03.06
6.1 NCU terminal block 6FC5211-0AA00-0AA0
6-72
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
The terminal block is connected to connector X20 on the drive bus of the last
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.
SIMODRIVE
NCU MSD FD
SIEMENS
Up to 2 NCU terminal
blocks can be connected
Round cable
I/R
Termination
connector
Drive bus
max. length
10 m
Device bus
Connection PROFIBUS DP terminal block
Fig. 6-2 Connection of terminal block to 840D
The termination connector must be plugged into slot X21 on the last NCU termi-
nal block.
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. 6-1.
Connection to the
drive bus
Terminator
Protective
conductor
6 Terminal Block
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