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.
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Electrical equipment | electrical automation
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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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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.