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9
Safe
Safe
Safe
Safe Torque
Torque
Torque
Torque Off (STO)
Off (STO)
Off (STO)
Off (STO)
94
07-02-12-02-EN-V1215.doc / Type:
638
●
Application Example 1
Function/Action
Response
Protection Level
Stop Cat.
According to
EN60204
EN 954-1
ISO 13849-1
Safety door monitoring or
emergency shut-down with
protection monitoring switch
The ‚STO’ is tripped when the safety
door is opened or emergency shut-
down switch is activated.
Cat. 3
PL e
0
Important
The category 3 and PL e protection level can only be achieved with an active STO-Power-On-Test.
Note
The acknowledgement is only necessary, when after the cancellation of the STO function by the
automatic start-up, a potential danger for the people in the area or the equipment exists.
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