Rockwell Automation Liqui-Flo 1.5 AC Power Modules V1.2 User Manual

Page 54

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9-2

LiquiFlo 1.5 AC Power Modules, Hardware Reference Version 1.2

Step 3. Measure the DC bus potential with a voltmeter while standing on a

non-conductive surface and wearing insulated gloves (1000 V).




Measure the DC bus potential at the test points on the Power Interface
Control (PIC) board (see figure 9.1). For additional wiring information, refer to
Appendix C, Appendix D, or Appendix E.

Step 4. Once the drive has been serviced, reapply input power.

Figure 9.1 – DC Bus Voltage Terminals (All Drives)

Initial DC Bus
Measurement
Points

POS

(+)

NEG

(-)

Power Interface Control Board

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