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CWT5002-1 4G SMS control MODBUS RTU alarm and controller 32 registers, 4DI, 4DO, 4AI
The CWT5002-1 4G SMS Control MODBUS RTU Alarm and Controller features 32 registers, 4 digital inputs (DI), 4 digital outputs (DO), and 4 analog inputs (AI) for real-time monitoring, remote control, and industrial automation. It ensures reliable 4G communication, SMS alerts, and MODBUS RTU support for seamless integration with industrial systems.
CWT5002-1 4G SMS control MODBUS RTU alarm and controller 32 registers, 4DI, 4DO, 4AI
The CWT5002-1M RTU is a versatile remote terminal unit designed for industrial automation, real-time monitoring, and remote control. It features 4 digital inputs (DI), 4 digital outputs (DO), and an RS232 (RS485 optional) standard electrical interface, allowing seamless connectivity with PLCs, meters, sensors, and electrical switches.
This RTU provides real-time monitoring of system status and data, enabling remote communication with a proprietary central computer and mobile devices via GSM, GPRS, 3G, 4G, and Wi-Fi networks. It efficiently collects operating parameters for process management and automation, making it ideal for industrial control, base station and computer room monitoring, environmental monitoring, water conservancy projects, power industries, and agriculture.
With reliable data acquisition, remote management, and enhanced operational efficiency, the CWT5002-1M RTU is a robust solution for smart monitoring and industrial automation applications.

Port Features
Port |
Qty |
Features |
DI |
4 |
● Accept dry contact |
DO |
4 |
● Transistor output (drive voltage=power supply voltage, Drive current≤500mA |
RS485 |
1 |
● Support Modbus RTU protocol |
Communication Features
Wireless network communication
● Option network: 4G
● TCP/IP connect at most 4 servers(support Static IP address or domain)
● Events(e.g. alarm, timer) trigger upload data
● Communication protocol: Modbus TCP, HTTP post, Cwt_IO (two-way communication
● Support two-way data transparent transmission with RS485 or RS232
|
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● Preset 10 phone numbers (support distribute authority to receive sms) |
RS232/RS485 Modbus communication |
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● Support Modbus RTU protocol |
System Features
● Adopted highly integrated industrial 32-bit ARM MCU
● Reliable performance with built-in double watchdog, 24×7 operation
● With signal filtering mechanisms
● Network reconnect and re-send to ensure data is accurately transmitted
● Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
● Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. activate output, upload data
● Event-based linkage programming, e.g. alarm linkage output
● Provide configure software, and visual programming, over 100 parameters can be set
● Optional inside rechargeable battery, supply 8-20 hours when power lost
CWT5002-1M how to monitor Modbus register

Specifications
Core |
MCU |
Cortex M3 32-bit ARM |
Power |
Power supply |
9-28V DC (Standard adapter: DC 12V/1.5A) |
Consumption |
12V input Max. 150mA/Average 50mA |
|
Network |
Wireless Network |
Either GPRS(or 3G/4G, need simcard) or Wi-Fi(Not need simcard) |
IO channel |
Digital input(DI) |
4 channels, accept dry contact |
Digital output(DO) |
4 channels, transistor output |
|
Series port |
RS232 |
1 port, baud rate: 1200~115200dps, default 9600,n,8,1 |
Other interface |
SIM/UIM |
Standard user card interface |
Antenna |
Standard SMA female interface (50Ω) |
|
Others |
Battery |
Optional lithium-polymer, 500mAh/3.7V,life:8-20 hours |
Working |
temperature |
-30℃~+70℃ |
humidity |
5~95%(non-condensing) |
|
Physical |
Terminals |
1×14pin 3.81mm spacing, pluggable |
Housing |
Providing IP30 protection |
|
Dimension |
95×63×25mm |
|
Weight |
256g |
Size diagram


Free Configure Software
● No programming! set parameter by the visual interface
● Can save config file, one-click finish config
● Over 100 parameters can be set, flexible! Meeting various industrial requirements

CWT Cloud Summary
CWT cloud is an industrial equipment management system based on the internet and cloud computing.
With CWT RTU, CWT cloud can get the status, value, and position of remote industrial equipment, building a very complete M2M, M2H industrial ecosystem.
CWT cloud can manage thousands of CWT RTU remotely, display all industrial equipment real-time data, location tracking, control devices, send commands and store data, analyze data, eand xport data. Operations are based on the internet, just log into the cloud via a PC browser or cell phone app to do.


Manufacturer | 3G Mobile |
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