Siemens SIMATIC S7-300 - Manual (Page 10)

1 Welcome
6
SIMATIC S7-300 Getting Started for First Time Users
Getting Started, 04/2007, 6ZB5310-0NC02-0BA0
• In addition, you will need the following components:
Quantity Item
Order number
(Siemens)
1 Power supply 6ES7307-1EA00-0AA0
1 PC with USB interface -
1 STEP 7 Lite V3.0 + Service Pack 2 Can be downloaded free
of charge on the Internet
various M6 screws and nuts (length depends on installa-
tion location) with suitable screwdriver/wrench Commercially available
1 Screwdrivers with 3.5 mm and 4.5 mm blade
widths Commercially available
1 Diagonal cutters and wire stripping tool Commercially available
1 Crimp tool Commercially available
X m Cable with 10 mm 2 cross-section for grounding
the mounting rail and suitable cable lug for M6
screw. Length of cable depends on local condi-
tions
Commercially available
Approxi-
mately 2 m Flexible cable with 1 mm 2 cross-section and
suitable ferrules with insulated collar, length
6 mm
Commercially available
X m 3-wire flexible network cable (230/120 VAC) with
grounding-type socket plug; length dependent
on local conditions and suitable ferrules with
insulating collar Commercially available
4 Single-pole momentary contact switch
(24 V, 2 A) Commercially available
1 Motor, including accessories (optional)
You can find technical specifications for the
CPU 312C in the “CPU 31xC and CPU 31x:
Technical Specifications” Manual available on
the Internet at http://www.siemens.com/automa-
tion/service&support. Commercially available
Note
You can also use the
CPU 312C with an extra-low
voltage that is safely isolated
from the supply system. Safe
isolation can be achieved, for
example, in accordance with
VDE 0100 Part 410 / HD 384-
4-41 / IEC 364-4-41 or
VDE 0805 / EN 60950 /
IEC 950 or VDE 0106
Part 101.