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E Siemens AG, 2002. All rights reserved
SINUMERIK 810D Manual Hardware Configuration (PHC) -- 11.02 Edition
NCU Termina l Block
6FC5 211-0AA00-0AA0
Protective
conductor
terminal
Shield plate
12345678
DMP compact module slots
X9: Connection external 24V logic supply
321
24V
X20: Interface to drive bus
X21: Interface to next NCU terminal block
4
0V
237
257
74.4
2.5 mm
2
Green status LED: 5 V OK
Yellow status LED: internal terminal block error
Red status LED: external error (drive bus coupling)
100
Depth: 40mm or 130mm (with DMP compact module)
Fig. 7-1 NCU terminal block front view
The terminal block is c onnected to the drive bus of the last drive module via the
round cable at connector X20. These cables are available in various lengths
(cable lengths 1, 2, 5 and 10m). A maximum of two terminal blocks can be
operated (in accordance with the NCK addresses available for fast analog and
digital I/O devices). The round cables are also used to connect the individual
terminal blocks.
!
Important
Ensure that the overall length of the cable connections does not exceed 10m.
Connection to the
drive bus
7
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