Communication modules
6.3 GDM memory module CP52M0
SIMATIC TDC hardware
138 System Manual, 08/2017, A5E01114865-AL
Control and display elements
LED displays
The CP52M0 GDM memory module is equipped with 8 LEDs.
H1 and H2 provide information on the current operating state of the CP52M0 GDM memory
module
Table 6- 9 LED displays of the CP52M0 GDM memory module
H3 (green) and H4 (red) Display of error states (see Status and fault dis-
plays (Page 132))
H7 (green) and H8 (green)
Figure 6-6 Front panel of CP52M0