Siemens SIMATIC S7-1500 CPU 1511-1 PN

CPU 1511-1 PN (6ES7511-1AL03-0AB0)
Equipment Manual, 11/2022, A5E40869673-AC
30
Connecting up
4
This section provides information on the pin assignment of the individual interfaces and the
block diagram of the CPU.
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 signal names and the descriptions of the pin assignment of
the24VDC supply voltage.
Table 4-1Pin assignment24VDC supply voltage
View
Connector
Signal name
1)
Description
1 1L+ +24VDC of the supply voltage
2 1M Ground of the supply voltage
3 2M Ground of the supply voltage for loop-through
2)




//
00
Figure 
4 2L+ +24VDC of the supply voltage for loop-through
2)
1)
1L+ and 2L+ as well as 1M and 2M are bridged internally
2)
Maximum 10A permitted
If the CPU is supplied by a system power supply, it is not necessary to connect the 24V
supply.