Safety requirements for workers in almost all industries have evolved to ensure that
safety in the workplace is no longer an option. Government organizations around the world have made worker
safety a priority for companies which has drawn even greater attention to the topic of safety. The latest
product developments from the Schmersal Group have focused on advanced safety systems designed to satisfy
the most current safety standards and regulations.
Compact safety-rated limit switches are for determining the position of movable machine components or
machine guards that can be moved laterally or rotated. The compact body allows these to be used in
confined spaces to monitor the position or presence of moving parts, work pieces, or conveyed materials.
Safety Interlock Switches
Protects operators by not allowing a machine to start without having all switches in place closed and
also powers off the machine if any switches are tripped.
Emergency Stop Pushbuttons
Command devices are of great importance for the man-machine interface in the area of industrial
applications. For example, they are mounted in switch-boards, control panels, two-hand control panels,
in lift manufacture and on materials-handling plants, including conveyors. Manual actuation of the
devices starts operating sequences and functional processes or serves to bring these to an end.
Safety Light Curtains
Optoelectronic safety devices are used as entry, danger point or danger zone guards. Safety light grids
and light curtains can be integrated into the safety concept of the machine or plant even under tight
space conditions by virtue of their very compact design. These safety devices are also often used
on presses to guard danger points or zones. Depending on the particular resolution of the safety
light grids and curtains, protection of persons, hands or even fingers can be provided.
Safety Mats and Edges
Actuated by physical contact, tactile safety monitoring devices stop the hazardous movement. The
diversity of applications requires constructively different devices.
Enabling Devices
Consent switches are used to protect persons from potentially hazardous situations where machine guards
need to be inactivated completely or in part in special operating modes.
Door-handle Actuator
The operator does not have to press a button on an external switching plate when the solenoid interlock
at a safety guard needs to be unlocked. The switching function is now exactly where it is needed: On
the safety door handle which is used to open the safety guard.
Switches
Switches are used to give signals to start machines and to open or close electrically driven doors,
gates and barriers. The pull-wire switches are manually operated by pulling.
Safety Monitoring Relays
Suitable for signal processing of potential-free outputs, e.g. emergency stop command devices, position
switches and solenoid interlocks.
Programmable Safety Controllers
Safety controllers are connected between machine guarding devices such as keyed interlocks, non-contact
sensors, light curtains, etc. and the machine’s stop control elements such as a motor contactor or control relay.
These controllers contain redundant, self-checking monitoring circuits and positive-guided relays
and/or solid state outputs. Each is designed to detect faults in the safety system’s components and
interconnection wiring, and their own internal monitoring circuits and output.
