Mainly Features
1. Inbuilt ARM® Cortex™-M4 32 Bit RISC Core MCU; 2. Quadband 850/900/1800/1900Mhz GSM GPRS Module inside, 3G WCDMA / CDMA2000 Modules are optional; 3. Widely Rated voltage range, 9~36VDC, Inbuilt large capacity rechargeable backup battery; 4. Large internal memory to save up to 3500 historical records, USB port for configuration, upgrade firmware and export records; 5. Inbuilt industrial ISM Band 433Mhz Radio Frequency Half duplex communication module, distance up to 2~5Km; 6. Supports maximum 50 wireless Data Acquisition Modules, will alert users by SMS once the wireless DAM connect failure to ensure the monitoring working properly; 7. Supports maximum 400 wireless distributed I/O endpoints; 8. 2 solid relay outputs, rated capacity is 5A/30VDC,5A/250VAC; 9. 4 digital inputs, compatible to dry contact or wet contact inputs. Logic level: 0~0. 5V or short circuit treated as close, +3~30V or open circuits treated as open; 10. 1 temperature & humidity sensor input for monitoring onsite environment, the sensor model is AM2301, Measures temperatures from -40-80°C,0.5°C accuracy, Relative Humidity from 0-99RH%, accuracy is 3%; 11. 1 RS485 serial port (Optional: RS232) for Modbus RTU Slave to SCADA or data transparent transmission;. 12. I/O ports with opto-isolated, RS232/485/RJ45 with 15KV ESD protection; 13. Supports Modbus TCP,TCP/IP protocol, Definition Protocol and transparent transmission over GPRS/3G/ Ethernet network; 14. Automatically resend the data while GPRS/3G/Ethernet communication interrupt or failure, GPRS/3G failure will alert by SMS text to users; 15. Supports remotely restart the RTU, and configure& operate it by SMS commands remotely; 16. Supports over voltage protection and phase-reversal protection, provide DC power sources for external device to save wiring cost; 17. 10 SMS Alert and auto dial numbers for receiving alarm message, can program to receive specified alarm message. |