Cable entry plate removal – Rockwell Automation 20A PowerFlex 70 Adjustable Frequency AC Drive User Manual
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Rockwell Automation Publication 20A-IN009D-EN-P - June 2013
21
PowerFlex 70 Adjustable Frequency AC Drive
Cable Entry Plate Removal
If additional wiring access is needed, the cable entry plate on all drive frames can
be removed. Loosen the screws securing the plate to the heat sink and slide the
plate out.
Figure 8 - Frame A, B, C, D Power Terminal Block and DC Bus Test Points
Figure 9 - Frame E Power Terminal Block
Figure 10 - Power Input Terminals on Frame B with Internal RFI Filter Option
Terminal
Description
Notes
R
R (L1)
Three-phase AC line input power.
For single-phase input, connect to any two terminals.
S
S (L2)
T
T (L3)
BR1
DC brake
DB resistor connection - Important: Do not connect both an internal and
external DB resistor at the same time. This can violate the minimum
allowed DB resistance and cause damage to the drive.
BR2
DC brake
U
U (T1)
To the motor
V
V (T2)
To the motor
W
W (T3)
To the motor
PE
PE ground
–
PE
PE ground
–
-DC DC
bus
(–)
➊
Test point on Frames A, B, C, and D are to the left or right of the power
terminal block. Frame E has a dedicated terminal.
+DC DC
bus
(+)
–
L1
R
L2
S
L3
T
BR1
+DC
BR2
BRK
T1
U
T2
V
T3
W
PE PE
-DC
-DC
➊
L1
R
L2
S
L3
T
+DC –DC BR1 BR2
T1
U
T2
V
T3
W
PE
PE
M6
M6
L1
R
L2
S
L3
T
BR1
+DC
BR2
BRK
T1
U
T2
V
T3
W
PE PE
-DC
-DC
L1
R
L2
S
L3
T