Digital, intelligent drives with the sercos interface provide outstanding protection against uncontrolled drive movements and excessive velocities.
The drives’ internal intelligence provides perfect self-monitoring with the aid of the position values, command values, actual values and drive parameters, combined with forced shutdown in the event of a mal-function or failure of the drive processor.
Furthermore, excessive axis velocities or run-away due to faulty or incorrectly transmitted position command values can be completely eliminated by logical monitoring in the drive processor of the command values received by the controller. Safety redundancy is achieved by monitoring the actual value data fed back to the controller via the sercos interface.
Even in the event of a communication failure, safe shutdown of the drives is ensured by the drive’s internal monitoring and also by monitoring at the controller in conjunction with a higher-order emergency-stop circuit.
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