X140 Serial Interface (Rs 232) - Siemens SINAMICS Equipment Manual

Control Units
3.1 Control Unit CU320-2 PN (PROFINET)
For diagnostic purposes, the X127 LAN interface features a green and a yellow LED. These
LEDs indicate the following status information:
Table 3-7
LED
Link port
Activity port
3.1.2.7

X140 serial interface (RS 232)

An external display and operator device for operator control/parameterization can be
connected via the serial interface. The interface is located on the underside of the Control Unit.
Table 3-8
Connector type: 9-pin SUB D connector
20
LED statuses for the X127 LAN interface
Color
-
Green
-
Yellow
X140 serial interface (RS232)
Pin
1
2
3
4
9
5
6
7
8
1
9
Status Description
Off Missing or faulty link
Continuous light 10 or 100 Mbit link available
Off No activity
Flashing light Sending or receiving
Signal name
Reserved, do not use
RxD
TxD
Reserved, do not use
Ground
Reserved, do not use
Reserved, do not use
Reserved, do not use
Reserved, do not use
Technical data
-
Receive data
Send data
-
Ground reference
-
-
-
-
Supplementary component descriptions
Manual, 06/2019