Siemens Simatic S7-1500

Hardware section
2.3 Wiring
S7-1500
24 Getting Started, 05/2014, A5E03981761-AC
2.3.4
Wiring the load current supply (PM) to the CPU
Procedure
1. Wire the 4-pin connector plug of the load current supply (PM).
2. Wire the 4-pin connector plug with the 4-pin mains connection plug of the CPU.
3. Connect the load current supply (PM) to the CPU.
Result
The load current supply is now wired to the CPU.