Emergency Stop Control Elements - Siemens SINUMERIK 828D Function Manual

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
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
N2: Emergency stop
11.3 Emergency stop control elements
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