The GSM 3G 4G M2M RTU S271 (4DIN,4AIN/PT100,4Relay,1TH,USB) is design for working in the harsh industrial application environment, widely used in a variety of industrial automation, security monitoring system, automatically measurement and control system, BTS monitoring, telemetrically, automatically control system. It can be used as a remote switch, remote I/O, remote smart PLC, timer switches.
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. 4 digital inputs, compatibles dry and wet contact, one of it can be used as pulse counter;
8. 4 analog inputs, 12bit resolution, compatibles 0/4~20mA, 0~5V, can change to PT100 Resistance Temperature Detectors;
9. 4 relay output (5A/30VDC, 5A/250VAC), compatibles pulse outputs;
10. 1 ambient sensor input for monitoring onsite temperature and humidity;
11. Inbuilt inter-lock logic programmer and powerful timer program function;
12. Resend the data while communication failure and alert to users by SMS;
13. Inbuilt TCP/IP protocol stack, supports cloud, APP and web server applications.
14. Supports Modbus TCP protocol over GPRS/3G/4G/NB-Iot networks, performs as Modbus Slave;
15. Supports SMS Alert when I/O triggered or recovery, and external power lost or recovery;
16. Provides 1 channel 9~36VDC power source output for external device, saving wiring cost;
17. Up to 10 SMS Alert and dial numbers, can program to receive specified alarm message.
18.10 authorized numbers can switch on/off device with a free charge call at the specified time;
19. Inbuilt internal memory to save up to 200 historical data and events;
20. Inbuilt large capacity automatically rechargeable backup battery;
21. Industrial class design suitable for long time work applications;
22. using metal shell, protection class IP30. Metal shell and system security isolation, especially suitable for industrial applications in the field;
23. L140 * W88 * H30mm, compatible wall installation and DIN35mm industrial rail installation.
User Manual Download:
PC Configurator Download:
SMS APP Scan Barcode: