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Copyright © Siemens AG 2006
SINUMERIK 810D Equipment Manual Configuration CCU (PHC) – 03/2006 Edition
X Drive bus interface
Connector name: X20 (IN) X21 (OUT)
Connector type: 36-pole micro ribbon
Special features: Non-isolated, no protective separation
Caution: Max. length of the drive bus is 10 m
Module connector
Connector name: X11 ... X18 (slots 1 ... 8)
Connector type: 30-pole male connector ELCO Microleaf
Table 7-2 Technical data of the NCU terminal block
Mechanical data
Dimensions Height Width Depth
100 mm 257 mm 40 mm
Weight Approx. 0.5 kg
Ambient conditions
Degree of protection IP20 or IPXXB
Power consumption (24 V)
During operation 150 –500 mA
X20/X21
X11–X18
7 NCU Terminal Block
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