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INTORQ: Speed Sensors
Spring-applied brakes with integrated speed sensor
Components for the integrated speed sensor
The inductive sensor system can be applied for detecting speed and direction of rotation in brake motors. The speed sensor and the analysis electronics can replace the sensor bearings that are used in industrial trucks today. The components are integrated in a way that does not change the overall length of the brake motor.
Characteristics:
Inductive sensor system for detecting speed and direction of rotation
A brake rotor with external gear teeth supplies the impulse marks
Speed measurement range: 5 to 6000 r/min (Size 08: 7 to 6000 r/min)
The analysis electronics are part of the system
Technical data:
Brake types: BFK457 (Basic) and BFK458 (N/E/L)
Size 08: 48 pulses/revolution
Sizes 10, 12: 64 pulses/revolution
Supply voltage: 24 V DC
Sensor head temperature: -20°C… +130°C
Electronics temperature: -20°C… +70°C
Output: rectangular signals, A- and B-channel (open collector)
Advantages:
No change to the overall length of the motor
Speed measurement without complex and costly changes to the motor
Cost advantages over expensive and sensitive sensor systems
Shielded against magnetic fields
Not sensitive to brake dust
Temperature-resistant sensor head, analysis electronics in a separate housing
Rotor with toothed intermediate ring