Mayser has been producing safety edges for over 20 years, for machine building, public transit, medical, and the robotics markets. Our current products use tactile resistive sensors used for edge sensing of any impediment that can cause an obstruction of a door, gate, or other partition closure, which can result in potentially harmful contact with personnel.
Mayser offers a Sensor Control Unit for these sensors, used to receive the input from the sensor, compare the sensor resistance value (8.2 kohms or other), and provide an output which can be used for motor or actuator operation change.
The single-fault-safe electronics module has dual channels (redundant). Each channel controls a force guided relay and additionally monitors the relay of the other channel. The electronic system monitors the electrical resistance of the sensor with a defined zero signal current.