CWT-L1120S 1Di 1Do 2Ai RS485 Modbus Gprs 3G 4G Wifi Rtu Modem Iot Gateway

CWT-L1120S M2M IoT Gateway

For acquiring the remote operating parameters and process management, CWT-L1120S IOT M2M Gateway help machine to access internet via GPRS/4G/Wi-Fi and establish TCP/IP connection with server.CWT-L1120S can be widely used in industrial automatic control, base station / computer room monitoring, environmental monitoring, water conservancy project, power industries, agriculture, etc.

CWT-L1120S Options and Basic Features

2G/4G Version Standard Package

IO port feature

DI (digital input) features:

• Accept dry contact

DO (digital output) features:

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

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

• Remember status when power lost

AI (analog input) features:

• Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 16-bit precision)

• Convert signal to actual measure value，support adjustment

• Configurable parameters for signal acquisition, alarm, data communication

• Detect connect or disconnect to alar

RS485 port features

Modbus master mode on RS485 to read16 registers from slaves and push data to server by TCP/IP(optional multiple protocol)

Communication 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 upload data

• Provide configure software, visual programming

• Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power los

Specification