Product Details
Product Overview
The IS220YDOAS1A functions as a high-density Discrete Output (YDOA) I/O pack within the General Electric Mark VIe control architecture. This Brand New original module digitizes and executes command signals for turbine auxiliary systems, managing solenoids, relays, and interposing circuits. Manufactured in the USA, this pack serves as a critical interface between the IONet redundant controller network and the field-side terminal boards, ensuring deterministic switching logic for gas and steam turbine operations.
Technical Specifications
The IS220YDOAS1A utilizes a specialized hardware layer to provide low-noise, high-precision switching capabilities.
| Feature | Specification Details |
| Manufacturer | General Electric (GE) |
| Part Number | IS220YDOAS1A |
| Product Type | Discrete Output Pack |
| Buffered Outputs | 14 Channels |
| Power Supply (N28) | 28 V DC (Nominal) |
| Maximum N28 Current | 400 mA |
| Ripple Voltage (N28) | 280 mV pk (Maximum) |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Country of Origin | United States (USA) |
Engineering Advantages
-
Optimized Signal Integrity: The pack maintains a 280 mV pk ripple limit on the N28 power line. This strict noise suppression prevents electrical interference from corrupting sensitive digital logic, ensuring the module executes output commands without chatter or false triggers.
-
High-Density Buffered Outputs: Fourteen independent buffered output channels reside within a single compact housing. This high density allows engineers to consolidate relay control points, significantly reducing the physical footprint of the I/O rack in crowded control rooms.
-
Direct Terminal Board Integration: The IS220YDOAS1A plugs directly onto specialized terminal boards via a high-density D-type connector. This eliminates internal cabinet wiring, reduces potential points of failure, and accelerates the commissioning process for new turbine control skids.
-
Redundant Network Compatibility: Dual Ethernet RJ45 ports allow the pack to communicate across the Mark VIe IONet. If one network path encounters a fault, the pack maintains communication with the controller, providing the high availability required for mission-critical industrial applications.
FAQs
-
Is this IS220YDOAS1A module a factory-new original?
Yes. We supply this unit as a 100% Brand New original GE factory-sealed product. It arrives in original anti-static packaging with all factory inspection markings, ensuring it has never been deployed in a field environment.
-
Does the pack require external power for its buffered outputs?
The module draws power from the N28 supply (28 V DC). You must ensure the power supply remains within the 400 mA maximum current limit to maintain the rated 280 mV pk ripple performance and protect the internal switching transistors.
-
What determines the output voltage of the buffered channels?
The output voltage typically follows the N28 supply voltage. The IS220YDOAS1A acts as a high-speed electronic switch; therefore, the quality and stability of your system’s power distribution module directly impact the output signal quality.
-
Can I replace an "S1A" pack with a later "S1B" version?
While later revisions often maintain backward compatibility, you must verify the firmware version within your ToolboxST configuration. The S1A remains a standard, active revision for many Mark VIe systems requiring specific 14-channel output mapping.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.