Description
Allen‑Bradley 2098-DSD-020X Ultra3000 Servo Drive – Fast, Accurate Motion at 200–240 VAC

The Allen‑Bradley 2098-DSD-020X is part of the Ultra3000 family—a robust digital servo drive that’s typically chosen for high-repeatability indexing, pick‑and‑place, packaging axes, and retrofit projects where reliability matters. One thing I appreciate is how straightforward it is to commission with UltraWare over RS‑232, while still giving you flexible control modes (position, velocity, torque) and familiar I/O for real‑world machines.
Order Placement Process and Guarantees
- Warranty: 365 days
- Lead time: In‑stock items typically ship in 1 week; no more than 1 month at the latest
- Payment terms: 50% advance payment; full payment before delivery
- Express options: FedEx, UPS, DHL
Key Features
- Digital servo control, Ultra3000 platform – Stable, proven design that fits many legacy and current machine upgrades.
- Flexible control modes – Position, velocity, and torque modes; well‑suited for indexing conveyors, feeders, and cut‑to‑length lines.
- Indexing capability – Handles point‑to‑point moves without a full PLC motion module in many cases, reducing system cost.
- RS‑232 setup with UltraWare – Quick parameterization, trending, and diagnostics; you might notice commissioning time drops on repeat jobs.
- Versatile I/O – Step/Direction command support, ±10 V analog reference, registration (marker) input, and encoder emulation (A/B/Z) for host devices.
- Encoder feedback compatibility – Supports incremental encoder feedback typical of Allen‑Bradley MPL/MPF servo motors.
- 200–240 VAC operation – Common plant power, typically single‑ or three‑phase input depending on installation.
- Panel‑mount, compact footprint – Fits standard enclosures; from my experience, heat dissipation is manageable with modest spacing and airflow.
Technical Specifications
| Brand / Model | Allen‑Bradley 2098-DSD-020X (Ultra3000 Digital Servo Drive) |
| HS Code | 8504.40 (Static converters – AC motor drives/servo drives) |
| Power Requirements | 200–240 VAC, 50/60 Hz; single‑ or three‑phase input (per installation) |
| Operating Temperature | 0 to +50 °C (cabinet‑mounted), non‑condensing environment |
| Signal Input/Output Types | Step/Direction, ±10 V analog command, digital I/O for enable/limits/home, registration input, encoder emulation (A/B/Z) |
| Communication Interfaces | RS‑232 for configuration/diagnostics via UltraWare (no fieldbus on “‑X” variant) |
| Installation Method | Panel/cabinet mounting, vertical orientation; IP20 (enclosed), provide top/bottom clearance for cooling |
| Dimensions & Weight | Approx. 311 × 90 × 184 mm (H×W×D); approx. 3.6–4.0 kg (typical for this frame size) |
Application Fields
This model seems to be a good fit for mid‑power axes where smooth positioning and quick setup matter. Typical uses:
- Packaging: indexing belts, seal‑jaw axes, rotary knives
- Electronics assembly: pick‑and‑place, feeders, labelers
- Printing & converting: registration control, slitting, unwinds/rewinds
- General machinery: test stands, small machine tools, material handling
Advantages & Value for Procurement
- Reliable and familiar – Widely deployed Ultra3000 platform; technicians often know it, which shortens downtime.
- Compatibility – Works well with Allen‑Bradley MPL/MPF servo motors and 2090 series power/feedback cables.
- Cost‑effective retrofits – In many cases you keep existing I/O and wiring, avoiding a full motion system redesign.
- Clear diagnostics – RS‑232 with UltraWare makes tuning and fault tracing practical on the shop floor.
Installation & Maintenance
- Cabinet & ventilation – Mount vertically in a clean, dry enclosure; allow top/bottom clearance, and provide airflow or a fan plate if ambient approaches 50 °C.
- Wiring practices – Use shielded motor/feedback cables (2090 series). Keep feedback and signal wiring separate from mains to reduce noise.
- Grounding & safety – Bond PE ground with low impedance. Verify STO/enable circuits before energizing. De‑energize and wait for DC bus discharge before servicing.
- Tuning & calibration – Run basic autotune in UltraWare, then fine‑tune gains under load. Check encoder direction and scaling.
- Routine care – Quarterly dust removal, terminal retorque checks, and event log review. Firmware updates via RS‑232 where applicable.
Quality & Certifications
- Typically CE marked and UL/cUL recognized for industrial control equipment
- RoHS compliance may depend on production revision; documentation can be provided upon request
- Standard warranty: 12 months (365 days)
Commonly Paired Accessories (for smoother commissioning)
- 2090 series power and feedback cables (e.g., 2090-XXNP… for power, 2090-UXNFB-… for feedback)
- MPL/MPF servo motors sized to the 020X current class
- Panel cooling fans or filter fans where cabinet ambient is high
From my experience, the 2098-DSD-020X is a dependable mid‑range Ultra3000 option. If you’re replacing an existing unit, share your motor model and supply details—matching feedback and cable sets up front typically prevents 90% of commissioning hiccups.








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