m2m management system, machine to machine iot solution
System Feature
- Cortex M3 32-bit ARM
- Double watchdog to ensure stability
- With signal filtering mechanisms
- Stable reconnection strategy for data 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
- 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
- Monitor dry contact(NO or NC)
DO(T) feature
- Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
- on/off/pulse DO by remote control or local event
- 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
- Remember status when power lost
AI feature
- Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 10-bit precision)
- Convert signal to actual measure value,support adjustment
- Configurable parameters for signal acquisition, alarm, data communication
- Sensor disconnect alarm
SMS feature
- Support 10 cell phone numbers for alarm and control
- Send sms alarm when input is triggered or reach alarm level
- All alarm and recover sms text can be edited
- Remote get device status or value by sending sms command
- Control output via sms command
- Configurable schedule for sms report IO channel's status or value
- Remote setting via sms commands
- Sms remind for sim card overdue
- Sms alar for power lost and recover
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
- Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
- Support two-way data transparent transmission with RS485 or RS232
Modbus feature
- Can be modbus master read/write salve over RS485
- Can be a I O module to be read/write by modbus master
- As modbus to gprs/3g gateway
