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GE IS200AEAAH1CPR

Product Name:​ Mark VI Analog Expansion PCB (Conformal-Coated Variant)
Product Introduction:​ The IS200AEAAH1CPR is an analog expansion printed circuit board for GE’s Mark VI Speedtronic series, used for expanding analog capabilities in steam and gas turbine control systems. The “CPR” suffix denotes a conformal-coated version (MIL-I-46058C compliant) with gold-plated terminals for enhanced protection in harsh environments compared to the standard IS200AEAAH1C.
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Detailed content

Technical Specifications:
  • Manufacturer:​ GE Industrial Systems (General Electric)
  • Series:​ Mark VI Speedtronic
  • Board Category:​ Printed Circuit Board (Analog Expansion)
  • Full Model:​ IS200AEAAH1C / IS200AEAAH1CPR
  • Dimensions (H × W × D):​ 6.0 cm × 23.0 cm × 3.0 cm
  • Weight:​ Approximately 0.32 kg
  • Analog Input Channels:​ 8 expansion input channels
  • Analog Output Channels:​ 4 expansion output channels
  • Resolution:​ 16-bit for inputs, 14-bit for outputs
  • Input Signal Range:​ 0 to 10 V DC or 4 to 20 mA
  • Output Signal Range:​ 0 to 10 V DC or 4 to 20 mA
  • Terminal Type:​ Screw terminal connectors
  • Backplane Interface:​ VME compatible
  • Energy Storage:​ Small capacitors for signal filtering
  • Coating (CPR variant):​ Conformal coated against moisture and dust (MIL-I-46058C)
  • Terminals (CPR variant):​ Gold-plated for corrosion resistance
  • Accuracy:​ ±0.15% (enhanced diagnostics variant)
Alternative Configuration Note:​ Some references describe this board as an “Analog Engine Actuator Adapter” with 4 analog inputs and 4 analog outputs specifically for engine actuator control, with enhanced diagnostics including per-channel signal quality monitoring and predictive maintenance alerts.
Material Composition:​ FR-4 PCB substrate with conformal coating (CPR variant) for moisture/dust protection. Gold-plated screw terminals for corrosion-resistant connections in harsh environments. Small capacitors for signal conditioning and filtering.
Working Principle:​ The board expands analog capabilities for the Mark VI Speedtronic system. It provides additional analog input and output channels that interface with the VME backplane for power and data transfer. The board conditions and converts analog signals between field devices and the control system.
Structural Features:​ Standard VME-compatible form factor. Screw terminal connectors for direct field wiring. The backplane interface handles all power and data transfers. The CPR variant adds conformal coating for enhanced circuit protection against moisture and dust.
Application Scenarios:​ Steam and gas turbine control systems requiring expanded analog I/O. The CPR (conformal-coated) variant is specifically designed for harsh environments where moisture, salt fog, and corrosive atmospheres are present—such as offshore platforms and coastal installations. The H1C variant (without conformal coating) is intended for extended temperature applications where moisture is not a concern.
Installation Requirements:​ Install into any standard VME rack slot. Connect directly to expansion devices through screw terminals. The backplane supplies power and communication to the board. Proper insertion ensures reliable analog expansion.
Usage Precautions:​ The CPR variant is form-fit-function compatible with IS200AEAAH1A and earlier AEAA revisions—existing wiring and terminal assignments remain unchanged. Each unit undergoes a 96-hour burn-in with temperature cycling (-40°C to +70°C, seven cycles) for full actuator simulation and accuracy verification. ESD handling is required during installation.

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