Installation Of The Sinumerik 840D - Siemens SINUMERIK 840DE User Manual

3 Structure and Installation

3.2 Installation of the SINUMERIK 840D

3.2 Installation of the SINUMERIK 840D
Preparing for You need the following tool to assembly the SINUMERIK 840D:
installation
S
S
Note
The NCU is exclusively intended for installation in ESD-protected zones. The
ESD interference immunity limits relevant to CE compliance can only be
achieved by installation in a cabinet. Make contact only while taking suitable
ESD protective measures (see ESD information in the preface).
Assembly of the
The NCU box is installed between the SIMODRIVE power supply and the first
NCU box SIMODRIVE drive module. To secure the NCU box, two M5 screws are recom-
mended.
Fig. 3-2
Danger
!
A hazardous voltage will be present for a further 5 minutes after the system has
been shut down.
3-32
Screwdriver for slot-head screws sizes 0 and 1
Screwdriver for Torx screws M4 and M5
SIEMENS
SIMODRIVE
NCU
Power supply
(I/R or OI)
Position of the NCU in the overall configuration
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
MSD FD
© Siemens AG, 2006. All rights reserved
03.06