Wiring Rules - Siemens SIMATIC S7-1500 System Manual

5.4

Wiring rules

Table 5- 2 Wiring rules for CPU, interface module, system power supply and load current supply
Wiring rules for...
Connectible conductor cross-sections for solid wires
Connectible conductor
cross-sections for stranded
wires
Number of wires per connection
Length of stripped wires
End sleeves according to
DIN 46228
Sheath diameter
Tool
Connection system
Tightening torque
* American Wire Gauge
Automation system
System Manual, 12/2014, A5E03461182-AC
-
-
Without end sleeve 0.25 to 2.5 mm
AWG
With end sleeve 0.25 to 1.5 mm
AWG
1
10 to 11 mm
without plastic sleeve Design A, 10 mm long
with plastic sleeve Design E, 10 mm long
0.25 to 1.5 mm
2
-
3 to 3.5 mm screwdriver, conic
design
Push-in terminal
-
CPU/interface module
2
: 24 to 16
*
2
: 24 to 16
*
5.4 Wiring rules
System power and load current
supply
-
-
1.5 mm
2
AWG : 16
*
1.5 mm
2
AWG : 16
*
1
7 to 8 mm
Design A, 7 mm long
Design A, 7 mm long
8.5 mm
3 to 3.5 mm screwdriver, conic
design
Screw terminal
from 0.5 Nm to 0.6 Nm
Wiring
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