ABB | Symphony Plus Harmony | SPHSS13 | Hydraulic Servo Control Module

Product Description

The ABB SPHSS13 Hydraulic Servo Module is a specialized control unit designed to deliver precise closed-loop regulation for electro-hydraulic actuators. Engineered for turbine valve management and heavy industrial applications, it integrates seamlessly with ABB Symphony Plus Harmony systems, ensuring accurate and rapid response in demanding environments.

Technical Specifications:

• Manufacturer: ABB

• Model Number: SPHSS13

• Product Series: Symphony Plus / Harmony

• Module Type: Hydraulic Servo Control Module

• Feedback Inputs: LVDT (Linear Variable Differential Transformer) interface

• Output Type: High-precision drive signals for servo valves

• Operating Temperature: 0–70 °C

• System Interface: Compatible with Harmony Rack / MMU systems

• Control Features: Dedicated onboard processing for closed-loop regulation

• Diagnostics: Continuous monitoring of LVDT feedback and valve drive integrity

Key Features:

• Closed-Loop Regulation: Maintains precise actuator positioning with millisecond-level response.

• LVDT Interface: Provides high-resolution feedback for sub-millimeter accuracy.

• Dynamic Response: Optimized for transient turbine load and speed adjustments.

• Fault Detection: Identifies LVDT failures and valve drive anomalies with automated reporting.

• Industrial Robustness: Built to withstand vibration and thermal stress in turbine control pedestals.

Applications:

• Turbine valve control in power generation plants

• Electro-hydraulic actuator regulation in heavy industry

• Integration into ABB Symphony Plus Harmony distributed control systems

FAQ:

• Q: Can the SPHSS13 be used with multiple LVDT sensors?  A: Yes, it supports redundant LVDT configurations for enhanced reliability.

• Q: How does the module handle fault conditions?  A: It continuously monitors feedback and drive signals, reporting anomalies directly to the DCS.

• Q: Is the SPHSS13 suitable for retrofitting older ABB systems?  A: Yes, it is backward-compatible with Harmony Rack/MMU interfaces.

Comparison with Similar Models:

• SPHSS11: Basic servo module, limited feedback support

• SPHSS13: Advanced closed-loop control with LVDT integration

• SPHSS15: Extended functionality with multi-channel servo drive outputs