Siemens SINUMERIK 840D sl Manuale dell'apparecchiatura - Pagina 14

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Siemens SINUMERIK 840D sl Manuale dell'apparecchiatura
Description
Press the red emergency stop button in emergencies when
• people are at risk
• there is the risk of machines or the workpiece being damaged
As a rule, when operating the emergency stop button, all drives are brought to a standstill with
maximum braking torque.
For other responses to an emergency stop, please refer to the machine tool manufacturer's
instructions.
Risk of death resulting from the premature emergency stop unlocking
If you shut down the system to be monitored, you can only release the emergency stop button
or put the system to be monitored back into operation if the condition that triggered the
emergency stop function has been corrected and a safe restart is ensured.
Contact blocks with different contact configurations are available from RAFI under the name
'RAFIX 22 QR, contact block'.
Emergency stop circuit
EMERGENCY
STOP
Figure 2-1
Validity
The following description applies to the following emergency stop button and contact blocks:
SINUMERIK MCP emergency
stop button
SINUMERIK emergency stop
contact block
14
WARNING
3
4
Emergency stop circuit
Designation
Actuating element mushroom pushbutton, di‐
am. 40 mm, installation diam. 22 mm, latch‐
ing, rotate-to-unlatch mechanism, red with
holder, non-illuminated
Contact block with 2 contacts, 1 NO contact +
1 NC contact, screw terminal
1
3
1
2
4
2
Characteristics
Article number
6FC5347-0AF20-1AA1
6FC5347-0AF20-2AA1
Emergency stop button
Equipment Manual, 10/2020, A5E49939755B AA