Rockwell Automation 2364E Non-Regenerative DC Bus Supply Unit (NRU) User Manual
Non-regenerative dc bus supply unit, Nru)
Table of contents
Document Outline
- Front Cover
- Summary of Changes
- Table of Contents
- Preface
- Chapter 1
- Chapter 2
- Chapter 3
- Chapter 4
- Chapter 5
- Chapter 6
- Chapter 7
- Chapter 8
- Chapter 9
- Installing Your NRU
- Before You Begin
- Installation Procedure
- 1.
- 2. Remove the lifting angle (if present) that is secured to the top of the NRU.
- 3. Plan where to punch holes for AC input entry. Refer to Appendix C for top plate clearance info...
- 4. Remove the top plate from the MCC.
- 5. Punch desired holes for AC input entry.
- 6. Connect top plate to NRU.
- 7. Set the trip unit of the motor circuit protector/circuit breaker according to manufacturer’s i...
- 8. Set initial settings on the three knobs as follows: UNDERVOLTAGE and TIME DELAY ON UNDERVOLTAG...
- Ground-Fault Detection Option
- NRU Checks Before Power Up
- NRU Checks After Power Up
- 1. Verify that the incoming phase-to-phase line voltage is within the specified tolerances:
- 2. The common DC bus voltage will vary based upon the 3-phase AC input voltage. Verify that the c...
- 3. Verify that the voltage across X1 to X2 (the secondary side) of PT2 (the control power transfo...
- 4. Verify that the diode bridge fan is running and blowing air over the bridge.
- 5. Verify that the "DC Bus Energized" pilot light (PL1) is illuminated.
- 6. Verify that the "Not Faulted" pilot light (PL2), if supplied, is illuminated. If it is not ill...
- 7. Perform the set up of the Powermonitor II, if supplied, per the manufacturer’s instructions.
- 8. If the ground fault detection meter is supplied, set the red warning indicator needle 50V high...
- Installing Your NRU
- Chapter 10
- Appendix A
- Appendix B
- Appendix C
- NRU Details
- Wireway Meter Cover Details
- MCC AC Input Entry Area
- AC Input Customer Connection Details
- Recommended Disconnect Trip Settings
- Phase-Loss Relay
- Figure 10
- Installation and Setup
- 1. Set initial settings on the three knobs as follows: UNDERVOLTAGE and TIME DELAY ON UNDERVOLTAG...
- 2. Connect the fused 3-phase line voltage to terminals A, B, and C on the D65 - see Figure 10. A ...
- 3. Apply Line Voltage. The LED indicator should illuminate and stay steady. If the LED flashes, a...
- 4. REMOVE LINE VOLTAGE for Steps 4-6. Set the UNDERVOLATAGE dial. This setting should be the same...
- 5. Set the TIME DELAY ON UNDERVOLTAGE dial. This is the maximum time period that an undervoltage ...
- 6. Set the IMBALANCE dial. This setting should be the maximum allowable imbalance in phase voltag...
- 7. Connect the output terminals as shown in Figure 10.
- 8. When all connections have been made, apply Line Voltage. The light emitting diode (LED) indica...
- 9. If the LED flashes during regular operation, one of the four fault conditions has occurred. RE...
- Monitor Operation
- Reset
- MCC Bus Location Details
- NRU Details
- Index
- Back Cover