Description 
  1.5 Representation of SIMOTION D425-2 DP/PN and D435-2 DP/PN 
SIMOTION D4x5-2 
Manual, 02/2012 
25 
 
CAUTION 
 
SIMOTION D425-2 DP/PN and D435-2 DP/PN must be operated with a double fan/battery 
module for heat dissipation. Without this module, the Control Units will not start up and 
cannot be commissioned. 
 
Information on how to install the double fan/battery module can be found in "Supplementary 
system components", in Section Installing the fan/battery module (Page 95). 
 
 
Note 
The SIMOTION D425-2 DP/PN and D435-2 DP/PN are supplied with pre-assembled 
spacers. They can be removed if necessary. 
For further details, see the 
SIMOTION D4x5-2
 Commissioning and Hardware Installation 
Manual.