Wiring The Front Connector Module; Connecting The Connecting Cable And Supply Voltage To The Front Connector Module - Siemens SIMATIC TOP connect Manual

Wiring sequence
Step
1
2
3
4.3.1

Wiring the front connector module

Introduction
This section explains how to wire the front connector modules.
Note
Read section "Wiring SIMATIC TOP connect to the I/O modules (Page 37)" for special
connection examples and selection criteria for front connector modules.
Functions of the front connector module
The front connector module is used to connect the connecting cable to the I/O module. The
supply voltage cables for the modules can also be connected to the front connector module.
4.3.1.1

Connecting the connecting cable and supply voltage to the front connector module

Requirements
● Supply voltages are switched off
● Cables have been prepared in line with the terminal system used; see "Wiring rules
(Page 22)" for more on this.
Connecting the connecting cable to the front connector module
Risk of electrocution
Touching live parts can result in death or serious injury.
Before you connect a module, make sure that it is disconnected from the power supply.
System cabling for S7-300
Manual, 09/2018, 70327045899
Action
Wiring the front connector module
Connecting the connecting cable to the terminal
module
Wire the terminal module inputs and outputs
WARNING
4.3 Connecting components
See section
Wiring the front connector module
(Page 25)
Connecting the connecting cable and
supply voltage to the front connector
module (Page 25)
Connecting the connecting cable to
the terminal module (Page 33)
Connecting
25