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Symphony Plus Hydraulic Servo Module ABB SPHSS13

Symphony Plus Hydraulic Servo Module ABB SPHSS13

Product Description

The SPHSS13 is a high-performance hydraulic servo module engineered for ABB Symphony Plus and Harmony Rack control architectures. Designed for precise, high-speed closed-loop control, this module interfaces directly with LVDT (Linear Variable Differential Transformer) or RVDT sensors and drives...

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SKU: SPHSS13
Vendor: ABB
Category: Symphony Plus Hydraulic Servo Module
Related Series:

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Product Description

The SPHSS13 is a high-performance hydraulic servo module engineered for ABB Symphony Plus and Harmony Rack control architectures. Designed for precise, high-speed closed-loop control, this module interfaces directly with LVDT (Linear Variable Differential Transformer) or RVDT sensors and drives servo valves with high-resolution current or voltage outputs. It provides millimetric accuracy in motion control for demanding industrial applications such as steam turbine governor valve positioning, heavy-duty presses, and hydraulic gate control.

Built for harsh industrial environments, the SPHSS13 features microprocessor-based local loop processing, reducing the computational load on the main bridge controller and ensuring deterministic response times for critical safety and control sequences.

Technical Specifications

Parameter Specification
Model Number SPHSS13
Product Line Symphony Plus / Harmony Rack
Module Function Hydraulic Servo / Motion Control
Feedback Compatibility LVDT, RVDT
Control Loops Dedicated closed-loop with integrated signal conditioning
Drive Output High-resolution current or voltage outputs for servo valves
Module Weight 0.2 kg 
Dimensions (H × W × D) 17.8 × 3.8 cm 
System Bus Harmony Control Bus, INFI-Net compatible
Diagnostic Indicators LEDs for power, module status, and loop fault detection
Operating Temperature Standard industrial range
Isolation Galvanic isolation between control logic and hydraulic devices

Application & System Use

The SPHSS13 is ideal for applications requiring high-force, high-precision hydraulic control, including:

  • Power Generation: Turbine governor and intercept valve positioning

  • Metal Processing: Hydraulic rams in rolling mills and casting machinery

  • Large-Scale Infrastructure: Hydroelectric dam gates and water diversion systems

Its integrated excitation for LVDT sensors and dedicated closed-loop processing make it superior to standard analog output modules in servo and high-speed motion control tasks.

FAQ

What is the advantage of the SPHSS13 over standard analog output modules?
The SPHSS13 is specifically designed for high-speed servo loops, providing faster update rates and specialized feedback handling (e.g., LVDT excitation) for stable hydraulic control.

Is the SPHSS13 compatible with legacy INFI 90 racks?
Yes, it is backward-compatible and can be installed in Bailey INFI 90 module mounting units.

Does the module provide feedback excitation for LVDTs?
Yes, the SPHSS13 supplies the AC excitation voltage required for LVDT sensors to accurately measure actuator positions.