GE IS200RDIIH1AAA Digital Input Interface Board

Product Summary

The GE IS200RDIIH1AAA Redundant Digital Input Interface Board supports high-speed signal acquisition across demanding turbine environments. It processes discrete field inputs with consistent timing, and it delivers stable data streams to the Mark VI controller. Moreover, its redundant architecture enhances system availability and helps operators maintain reliable turbine performance under continuous load. Each channel handles industrial-grade signals with strong noise immunity, and the board integrates smoothly into existing Mark VI racks without additional configuration steps. Therefore, the module offers a dependable solution for facilities requiring accurate digital input handling and long-term operational stability.

Functional Highlights

The IS200RDIIH1AAA manages digital inputs with impressive consistency during transient operating conditions. It includes channel isolation that protects the controller from electrical disturbances and ensures durable field integration. In addition, the board supports dual or TMR redundancy, which improves fault tolerance across critical turbine applications. Its conformal-coated design withstands humidity and airborne contaminants, and it maintains stable performance through extreme ambient temperatures. For instance, operators deploy it in turbine control rooms where continuous uptime is essential for safe plant performance.

Technical Specifications

Input Channels: Multiple digital input channels with redundant architecture
Input Voltage: 24 VDC for Mark VI systems
Isolation: Channel-to-channel isolation for safe field operation
Redundancy: Supports dual and triple modular redundant configurations
Operating Temperature: –30 °C to +65 °C
Weight: 0.6 kg
Form Factor: Compact PCB for Mark VI rack installation
Construction: Conformal-coated board for environmental protection
Compatibility: Fully compatible with GE Mark VI turbine control racks

Typical Applications

This module suits gas and steam turbine generator systems, where digital input reliability directly influences control accuracy. It also integrates well into industrial automation platforms that require synchronized input processing. Moreover, the board supports upgrades and replacements within legacy Mark VI cabinets, enabling operators to maintain system reliability without major engineering changes. Many facilities use it to monitor trips, permissives, and status signals that drive crucial logic sequences.

Support & Maintenance

Routine inspection and periodic cleaning help maintain stable performance in harsh environments. In addition, many suppliers provide refurbished or surplus units with standard warranty coverage, giving operators flexibility in lifecycle management. The board’s rugged design reduces long-term maintenance requirements and supports consistent plant uptime.

FAQ

Q1: Does the IS200RDIIH1AAA support TMR redundancy?
A1: Yes, it supports dual and TMR architectures commonly used in Mark VI systems.

Q2: Can the board replace older digital input modules?
A2: Yes, it integrates smoothly into existing Mark VI racks with minimal adjustment.

Q3: What field voltage is required for the inputs?
A3: The module typically supports 24 VDC industrial-standard input signals.

Q4: Is conformal coating included for environmental protection?
A4: Yes, the PCB is coated to resist moisture, dust, and airborne contaminants.

Q5: What applications benefit most from this board?
A5: Gas and steam turbines, along with automation systems needing reliable digital input handling, gain the most benefit.