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Phone: +86 16626708626Description
Product Model: IS220PDIOH1A
Product Brand: GE (General Electric)
Product Series: Mark VIe Control System I/O
Product Features:
• Robust digital input/output interface designed for industrial control systems
• Seamless integration with GE Mark VIe automation architecture
• High-speed signal processing with reliable state reporting
• Engineered for heavy duty environments with vibration and temperature tolerance
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | IS220PDIOH1A |
| Manufacturer | GE (General Electric) |
| Series | Mark VIe Digital I/O |
| Module Type | Digital Input/Output Interface |
| Electrical Interface | Standard Mark VIe backplane connectors |
| Input Compatibility | Discrete field signal inputs |
| Output Drive | Discrete digital outputs with rugged drivers |
| Operating Temperature | Rated for industrial cabinet environments |
| Mounting | Rack or cabinet installation |
| Status Indicators | Channel and board level LEDs |
| Environmental Tolerance | Designed for vibration and EMI exposure |
| Application Areas | Turbine control, protection systems, process automation |
- IS220PDIOH1A
- IS220PDIOH1A
Product Role & System Fit
In modern automated plants, the performance of control systems depends not just on logic execution but on timely, reliable interaction with field signals. The IS220PDIOH1A from GE represents a pivotal class of interface modules: digital input/output (I/O) boards designed specifically for the Mark VIe control ecosystem. In essence, this board bridges the digital real world — switches, solenoids, indicators, and discrete sensors — with the logical world of controllers and protection systems.
Unlike analog modules that handle continuous values like temperature and pressure, a digital I/O board focuses on binary states — on/off, high/low, open/closed. These are the kinds of signals that might represent whether a generator breaker is closed, a turbine bearing temperature alarm has triggered, or a safety interlock has been satisfied. The IS220PDIOH1A is engineered to manage these discrete signals accurately and efficiently, maintaining state integrity even in electrically noisy industrial environments.
Its place within a Mark VIe rack or cabinet is deliberate. GE’s architecture segments processing, communications, and I/O into modular elements that can be serviced independently. The IS220PDIOH1A fits into predefined slots designed for digital I/O, communicating with the central processor and with other I/O racks via standardized backplane connections. This structural consistency simplifies system builds, reduces integration errors, and ensures that field signal timing and state reporting remain predictable.
Beyond connectivity, the board’s digital logic and buffering mechanisms help filter transient glitches and protect downstream processors from voltage spikes or miswired field circuits. Field technicians and system integrators appreciate this because it reduces the incidence of hard-to-find intermittent faults — issues that historically have caused control trips or false alarms in turbine and generator control systems.
In plants where control systems are layered for redundancy, such as dual Mark VIe cabinets for high availability gas turbine control, the IS220PDIOH1A also plays well with duplicated signal paths, maintaining consistent state across mirrored logic channels. For facilities with aging fleets, having a digital I/O board that aligns precisely with Mark VIe protocols and mechanical specifications helps future-proof upgrades and replacements.
