, you need to set the IP of the computer and ZHC1921 to the same IP address range, otherwise the device and the computer cannot communicate. After setting the parameters of the ZHC1921, connect the network port of the network device (router/switch/other) with the network port of the ZHC1921 with an Ethernet cable. After the device is powered on, observe that the WORK indicator should flash for 3 seconds, indicating the network hardware where the device is located The environment is normal, and Ethernet data exchange is possible.
Function of ZHC1921
The default IP address of ZHC1921 is 192.168.0.65. The configuration requires that the computer and ZHC1921 IP be set to the same IP address segment, otherwise the device and the computer cannot communicate.
ZHC1921 has built-in parameter configuration webpage. Users who use this device do not need to pay attention to the relevant holding registers of the device. They only need to understand the reported data of the device.
Set up ZHC1921 then use the Ethernet cable to connect the network port of the network device (router/switch/other) with ZHC1921. After the device is powered on, observe that the WORK indicator should flash for 3s, indicating that the network hardware environment where the device is located is normal and Ethernet data can be exchanged.
Products Description
Product Paramenters
| POWER | NETWORK | ||
| POWER SUPPLY | 9~36V | NETWORK TYPE | ETHERNET |
| Working Current | 200mA(aver)/340mA(max)@9V | NUMBER | LAN*1 |
| 50mA(aver)/85mA(max)@36V | PORT TYPE | Ethernet signal, RJ45 | |
| SERIAL PORT | DO | ||
| Serial Port | RS485*1 | Standard | (NO、COM)*4 |
| Standard | RS485: 2 Two terminals(A、B) | AC | 250V 10A |
| Baud rate | 600~921600bps | DC | 30V 10A |
| Data bits | 8, 9 | DI | |
| Stop bits | 0.5, 1, 1.5, 2 | Standard | DI*6 COM*1 |
| Parity bits | NONE、EVEN、ODD | Detect Range | 5~50v High 0~2v Low |
| PI | AI | ||
| Number | 1 | Number | 4 |
| Standard | PI*2 COM*1 | Standard | AI*4 COM*2 |
| Detect Range | 10000Hz | Detect Range | 4~20mA |
Basic Function
1. Stable Ethernet Interface 5. 16 Channel Modbus RTU
2. Modbus TCP and MQTT 6. FREE ZH-Cloud Platform
3. Local Logic Operation 7. Threshold Report
4. RS485 Active Reporting 8. Obtain IP Automatically
ZHC1921 IOTRouter rs232 Wireless to GPRS Modem 4G LTE Ethernet Data Acquisition Converter
1. TCP Server/Client Mode
TCP Client provides client connection for TCP network server. Actively initiate a connection request to the server and establish a connection, used to realize the interaction of serial data and server data.
Commonly used to communicate with TCP clients in the LAN. It is suitable for scenarios where there is no server in the LAN and multiple computers request data from the server.
2. Socket Function
Socket1-4 runs simultaneously and connects to different networks for data transmission.
3. Set the follow Logic of Ports Between Devices
Break traditional connection limits, Suitable for different usage scenarios.
4. Pulse Counting System
Without manual setting, pulse collection can be set as counting function to meet various field requirements.
ZHC1921 IOTRouter rs232 Wireless to GPRS Modem 4G LTE Ethernet Data Acquisition Converter
1.Unmanned weighing data acquisition solution
Connect ZHC1921 to the barrier, and the control center will remotely control the barrier via Ethernet.
2. Industrial Automation
Suitable for industrial automation production lines and can monitor industry chain data in real time. Count the number of products by pulse counting.
3. Traffic Lights Management System
Unified management of street lamps to achieve remote monitoring and intelligent management of lighting.
Reduce manpower management costs and improve maintenance efficiency.
