Siemens SINUMERIK 810DE powerline Equipment Manual page 94

7 NCU Terminal Block
Connection to the
The terminal block is connected to connector X20 on the drive bus of the last
drive bus drive module via round cables. These cables are available in different lengths.
(cable lengths 1, 2, 5, and 10 m). Up to 2 terminal blocks can be operated (in
accordance with the available NCK addresses for rapid analog and digital I/Os).
The round cables are also used in conjunction with individual terminal blocks.
Important
!
Please make sure that the total length of the cable connections does not
exceed 10 m.
SIEMENS
SIMODRIVE
Power supply 810D
(I/R or OI)
Fig. 7-2 Connection of NCU terminal block
Terminator
The drive bus terminator must be plugged into slot X21 on the last NCU terminal
block.
PE conductor
When the PE and interference conductors are in common, the PE conductor
rules in EN 61800-5-1 must be followed. PE conductor connection, see fig. 7-1.
7-92
611 control
plug-in unit
Note:
If there are EMC problems, attach the shield of
LDC
the drive bus cable to the drive module (above).
SINUMERIK 810D Equipment Manual Configuration CCU (PHC) – 03/2006 Edition
Up to 2 NCU terminal
blocks can be connected
Termination
connector
Drive bus max.
length 10 m
Copyright © Siemens AG 2006