Siemens SINUMERIK 840D sl Function Manual page 949

Detailed description
2.1 Relevant standards
Relevant standards
Compliance with the following standards is essential for the emergency stop function:
• EN 292 Part 1
• EN 292 Part 2
• EN 418
• EN 60204 Part 1:1992 Section 10.7
VDE 0113 Part 1 only applies for a transitional period and will be replaced by EN 60204.
EMERGENCY STOP
In accordance with EN 418, an emergency stop is a function that:
• Is intended to prevent or diminish developing or existing risks to operating personnel, and
• Is triggered by a single human action in cases where the normal stop function is not
Hazards
In the terms of EN 418, risks may arise from:
• Functional irregularities (machine malfunctions, unacceptable properties of the material to
• Normal operation.
Standard EN 2922
In accordance with the basic safety requirements of the EC Machinery Directive regarding
emergency stop, as stipulated in Subsection 6.1.1 of EN 2922, machines must be equipped
with an emergency stop device.
Basic logic functions: Emergency Stop (N2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
damage to the machine or machined materials.
suitable.
be machined, human error, etc.).
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