Description
🔧 Product Description
The GE General Electric IS220YDIAS1A is a Discrete Contact Input I/O Module designed for the GE Mark VIe Speedtronic turbine control system. It interfaces discrete field signals with the turbine control architecture and is intended for gas and steam turbine applications. The module operates from a nominal 28 VDC supply and is designed for connection with compatible Mark VIe terminal boards. It includes front-panel diagnostic indicators and supports industrial control applications where reliable discrete signal monitoring is required.
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | GE General Electric |
| Model | IS220YDIAS1A |
| Series | Mark VIe Speedtronic |
| Product Name | Discrete Contact Input I/O Module |
| Place of Manufacture | Salem, Virginia, USA |
| Product Status | New – Open Box |
| Dimensions | Approx. 3.25 × 1.65 × 4.78 in |
| Weight | Approx. 0.45–2 kg, depending on configuration/packing |
| Country of Origin | USA |
| Power | 28 VDC nominal |
The listed item condition is New – Open Box.
⚙️ Key Features
• Designed for GE Mark VIe Speedtronic turbine control systems
• Discrete contact input interface
• Nominal 28 VDC power supply
• Maximum contact input/wetting voltage of approximately 32 VDC
• Compatible with selected Mark VIe terminal boards
• Front-panel LED diagnostic indicators
• Designed for gas and steam turbine control applications
• Suitable for specified hazardous and non-hazardous industrial environments
• Operating temperature information is specified at approximately -35°C to +65°C for the module family
🏭 Discontinued Status
The IS220YDIAS1A belongs to the legacy Mark VIe generation. The exact lifecycle status can depend on the hardware revision and system configuration. It should therefore be treated as a replacement/maintenance component when matching an existing installation.
❓ Common Questions & Answers
Q: What is the IS220YDIAS1A?
A: It is a GE discrete contact input I/O module used in Mark VIe Speedtronic turbine control systems.
Q: What is its main function?
A: It receives discrete contact signals from field devices and provides their status to the turbine control system.
Q: What power supply does it use?
A: The module uses a nominal 28 VDC power supply.
Q: Which turbine systems can use this module?
A: It is designed for GE Mark VIe control applications, particularly gas and steam turbine systems.
Q: Does the module have diagnostic indicators?
A: Yes. Front-panel LED indicators provide status and diagnostic information.
Q: Can it be installed with any Mark VIe terminal board?
A: No. Compatibility should be confirmed against the specific terminal board and system configuration before installation.
Q: What should be checked before replacement?
A: Verify the complete part number, revision, terminal-board compatibility, wiring, firmware requirements, and existing system configuration.
Q: What does “New – Open Box” mean?
A: The item is listed as new but may have been removed from its original packaging or opened for inspection/testing.
🛡️ Safety Notes
• Disconnect system power before installation or removal.
• Use ESD protection when handling the I/O module.
• Verify terminal-board and wiring compatibility before energizing the system.
• Do not exceed the specified voltage limits.
• Turbine control equipment should be serviced by qualified personnel.
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