Siemens SINAMICS G150 Operating Instructions Manual page 196

Electrical installation
4.11 Other connections
For diagnostic purposes, the two PROFINET interfaces are each equipped with a green and
a yellow LED. These LEDs indicate the following status information:
Table 4- 81 LED states on the X150 P1/P2 PROFINET interface
LED Color
Link port -
Green
Activity port -
Yellow
T0, T1, T2: Measuring sockets
Table 4- 82 Measuring sockets T0, T1, T2
T0
T1
T2
M
The measurement sockets are only suitable for bunch pin plugs with a diameter of 2 mm.
Note
The measuring sockets support commissioning and diagnostic functions. It must not be
connected for normal operation.
The use of the measuring sockets is shown in function diagram FP8134 in the List Manual.
194
State Description
Off Missing or faulty link
Continuous 10 or 100 Mbit link available
light
Off No activity
Flashing Data is being received or sent at port x
light
Socket Function
Measuring socket 0
Measuring socket 1
Measuring socket 2
Ground
Technical data
Voltage: 0 ... 5 V
Resolution: 8 bits
Load current: max. 3 mA
Continued-short-circuit-proof
The reference potential is terminal M
Operating Instructions, 03/2012, A5E03263466A
Converter cabinet units