Rockwell Automation 20D PowerFlex 700H/S Frame 14 Replacement Power Structures - Manual (Page 21)

PowerFlex® 700S and 700H Frame 14 Replacement Power Structures 21
Pre-Charge Connections on Drives with DC Input
You must connect the ASIC board connectors X9 and X15 to the X50
terminal block for the pre-charge circuit. Refer to publication
PFLEX-IN006
…
, Installation Instructions - PowerFlex 700S and 700H
Frame 9-14 Drives, for more information regarding the pre-charge circuit.
X50 Terminal Block Connections
Figure 8 Sample Pre-charge 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
M
F2 R2 CR2
DC+
DC Source
DC-
CR2 R1 F1
M
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.
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.)