GSM 3G M2M RTU (4D+I4AI+4DO+1TH+1USB)

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Quick Overview

Model:S271(GSM+3G Version)
The GSM 3G M2M RTU is a multi I/O port remote terminal unit. It is special for BTS monitoring, remote data acquisition, telemetrically, BTS access control and other applications. It supports voice communication, SMS, GPRS, 3G communications.

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Product Description

Model:S271(GSM+3G Version)
The GSM 3G M2M RTU is a multi I/O port remote terminal unit. It is special for BTS monitoring, remote data acquisition, telemetrically, BTS access control and other applications. It supports voice communication, SMS, GPRS, 3G communications.

Features

Mainly Features:

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.

 

Specs

Technical Specification:

Item Reference Scope
DC Power supply Standard adapter: DC 12V/1.5A  Range 9-36VDC
Power consumption Standby:12V/70mA;  Working Max.: 12V/300mA
GSM Frequency 850/900/1800/1900Mhz
3G/4G/NB-Iot Optional: WCDMA/TDD-LTE/FDD-LTE/NB-IoT
TCP/IP stack TCP,UDP
SIM interface Supporting 3V SIM Card
External antenna SMA Antenna interface, 50 Ohm, Gain: 3dB
Serial Interfaces 1 USB Port
Protocols SMS, GPRS UDP,TCP, Modbus RTU, Modbus TCP and more equipment protocols can be added according to requirements.
Digital Inputs 4 Digital input, NC/NO type, one of it can be used as Pulse Counters;
Analog Inputs 4 Analog Inputs. 12 bit resolution, 0-5V or 0-20mA or 4-20mA;

Optional: each AIN can change to PT100 RTD inputs.

Temp.&Hum Inputs Temperature range: -40°C to +80°C, Humidity Range: 0~100%RH;
Relay Outputs 4, Rated: 5A/30VDC,5A/250VAC
Power Outputs 1 Port, for external device;
Memory Capacity 200events.
Backup Battery 3.7V 1200mAH
Temperature range -10-+70 °C
Humidity range Relative humidity 95% (condensation free)
Exterior dimension 140mm*88mm*30mm
Net Weight 650g

Ordering

Standard Package:

RTU  X1

AC/DC AdaptorX1

GSM/3G/4G Antenna X1

User Manual X1

PC ConfiguratorX1

Applications

Downloads

User Manual Download:

PC Configurator Download:

SMS APP Scan Barcode:

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