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CWT5112 4G RTU Alarm and Controller with 12 DI, 4 DO, 4 AI, RS232
The CWT5112 4G RTU Alarm and Controller features 12 digital inputs (DI), 4 digital outputs (DO), and 4 analog inputs (AI) with RS232 interface for real-time monitoring and remote control. Ideal for industrial automation, security systems, and remote equipment management, it ensures reliable 4G communication for alarms, data acquisition, and control operations.
CWT5112 4G RTU Alarm and Controller with 12 DI, 4 DO, 4 AI, RS232
The CWT5112 RTU is a high-performance remote terminal unit designed for industrial automation, real-time monitoring, and remote control. Equipped with 12 digital inputs (DI), 4 digital outputs (DO), 4 analog inputs (AI), and an RS232 standard electrical interface, it seamlessly connects to PLCs, meters, sensors, and electrical switches.
This RTU efficiently monitors real-time system status and data, enabling seamless remote communication with a central computer or mobile devices via GSM, GPRS, 3G, 4G, and Wi-Fi networks. It enhances process management and data acquisition, making it ideal for industrial automation, base station and computer room monitoring, environmental monitoring, water conservancy projects, power industries, and agriculture. The CWT5112 RTU ensures reliable remote control, optimized operational efficiency, and seamless integration with industrial systems.

Port Features
Port |
Qty |
Features |
DI |
12 |
● Accept dry contact |
DO |
4 |
● Transistor output (drive voltage=power supply voltage, Drive current≤500mA |
AI |
4 |
● Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 16-bit precision) |
RS232 |
1 |
● Configuration port |
Communication Features
Wireless network communication
|
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● Option network: GPRS, 3G, 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 RS232 |
SMS Communication(only available for the cellular version) |
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● Preset 10 phone numbers (support distribute authority to receive sms) |
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
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) |
12 channels, Dry contact trigger |
Digital output (DO) |
4 channels, transistor output |
|
Analog Input (AI) |
4 channels, receive 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 16-bit precision, Dual digital filters for anti-noise |
|
Series port |
RS232 |
1 port, baud rate: 1200~115200dps, default 9600,n,8,1 |
Mini USB |
Configuration port |
|
Other interface |
SIM/UIM |
Standard user card interface |
Antenna |
Standard SMA female interface (50Ω) |
|
Others |
Battery |
Optional lithium-polymer, 1000mAh/3.7V,life:8-20 hours |
GPS module |
Optional |
|
Working |
temperature |
-30℃~+70℃ |
humidity |
5~95% (non-condensing) |
|
Physical |
Terminals |
2×14pin 3.81mm spacing, pluggable |
Housing |
Providing IP30 protection |
|
Dimension |
130×80×30mm |
|
Weight |
370g |
Size diagram


Free Configure Software
● Can save config file, one click finish config
● Over 100 parameters can be set, flexible! Meeting various industrial requirements

CWT Cloud Summary
With CWT RTU, CWT cloud can get status, value, position of remote industrial equipment, built a very complete M2M, M2H industrial ecosystem.
CWT cloud can manage thousands CWT RTU remotely, display all industrial equipment real-time data, location tracking, control device, send commands and store data, analysis data, export data. Operations are based on internet, just login cloud via PC browser or cell phone app to do.


Manufacturer | 3G Mobile |
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