wireless m2m management system, m2m remote control system
System Feature
- Industrial NXP 32-bit ARM MCU
- Reliable performance with built-in double watchdog, 24×7 operation
- Dual digital filters for anti-noise
- Support automatic network reconnection and data re-send
- Automatically or manually update interior clock by sms or NTP or server
- Configurable action schedule(second, minute, day, week, month)
- Support Interlock programming, Event trigger
- Provide console utility for visual programming over 100 parameters
- Optional inside lithium battery for power lost alarm and keep 8-20 hours working
DI feature
- Monitor dry contact(NO or NC)
DO(T) feature
- Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
- Remote or local event activate DO on/off/pulse
- Remain down status when power lost
DO(K) feature
- Relay output(NO, contact load: 2A / 125VAC,220VDC)
- on/off/pulse DO by remote control or local event
- Status memory function for power lost
AI feature
- Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
- Transduce 4-20mA(0-5V) to actual value
- Support offset and gain, alarm parameters, upload data setting
- Signal lost alarm
SMS feature
Support 10 cell phone numbers for alarm and control
- Any device alarm status can be sent by sending sms
- Customizable sms messages, like alarm, receove, report
- Remote get device status or value by sending sms command
- Activate output by sending sms
- Configurable schedule for sms report IO channel's status or value
- Remote setting via sms commands
- Can query SIM card balance, sms forward
- Support power lost sms alarm and recover sms(works with inside battery)
Wireless network communication
- With 2g, 3g, 4g, Wi-Fi version
- Support TCP/IP two-way communication with Max.4 servers(IP or domain)
- Support post or respond mode for data communication
- Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
- Support two-way data transparent transmission with RS485 or RS232
- Modbus feature
- polling salve over RS485 with modbus rtu protocol
- As a RS485 I O module to be polled by modbus master
- As modbus to gprs/3g gateway
