S175 RS485 RS232 GSM 3G 4G LTE Cellular IOT Gateway Modbus RTU with MQTT

1. Can be operated from anywhere, no distance limitation;

2. Quad band 850/900/1800/1900Mhz GSM GPRS Module inside.

3. 3G/4G/NB-IoT Modules are optional;

4. Modular design, can easily upgrade the cellular module if network upgrade;

5. Embedded ARM¬ Cortex™-M4 32 Bit RISC Core, 168 MHz inside, RTOS system, reliable performance with in-built watchdog;

6. Wide range power supply 9~36VDC with over voltage and phase-reversal protection;

7. 1 ambient sensor input for monitoring onsite temperature and humidity;

8. Resend the data while communication failure and alert to users by SMS;

9. Inbuilt TCP/IP protocol stack, supports cloud, APP and web server applications.

10. Supports Modbus TCP protocol, can integrate to SCADA,HMI,DSC directly.

11. 2 RS485 port supports Modbus RTU Master and Slave, can be used to extend I/O ports or meters;

12. Supports SMS Alert when I/O triggered or recovery, and external power lost or recovery;

13. Provides 1 channel 9~36VDC power source output for external device, saving wiring cost;

14. Up to 10 SMS Alert and dial numbers, can program to receive specified alarm message.

15. Inbuilt 8G SD card to save up to 100000 historical data and events;

16. Inbuilt large capacity automatically rechargeable backup battery;

17. Industrial class design suitable for long time work applications;

18. using metal shell, protection class IP30. Metal shell and system security isolation, especially suitable for industrial applications in the field;

19. L70 * W88 * H30mm, compatible wall installation and DIN35mm industrial rail installation.