Wiring Conditions For Front Connectors - Siemens CPU 313C Hardware And Installation Manual

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Table 7-3
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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
S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03

Wiring conditions for front connectors

20-pin
No
2
0.25 mm
2
0.25 mm
1 conductor, or 2 conductors
up to 1.5 mm
common wire end ferrule
max. 3.1 mm
6 mm
Version A, 5 mm to 7 mm
length
Version E, up to 6 mm long
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40-pin
No
2
to 1.5 mm 0.25 mm
2
to 1.5 mm 0.25 mm
•
1 conductor, or 2 conductors
2
(total) in a up to 0.75 mm
common wire end ferrule
•
•
6 mm
Version A, 5 mm to 7 mm
length
Version E, up to 6 mm long
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2 2
to 0.75 mm
2 2
to 0.75 mm
Potential supply: 1.5 mm
2
(total) in a
max. 2.0 mm for
40 conductors
max. 3.1 mm for 20
conductors
7-3
2