Rockwell Automation 23P PowerFlex DC Stand Alone Regulator and Gate Amplifier - Manual (Page 56)

56 Rockwell Automation Publication 23P-UM001D-EN-P - July 2012
Chapter 3 Gate Amplifier Installation and Wiring
Figure 23 - Cascading Gate Amplifiers Using the SD3000 PLUS
REV Output Cables
SD3K-CBLGSCLIRxxx
+
-
FWD
REV
Ext. P/S
120VAC
SD3000 PLUS
FWD Output Cables
SD3K-CBLGSCLIFxxx
To Gate Amplifier,
1 of 4, SD3K-FWD Input
To Gate Amplifier,
2 of 4, SD3K-FWD Input
To Gate Amplifier,
3 of 4, SD3K-FWD Input
To Gate Amplifier,
4 of 4, SD3K-FWD Input
To Gate Amplifier,
1 of 4, SD3K-REV Input
To Gate Amplifier,
2 of 4, SD3K-REV Input
To Gate Amplifier,
3 of 4, SD3K-REV Input
To Gate Amplifier,
4 of 4, SD3K-REV Input
+
-
SD3K
FWD IN
SD3K
REV IN
PFDC
Gate Input
FWD
REV
RDY Ext. P/S
120VAC Gate Amplifier
1 of 4
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
4 of 4
From Gate Amplifier,
FWD Output
From Gate Amplifier,
REV Output
To Forward
Power Modules
To Reverse
Power Modules
Up to Four
Gate Amplifier 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.