Wiring
7.5 Wiring rules
Automation system
162 System Manual, 01/2023, A5E03461182-AK
7.5 Wiring rules
Introduction
Use suitable cables for connecting the S7-1500 automation system/ET 200MP distributed I/O
system. Also select the cable insulation corresponding to the applied voltage. The following
tables present the wiring rules for the CPU, interface module, system power supply, load
current supply, front connector and power supply elements.
CPU, interface module, system power supply and load current supply
Table 7- 2 Wiring rules for CPU, interface module, system power supply and load current supply
Wiring rules for ... CPU/interface module System power and load cur-
Permitted cable cross-sections of solid cables (Cu)
sections of flexible cables
(Cu)
sleeve
2
2
*
*
*
*
Number of wires per connection
Stripped length of the wires
DIN 46228
with plastic sleeve 0.25
to 1.5 mm
2
3 to 3.5 mm screwdriver, conic
design
3 to 3.5 mm screwdriver, conic
design