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

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To wire the S7-300, you require the tools and materials listed in the table below.
Table 7-2
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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
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Table 7-3
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
Tools and materials for wiring

Conditions for connecting the PS and CPU

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S7-300 Automation System, Hardware and Installation: CPU 312IFM - 318-2 DP
IRU 
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
If required, shielded cables
If required, wire end ferrules to DIN 46228
WR 36 DQG &38
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 mm
(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
to 0.75/1.5 mm
2
A5E00203919-01