Description:The Allen-Bradley 2098-DSD-005X (and 2098-DSD-005X-A) is a digital servo drive from the Ultra 3000/Kinetix family, designed as a high-performance, single-axis servo amplifier. It converts standard single-phase AC line power into precisely controlled three-phase AC output to drive synchronous servo motors, supporting multiple control modes including standalone indexing. This drive is engineered for applications requiring high dynamic response and precise positioning in a compact footprint.Application Scenarios:In a high-speed packaging machine for blister packs, precise synchronization between the film feed and the forming/cutting station is critical. A 2098-DSD-005X drive was configured in Indexing Mode to control a servo motor driving the film feed rolls. Using its built-in programmable indexer, the drive executed complex move profiles—rapid acceleration to feed, precise stop for sealing, and a controlled retraction—all based on a simple “Go” signal from a PLC. This eliminated the need for a complex mechanical cam system, reduced mechanical wear by 70%, and allowed the OEM to quickly change package sizes by simply downloading a new index table via the drive’s serial port, turning a rigid mechanical process into a flexible, software-defined one.
Parameter:
| Main Parameters | Value/Description |
|---|---|
| Product Model | 2098-DSD-005X / 2098-DSD-005X-A |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Category | Digital Servo Drive / Servo Amplifier |
| Rated Input Power | 100-240V AC, Single Phase, 47-63 Hz |
| Continuous Output Current | 5.0 A RMS |
| Peak Output Current | 15.0 A RMS (for 2 seconds) |
| Suitable Motor Power | ~0.5 kW to 1.5 kW (varies by motor) |
| Control Modes | Torque, Velocity, Position, Indexing |
| Primary Feedback | Resolver (Standard); Optional Encoder |
| Command Interface | Analog ±10V, Step/Direction, or Digital (SERCOS, DeviceNet) via option card |
| Key Feature | Integrated Indexer with 64-position move table |
| Operating Temperature | 0 to 55 °C (32 to 131 °F) |
| Dimensions (HxWxD) | ~225 x 45 x 195 mm (8.86 x 1.77 x 7.68 in) |
Technical Principles and Innovative Values:
- Innovation Point 1: Standalone Indexing IntelligenceUnlike simple amplifier-only drives, the 2098-DSD-005X incorporates a programmable multi-axis indexer directly on its control board. This allows it to store and execute complex motion sequences (profiles, positions, velocities) independently. In practice, this offloads the motion planning burden from the host PLC, which merely sends a trigger command, freeing up PLC scan time and enabling faster cycle times. A bottling plant utilized this feature to control a capping head, executing a complex “screw-on” torque profile entirely within the drive, achieving a 15% increase in line speed.
- Innovation Point 2: Multi-Protocol Flexibility via Option CardsThe drive’s architecture is built around a modular option slot. Users can select a DeviceNet scanner card (2098-DSD-DN2) for network integration, a SERCOS interface card (2098-DSD-SC4) for high-speed deterministic motion networks, or stick with standard analog/step inputs. This future-proofed design meant a machine builder could standardize on the 2098-DSD-005X hardware platform and simply change the option card to meet different customers’ network specifications, reducing inventory and design complexity.
- Innovation Point 3: Advanced Auto-Tuning & Vibration SuppressionThe drive features sophisticated auto-tuning algorithms that automatically identify the connected motor’s and mechanical system’s inertia and resonance characteristics. More importantly, it includes a Notch Filter and Adaptive Vibration Suppression algorithms. In a textile winding application, this technology actively dampened oscillations caused by uneven material rolls, reducing breakage rates by over 25% and enabling higher operating speeds without compromising quality.
