CPU 1517H-3 PN (6ES7517-3HP00-0AB0)
Equipment Manual, 11/2019, A5E42011886-AB
25
Connecting
3
3.1
Terminal assignment
This section provides information on the terminal assignment of the individual interfaces and
the block diagram of the CPU 1517H-3 PN.
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 3- 1
Pin assignment 24 V DC supply voltage
View
Signal name
1)
Description
Connector
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)
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
You can find information on the various supply options in the system manual for Redundant
System S7-1500R/H (
https://support.industry.siemens.com/cs/ww/en/view/109754833
