Siemens SIMATIC ET 200SP Manual page 20

Circuit diagram
You must ground the shields of the cables between the motor and the technology module via
the shield connection to the BaseUnit (shield support and terminal).
The figure below shows the block diagram of the technology module with an example using
both channels.
① Electrical isolation
② Shield support on the BaseUnit
③ Technology
④ Backplane bus interface module of the technology module
⑤ Backplane bus
⑥ LEDs per channel
⑦ Motor with drive stage
⑧ Duplicate wiring to the ground connection of the central power supply of the system
Figure 3-1 Circuit diagram
Technology module TM PTO 2x24V (6ES7138‑6EB00‑0BA0)
Equipment Manual, 09/2021, A5E50983437-AA
Connecting
3.1 Pin assignment
19