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CWT5002-1 4DI 4DO Rs485 Modbus Rtu Gsm Gprs 4g Wi-Fi Modem IoT Gateway

Regular price $110.00 USD
Regular price Sale price $110.00 USD
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Product overview

CWT5002-1M RTU with 4 DI, 4 DO, RS232 (RS485 optional)standard electrical interface can connect various industrial equipment, such as PLC, meters, sensors, electrical switches. It monitors the industrial system real-time running status and data, as well as constructs the remote device to a proprietary central computer and mobile phones through the GSM/GPRS/3G/4G/Wi-Fi/Ethernet communication network. It efficiently acquires the remote equipment operating parameters and process management, can be widely used in industrial automatic control, base station / computer room monitoring, environmental monitoring, water conservancy project, power industries, agriculture, etc.

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 retransmission to ensure data accurately transmit
  • 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. output, upload data, change setting
  • Event-based linkage programming, e.g. alarm linkage output
  • Provide configure software, visual programming, over 100 parameters can be set
  • Inside temperature optional, can set high or low to alarm
  • Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power lost

Port Features




(digital input):
4 channels

  • Accept dry contact


(digital output):
4 channels

  • Transistor output (drive voltage=power supply voltage, Drive current≤500mA

  • Remote or local event activate DO on/off/pulse

  • Remember status when power lost


  • Support Modbus RTU protocol

  • Working as a modbus master to read/write 32 data from slaves

  • Configuration port

  • RS485 optional

Communication Features

Wireless network communication

  • Option network: GPRS, 3G, 4G, Wi-Fi

  • 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

SMS Communication(only available for cellular version)

  • Preset 10 phone numbers (support distribute authority to receive sms)

  • Sms alarm when any IO channel triggered or out of preset normal range

  • Editable alarm and recover sms with time stamp

  • Query any IO channel’s status or value via sms command

  • Control output via sms command

  • Sms report any IO channel’s status or value on schedule

  • Remote setting via sms commands

  • Can query SIM card balance, sms forward

  • Support power lost sms alarm and recover sms(works with inside battery)

2G/4G Version Standard Package

CWT5002-1M how to monitor Modbus register

Terminals figure

CWT Provide free Cloud Service

CWT cloud is an industrial equipment management system based on internet, cloud computing.

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.

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