ABB INFI 90 Bailey IMHSS03 Hydraulic Servo Module

Description

The ABB IMHSS03 Hydraulic Servo Module is designed for turbine control systems in INFI 90 and Symphony platforms. It bridges processor outputs to hydraulic actuators, driving servo valves or I/H converters to regulate turbine throttle valve position with high accuracy.

Specifications

• Model: IMHSS03
• System Compatibility: ABB Bailey INFI 90 / Symphony Harmony Rack I/O
• Function: Hydraulic servo control for turbine throttle valves
• Processor Interface: Works with IMMFP01/02/03 Multi‑Function Processor Modules
• Signal Handling:
  • Accepts position demand from MFP processors
  • Drives servo valve currents to open/close turbine throttle valves
  • Processes LVDT feedback for closed‑loop position control
• Bus Communication: INFI 90 bus integration
• Onboard CPU: Handles gain tuning, fault buffering, and loop closure
• Dimensions: Approx. 120 × 80 × 60 mm
• Weight: 2 kg
• Origin: Switzerland

Features

• Precise Valve Positioning: Ensures accurate turbine throttle control through closed‑loop feedback
• Hydraulic Integration: Interfaces directly with servo valves or I/H converters for actuation
• High Reliability: Designed for continuous turbine operation in power generation environments
• Redundant Communication: Operates via INFI 90 bus with robust fault handling
• Compact Design: Small footprint for Harmony rack installation
• Diagnostic Capability: Monitors signal integrity and buffers faults for system reliability
• Seamless DCS Integration: Works alongside IMFCS01 Frequency Counter Module for speed feedback and turbine control coordination