Rockwell Automation Publication 20P-TG004C-EN-P - September 2021
127
Circuit Board Layouts and Connections
Appendix B
Table 21 - Pulse Transformer Board to Current Transducer Connections
Switching Power Supply
Board
Figure 30 - Switching Power Supply Board Layout
Table 22 - Switching Power Supply Board to Control Board Connections
See Pulse Transformer Board to Switching Power Supply Connections on page
Pulse
Transformer
Board Connector
Pin Number
to Pin Number
Current Transducer Description
XTA
1
…
Red
CT on Phase U
Secondary side CT phase U
2
…
White
3
…
Red
CT on Phase W
Secondary side CT phase W
4
…
White
XA
1
2
15
16
XSW
1
4
XSW1
1
4
XV
1C2
1D2
F1
XUV
1
6
Switching Power
Supply Board
Connector
Pin Number
to Pin Number
Control Board
Connector
Description
XA
1
…
1
XA
+5V
2
…
2
5V common
3
…
3
+5V
4
…
4
5V common
5
…
5
+5V
6
…
6
5V common
7
…
7
SMPS supply input undervoltage
8
…
8
9
…
9
+15V
10
…
10
11
…
11
15V common
12
…
12
13
…
13
-15V
14
…
14
15
…
15
24V common
16
…
16
+24V