Siemens SIMATIC S7-1500/ET 200MP Manual page 17

Connecting
3.1 Pin assignment
Circuit diagram
The figure below shows the circuit diagram of the technology module as an example using
digital inputs and outputs:
① Electrical isolation
② Technology and backplane bus interface
③ Input filter for supply voltage
④ Supply voltage via infeed element
⑤ Duplicate wiring to the ground connection of the central power supply of the system
⑥ Shield connection at the front connector
⑦ Equipotential bonding
⑧ Output circuit
⑨ Input circuit
Figure 3-2 Circuit diagram with use of digital inputs and outputs
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Technology module TM FAST (6ES7554-1AA00-0AB0)
Equipment Manual, 04/2023, A5E52301130-AA