The Cellular IoT RTU is an industrial class, high reliability, high stability, and programmable Remote Terminal Unit (RTU).  It embedded 32-Bit High Performance Microprocessor MCU, inbuilt industrial Cellular module. It provides 8 digital inputs, 6 analog(ultra high 24 bit resolution) or PT100 Resistance Temperature Detector (RTD) inputs, 4 relay outputs, 1 ambient sensor input for monitoring onsite temperature and humidity, 1 Ethernet RJ45 port for connect internet WAN or LAN, supports dual nano sim card, with 2 RS485 serial port, supports 224 mapping registers via Modbus RTU protocol. It can monitoring and operates the I/O ports by SMS, APP, Web Server, internet, timers and programmed inter-lock events automatically.

Specifications:

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 Dual 3V Nano SIM Card
External antenna	SMA Antenna interface, 50 Ohm, Gain: 3dB
Serial Interfaces	1 USB Port
Protocols	SMS, GPRS UDP,TCP, Modbus RTU over TCP,Modbus TCP, MQTT and more equipment protocols   can be added according to requirements.
Ethernet	1 RJ45 Ethernet port for connect internet,WAN or LAN.
RS485	2 RS485, Support Transparent transmission, Modbus RTU Slave, Modbus RTU Master.
Digital Inputs	8 Digital input, NC/NO type, one of it can be used as Pulse Counters;
Analog Inputs	6 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;
Mapping Registers	Max.320
Memory Capacity	Internal 8G SD card inside, can save the data for 100000events.
Backup Battery	3.7V 1200mAH
Temperature range	-10-+70 °C
Humidity range	Relative humidity 95% (condensation free)
Exterior dimension	70mm*88mm*30mm
Weight	500g

 

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.  8 digital inputs, compatibles dry and wet contact, one of it can be used as pulse counter;

8. 6 analog inputs, 24bit 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, can integrate to SCADA,HMI,DSC directly.

15. Supports RJ45 Ethernet port for connect internet, WAN or LAN;

16. 2 RS485 port supports Modbus RTU Master and Slave,  can be used to extend I/O ports or meters;

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

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

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

20.10 authorized numbers can switch on/off device with a free charge call at the specified time;

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

22. Inbuilt large capacity automatically rechargeable backup battery;

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

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

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