Rockwell Automation 23P PowerFlex DC Stand Alone Regulator and Gate Amplifier - Manual (Page 55)

Rockwell Automation Publication 23P-UM001D-EN-P - July 2012 55
Gate Amplifier Installation and Wiring Chapter 3
Figure 22 - Cascading Gate Amplifiers Using the Stand Alone Regulator, Mixed
Configuration
REV Output Cables
SD3K-CBLGSCLIRxxx
+
-
SD3K
FWD IN
SD3K
REV IN
PFDC
Gate Input
FWD
REV
RDY Ext. P/S
120VAC
Gate Amplifier
FWD Output Cables
SD3K-CBLGSCLIFxxx
To Gate Amplifier,
1 of 2, SD3K-FWD Input
To Gate Amplifier,
2 of 2, SD3K-FWD Input
To Gate Amplifier,
1 of 2, SD3K-REV Input
To Gate Amplifier,
2 of 2, SD3K-REV Input
+
-
SD3K
FWD IN
SD3K
REV IN
PFDC
Gate Input
FWD
REV
RDY Ext. P/S
120VAC Gate Amplifier
1 of 2
From Gate Amplifier,
FWD Output
From Gate Amplifier,
REV Output
To Forward
Power Modules
To Reverse
Power Modules
+
-
SD3K
FWD IN
SD3K
REV IN
PFDC
Gate Input
FWD
REV
RDY Ext. P/S
120VAC Gate Amplifier
2 of 2
From Gate Amplifier,
FWD Output
From Gate Amplifier,
REV Output
To Forward
Power Modules
To Reverse
Power Modules
To Forward
Power Modules
To Reverse
Power Modules
PowerFlex DC
Stand-alone Regulator
KPT11
(15 Pin D-Shell)
Field Supply
40 A or 70 A
(2 Quad)
To Motor
Field
Gate Cable
Caution: Do NOT use the external power supply (Ext. P/S)
when the gate pulse output is connected to the input of a
“downstream” Gate Amplifier(s). Only use the external power
supply on a final stage Gate Amplifier(s) that provides the
gate pulses to the power module.
C1 D1 D C W V U 1A1 A1 1A2 A2 1 2 3 4 5 6 7 8
KPT31 KA KP
Power Module
AC / DC
Feedback
Power Module
Armature Voltage
Feedback
Power Module
Thermostat and
CT Feedback
V1 U1
All Terminals are located
on the bottom of the unit.