Product Overview
The GE IS420YDOAS1B Discrete Output I/O Pack is engineered for the Mark VIeS control platform, providing precise control for gas, steam, and wind turbines. It supports Ethernet-based communication and direct feedback from terminal boards, ensuring real-time operational reliability. Designed as an enhanced revision of the IS420YDOAS1 model, it integrates seamlessly into Speedtronic turbine control systems. Moreover, its rugged design allows stable operation under extreme environmental conditions.
Functional Highlights
This module provides advanced output control and built-in diagnostics that simplify maintenance and improve performance.
Key functions include:
- Supports up to 12 relay outputs with integrated feedback monitoring.
- Dual Ethernet RJ45 ports ensure network redundancy and high-speed communication.
- BPPC processor board delivers faster processing and optimized signal handling.
- LED indicators: 12 yellow for relay status and dedicated LEDs for system diagnostics.
- ATTN LED for clear system alerts — green at 2 Hz (online), dual 4 Hz pulses (normal operation).
- Operates efficiently from –40 to 70°C, ideal for demanding turbine environments.
In addition, the IS420YDOAS1B supports both Simplex and TMR configurations, providing flexible redundancy options for mission-critical applications.
Technical Specification
| Parameter | Details |
|---|---|
| Product Code | IS420YDOAS1B |
| System Compatibility | Mark VIe and VIeS Speedtronic Control Systems |
| Output Channels | 12 Discrete Relays with Feedback |
| Processor Board | BPPC Processor Board |
| Communication Interface | Dual Ethernet RJ45 Ports |
| Power Input | 3-Pin Connector |
| Output Connector | DC37 Pin Output Port |
| Response Time | 6 Milliseconds |
| Temperature Range | –40 to 158°F (–40 to 70°C) |
| Mounting Configuration | Simplex or TMR Compatible |
| Protection | Robust Chassis with EMI Shielding |
| Dimensions | H 3.25 in × W 1.65 in × D 4.78 in |
Therefore, this pack delivers reliable performance across all Mark VIe-based installations, minimizing downtime and simplifying integration with existing turbine controls.
System Integration
The GE IS420YDOAS1B is ideal for real-time turbine management applications requiring high-speed, isolated outputs. It connects directly to Mark VIe discrete output terminal boards, offering consistent feedback and precise control of critical components.
Typical integration scenarios:
- Gas and steam turbine relay actuation systems.
- Wind turbine drive assembly control.
- Process plant turbine monitoring networks.
- Industrial automation systems using GE Speedtronic controllers.
In addition, its compact form factor enables easy panel installation without additional hardware modifications.
Details
| Weight | 0.6 kg |
|---|
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