MBO SVC 525C, Translation Of The Original Operating Manual, Page: 58 / 171

54 Sheeter SVC 525C
Structure and function
Protective devices
4.5 Protective devices
4.5.1 Definition of terms
4.5.1.1 Fixed guards
Fixed guards:
• are used if access to the area secured by the protective device is sel-
dom or never required.
• must only be loosened or removed using tools.
• do not have any electric locking (safety switch).
4.5.1.2 Interlocking movable guards
Interlocking movable guards:
• are used if access to the area secured by the protective device is fre-
quently required.
• can be opened without tools.
• have electric locking (safety switch).
When the protective device is opened, this causes the machine to stop.
The machine can be restarted only after the protective device is closed.
4.5.1.3 Interlocking movable guards with guard locking
Interlocking movable guards with guard locking:
• cannot be opened when the machine is operating.
The locking prevents access to the danger spot until the hazardous
function has been eliminated.
• can be opened without tools.
• have electric locking (safety switch) and a locking.
When the protective device is lifted, the electric locking causes the ma-
chine to stop.
Only when the hazardous function has been eliminated safely is the
locking reset and then the protective device can be opened completely.
The machine can be restarted only after the protective device is closed.