Wiring Rules - Siemens SIMATIC S7-1500 Automation System System Manual

6.4

Wiring rules

Wiring rules
Table 6- 2 Wiring rules
Wiring rules for...
Connectible conductor cross-sections for
solid wires
Connectible Without end sleeve
conductor cross-
sections for stranded
With end sleeve
wires
Number of wires per connection
Length of stripped wires
End sleeves without plastic
according to sleeve
DIN 46228
with plastic sleeve
0.25 to 1.5 mm
Sheath diameter
Tool
Connection technology
Tightening torque
* American Wire Gauge
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01
CPU
-
-
0.25 to 1.5 mm
2
AWG : 24 to 16
*
0.25 to 1.5 mm
2
AWG : 24 to 16
*
1
10 to 11 mm
Design A, 10 mm long
Design E, 10 mm long
2
-
3 to 3.5 mm
screwdriver, conic
design
Push-in terminal
-
40-pin front connector
(screw-type connection)
up to 0.25 mm
2
AWG up to 24
*:
0.25 to 1.5 mm
2
AWG : 24 to 16
*
0.25 to 1.5 mm
2
AWG : 24 to 16
*
1 or combination of 2
wires up to 1.5 mm
2
(total) in the same end
sleeve
10 to 11 mm
Design A, 10 mm and
12 mm long
Design E, 10 mm and
12 mm long
-
3 to 3.5 mm screwdriver,
conic design
Screw terminal
from 0.4 Nm to 0.7 Nm
Wiring
6.4 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
59