The GE Fanuc IS220PDIOH1BG is a VersaMax I/O Pack designed to support both high-speed digital input and output operations. Primarily used in GE Mark VIe and Mark VIeS turbine control systems, this module is responsible for capturing high-frequency pulse inputs and controlling digital outputs with precise timing.

The IS220PDIOH1BG serves as a pulse accumulator and high-speed counter, capable of processing encoder signals, pulse trains, or proximity switch inputs. It integrates seamlessly with the GE IONet network and is hot-swappable, reducing system downtime during maintenance.

This module includes an onboard processor, diagnostics, and advanced filtering features, ensuring real-time, deterministic performance in mission-critical industrial automation environments such as power generation, oil & gas, and process industries.

Key Features

• 8 digital inputs and 8 digital outputs, high-speed capable

• Supports pulse counting and frequency measurement

• Individually configurable I/O points

• Input filtering and debounce logic for noise immunity

• Integrated I/O processor with onboard diagnostics

• Connects via IONet Ethernet for real-time data exchange

• Hot-swappable and auto-identifiable within the Mark VIe system

• LED indicators for power, I/O status, and network activity

• Suitable for TMR (Triple Modular Redundant) and simplex systems

Technical Specifications

Industry Applications

The IS220PDIOH1BG is used across a wide range of real-time control applications requiring fast digital response and pulse signal processing, including:

• Gas and Steam Turbines – Shaft speed monitoring, pulse-based feedback

• Power Generation Plants – Generator breaker control, fast I/O logic

• Oil & Gas – Compressor and pump speed input, valve control

• Process Automation – Encoder tracking for flow meters or conveyor systems

• Manufacturing – High-speed counting in assembly lines or material handling

• Water Treatment – Flow totalization and solenoid valve control

Product Advantages

• Combines digital input and output functions in a compact module

• High-speed pulse processing capability with low-latency response

• Built-in diagnostics and LED feedback streamline troubleshooting

• Seamless integration with GE’s IONet-based Mark VIe platform

• Flexible configuration via ToolboxST, including input filtering, debounce, and pulse modes

• Hot-swappable, reducing system downtime during maintenance

• Suitable for use in redundant (TMR) or simplex system architectures

• Industrial-grade ruggedness, designed for harsh environments

Frequently Asked Questions (FAQ)

1. What is the IS220PDIOH1BG used for?

It is used for high-speed digital input and output control, as well as pulse counting, in GE Mark VIe systems.

2. How many I/O channels does it support?

The module has 8 digital inputs and 8 digital outputs.

3. Can it be used for encoder signal input?

Yes, it supports quadrature and pulse-based input from encoders.

4. Is it hot-swappable?

Yes, the module can be replaced without powering down the system.

5. What is the maximum input frequency supported?

Up to 10 kHz, depending on configuration and input filtering.

6. How is the module configured?

Using GE ToolboxST software, which allows channel-specific configuration.

7. Does the module support redundancy?

Yes, it can be used in Triple Modular Redundant (TMR) systems.

8. How does it communicate with the controller?

Through IONet Ethernet, connecting to the Mark VIe controller rack.

9. What kind of isolation does it provide?

It offers 1500 V isolation between field signals and logic circuits.

10. Can the firmware be upgraded?

Yes, firmware updates are supported via network interfaces (IONet).