When a machine safety gate is opened, hazardous movements must be stopped in accordance with EN1088 and a restart must be prevented. It must not be possible to restart the machine or defeat/ manipulate the guards.
Non – Contact Safety switches for doors, machine flaps and covers that must remain closed during the operation of the machine for the protection of personnel and intergrated systems. Safety Coded Magnetic sensors with their respective control modules, Mechanical Switches with electric solenoids and innovative Hinged safety switches are but a few devices available to ensure complete personnel safety.
Some Examples;
Safe Proximity switches
Safe Pull Wire switches
Safe Rotary Absolute Encoder
Foot switch as illustrated.
Manufacturers