Issue 08/03 
 
MICROMASTER 440 
6SE6400-5GA00-0BP0
 
Quick Start Guide  35 
 
3.1.2  Frame Size D to Frame Size F 
 
1 Remove SDP or 
BOP by pressing 
button.
2 Remove retaining 
screw over options 
well
5 Use flat blade 
screwdriver to 
release I/O board
50/60 Hz DIP 
switch right 
hand switch.
Down = 50Hz, 
Up = 60Hz
6 Move DIP switch 2(2) 
according to nominal 
motor frequency
4 Lift out adapter 
board revealing I/O 
board
3 Release adapter board 
by pressing blue lever 
towards top of drive
Once released you 
can grip the board 
here and remove
 
Figure 3-2 Removing the I/O board on Frame Size D to Frame Size F MM440 
NOTE 
Example shown is Frame Size D; Frame Size E & Frame Size F are similar. 
3.1.3  Frame Size FX to Frame Size GX 
For Frame Size FX & Frame Size GX, locate the I/O board and follow the same procedure as for 
Frame Size A. 
www . ElectricalPartManuals . com