03.06
4.2
Mounting
4.2.1
NCU box without a fan box
NCU mounting board
Cable distributor
Battery/fan
slide-in module
Power supply
unit
Fig. 4-2
Example: complete NCU box without a fan box with NCU 561.3
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Driver
COM
module
module
198
208
265
4 Description of the NCU
PLC
module
Sheet metal housing
4.2 Mounting
50
4-41