Siemens SINUMERIK 840D User Manual

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© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Structure and Installation
3.1 Structure of the SINUMERIK 840D
The SINUMERIK 840D consists of two components:
1. NCU box (sheet metal housing with a combined battery/fan slide-in module)
for housing the NCU module.
2. NCU module (Numeric Control Unit)
NCU module
NCU box
Fig. 3-1 Components of the SINUMERIK 840D
SINUMERIK 840D
3

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