Emergency Off (N2); Brief Description - Siemens SINUMERIK 802D sl Function Manual

EMERGENCY OFF (N2)

14.1

Brief description

Note
It is the duty of the machine manufacturer to observe national and international standards
(see the notes on standards in the following paragraph). The SINUMERIK 802D sl supports
the machine manufacturer in the implementation of the EMERGENCY STOP function in
accordance with the specifications in this Description of Functions. The responsibility for the
EMERGENCY STOP function (its triggering, execution and acknowledgment) rests
exclusively with the machine manufacturer.
Note
Particular reference should be made to the following standards for the EMERGENCY STOP
function:
• EN ISO 12100-1
• EN ISO 12100-2
• EN 418
• EN 60204-1
EMERGENCY STOP in the control system
The control system supports the machine manufacturer in implementing an EMERGENCY
STOP function on the basis of the following features:
● Activation of EMERGENCY STOP sequence in the NC via a PLC input.
● The EMERGENCY STOP procedure in the NC reduces the speed of all axes and
● Unlocking of the EMERGENCY STOP button does not reset the EMERGENCY STOP
● After the EMERGENCY STOP state has been cancelled, it is not necessary to reference
EMERGENCY STOP pushbutton
The Siemens machine control panel (MCP) for 802D sl is equipped with a mushroomhead
pushbutton (emergency stop button with one NC and one NO contact each) referred to
below as the EMERGENCY STOP pushbutton.
Turning, Milling, Nibbling
Function Manual, 11/2012, 6FC5397-1CP10-5BA0
spindles as quickly as possible.
state. Resetting the control device does not restart the machine.
axes or synchronize spindles (positions are corrected).
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