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Product Introduction
The GE IS220PDOAH1B Discrete Output Module is a rugged, high-performance I/O device used within GE’s Mark VIe control platform. It is designed to provide fast, reliable switching of discrete output signals to control field actuators, relays, solenoids, and other electromechanical devices.
Engineered for demanding turbine and industrial applications, the IS220PDOAH1B integrates comprehensive diagnostic and protection features to ensure safe and efficient operation. The module communicates with the control system via redundant Ethernet IONet and supports hot-swappable operation when used with compatible terminal boards.
With its compact footprint and advanced diagnostics, this module helps simplify field wiring, reduce maintenance downtime, and ensure optimal system performance in a wide range of critical applications.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | GE IS220PDOAH1B Discrete Output Module |
| Model Number | IS220PDOAH1B |
| Series | GE Mark VIe / IS220 Series |
| Function | 16-point discrete output module |
| Number of Output Channels | 16 discrete outputs |
| Output Voltage Range | 18–32 VDC (nominal 24 VDC) |
| Output Type | High-side sourcing |
| Output Current per Channel | 0.5 A (maximum continuous per channel) |
| Simultaneous Channel Capacity | All channels rated for full simultaneous operation |
| Isolation | Channel-to-channel and channel-to-ground |
| Onboard Diagnostics | Open load, short circuit, overload, status LEDs |
| Communication Interface | Ethernet IONet (dual redundant) |
| Input Power Supply | External 24 VDC (nominal) |
| Module Power Consumption | ~7 W typical |
| Hot-Swappable | Yes (when used with compatible terminal boards) |
| Operating Temperature Range | -30°C to +65°C |
| Storage Temperature Range | -40°C to +85°C |
| Humidity Range | 5% to 95%, non-condensing |
| Shock / Vibration Compliance | IEC 60068 |
| Mounting Type | Panel-mounted or DIN rail |
| Dimensions (H x W x D) | 82.6 x 41.9 x 121 mm |
| Weight | 0.8 kg |
| Certifications | CE, UL, CSA, ISO9001 |
Product Applications
The GE IS220PDOAH1B module is a widely used discrete output module in both turbine control systems and general industrial automation environments:
-
Gas Turbine Control
Drives solenoids, actuator valves, and protective relays in turbine control systems. -
Steam Turbine and Generator Controls
Controls auxiliary relays, trip solenoids, and field contactors. -
Combined Cycle Plants
Interfaces with balance-of-plant equipment such as cooling fans, pumps, motors, and compressors. -
Power Plant Automation
Outputs to MCCs (motor control centers), alarms, annunciators, and safety interlock relays. -
Refineries and Chemical Processing
Drives process actuators and emergency shutdown devices (ESD). -
Retrofitting Legacy Systems
Enables modern discrete control and monitoring when upgrading older Mark VI, Mark V, or Mark IV systems.
Product Advantages
-
High Output Density
Provides 16 outputs in a single module, reducing system footprint. -
Robust Design
Industrial-grade components ensure long-term reliability in harsh environments. -
Diagnostic Intelligence
Integrated monitoring detects open load, short circuit, and overload conditions per channel. -
Redundant Ethernet Interface
Dual Ethernet IONet connectivity ensures secure and high-speed communication with controllers. -
Hot-Swappable Capability
Enables field replacement without system shutdown when used with proper terminal boards. -
Flexible Integration
Backward-compatible with GE Mark VIe architecture and prior control generations. -
Global Compliance
Certified for use in international applications under CE, UL, CSA, and ISO9001 standards. -
Enhanced Safety
Channel isolation provides high protection against ground loops and electrical faults.
Frequently Asked Questions (FAQ)
-
What is the primary function of the IS220PDOAH1B?
It provides 16 discrete outputs to control field devices such as solenoids, relays, and actuators. -
How many output channels are supported?
16 discrete output channels. -
What is the nominal output voltage range?
18–32 VDC (nominal 24 VDC). -
How much current can each output channel provide?
Each channel supports up to 0.5 A continuous output. -
Are the channels isolated?
Yes—channel-to-channel and channel-to-ground isolation is provided. -
What diagnostic features are built in?
The module detects open load, short circuit, overloads, and provides LED status indicators. -
Is the module hot-swappable?
Yes, when used with compatible GE terminal boards. -
What kind of applications use this module?
Power generation, oil & gas, chemicals, industrial automation, turbines, and retrofits. -
Is this module compatible with Mark VI and older systems?
Yes, it supports integration with Mark VI and can be used for upgrades. -
How is the module mounted?
It can be mounted to a panel or DIN rail.
Recommended Related Models
| Model Number | Description |
|---|---|
| IS220PDIAH1A | Discrete Contact Input Terminal Board |
| IS220PDIOH1B | Discrete Input/Output Module |
| IS220PAICH1B | Analog Input Module |
| IS220PAOCH1B | Analog Output Module |
| IS220PTCCH1A | Thermocouple Input Module |
| IS220VPROH1B | Vibration and Speed Protection Module |
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