Siemens SIMATIC ET 200AL System Manual page 53

5.7 Wiring
Connection
Connect all cables to the front side of the modules:
• Supply voltage and ET-Connection to the 4-pin M8 round sockets and M8 round
connectors
• Signal lines to the 3-pin M8 or 4/5-pin M12 round sockets
• Fieldbus lines to the 4/5 pole M12 round sockets and M12 round connectors
Note
Color coding
The sockets for ET-Connection and the power supply of the modules are color-coded. These
colors correspond to the colors of the offered cables.
Requirement
Wire the modules with the supply voltage off.
Required tools
If you are not using pre-assembled cables, you need the following tools:
• Stripping tool
• Screwdriver to wire the connection plugs
• Stripping Tool for ET-Connection
Required accessories when connecting the supply voltage
You need the following accessories:
• Cables
– Pre-assembled power cable, M8, 4-pin, or
– Flexible 4-wire copper cable (wire cross section: 0.25 to 0.5 mm
• 4-pin M8 connection plug
Distributed I/O system
System Manual, 08/2021, A5E31861578-AJ
Connecting
5.7 Wiring
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