Remote Terminal Unit

1.Remote Terminal Unit product overview

Remote Terminal Unit is a microprocessor-based remote telemetry monitoring electronic device that collects and processes data from field sensors.Remote Terminal Unit (hereinafter referred to as RTU terminal) integrates low-power wireless communication technology and Ethernet transmission technology.It has multiple analog quantity, switching quantity acquisition functions and logic control functions.It has its own display screen to facilitate intuitive viewing of data and configuration working parameters on site.It can monitor the changing data of the on-site sensor and control status, and automatically alarm and automatically report.It mainly targets remote remote monitoring and monitoring applications in water resources, water conservancy, meteorology, agriculture, environmental protection, oil fields and other industries.

2.Features of Remote Terminal Unit

1.Adopt high-performance industrial-grade ARM processor with powerful logic computing capabilities.

2.A microprocessor containing WATCHDOG and FLASH makes the system have stronger anti-interference ability.

3.Capture variable volume function: collect automatic alarm for analog volume signals such as pressure, water level, water quality, temperature, and meteorology.

4.Capture instrument data function: collect flow and rainfall data of flow meter and rainmeter.

5.Capture IO status function: collect operation status signals of on-site IO equipment such as valves, water pumps, etc.

6.Dual RS485 communication interface, supports remote image photography.

7.It can have a built-in large-capacity MicroSD card, automatically store data reports, and support USB disk data export function.

8.Supports the set upper and lower limit ranges of analog alarms, and automatically reports alarm information.

9.Supports remote control function and can remotely control water pumps, valves and other equipment.

10.Supports power supply status and box door status detection.

11.Support the function of disconnection and supplementary reporting, and reject data missed reporting.

12.Supports GPRS wireless mode and network port wired mode to communicate simultaneously.

13.Support transcription of multiple device communication protocols (please indicate when purchasing and indicate the instrument model to be connected).

14.It has automatic timing reporting and event trigger reporting mechanism.

15.Supports MJ-GPRS protocol communication method, which is convenient for direct connection with the monitoring center.

16.Support the "Statement on the Transmission of Water Resource Monitoring Data" and the "Statement on the Transmission of Online Monitoring Data".

17.Automatic recovery of embedded watchdog, undead, and disconnected.

18.Industrial-grade quality assurance, stable and reliable performance, and high cost performance.

19.Provide serial port program upgrade and remote upgrade functions.

3.Remote Terminal Unit technical parameters

AI input configuration: 6 analog quantity acquisition inputs (one of which can acquire battery voltage).

DI input configuration: 5 switch inputs.

DO output configuration: 3-channel relay output.

Storage capacity: 8M cyclic storage.

Report storage: MicroSD card, supports USB disk data export function.

1-channel wired Ethernet port communication (optional).

1-channel 4G supports mobile, China Unicom, and telecommunications.

Serial port configuration: 2-channel RS485 (one channel to read the meter and the other channel to take pictures of the camera).

Baud rate: RS485 1200~57600bits/s optional.

Power supply: 9V~30V DC.

Average current: <40mA/12V.

4.Remote Terminal Unit usage conditions

Working environment: Temperature: -30℃~75℃; Humidity: <95% (no condensation)

Installation method: Fixed hole installation

Dimensions: 160mm×148mm×41mm