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- Fully automatic water filter
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Xi'an Lantian Hengyuan Hydropower Equipment Co., Ltd
Creep monitoring device for RDJ-P1 unit of hydropower station self-control component
NegotiableUpdate on 04/29
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Overview
The RDJ-P1 creep monitoring device adopts Siemens PLC as the core controller and TURCK rotary encoder as the angle sensor to monitor the creep status of the water turbine unit when it is in a shutdown state. The PLC monitors the change value of the angle sensor in real time, which is linearly related to the creep of the unit. After filtering and numerical transformation processing, it is confirmed that the creep value exceeds the set value, and the PLC controller outputs an alarm signal $r $n for the hydropower station automatic control component RDJ-P1 unit creep monitoring device
Product Details
Creep monitoring device for RDJ-P1 unit of hydropower station self-control component
Creep monitoring device for RDJ-P1 unit of hydropower station self-control component
I. Overview
The RDJ-P1 creep monitoring device adopts Siemens PLC as the core controller and TURCK rotary encoder as the angle sensor to monitor the creep status of the water turbine unit when it is in a shutdown state. The PLC monitors the change value of the angle sensor in real time, which is linearly related to the creep of the unit. After filtering and numerical transformation processing, the PLC controller outputs an alarm signal after confirming that the creep value exceeds the set value. The controller uses a digital tube as the display unit, with parameter tuning and real-time clear and intuitive display.
2、 Characteristics
Imported high-performance PLC as the core control component, with good reliability.
PLC can intelligently process numerical values, output alarm contacts, and set alarm contact values arbitrarily within the range, making it flexible and convenient to use.
The angle encoder adopts imported high-performance rotary encoders with good reliability.
Using digital display as the human-machine interface, the peristaltic parameters and device status are clear and intuitive.
3、 Technical parameters
Measurement range: 0 ° -360.0 ° Measurement accuracy: 0.2 °
Digital Display Method: Digital Display
■ Output signal: Relay contact output: 2 sets
Contact capacity: 10A/AC220V 5A/DC30V (resistive load)
■ Contact form: SPDT
■ Delay time: 1 Min-900 Min
Working environment: Temperature 0-50 ° C, humidity<95%
■ Power supply: AC220V/50Hz
■ Power consumption: 40W
4、 Working principle
The rotary encoder linked to the main shaft of the unit monitors the creep of the main shaft in real time. When there is a small rotational change in the main shaft of the unit, the rotary encoder immediately generates multiple corresponding pulse signals. The change amount is sent inThe high-speed I/O port of the PLC filters and converts the sampled values to accurately obtain the creep value of the unit. The PLC compares the collected values with the 2-level alarm set values to determine the alarm output status.
The input buttons on the monitoring controller are used for alarm pointsThe setting of alarm values, alarm delay time, and monitoring time period values for AL2. The digital monitor can display in detail the value of the main axis creep angle and the device status.
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