![Rockwell Automation Allen-Bradley PowerFlex 20P Manual Download Page 118](http://html.mh-extra.com/html/rockwell-automation/allen-bradley-powerflex-20p/allen-bradley-powerflex-20p_manual_1475484118.webp)
118
Rockwell Automation Publication 20P-TG004C-EN-P - September 2021
Appendix A
Schematics
Figure 18 - Field Board and SCR/Dual Diode Module Connections Diagram
Figure 19 - Field Control Circuit Diagram
V1
U1
V2
470K
470K
470K
470K
470K
470K
470K
470K
1V1
1U1
X3-2
X3-1
100R
100R
100R
100R
T1
T2
D1
D2
MOD2
MOD1
K1
G1
K2
G2
XFCD-1
XFCD-2
XFCD-3
XFCD-4
TA_1
M
TA1
M
D1
C1
To Pulse
Transformer
Board X3
Connector
Incoming AC Line
To Motor Field Connections
+15 V
-15 V
XFCD-1
XFCD-3
XFCD-4
LB
S14-8
S14-7
S14-6 S14-5
S14-4 S14-3 S14-2
S14-1
XFCD-2
LA
1210
845
845
1000
1000
1000
120
47.5
1000
1800
1800
1800
1800
1800
1800