N2: Emergency stop
11.3 Emergency stop control elements
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
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11.3
Emergency stop control elements
Emergency stop control elements
In accordance with EN 418, emergency stop control elements must be designed so that they latch mechanically
on their own and are easy for the operator and others to actuate in the event of an emergency.
The following list includes some possible types of control elements:
• Mushroomhead pushbutton switches
• Wires/cables, cords, rods
• Puller grips
• In special cases: Footoperated switches without protective covers
Emergency stop button and control
Actuation of the emergency stop button or a signal derived directly from the button must be routed to the
controller (PLC) as a PLC input. In the PLC user program, this PLC input must be forwarded to the NC on the
interface signal:
DB10 DBX56.1 (Emergency stop)
Resetting of the emergency stop button or a signal derived directly from the button must be routed to the
controller (PLC) as a PLC input. In the PLC user program, this PLC input must be forwarded to the NC on the
interface signal:
DB10 DBX56.2 (Acknowledge emergency stop)
Connection Conditions
For connecting the emergency stop button see:
References:
/BH/ Operator Components Manual
