Siemens SINUMERIK 840D User Manual

03.06
4.2 Mounting
4-44
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition


Fan box
!
Warning
 Only trained personnel may replace a fan box. The regulations for handling
electrostatic sensitive devices must be observed.
 Completely switch off the system. Check that it is safely isolated from the
supply and safeguard against unauthorized switch-on.
4 Descri
p
tion of the NCU

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB