Chipper
- Industry:
- Processing machines
- Task:
- Chipper blockage should be recognised quickly. Monitoring of 2 overload thresholds:
threshold 1 = reverse, threshold 2 = shutdown
- Solution
- Power monitoring for the electric motor of a chipper with the double “over” function. As soon as the effective power leaves the permitted range and exceeds the first overload threshold, relay output 1 is tripped and the machine is reversed. When the second overload threshold is exceeded, relay output 2 is tripped, the motor contact is switched off, and the system is shut down.
- Use/value:
- - Rapid shutdown in the event of blockage
- Monitoring of 2 separate overload thresholds
- Motor protection
- Minimisation and prevention of downtime
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