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GRJS-S Speed Measurement and Control Instrument

The speed measurement and control device is a specialized instrument for hydropower stations. It adopts a 32-bit microprocessor and digital processing technology to monitor the speed of water turbine generator units or motors in real-time. This device can connect external speed pulse sensors or voltage transformer signals, and output switch signals and analog signals corresponding to the unit speed at each speed point of the unit, serving automatic startup, shutdown, and power plant monitoring systems; it can also be set in 8 speed alarm outputs, as well as 8 speed outlet values on site, with 4-20mA transmission output function. The device adopts Modbus RTU communication protocol and RS-485 communication interface.

关键词:

Speed measurement and control instrument

Keywords:

Electrical equipment | electrical automation

Consultation:

Description

Product Introduction

The speed measurement and control device is a specialized instrument for hydropower stations. It adopts a 32-bit microprocessor and digital processing technology to monitor the speed of water turbine generator units or motors in real-time. This device can connect external speed pulse sensors or voltage transformer signals, and output switch signals and analog signals corresponding to the unit speed at each speed point of the unit, serving automatic startup, shutdown, and power plant monitoring systems; it can also be set in 8 speed alarm outputs, as well as 8 speed outlet values on site, with 4-20mA transmission output function. The device adopts Modbus RTU communication protocol and RS-485 communication interface.

 

Technical parameters

♦ Working power supply: AC 5-270V; DC 8-36V;

♦ Measurement signal: pulse signal or terminal voltage 0.3-220V;

♦ Accuracy level: 0.5 level;

♦ Contact capacity: Normally open, AC 250V/5A;

♦ Operating environment: -20~50 ℃; no condensation at 5-85% RH;

♦ Storage environment: -20~75 ℃; no condensation at 5-85% RH;

♦ Overall power consumption: 5W.

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Our staff will contact you within 24 hours (working days). If you need any other services, please call the service hotline at +86 731 89926308

Contact

Service hotline: +86  19974816888 (Manager Fu)

Tel.: +86 731 89926308

Fax: +86 731 89902625

Sales hotline: +86  13808456015, +86  13873137179

Talent hotline: +86  17267887357

Email: csgrjs08@163.com

Address: No. 101, Building 13, Xinggong International Industrial Park, No. 100 Luyun Road, High-tech Development District, Changsha, Hunan Province.

 

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