Audited Supplier
S271
Remote Control
Combination
Wired
Continuous
Automatic Control, Monitoring, Measurement
RoHS, ISO: 9001, CE
New
Customized
4 Channel
4 Channel
4 Channel
1CH
Modbus RTU, Modbus TCP, Mqtt
DC 12-36V
4G
SMS Alert, SMS Set, SMS Inquiry, SMS Command
10 SMS Alarm Numbers Can Be Added
Remote Configuration
Server room remote control
Data center remote monitoring
Security alarm
Energy consumption monitoring
SMS Alarm
BLIIoT
Box
127x88x30mm
China
8531100000
Product Description
| Model | DI | AI | DO | Tem& Hum | Storage | USB | RS485 | I/O data points | |||
| bool | 16Bit | 32Bit | 64Bit | ||||||||
| S270 | 2 | 2 | 2 | 1 | 2M | 1 | x | x | x | x | x |
| S271 | 4 | 4 | 4 | 1 | 2M | 1 | x | x | x | x | x |
| S272 | 8 | 6 | 4 | 1 | 32G | 1 | 1 | 64 | 64 | x | x |
| S274 | 4 | x | 4 | 1 | 32G | 1 | 1 | 64 | 128 | 64 | 64 |
| S275 | 8 | 6 | 4 | 1 | 32G | 1 | 1 | 64 | 128 | 64 | 64 |
The Industrial 4G Wireless Cellular RTU S271 features 4 digital inputs, 4 analog inputs, 4 relay outputs, 1 temperature and humidity input. The RTU 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.
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.
Inbuilt inter-lock logic programmer and powerful timer program function;
When alarm occurs, the RTU will notify users by SMS, dialing, and also uploading data to cloud platform, monitoring center. The RTU also can be used as a remote switch, remote I/O, remote smart PLC, timer switches.
When alarm occurs, the RTU will notify users by SMS, dialing, and also uploading data to cloud platform, monitoring center. The RTU also can be used as a remote switch, remote I/O, remote smart PLC, timer switches.
The RTU supports BLIIoT IoT RTU protocol, Modbus RTU over TCP protocol, Modbus TCP protocol, MQTT protocol, which can communicate directly with the server, cloud platform or SCADA.
| Category | Parameter | Description |
| Power | Input Voltage | DC 12~36V |
| Power Consumption | Normal: 50mA@12V, Max: 150mA@12V | |
| Output | 1 Channel; Voltage: 12~36V DC; Current: 1500mA@12V(Max) | |
| Protection | Reverse wiring prevention; Surge: 4KV | |
| Backup Battery | 3.7V/850mA (It is optional. Default: Without battery) | |
| USB | USB | 1xMini USB |
| Digital Input | QTY | 4 Channel |
| Type | Support both Wet contact and Dry contact | |
| Dry Contact | Close: Short circuit; Open: Open circuits | |
| Wet Contact | Close: 10~30V; Open: 0~3V | |
| Others | DIN0 as a high-speed pulse counter, sampling frequency: 1MHz; DIN1~3 as low-speed pulse counter, anti-shake time can be set 1~2000ms, default 1ms; DIN1 with arm and disarm function; | |
| Protection | 2KVrms | |
| Digital Output | QTY | 4 Channel |
| Type | Relay output (5A@30VDC, 5A@250VAC) | |
| Others | The first DO can set time to control by authorize number; Custom setting close and open times | |
| Protection | 2KVrms | |
| Analog Input | QTY | 4 Channel |
| Type | Single-ended input, 4-20mA/0-20mA/0-5V | |
| Resolution | 12Bit | |
| Accuracy | ±0.1% FSR @ 25°C ±0.3% FSR @ -10 and 60°C ±0.5% FSR @ -40 and 75°C | |
| Sampling Rate | 200ms | |
| Input Impedance | >1M ohms | |
| Temperature&Humidity (AM2301) | Resolution | 16bit(0.1%RH, 0.1°C) |
| Sampling Rate | 200ms | |
| Temperature Range | -40 to +80°C | |
| Accuracy | 0.5°C | |
| Humidity Range | 0 to 99RH% | |
| Accuracy | 3%RH | |
| 4G | SIM | Drawer type, Support 1.8V/3V SIM/UIM card, Built-in 15KV ESD protection |
| SIM Slot | 1 | |
| L-E Version | GSM/EDGE:900,1800MHz WCDMA:B1,B5,B8 FDD-LTE:B1,B3,B5,B7,B8,B20 TDD-LTE:B38,B40,B41 | |
| L-CE Version | GSM/EDGE:900,1800MHz WCDMA:B1,B8 TD-SCDMA:B34,B39 FDD-LTE:B1,B3,B8 TDD-LTE:B38,B39,B40,B41 | |
| L-A Version | WCDMA:B2,B4,B5 FDD-LTE:B2,B4,B12 | |
| L-AU Version | GSM/EDGE:850,900,1800MHz WCDMA:B1,B2,B5,B8 FDD-LTE:B1,B3,B4,B5,B7,B8,B28 TDD-LTE:B40 | |
| L-AF Version | WCDMA:B2,B4,B5 FDD-LTE:B2,B4,B5,B12,B13,B14,B66,B71 | |
| CAT-1 Version | GSM:900,1800 FDD-LTE:B1,B3,B5,B8 TDD-LTE:B34,B38,B39,B40,B41 | |
| Software | Internet Protocol | IPV4, TCP/UDP, Modbus RTU, Modbus TCP, MQTT, BLIIoT IoT RTU |
| Indicator | 4G signal, running, arming and disarming | |
| Configuration | PC software configuration, support WIN XP, WIN 7, WIN 8 and WIN 10 | |
| Transparent Transmission | Support | |
| SMS Command | Support | |
| Login Package | Support custom login package | |
| Heartbeat Package | Support custom heartbeat package | |
| Storage | Capable of storing up to 200 historical records | |
| Environment | Working | -45~85°C, 5~95% RH |
| Storage | -45~105°C, 5~95% RH | |
| Others | Shell | Metal |
| Size | 127x88x30mm | |
| Protection | IP30 | |
| Installation | DIN Rail mounting, Wall-mounted. |
