X22 Serial Interface (Rs232) - Siemens S120 Manual

Control Units, Control Unit Adapters and operating components
7.4 Control Unit CU310-2 DP (PROFIBUS)
7.4.2.4

X22 serial interface (RS232)

Table 7- 24 X22 serial interface (RS232)
Pin
1
2
3
4
5
6
7
8
9
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
292
Signal name
Reserved, do not use
XRXD_RS232
XTXD_RS232
Reserved, do not use
GND
Reserved, do not use
Reserved, do not use
Reserved, do not use
Reserved, do not use
Technical data
Receive data
Transmit data
Ground
Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
AC Drive