Siemens SIMATIC ET 200M Operating Instructions Manual page 59

3.6.5 Configuration of the ET 200M with non-isolated modules
Potential relations in the configuration with isolated modules
The following figure shows the potential relations of an ET 200M configuration with grounded
reference potential with the isolated analog input / output module SM 334; AI 4/AO 2 x 8/8
bit.
Figure 3-14
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
Potential relations in the configuration with the isolated analog input / output module SM
334; AI 4/AO 2 x 8/8bit
Assignment planning
3.6 Configuring the electrical structure
57