CWT5002-3 8DI 4AI 8Do Rs485 Modbus Rtu Gsm Gprs 4g Wi-Fi Rtu Gateway With Cloud Service

• 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

DI

(digital input):
8 channels

• Voltage inputs(DC5-30V), opt coupler isolation, isolation voltage: 5000V

DO

(digital output):
8 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

AI

(analog input):
4 channels

• 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 alarm

RS485:
1 port

• Support Modbus RTU protocol
  

• Can work as a modbus master to read/write 96 data from slaves
  

• Can work as a modbus slave to be read/write by master

• Support isolation，15KV ESD protect

RS232:

1 port

• Communication port

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)

RS485 Modbus communication

• Support Modbus RTU protocol

• Can work as a modbus master to read/write 64 data from slaves (like meter, PLC, transducer etc.)

• Can work as a modbus slave to be read/write by master (HMI, SCADA etc.)

• Support Modbus RTU to TCP convert over Ethernet or GPRS/3G