Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 22D-D4P0N104 (also written 22D-D4P0N104_A) |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Type | Adjustable Frequency AC Drive (Variable Frequency Drive, VFD) |
| Series | PowerFlex 40P (Bulletin 22D) |
| Rated Output Power | 1.5 kW (2.0 HP) |
| Rated Output Current | 4.0 A continuous |
| Input Voltage | 380–480 V AC nominal, 342–528 V AC operating range |
| Input Phase / Frequency | 3-phase, 48–63 Hz |
| Input Current | 5.7 A |
| Output Voltage | 0–460 V AC, 3-phase |
| Output Frequency | 0–400 Hz programmable |
| Control Modes | V/Hz, Sensorless Vector Control (SVC), Closed-Loop Velocity (encoder), Process PID |
| Carrier Frequency | 2–16 kHz adjustable |
| Overload Capability | 150 % for 60 s typical (normal duty) |
| Digital Inputs | 7 (5 fully programmable, 2 partially programmable), sink/source selectable |
| Digital Outputs | 2 Form C relay outputs + 1 opto-isolated output |
| Analog I/O | 1 analog input (0–10 V DC / 0–20 mA) + 1 analog output (0–10 V DC) |
| Built-in Communication | RS-485 (DSI), Modbus RTU, up to 31 drives per network |
| Optional Communication | EtherNet/IP, DeviceNet, ControlNet, PROFIBUS DP, BACnet, LonWorks via 22-COMM modules |
| Braking | Internal brake IGBT included, DC injection braking, external brake resistor supported |
| Safe Torque Off | Category 3, SIL 2 / PL d (Series B) |
| EMC Filtering | Not filtered — external filter required for EN55011 Class A/B compliance |
| Enclosure Rating | IP20 / NEMA Type Open (optional IP30 / NEMA 1 conduit box) |
| Frame Size | Frame B — zero stacking to 40 °C, DIN-rail or panel mount |
| Operator Interface | Integral LED display with fault reset |
| Dimensions (H × W × D) | Approx. 180 × 100 × 136 mm |
| Weight | Approx. 1.8–2.0 kg |
| Operating Temperature | 0 °C to +50 °C |
| Storage Temperature | -40 °C to +85 °C |
| Relative Humidity | 0–95 % non-condensing |
| Certifications | UL 508C, cUL, CE (with external filter), C-Tick, RoHS |
| Lifecycle Status | Discontinued 30 June 2025; replacement is 25B-D4P0N104 |
Main Features and Advantages
Sensorless vector torque without a feedback device: The Allen-Bradley 22D-D4P0N104 continuously estimates motor flux from its own output, which gives it substantially better starting torque and speed regulation than a plain V/Hz inverter — particularly at low speed, where a conveyor starting under load or a mixer working a viscous batch needs torque that a scalar drive simply cannot produce. Because no encoder is required for this mode, the drive delivers that performance at the cost of an open-loop installation.
Closed-loop velocity and position StepLogic: Where the application does justify feedback, the Allen-Bradley 22D-D4P0N104 accepts an encoder and switches to closed-loop velocity control. Combined with the built-in StepLogic sequencer, it can execute multi-step speed profiles and simple positioning moves as a standalone function — effectively absorbing tasks that would otherwise demand a small PLC, and reducing both panel count and integration effort on diverters, indexing tables and palletisers.
Integrated Safe Torque Off to SIL 2 / PL d: Safety is where the P in PowerFlex 40P earns its keep. The Allen-Bradley 22D-D4P0N104 carries a Category 3 Safe Torque Off function rated to SIL 2 / PL d, letting machine builders meet functional-safety requirements without interposing contactors between drive and motor. That removes two wear-prone electromechanical devices from every safety circuit, simplifies the safety validation file, and eliminates the maintenance burden those contactors would otherwise create.
Compact, space-saving mechanical design: At Frame B, the Allen-Bradley 22D-D4P0N104 fits a 2 HP drive into roughly 180 × 100 mm of panel face, supports zero-stacking side by side at 40 °C ambient, and can be snapped onto a DIN rail instead of being screw-mounted. In high-density control cabinets serving multi-zone conveyor systems or multi-spindle textile machines, that footprint advantage compounds across dozens of axes.
Process PID and flying start built in: The drive closes a PID loop internally, holding pressure, flow or temperature against a feedback signal without an external controller or PLC block — a genuine cost saving on single-loop pumping and fan duty. Flying start lets it capture and re-accelerate a motor that is already spinning, which is exactly what a fan coasting on residual airflow or a pump running backwards under head pressure demands after a brief supply dip.
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