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Match the complete marking
Include the complete Allen-Bradley 80026-529-01-R marking and any hardware revision on the item. Include the host controller or drive and the actual supply connection diagram.
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Check the offered item before ordering
Request available label and connector photos. Have your maintenance team compare the offered 80026-529-01-R with the installed equipment and applicable Allen-Bradley documentation.
Technical specifications for 80026-529-01-R
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Manufacturer:Allen-Bradley
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Product Category:General Automation
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Spare Part Number:80026-529-01-R
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Weight:4.4 kg
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Tariff Code:8537101190
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Input phase:Single phase
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Nominal DC output:56 VDC
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Power rating:1000 W
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Drive DC-fail threshold:Below 49 VDC
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Drive AC-fail threshold:Below 85 Vrms
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DC status inputs:ACB J18-J21; installed supply positions
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56 V monitoring:ACB J15
Information
- Allen-Bradley 80026-529-01-R serves a defined point in the PowerFlex 7000 auxiliary power path. Separating the source, connections and monitored output helps locate the actual cause of a supply-related fault.
Nominal DC output: 56 VDC
Power rating: 1000 W
The drive can monitor multiple AC/DC sources by position. AC Fail identifies a low input-control-voltage condition, while DC Fail uses the individual converter output sensing circuit. The diagnostic thresholds of 85 Vrms and 49 VDC describe drive fault detection rather than universal supply nameplate limits.
Troubleshooting compares physical input/output measurements, ACB status wiring and the drive metering values. The converter cooling fan must operate. A failed fan or sustained output loss must be resolved before returning the auxiliary power circuit to service.
80026-529-01-R Official Technical Excerpt
The original technical excerpt for Allen-Bradley 80026-529-01-R covers exact supply identification and applicable fault investigation. PDF · 4 pages.80026-529-01-R Installation & Verification Guide
Apter Power installation and verification guide covering power-path identification, connection restoration and diagnostic comparison. PDF · 5 pages.
Application scope: Use the exact supply selection within the stated platform. Similar output voltages do not establish compatibility with a different source or gate-drive board.
Auxiliary source verification
Record AC-fail and DC-fail indications separately. Input loss, output loss and an incorrect monitor connection need different corrective actions.Controlled circuit replacement
Check the input, DC output and fault-monitor connectors for seating or damage. Keep the airflow path clear and inspect the fan condition.Diagnostic comparison
Under the prescribed test procedure, confirm the correct input control power and measure the source output. The fault thresholds are not substitutes for the input nameplate.System recovery
Verify that the internal cooling fan runs as required. A failed fan must be corrected by the specified supply replacement action.
Use the approved drive isolation and discharge procedure for both the control input and downstream DC circuit. Prove safe conditions before disconnecting the converter.
Check the input, DC output and fault-monitor connectors for seating or damage. Keep the airflow path clear and inspect the fan condition.
Match the single-phase 1000 W source and retained wiring. Do not select another power rating solely because its output is also 56 VDC.
Under the prescribed test procedure, confirm the correct input control power and measure the source output. The fault thresholds are not substitutes for the input nameplate.
Compare physical output with the 49 VDC DC-fail threshold and the assigned ACB status input. Investigate inconsistent status wiring before replacing another component.
Verify that the internal cooling fan runs as required. A failed fan must be corrected by the specified supply replacement action.
Alternative Names
Technical notes
Status versus power: A supply status signal and a measured DC output answer different diagnostic questions. Check both when investigating an AC/DC supply fault.
Cooling dependency: Include the power-supply fan and airflow path in the service check. Restored output voltage alone does not prove acceptable cooling during operation.
FAQ View All FAQ
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What distinguishes 80026-529-01-R from the other 56 VDC supply selections?It is the single-phase-input, 1000 W AC/DC selection. A 300 W or 1500 W source is a different part selection.
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Does the 85 Vrms diagnostic threshold specify the complete input rating of 80026-529-01-R?No. It is the drive AC-fail detection threshold. The actual control supply and input rating must match the installed converter and drive drawings.
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When is a DC-fail signal associated with 80026-529-01-R generated?The AC/DC converter DC-fail condition is triggered when its monitored output drops below 49 VDC.
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How does the drive distinguish status from several supplies including 80026-529-01-R?It assigns supply positions and monitors their DC-fail signals through ACB inputs J18, J19, J20 and J21 as configured.
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Why inspect the internal fan when diagnosing 80026-529-01-R?The fan is required for converter cooling. The drive troubleshooting procedure calls for replacement of a supply whose internal fan is not operational.
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Can 80026-529-01-R be declared faulty from a status signal alone?No. Verify that the source is energized, measure its output, and compare the fault-detection wiring and signal levels with the drive drawings.
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What healthy signal example is given for the DC-fail circuit of 80026-529-01-R?At the example ACB J18 terminals 2-3, the diagnostic signal is 5 VDC when healthy and 0 V when faulted. Apply the correct terminal assignment for the installed supply position.
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Which output should be compared with the drive metering value for 80026-529-01-R?Compare the physical 56 VDC source output with the corresponding monitoring circuit and metering indication. Resolve sensing-wiring discrepancies before condemning the converter.
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