Product Details
4G Wireless DTU IOT Cellular Modem With Modbus RTU/TCP Adaptive
Function
Parameters of IOT Cellular Modem
| |
Number of ports | RS485*1 | Number of interfaces | 4 Relay output |
Standard | RS485: A, B | Standard | DO*1, COM*2 |
Baud rate | 600~921600bps | Mechanical durability | 10^7 |
Data bit | 8, 9 | Electrical durability | 10^5 |
Stop bit | 0.5, 1, 1.5, 2 | Capacity | 5A 250VAC 30VDC |
Check Bit | NONE EVEN ODD | |
| Number of interfaces | 4 Relay input |
Voltage | 9~36V | Standard | DI*4, COM*2 |
Current | 60mA(aver) @9V 30mA(aver) @36V | Detection range (wet node) | 5~50V->High0~2V->Low |
| |
ESD | IEC61000-4-2, Level 4 | Number of Interfaces | 4 Analog input |
Surge | IEC61000-4-2, Level 3 | Standard | AI*4, COM*2 |
Group pulse | IEC61000-4-2, Level 3 | Scope of test | 4~20mA |
- Introduction of IOT Cellular Modem
ZHC4921 is an industrial-grade 4G RTU that provides 4 DI, 4 DO, 4
AI and 1 RS485 interface, supports local logic processing
operations, automatic acquisition and active reporting, Modbus
RTU/TCP adaptation, automatic calibration threshold reporting, dry
and wet node IO detection, and support one-to-one, many-to-one
network connection.
- Features of
- IOT Cellular Modem
- IOT Cellular Modem ZHC4921 integrates data acquisition and logic
control functions, supporting industrial-grade AD acquisition
circuit, switching value acquisition circuit and RS485
communication circuit to ensure the functional diversity of the
product. At the same time, it is equipped with other
high-efficiency, stable and reliable circuits on the periphery, so
that this product has the characteristics of stability,
anti-interference, short-circuit self-protection, and simple and
convenient operation. It is widely used in water conservancy, heat,
smart agriculture, environmental protection, new energy monitoring
and other industries.
| ZHC4921 |
RS485 Modbus | √ |
RS485 Automatic Acquisition | √ |
Virtual Serial Port | √ |
Connfiguration Software | √ |
Threshold Report | √ |
| Configuration Software Docking | √ |
Modbus RTU/TCP | √ |
Company Profile
Founded in 2015, Chengdu Zongheng Intelligence Control Technology
Co., Ltd. is a high-tech enterprise focusing on the research,
development, production and sales of Internet of Things
communication control terminal products and related overall
solutions. Takes the IOT intelligent communication terminal as the
entry point, combines edge computing and big data cloud platform,
and realizes data collection, transmission and intelligent control
and other functions in the application of the Internet of Things.
At present, the company's products have been widely used in
intelligent water conservancy, intelligent agriculture, intelligent
audio-visual and other scenes.