Dynamic brake resistor considerations, Dynamic brake resistor considerations -14 – Rockwell Automation 20D PowerFlex 700S Drive Ph I Control, Frames 1...11 User Manual
Page 28

1-14
Installation/Wiring
Table 1.E Terminal Block Descriptions
Dynamic Brake Resistor Considerations
Figure 1.5 External Brake Resistor Circuitry
Terminal
Description
Notes
BR1
DC Brake (+)
Dynamic Brake Resistor Connection (+)
BR2
DC Brake (–)
Dynamic Brake Resistor Connection (–)
DC+
DC Bus (+)
DC Input Power or Dynamic Brake Chopper
DC–
DC Bus (–)
DC Input Power or Dynamic Brake Chopper
PE
PE Ground
Refer to
for location on 3 Frame drives
PS+
Aux +
Auxiliary Control Voltage. See
(1)
(1)
Auxiliary power:
UL Installation - 300V DC,
±
10%, Non UL Installation - 270-600V DC,
±
10%.
1-3 Frame - 40 W, 165 mA, 5 Frame - 80 W, 90 mA
PS-
Aux -
Auxiliary Control Voltage. See
(1)
Motor Ground
Refer to
for location on 3 Frame drives
U
U (T1)
To motor
V
V (T2)
To motor
W
W (T3)
To motor
R
R (L1)
AC Line Input Power
Three-Phase = R, S & T
Single-Phase = R & S
S
S (L2)
T
T (L3)
!
ATTENTION: The drive does not offer protection for
externally mounted brake resistors. A risk of fire exists if
external braking resistors are not protected. External resistor
packages must be self-protected from over temperature or a
circuit equivalent to the one shown below must be supplied.
Power On
R (L1)
S (L2)
T (L3)
Power Source
DB Resistor Thermostat
Power Off
M
M
(Input Contactor) M
Three-Phase
AC Input