Siemens SINAMICS G150 Operating Instructions Manual page 186

Electrical installation
4.10 Other connections
Note
Ensuring the function of digital inputs
An open input is interpreted as "low".
To enable the digital inputs (DI) to function, terminal M2 must be connected.
This is achieved through one of the following measures:
1. Also route the reference ground of the digital inputs.
2. A jumper to terminal M. (Note: This removes the electrical isolation for these digital
inputs.)
Note
If the 24 V supply is briefly interrupted, then the digital outputs are deactivated during this
time.
X127: LAN (Ethernet)
Table 4- 64
Connector type: RJ45 socket
Note
The LAN (Ethernet) interface does not support Auto MDI(X). For this reason, only crossover
cables may be used to connect devices.
186
X127 LAN (Ethernet)
Pin Designation
1 TXP
2 TXN
3 RXP
4 Reserved, do not use
5 Reserved, do not use
6 RXN
7 Reserved, do not use
8 Reserved, do not use
Technical data
Ethernet transmit data +
Ethernet transmit data -
Ethernet receive data +
Ethernet receive data -
Operating Instructions, 07/2016, A5E03347396A
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