Description
- Product Model: IS220PDOIH1A
- Manufacturer: GE (General Electric)
- System Platform: GE Mark VIe Distributed Control System
- Channels: 24 discrete output channels
- Operating Voltage: 24V DC nominal, max 32V DC
- Output Response Time: ≤ 4ms per channel
- Channel Isolation: Optical isolation for signal protection (~1500V)
- Communication Protocol: IONet Ethernet for system-level communication
- Redundant Pathway: Dual Ethernet ports for fault-tolerant operation
- Operating Temperature: –30°C to +65°C (industrial-grade range)
- Certifications: UL Class I Div 2, Zone 2 (when paired with proper terminal boards)
- Terminal Board Compatibility: Compatible with boards like IS200STCIH1A
- Mounting Style: Rack-mounted I/O module
- Power Consumption: 0.5A maximum at 24V DC
Technical Architecture & Functional Positioning
The IS220PDOIH1A serves as a discrete digital output module within the GE Mark VIe control system. Its primary function is to convert system-level commands into binary output signals for field devices such as actuators, relays, or control valves, facilitating real-time control of industrial processes.
This module’s optical isolation ensures that transient electrical interference or voltage surges from field wiring does not compromise the stability of the control system. It is equipped with dual Ethernet communication ports, supporting redundant pathways for ensuring continuous operation even in the event of a network failure.
With 24 discrete output channels, the IS220PDOIH1A is ideal for high-density applications requiring fast and reliable signal switching. The 4ms response time ensures quick switching, which is crucial in systems that rely on real-time control, such as turbine safety or process automation.
Typical Application Scenarios
- Turbine Control Systems: Used within Mark VIe systems for controlling field devices such as trip relays, solenoids, or limit switches in turbines and other machinery.
- Safety & Emergency Systems: Commonly found in safety-critical systems, controlling emergency shutdown valves, interlocks, or alarms based on system logic.
- Industrial Automation: Suitable for controlling actuators, motor starters, or other field equipment in heavy machinery or manufacturing environments.
- Control System Upgrades: Can replace or enhance older discrete output systems, providing faster switching times and greater reliability.
Quality Standards & Testing Procedures
Quality Philosophy
Every module, including the IS220PDOIH1A, is manufactured with a focus on reliability, ensuring that each part meets rigorous industry standards for functionality, safety, and performance. This is particularly important in turbine control and other industrial automation applications, where even brief downtime or failure can result in significant costs. The module undergoes a multi-stage testing process to guarantee that it functions correctly within the Mark VIe system and beyond.
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