Communication modules
6.3 GDM memory module CP52M0
SIMATIC TDC hardware
142 System Manual, 08/2017, A5E01114865-AL
Note
The suppressor diode 1.5KE36CA is bidirectional, and for this reason the polarity is
unimportant.
1. Install a suppressor diode between the shield and +24 .
2. Install a suppressor diode between the shield and M (ground).
Figure 6-7 Circuit for the suppressor diodes on the lightning arrestor