Siemens S120 - X22 Serial Interface (RS232)

Control Units, Control Unit Adapters and operating components
7.3 Control Unit CU310-2 PN (PROFINET)
AC Drive
264 Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
The interface to the Power Module is located at the rear of the CU310-2 PN.
Figure 7-3 CU310-2 PN interface to the Power Module (PM-IF)
7.3.2.2
X22 serial interface (RS232)
Table 7- 2 X22 serial interface (RS232)
Pin
Signal name
Technical data
1 Reserved, do not use
2
XRXD_RS232
Receive data
3 XTXD_RS232 Transmit data
4
Reserved, do not use
5
GND
Ground
6
Reserved, do not use
7
Reserved, do not use
8
Reserved, do not use
9 Reserved, do not use
Connector type
9-pin SUB D connector
Features
The maximum data rate is:
● 120 kBaud at a load capacity of 1.0 nF
● 20 kBaud at a load capacity of 2.5 nF