Dc input precharge control wiring – Rockwell Automation 20D PowerFlex 700H/S Frame 12 Replacement Power Structure User Manual
Page 25

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
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.)