Leave the other ends of the control cable shields unconnected or ground them indirectly
via a high-frequency capacitor with a few nanofarads, eg, 3.3 nF / 630 V. The shield
can also be grounded directly at both ends if they are in the same ground line with no
significant voltage drop between the end points.
Connect the conductors to the appropriate terminals (see Default I/O connection
diagram (page 141)) of the control unit or with option +L504 to the detachable terminal
block X504.
￭ Connecting the emergency stop push buttons (options +Q951 and
+Q963)
See the circuit diagrams delivered with the drive for connecting the emergency stop
circuit and the user manuals of the options.
Frames R6…R9
Internal connections
1
2
3*
4*
5*
6*
7
8
9
10
X951
6
1
2
1
3
2
3
4
5
7
Emergency stop push button on the cabinet
door
1
Emergency stop push button on the cabinet
door
2
Emergency stop circuit3
Emergency stop reset button on the cabinet
door
4
Emergency stop indication on the cabinet
door
5
Customer connections
Customer external emergency stop button6
Customer external emergency stop reset7
Remove bridges 3–4 and 5–6 if there is an
external emergency stop button. The bridge
connections are installed only if the cabinet
door push button is in use.
*
132 Electrical installation
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