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

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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

Figure 1.4

for location on 3 Frame drives

PS+

Aux +

Auxiliary Control Voltage. See

Table 1.D on page 1-11

(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

Table 1.D on page 1-11

(1)

Motor Ground

Refer to

Figure 1.3

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

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