Name: M2M Internet of Things RTU S274 4DI/DO 1TH 32G Memory 1RS485 for Telemetry Systems
Brand: bliiot
Availability: InStock

Product Details

The remote terminal unit S274 features 4 digital inputs, 4 relay outputs, 1 temperature and humidity input, and 1 RS485 serial port. The remote terminal unit supports Modbus RTU over TCP, Modbus TCP, MQTT protocol.
The remote monitoring module is designed for remote measurement and control system and remote data acquisition telemetry systems, such as smoke, liquid, water, flow, flood, electricity, power, energy remote monitoring and remote control.

Item	Reference Scope
DC Power supply	Standard adapter: DC 12V/2A Range 9-36VDC
Power consumption	Standby:12V/50mA; Working Max.: 12V/150mA
GSM Frequency	850/900/1800/1900Mhz
3G/4G	Optional: WCDMA/TDD-LTE/FDD-LTE
TCP/IP stack	TCP,UDP
SIM interface	Supporting 3V and 1.8V SIM Card
External antenna	SMA Antenna interface, 50 Ohm, Gain: 3dB
Serial Interfaces	1 USB Port
Protocols	SMS, GPRS UDP,TCP, MQTT,Modbus RTU over TCP and King Pigeon RTU protocol.
RS485	1 RS485, Support Transparent transmission and 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;
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	2 Port, for external device;
Extend I/O Tags	Max.320
Memory Capacity	Internal 8G SD card inside, can save the data for 100000events.
Backup Battery	3.7V 900mAH
Temperature range	-20-+70 °C
Humidity range	Relative humidity 95% (condensation free)
Exterior dimension	195mm88mm30mm
Net Weight	350g