Dc input precharge control wiring – Rockwell Automation 20D PowerFlex 700H/S Frame 12 Replacement Power Structure User Manual

Page 25

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PowerFlex® 700S and 700H Frame 12 Replacement Power Structures

25

DC Input Precharge Control Wiring

If you are installing a DC input drive with a precharge interlock you must
make the following connections on the X50 terminal block from the
precharge circuit. Refer to

Figure 10

below for additional information.

Frame 12 - X50 Terminal Block Connections

Figure 10 Sample Precharge Wiring Diagram

ASIC Board Charge Relay Contact Ratings

X50 Terminal Block Terminal

Description

Power Module 1
3

Charge Relay Contact (Jumper to Power Module 2 Terminal 4)

4

Charge Relay Contact

1

Precharge Complete Signal (+24V DC)

2

Precharge Complete Signal (Common)

Power Module 2
3

Charge Relay Contact

4

Charge Relay Contact (Jumper to Power Module 1 Terminal 21)

1

Precharge Complete Signal (+24V DC)

2

Precharge Complete Signal (Common)

1

2

3

4

ASIC

Board

#1

X9

X15

25

26

21

22

23

23

22

X15

26

21

25

Precharge
Complete*

X9

CR1

M

CR1

CR2

M

M

1

2

3

4

PU2
X50

PU1
X50

1

2

3

4

ASIC

Board

#2

Precharge
Complete*

M

*Refer to the “ASIC Board
Charge Relay Contact
Ratings” table below.

External precharge circuitry is shown as dashed lines.

M

F2

R2 CR2

DC+

DC Source

DC-

CR2

R1

F1

M

Load

Resistance load (cos

φ

= 1)

Rated load

8 A at 250 VAC: 5 A at 30 VDC

Rated carry current

8 A

Max. switching voltage

250 VAC; 30 VDC, (400 VAC)

Max. switching current

AC 8 A; DC 5 A

Max. switching power

2,000 VA; 150 W

Failure rate (reference value)

5 VDC 10 mA (for gold plating 0.35 µ min.)

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