sim card machine to machine, m2m cellular gateway
System Feature
- Adopted highly integrated industrial 32-bit ARM MCU
- Double watchdog to ensure stability
- Support signal fileter
- Network-reconnect and retransmission to ensure data accurately transmit
- Automatically or manually update interior clock by sms or NTP or 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 console utility for visual programming over 100 parameters
- Optional exterior rechargable battery for 8-20 hours working when power lost
DI feature
- Accept NO or NC dry contact
DO(T) feature
- Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
- on/off/pulse DO by remote control or local event
- Status memory function for power lost
DO(K) feature
- Relay NO contact output(load: 2A / 125VAC,220VDC)
- Remote or local event activate DO on/off/pulse
- Remember status when power lost
AI feature
- Accept 4-20mA (option: 0-5V), Sampling frequency: 33Hz, 10-bit precision)
- Convert 4-20mA(0-5V) to physical value
- Support offset and gain, alarm parameters, upload data setting
- Signal lost alarm
SMS feature
- Preset 10 phone numbers (support distribute authority to receive sms)
- 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
- Activate output by sending sms
- Sms report any IO channel’s status or value on schedule
- 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
- Communicate with up to 4 servers(IP or domain) by TCP/IP
- 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 be a I O module to be read/write by modbus master
- As modbus to gprs/3g gateway
