Conditions For Connecting The Ps And Cpu - Siemens CPU 313C Hardware And Installation Manual

S7-300 automation system
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To wire the S7-300, you require the tools and materials listed in the table below.
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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 7-2
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

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
IRU 
Wrench (size 10)
Protective conductor cable (cross-
2
section ≥ 10 mm
) 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
A5E00105492-03

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