Technical information

– INTRODUCTION – – INFRANOR V ariable–Speed Drive –
21/04/95
01T00357
16
Page
c. Power board with BIPOLAR STAGE :
Transformer
Prise
Fuse
Connector
A
B
A
B
A
B
Order
A 470 pF
B
330 k
Ω
B 100 pF
Current rating / Type of motor
10A / L x 310 18A / LD 620
25A / LD 640
LD 825
45A / LD 825
1 nF
150 k
Ω
220 pF
1.2 nF
110 k
Ω
220 pF
560 pF
220 k
Ω
100 pF
Current loop
matching
Fuse
Power transistors
F1
F2