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The Allen Bradley 20BD011A3AYNANB0 is an adjustable-frequency AC drive designed to provide efficient control for 3-phase systems. With an input voltage of 480 V AC, this unit employs sine PWM control technology and supports both dual and single incremental encoders for enhanced performance.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable-frequency AC Drive |
| Product Line | PowerFlex 700 |
| Part Number | 20BD011A3AYNANB0 |
| Weight | 12.00 lbs (5.44 kg) |
| Control | Sine PWM, 6/18-pulse |
| Input Voltage | 480 V AC, 3-phase |
| Output | 3-phase |
| DC Bus | 648 V DC |
| Bus Limits | UV 305 V / OV 810 V |
| Fuse | 20 A @ 650 V DC |
| Braking | IGBT only |
| Ride-through | 15 ms |
| Short-circuit | 200 kA |
| Overload | 110% for 1 minute, 150% for 3 seconds |
| Encoder | Incremental, dual or single |
| Encoder Signal | 8–15 V, ≥10 mA |
| I/O | AI2, AO2, DI6, DO3 |
| Surge Immunity | 1.5 kV control, 6 kV line |
The 20BD011A3AYNANB0 from the PowerFlex 700 line by Allen Bradley serves as an adjustable-frequency AC drive, optimized for adapting AC motors. Its operation utilizes a 480 V AC input, specifically designed for 3-phase configurations. With a robust control method using 6/18-pulse sine PWM, this drive ensures effective motor management. The device has a DC bus voltage established at 648 V DC, reflecting its capacity to handle varied operations while maintaining efficiency.
Voltage protections are integrated within the design, with specifications for under-voltage limits set at 305 V, and over-voltage limits at 810 V, safeguarding equipment functionality. For additional safety, a 20 A fuse is included for handling up to 650 V DC. The unit supports IGBT-only braking mechanisms to manage energy effectively during braking scenarios.
The drive can withstand short circuits rated at 200 kA, reflecting its durability under fault conditions. Overload protection enables the drive to remain functional at 110% capacity for up to one minute, while it can handle 150% overload for a duration of three seconds. Additionally, the encoder support allows for flexibility via either dual or single incremental encoders. The encoder signal operates within a range of 8 to 15 V, drawing a minimum current of 10 mA for reliable performance.
Input and output configurations include AI2, AO2, DI6, and DO3, facilitating easy integration with control systems. With a surge immunity rating of 1.5 kV for control circuits and 6 kV for the line, the drive is built to withstand voltage spikes in industrial environments.