Rockwell Automation 23P PowerFlex DC Stand Alone Regulator and Gate Amplifier - Manual (Page 57)

Rockwell Automation Publication 23P-UM001D-EN-P - July 2012 57
Gate Amplifier Installation and Wiring Chapter 3
Figure 24 - Cascading Gate Amplifiers Using the SD3000 PLUS, Mixed
Configuration
REV Output Cables
SD3K-CBLGSCLIRxxx
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
+
-
FWD
REV
Ext. P/S
120VAC
SD3000 PLUS
RCV
XMIT
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.