IOT Smart Device for Internet of Things Industrial Applications

CWT5002-3 RTU with 8 DI, 8 DO, 4 AI, RS485 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

System Feature

• Adopted highly integrated industrial 32-bit ARM MCU
• Reliable performance with built-in double watchdog, 24×7 operation
• With signal filtering mechanisms
• Support automatic network reconnection and data re-send
• Synchronize clock with multiple way, Sms, NTP, CwtIO Server
• Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. output, upload data, change setting
• Support Interlock programming, Event trigger
• Provide configure software, visual programming, over 100 parameters can be set
• Optional inside lithium battery for power lost alarm and keep 8-20 hours working

DI feature

• Accept NO or NC dry contact

DO(T) feature

• Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
• DO can be activated by remote or local schedule
• Remain down status when power lost

DO(K) feature

• Relay NO contact output(load: 2A / 125VAC,220VDC)
• Remote or local event activate DO on/off/pulse
• Status memory function for power lost

AI feature

• Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
• Convert signal to actual measure value,support adjustment
• Configurable parameters for signal acquisition, alarm, data communication
• Detect connect or disconnect to alarm

SMS feature

• Preset 10 phone numbers (support distribute authority to receive sms)
• Any device alarm status can be sent by sending sms
• Customizable sms messages, like alarm, receove, report
• Can send sms command to request any channel status or value
• Activate output by sending sms
• Can set interval to report IO channel's status or value by sms
• Remote update parameters by sms
• Sms remind for sim card overdue
• Support power lost sms alarm and recover sms(works with inside battery)
• Wireless network communication
• Optianal onboard GPRS, 3g, 4g, Wi-Fi module
• TCP/IP connect at most 4 servers(support Static IP address or domain)
• Support post or respond mode for data communication
• Communication protocol: Modbus TCP,http post, Cwt_IO(two-way communication)
• Transfer RS485 or RS232 Data to wireless network

Modbus feature

• Can be modbus master read/write salve over RS485
• 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

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