Siemens SINAMICS S120 Manual page 50

Control Units and operating elements
4.3 Control Unit CU320-2 PN (PROFINET)
The CU320-2 PN has the following interfaces (ports):
Table 4-1
Type
Isolated digital inputs
Non-isolated digital inputs/outputs
DRIVE-CLiQ interfaces
PROFINET interfaces
LAN (Ethernet)
Serial interface (RS232)
Option slot
Measuring terminals
48
Overview of the CU320-2 PN interfaces
Quantity
12
8
4
2
1
1
1
3
Control Units and additional system components
Equipment Manual, 06/2020, 6SL3097-5AH00-0BP2