40 / 157 V3.3 11.07.2007 KRC-AD-KRC2ed05-BA en
KR C2 edition05
Connection panel
The motor connection X7 is used for:
 Heavy-duty robots
 Robots with high payloads
2.9.1 Power supply connection X1/XS1
Description The robot controller can be connected to the mains via the following connec-
tions:
 X1 Harting connector on the connection panel
 XS1 CEE connector; the cable is led out of the robot controller (optional)
Fig. 2-28: KR C2 ed05 connection panel
1 X1/XS1 power supply connec-
tion
9 Optional
2 X20 motor connection 10 X19 KCP connection
3 X7 motor connection 11 X21 RDC connection
4 Optional 12 PE1 ground conductor to the 
robot
5 Optional 13 PE2 main infeed ground con-
ductor
6 Optional 14 X30 motor connection on the 
robot base
7 X11 customer interface 15 X30.2 motor connection on the 
robot base
8 Optional 16 X31 RDC connection on the 
robot base
All contactor, relay and valve coils that are connected to the robot controller 
by the user must be equipped with suitable suppressor diodes. RC elements 
and VCR resistors are not suitable.