Siemens SINAMICS G150 - Page 187

Electrical installation
4.10 Other connections
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A
187
For diagnostic purposes, the X127 LAN interface features a green and a yellow LED. These
LEDs indicate the following status information:
Table 4- 65 LED statuses for the X127 LAN interface
LED
Color
State
Description
Link port
-
Off
Missing or faulty link
Green Continuous light 10 or 100 Mbit link available
Activity port
-
Off
No activity
Yellow
Flashing light
Sending or receiving
X140: serial interface (RS232)
The AOP30 operator panel for operating/parameterizing the device can be connected via the
serial interface. The interface is located on the underside of the Control Unit.
Table 4- 66 Serial interface (RS232) X140
Pin
Designation
Technical data
2
RxD
Receive data
3 TxD Transmit data
5 Ground Ground reference
Connector type: 9-pin SUB D connector
Note
Connecting cable to the AOP30
The connection cable to AOP30 may only contain the three contacts which are shown in the
drawing; a completely allocated cable may not be used.