4
Mounting and installation
Festo – GDCP-CMCA-B-INST-EN – 1405NH – English
27
External emergency stop contacts
Connection option for external potential-free contacts for triggering the emergency stop function (e.g.
from other control areas of the same complete system).
Note
If not used
•
Bypass terminals (304 with 307 and 305 with 337).
•
Prevent an automatic restart through a higher-order safety circuit.
Terminal strip
Terminal
Description
X3
304 + 307
External emergency stop, channel 1
305 + 337
External emergency stop, channel 2
Tab. 4.8
4.2.6
External emergency stop circuits
Connections for signaling an emergency stop to other control areas of the complete system:
–
Two potential-free relay contacts are available.
–
If an emergency stop is triggered, these relay contacts are opened.
Note
The maximum current on contact is 6 A.
Terminal strip
Terminal
Description
X4
409 + 439
External emergency stop, channel 1
1)
410 + 440
External emergency stop, channel 2
2)
1)
Protected through fuse F12
2)
Protected through fuse F13
Tab. 4.9
4.2.7
Protective door switch
Connections for the contact switches of the safety doors.
The protective door signal can also be generated from another control circuit of the complete system.
Note
If not used:
•
Bypass terminals (332 with 308 and 333 with 338).
•
Prevent an automatic restart through a higher-order safety circuit.
Terminal strip
Terminal
Description
X3
332 + 308
Protective door switch, channel 1
333 + 338
Protective door switch, channel 2
Tab. 4.10