Figure 8-4: Assignment Of M12 Plug Connector At The Motor Starter - Siemens SIMATIC ET 200pro Quick Manual

Auxiliary current circuits
On an ET 200pro motor starter, there are the following auxiliary current circuits:
• 1L+: Electronics voltage supply via the rear wall bus module to supply elec-
tronics and connected sensors at the inputs IN 1 to IN 4.
• 2L+: Load voltage supply (DC 24 V) via the rear wall bus module for activation
of the contactor.
• Sensor supply via M12 plug connector. Connections 2 and 4 are jumpered.
Connection 5 is connected to the function ground inside the device.
The following diagram shows the assignment
+24 V
DI x

Figure 8-4: Assignment of M12 plug connector at the motor starter

SIMATIC – ET 200pro motor starter
GWA 4NEB 950 5661-02 DS 04
1 2
DI x
0 V
4 3
5
FE (function ground)
8-7