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gefran0412With the decentralized drive system "KFM Safety", the Siei-Areg (Sales: Gefran) an intelligent complete solution for security doors on machines from the most different fields of application. The certification to EN 61508 is sought together with TÜV Nord. The KFM Safety combines asynchronous motor, frequency converter and line filter as well as communication, fieldbus, analog and digital interfaces, encoders and protective functions in a compact housing.

This makes it a complete, universal drive and positioning unit. As soon as the TÜV certification has been completed, he will receive the SIL2 protection class according to EN 61508 and according to EN 13849 the category 3 with the performance level d. The following protection functions are implemented in this drive solution: safe torque off (stop) STO (Safe Torque Off), safely limited speed SLS (Safely Limited Speed) and safely limited torque SLT (Safely Limited Torque)

The KFM Safety can be easily and space-efficiently integrated into a wide variety of applications. Its use significantly reduces cabling and consumes less space in the control cabinet. In many cases, this can even be dispensed with altogether. The machine protection solution is used, for example, in safety doors for tool, injection molding and packaging machines as well as in automatic assembly machines, conveyor belts and in handling technology. Different gearboxes and toothed belt pulleys, as part of the drive package, ensure adaptation to a wide range of customer-specific requirements.

The 2048 pulses per revolution high resolution of the encoder, an 32-bit position control and the powerful controller ensure flexible, precise positioning and secure position retention. The door-to-door position must first be learned by the safety door operator. If the drive detects an obstacle during "door-to-door" operation (force> 150 N), the internal STO function is activated and the KFM Safety stops immediately, then moves a few millimeters (adjustable) in the direction of "door open" and holds the Position so that the obstacle can be removed.

The software "E @ sy Drives" is included. The menu and configuration program with software oscilloscope for optimum setting, drive adaptation and diagnostics is based on a Windows interface. The determined parameters can be saved on the PC and loaded into other KFM Safety units.


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