Description
The 22B-D4P0N104 is a compact, high-performance AC drive from the PowerFlex 40 series manufactured by Allen-Bradley, a brand of Rockwell Automation. As a 480V-class variable frequency drive, the 22B-D4P0N104 delivers 1.5 kW (2 HP) of motor control capability with a continuous output current of 4.0 A, making it ideally suited for small to mid-sized machine automation, material handling, and fluid control applications. The drive accepts a 3-phase input voltage range of 380–480 VAC (±10%) and produces a proportional 0–460 VAC output across a 0–400 Hz frequency range. The 22B-D4P0N104 combines V/Hz control with advanced sensorless vector control, enabling high starting torque and precise speed regulation without the need for an encoder feedback device. Housed in a Frame B, IP20 open enclosure measuring 180 × 100 × 136 mm and weighing approximately 2.2 kg, the 22B-D4P0N104 features an integrated LED display with a digital keypad, built-in RS485 communication supporting Modbus RTU, and a built-in brake IGBT for dynamic stopping. With its panel-mount or DIN-rail mounting flexibility, integrated PID control, and comprehensive motor protection suite, the 22B-D4P0N104 represents a cost-effective, ready-out-of-the-box solution for OEMs and end users seeking reliable variable-speed motor control in space-constrained control cabinets.
Application Scenarios
In a regional beverage bottling line, the maintenance engineering team was facing chronic motor burnout on a 2 HP conveyor drive caused by across-the-line (DOL) starting — each start surge drew 6× full-load current, tripping upstream breakers and damaging gearbox couplings. By deploying the 22B-D4P0N104 as a drop-in variable frequency drive, the plant achieved smooth S-curve acceleration across the conveyor, eliminating mechanical shock and reducing motor starting current by 70%. The ‘s built-in PID loop, fed by a downstream photo-eye sensor, automatically adjusted conveyor speed to match filling station throughput, increasing line efficiency by 18% while cutting energy consumption by an estimated 25% versus the fixed-speed DOL configuration. The drive’s native RS485/Modbus RTU interface connected directly to the plant’s existing HMI without any additional communication module, enabling real-time speed monitoring and fault logging for predictive maintenance.
In a separate water/wastewater application, a municipal pumping station replaced three DOL-driven 2 HP booster pumps with drives configured for closed-loop pressure control. Using a 4–20 mA pressure transmitter as the PID feedback source, each maintained constant discharge pressure regardless of demand fluctuation, eliminating pressure spikes that had previously caused pipe joint failures. Over 30 months of continuous operation, the station reported zero drive-related failures, a 30% reduction in energy cost versus DOL operation, and a significant extension of motor and pump bearing life thanks to the drive’s soft-start, sensorless vector control, and integrated thermal protection. The ability to hot-swap the LED keypad HIM also allowed field technicians to clone parameter sets between drives in under two minutes, dramatically reducing commissioning time for new installations.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Family | PowerFlex 40 AC Drive |
| Input Voltage | 380–480 VAC, 3-phase, 47–63 Hz (±10%) |
| Output Power | 1.5 kW / 2 HP |
| Output Current | 4.0 A continuous |
| Output Voltage | 0–460 VAC, 3-phase |
| Output Frequency | 0–400 Hz |
| Control Modes | V/Hz, Sensorless Vector Control |
| Overload Capacity | 150% rated current for 60 s |
| PWM Switching Frequency | 2–16 kHz adjustable |
| Communication | Built-in RS485, Modbus RTU |
| Brake IGBT | Integrated, supports external braking resistor |
| PID Control | Built-in, standalone process control capable |
| Digital Inputs | 6 (24 VDC, source/sink configurable) |
| Analog Inputs | 2 (0–10 V / 4–20 mA) |
| Relay Outputs | 1 (C-type, 250 V / 5 A) |
| Analog Output | 1 (0–10 V / 4–20 mA) |
| Operating Temperature | 0 °C to +50 °C (derating above 40 °C) |
| Protection Rating | IP20 (NEMA Type Open) |
| Frame Size | Frame B |
| Dimensions (H×W×D) | 180 × 100 × 136 mm |
| Weight | 2.2 kg |
| Mounting | Panel mount or DIN-rail |
| Certifications | UL, cUL, CE (without EMC filter) |
| Internal EMC Filter | Not equipped (optional external filter required) |
