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HD65 & HD130 STEPPER DRIVES USER GUIDE 5
Transformer
Primary
Connections
Standard Digiplan mains transformers for HD series drives have a
four-winding primary arrangement as shown below. The table
shows the primary voltages which can be selected, the sample
connections being for 240v AC. Always wire the transformer primary
first, then check the secondary output voltages on open-circuit
BEFORE connecting to the drive.
20 20
10
20 20
11 12
110
56
110 110
7
8
120 120
1
120 120
34
110
00
0
16
2
9
0
14
1513
Figure 2. Transformer Primary Windings
Input Voltage AC Line 1 AC Line 2 Links
100 1 9 1, 2, 3 & 4; 9, 10, 11 & 12
110 5 13 5, 6, 7 & 8; 13, 14,15 & 16
120 1 13 1, 2, 3 & 4; 13, 14,15 & 16
200 1 10 9 & 2; 11 & 4; 1 & 3;10 & 12
220 5 14 13 & 6; 15 & 8; 5 & 7; 14 & 16
230 1 14 1 & 3; 13 & 6; 15 & 8; 14 & 16
240 1 14 1 & 3; 13 & 2; 15 & 4; 14 & 16
360 5 12 9 & 6; 10 & 7; 11 & 8
380 5 16 9 & 6; 10 & 7; 11 & 8
400 1 12 9 & 2; 10 & 3; 11 & 4
420 1 16 9 & 2; 10 & 3; 11 & 4
440 5 16 13 & 6; 14 & 7; 15 & 8
460 5 16 13 & 6; 14 & 3; 15 & 4
480 1 16 13 & 2; 14 & 3; 15 & 4