IMHSS03 ABB | Hydraulic Servo Module

Harmony Rack Turbine Control

Model: IMHSS03 Hydraulic Servo Module

Key Features:

• Module Type: Intelligent I/O Module
• Control Codes: Utilizes function codes 55 and 150 for hydraulic servo control.

Technical Specifications:

• Power Requirements:
  • +5 VDC, ±5% at 576 mA typical
  • +15 VDC, ±5% at 15 mA typical
  • -15 VDC, ±5% at 12 mA typical
  • +24 VDC, ±10% at 335 mA typical (from termination unit)
• Power Dissipation: 2.88 W (+5 VDC) typical
• LVDT Inputs: 4 analog inputs, including 2 LVDT secondary inputs
• Output Characteristics:
  • Servo valve coil outputs: 4 analog outputs, 2 redundant with protection
  • Position panel meter output: 4 to 20 mA at 300 Ω maximum impedance
  • I/H converter output: 20 to 160 mA at 15 Ω maximum impedance
• Digital Inputs/Outputs:
  • 3 optically isolated contact inputs
  • 1 independent, optically isolated open collector output

Environmental Conditions:

• Ambient Temperature: 0° to 70°C (32° to 158°F)
• Relative Humidity: 5% to 95% non-condensing up to 55°C, 5% to 45% at 70°C
• Altitude: Up to 3 km above sea level