Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control User Manual
Page 402
6-58
Component Definition and Maintenance
7000L-UM300I-EN-P – June 2013
7000 “C” Frame
120V, single phase
AC
FAIL
6
20V
UPS
2kVA
UPS
on
bypass
batt low
on
batt
AC
FAIL
DC
FAIL
Pumps
Printer
PanelView
Relays/contactor
DC/DC
CONVERTER
C hold-up
+24V - I/O
+5V - LOGIC
+/-15V - LOGIC
+/-24V - LEM
+12V - SCANPORT
+15V - TACH
+15V - SPGDB TEST
Pump supply
is XXXV,
3 phase
3 phase
transformer
XXXV/208V
3 phase,4 wire
XXXVAC
AC/DC
CONVERTER
56 VDC
@
300W
AC/DC
CONVERTER
56V DC
@
1500W
20 V
ISOLATED
GATE DRIVER
POWER SUPPLY
DC/DC
FAIL
DC/DC
WARN
SPGDB P/S
FAIL
DC
FAIL
(Optional)
Figure 6.46 – Standard PowerFlex 7000L Control Power Distribution (with UPS option)
To reduce the size of UPS needed, the loads on the AC/DC converters
are separated into two distinct loads: the IGDPS boards and the
DC/DC power supply. The IGDPS load is only needed when the
drive is in the normal operating mode and running the motor. During
interruption of control and medium voltage, the IGDPS load demand
on the AC/DC will be not be required. Only the DC/DC will remain
energized for an extended period of time after loss of control power.
The DC/DC converter will power the main control boards and keeps
them fully functional.
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