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Safety Standstill Monitor LH 5946

Logo Dold & Söhne, E.

Exhibitor

Dold & Söhne, E.

Exhibitor details
Exhibitor details
Logo Safety Standstill Monitor LH 5946

Product description

Sensorless Safety Standstill Monitor

2-channel standstill monitoring of motors

The new DOLD safety standstill monitor LH5946 detects standstill of disconnected motors independent of the rotating direction. It fulfils SIL 3 and PL e/SK 4 and is used to release a solenoid locking switch or to activate a mechanical hold in brake, e.g. on woodworking machines, machine tools or on conveyor systems. This provides fast access to dangerous areas of a plant for service and maintenance.

Proximity sensors and speed sensors are not necessary. This saves cost, installation work and allows efficient refurbishment. The unit measures the back emf voltage of a freewheeling motor. The unit is connected directly to the motor supply wires. Residual voltage on the measuring circuit up to some volts, can be compensated by adjusting the response value.
The unit includes extended failure diagnosis and is often used with frequency inverters.

Hall 11, Stand C40

On-site phone: +49 511 89405230

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