Guarding a Welding Robot Cell
Machine safety in the automotive industry
Prevent an unwanted restart by having each operator take a safety key with them into the cell.
Prevent unwanted restart
Controlled access into robot cells
TüV certified to SIL 3, Cat 4 and PLe

Key Switch
A key switch with latch is located here.
Door lock
There is a door lock on the door with 3 security keys.
An access request is made at the control box to enter the area.
A controlled machine stop is required.
An access key is released from the
key switch on the control box when the
machine is safe to enter.
Machine Guarding
Machine guarding prevents physical access to the robot cell.
Door lock
Each operator entering the secure
area must carry a security key.
Only when all security keys are returned
can the access key be taken out.
Products used in this application:
Loackable Key Switch
Sleutelschakelaars zorgen dat installaties veilig kunnen worden afgeschakeld.
Door Interlock with Safety Key
Voor het veilig openen van deuren en het voorkomen van insluiting.
Fysieke machineafscherming
Machineafscherming zorgt voor een fysieke beveiliging rondom machines.