Owner manual

Chapter 3
Hardware Description
40 – 100 HP, 230VAC 75 – 200 HP, 460VAC
3-6
Figure 3.4
Field Bridge Components
Feedback
Board A1
TB-1
89
TB-1
1
2
3
4
5
L1
L2
L3
From
Fig. 3.2
Field L1
Field L3
L1
L2
L3
3MOV
PM7
L3 G2
PM8
G1 F2 L1 G1 G2 F1
1
2
3
4
5
6
7
Field Pulse Transformer
and Snubber Board
A5
2MOV
CH8
8
9
10
TB-2
See
Fig.
3.12
To
Motor
Field
Leads
F+
F–
FCT
Note: Phase Sensitive
See Fig 6.9