m2m device management, M2M cloud service, M2M remote control
System Feature
- Adopted highly integrated industrial 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)
- Event-based linkage programming, e.g. alarm linkage output
- 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
- Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
- DO can be activated by remote or local schedule
- Remember status when power lost
DO(K) feature
- Relay NO contact output(load: 2A / 125VAC,220VDC)
- DO can be activated by remote or local schedule
- Remember status when 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
- Can set parameters for value processing, alarm, data transmission
- Detect connect or disconnect to alarm
SMS feature
- Support 10 cell phone numbers for alarm and control
- Any device alarm status can be sent by sending sms
- All alarm and recover sms text can be edited
- Can send sms command to request any channel status or value
- On/off/pulse output by sending sms
- Configurable schedule for sms report IO channel's status or value
- Remote update parameters by sms
- Can query SIM card balance, sms forward
- Power lost and recover alarm by sending sms
Wireless network communication
- Option network: cellular(2g/3g/4g) or Wi-Fi
- TCP/IP connect at most 4 servers(support Static IP address or domain)
- Automatically Upload data when alarm or according to schedule
- Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
- Can forward data between wireless network with RS485 or RS232
Modbus feature
- Can work as a modbus master to poll salve over RS485
- Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
- Run Modbus RTU or TCP protocol over GPRS/3G
