Conditions For Connecting The Ps And Cpu - Siemens SIMATIC S7-300 Hardware And Installation Manual

Wiring
Tools and material required
To wire the S7-300, you require the tools and materials listed in the table below.
Wiring tools and materials You require ... for ...
connecting the protective conductor to the
rail
Adjusting the power supply module to mains
voltage
Wiring the power supply module and the
CPU
Wiring the front connector
Brief overview of the power supply module and CPU
Table 7-2
Connectable cables
solid conductors
flexible conductors
•
Without wire end ferrule
•
With wire end ferrule
Number of conductors per terminal
Diameter of the conductor insulation
Stripped length
Wire end ferrules to DIN 46228
•
Without insulating collar
•
With insulating collar
7-2

Conditions for connecting the PS and CPU

S7-300 Programmable Controller Hardware and Installation
Wrench (size 10)
Protective conductor cable (cross-
section • 10 mm 2
) with M6 cable lug
M6 nut, washer, spring lock washer
Screwdriver with a blade width of 4.5 mm
Screwdriver with a blade width of 3.5 mm,
side-cutter, wire stripping tool
Flexible cable, e.g. sheathed flexible cable
2
3 x 1.5 mm
If required, wire end ferrules to DIN 46228
Screwdriver with a blade width of 3.5 mm,
side-cutter, wire stripping tool
2
Flexible cable 0.25 mm to 0.75/1.5 mm
If required, shielded cables
If required, wire end ferrules to DIN 46228
to PS and CPU
No
2 2
0.25 mm to 2.5 mm
2 2
0.25 mm to 1.5 mm
1 conductor, or 2 conductors up to 1.5 mm2
(total) in a common wire end ferrule
max. 3.8 mm
11 mm
Version A, 10 mm to 12 mm length
Version E, up to 12 mm length
2
A5E00105492-02