AC conversion
80026-529-01-R converts the single-phase control supply to the drive's 56 V DC control-power level.
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Copy| Product Name | Allen-Bradley 80026-529-01-R 56 V DC AC/DC Power Supply |
| Item NO. | 2910405 |
| Weight | 0.1 kg = 0.2205 lb = 3.5274 oz |
| Category | AB |
| Brand | ALLEN-BRADLEY |
| Creation Time | 2026-09-22 |
Allen-Bradley 80026-529-01-R is a 1000 W single-phase AC/DC power supply listed for the PowerFlex 7000 drive. Its regulated output is 56 V DC and forms part of the drive control-power distribution.
A PowerFlex 7000 installation can use multiple AC/DC supply units in the control-power arrangement. The drive monitors the AC input and the 56 V DC output associated with the 80026-529-01-R, producing an AC-fail condition when the input falls below 85 V rms and a DC-fail condition when the output falls below 49 V DC.
Troubleshooting around the 80026-529-01-R separates the incoming control voltage from the outgoing 56 V DC path. The defined checks include the supply input, DC output, fault wiring, fan operation and the connections that route 56 V DC toward the isolated gate-driver power supplies.
| Technical Item | 80026-529-01-R |
|---|---|
| Brand | Allen-Bradley |
| Product Type | AC/DC power supply |
| Brand Country | United States |
| Drive Family | PowerFlex 7000 |
| Input | Single-phase AC |
| Output | 56 V DC |
| Power Rating | 1000 W |
| AC-Fail Threshold | Below 85 V rms |
| DC-Fail Threshold | Below 49 V DC |
| Monitored Path | 56 V DC control-power output |
| Service Checks | Input, output, fault wiring and fan |
80026-529-01-R converts the single-phase control supply to the drive's 56 V DC control-power level.
The 56 V DC output is routed through the drive control circuitry toward the isolated gate-driver supplies.
PowerFlex 7000 configurations can contain more than one AC/DC supply, so the specific supply path must be traced before testing.
The PowerFlex 7000 monitors both sides of the 80026-529-01-R conversion path.
Input below 85 V rms is treated as an AC supply failure.
Output below 49 V DC is treated as a DC supply failure.
Comparing input voltage, 56 V output and downstream connection readings separates supply loss from a wiring or load-side problem.
It provides a regulated 56 V DC output at a 1000 W rating. The unit is listed as a single-phase AC/DC supply for PowerFlex 7000 control power.
The monitored input is considered failed when it falls below 85 V rms. Check the incoming control voltage and upstream protection before replacing the supply.
The drive reports the DC side as failed when the supply output falls below 49 V DC. Measure the output and examine downstream connections or loading.
A correct source reading does not prove the rest of the distribution path. Compare the defined control-board test point with the isolated gate-driver supply input and inspect the intervening connections.
Verify seated input and output wiring, the fault connection and fan operation. Follow the drive safety procedure before accessing the control-power compartment.
No. The input threshold, DC output and downstream distribution readings must be separated so the failed section is identified.
Incoming identity and visible condition are checked before industrial spare parts are packed for shipment.
Moore Automation Sales Team
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