Volume No.
Description
Adjustment
Check pin val
ue
VR2
U phase current feedback
zero adjustment
CH40-OM
f5
mV or
V phase current feedback
less
VR3
zero adjustment
CH41-OM
(Note) When replacing the SF-CA card, first remove the
E2ROM from the old card and then mount it on the
new card.
2.5
Checking transistor module (This method is the same both
in the power side and regeneration side.)
(a) 75 A or less
(b)
100 A or more
0
‘>
L,
1,:
1
Ii
I
(I
ti
2
(Note) The following figure shows the relationship between
the terminal symbols and circuit diagram of the
above transistor module.
Cl
0
T
-
65
-