Siemens SINUMERIK 840D Maintenance Manual

FADAL MACHINING CENTERS
40 PRE-INSTALLATION PROCEDURES MAN-0126_R1
2.6.8 CONDUIT
1. The number and size of conductors in any raceway shall not be more than will
permit dissipation of the heat.
2. The conduit must allow ready installation or withdrawal of the conductors without
damage to the conductors or to their insulation.
Table 2-6: Conduit Selection
# OF
CONDUCTORS
CONDUCTOR SIZE MINIMUM SIZE OF
CONDUIT
4
10 AWG THHN (6 mm
2
)
1/2”
4
8 AWG THHN (10 mm
2
)
3/4”
4
6 AWG THHN (16 mm
2
)
3/4”
3
4 AWG THHN (25 mm
2
)
1.0”

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