Product Overview
The GE IS220YDOAS1A is a Discrete Output Pack designed for the Mark VIeS control system. It serves as a critical electrical interface between one or two I/O Ethernet networks and a discrete output terminal board, enabling precise control of up to 12 relays. This module combines a common processor board with a dedicated acquisition board, ensuring efficient and reliable operation in demanding industrial environments.
Technical Specifications
| Specification |
Value |
| Part Number |
IS220YDOAS1A |
| Manufacturer |
General Electric |
| Product Type |
Discrete Output Pack |
| Series |
Mark VIeS |
| Number of Buffered Outputs |
14 |
| N28 Ripple |
280 mV pk |
| N28 Maximum Current |
400 mA |
| Temperature Rating |
0 to 60 °C |
| Ambient Temperature Range |
-30 to +65 °C |
| Shipping Weight |
0.8 lb |
| Firmware |
V05.00 and Later |
| ControlST Software Suite Versions |
Supports V06.01 and Later |
| Manuals |
GEH-6725, Vol I and II |
Key Features & Benefits
-
Relay Control: Controls up to 12 electromagnetic relays, adaptable to various terminal boards such as TRLYS1B, D, and F.
-
Redundancy Flexibility: Supports simplex (one pack) or TMR (three packs) configurations to match system reliability requirements.
-
Robust Connectivity: Dual RJ-45 Ethernet ports and a three-pin power input ensure stable network and power connections.
-
Diagnostic LEDs: Onboard LEDs provide real-time status and alerts, simplifying troubleshooting and reducing downtime.
-
Self-Diagnostic Power-Up Test: Automatically checks processor hardware, flash memory, Ethernet ports, and RAM at startup.
Industry Applications
The GE IS220YDOAS1A is widely used in turbine control systems, power generation plants, and industrial process automation. Its ability to interface with multiple relay types makes it ideal for controlling actuators, solenoids, and other discrete output devices. In a typical Mark VIeS setup, this module ensures reliable switching and feedback, contributing to overall system uptime and operational efficiency.
Installation & Setup Guidance
Proper installation ensures optimal performance. Follow these steps:
- Mount the terminal board securely in the designated space.
- For simplex operation, plug one YDOA pack directly; for TMR, connect three packs into the terminal board connectors.
- Secure the packs using the threaded studs adjacent to the Ethernet ports, ensuring no right-angle force on the DC-37 connector.
- Connect one or two Ethernet cables; when using dual connections, link ENET1 to the network associated with the R controller.
- Apply power by inserting the side connector; the soft-start feature regulates inrush current.
- Configure the pack using the ToolboxST application per your operational requirements.
Maintenance & Reliability
Routine maintenance is minimal but essential. Periodically inspect the DC-37 connector for proper seating and check the Ethernet cables for wear. The module's self-diagnostic features help identify issues early, reducing unplanned downtime. Operating within the specified temperature range (0 to 60 °C) and ensuring adequate ventilation will extend service life.
Compatibility & Integration
The IS220YDOAS1A is part of the Mark VIe and Mark VIeS control systems. It works seamlessly with the ControlST software suite (V06.01 and later) and is compatible with various terminal boards, including TRLYS1B, D, and F. The dual Ethernet ports support redundant network configurations, enhancing system resilience.
Selection Guide & Purchasing Advice
Before purchasing, verify your system's redundancy requirements (simplex vs. TMR) and confirm that the terminal board type matches your application. Ensure your ControlST software version is compatible. PLC Source PRO offers this module in stock, ready to ship, with fast delivery to minimize your downtime.