Connecting Up - Siemens SIMATIC S7-1500 Manual

Connecting up

This section provides information on the terminal assignment of the individual interfaces and
the block diagram of the CPU 1518-4 PN/DP MFP.
24 V DC supply voltage (X80)
The connector for the power supply is plugged in when the CPU ships from the factory.
The following table shows the pin assignment for a 24 V DC power supply.
①
②
③
④
⑤
Bridged internally:
①
and
②
and
Figure 3-1
If the CPU is supplied by a system power supply, it is not necessary to connect the 24 V
supply.
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+24 V DC of the supply voltage
Ground of the supply voltage
Ground of the supply voltage for loop-through (maximum of 10 A permitted)
+24 V DC of the supply voltage for loop-through (maximum of 10 A permitted)
Spring opener (one spring opener per terminal)
④
③
Supply voltage connection
CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
Manual, 12/2017, A5E40882737-AA
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