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 featuresModbus master mode on RS485 to read16 registers from slaves and push data to server by TCP/IP(optional multiple protocol) Communication Features 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 upload data Provide configure software, visual programming Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power los Specification Standard Package List gateway×1, antenna×1，USB cable×1, configure Software CWT provide free cloud service