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- GE
- IS220YDIAS1A
- Discrete Contact Input I/O Pack Module
- USA
- 138 mm × 86 mm × 56 mm
- 0.9kg
- Xiamen, China
- New & In Stock
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Basic Information
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Brand: GE
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Series: Mark VIe / Y‑Series I/O Packs
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Model: IS220YDIAS1A
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Product Type: Discrete Contact Input I/O Module
Technical Specifications
| Parameter | Description |
|---|---|
| Model | IS220YDIAS1A |
| Brand | GE |
| Series | Mark VIe / Y‑Series I/O Packs |
| Product Type | Discrete Contact Input I/O Module |
| Dimensions | Approx. 138 mm × 86 mm × 56 mm |
| Weight | Approx. 0.9 kg (≈2 lbs) |
| Input Channels | Up to 24 discrete contact inputs (typical) |
| Input Signal Types | Dry contact (≤100Ω closed), or wet contact 18–32 V DC |
| Response Time | Rising/falling edge ≤1 ms typical; adjustable debounce 1–200 ms |
| Isolation | Photo‑isolation each channel to backplane, ≥2 kVrms |
| Operating Temperature | ‑35 °C to +65 °C typical |
| Power Supply | Nominal 28 V DC onboard supply |
Product Description
The IS220YDIAS1A is a discrete input I/O pack module engineered for the GE Mark VIe control system family. It is designed to interface with field contact inputs—switches, dry contacts, relay contacts, limit switches—and provide those statuses into the control rack network reliably. With up to 24 discrete channels, high isolation, fast response times and dual‑Ethernet readiness, the module supports demanding industrial automation applications, especially in turbine control, power generation, and heavy process plants.
Its compact size and modest weight make it straightforward to install into control cabinets or existing racks. The module supports configurable debounce filtering, acknowledgement of wet or dry contacts, and robust isolation to protect control logic from field noise or ground loops. Because it is part of the Y‑Series I/O packs, it integrates directly into the Mark VIe subsystems with matching terminal boards, providing a drop‑in module for signal acquisition.
Applications
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Discrete input acquisition for turbine control systems (gas or steam turbines) monitoring contacts such as valve positions, breaker status, limit switches.
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Distributed I/O in power‑generation plants where multiple discrete contact signals must be gathered and communicated via control rack or Ethernet network.
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Process automation in industrial plants (chemical, oil & gas) where discrete contact signals form the backbone of interlock, safety and monitoring functions.
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Retrofit or spare module in older control racks (Mark VIe) needing replacement discrete input packs without redesign of the system.
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High‑availability systems requiring fast and reliable discrete input signalling with isolation and diagnostics.
Advantages
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High channel density – Up to ~24 discrete inputs in one module reduces system footprint.
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Robust isolation between field contacts and internal electronics protects against noise and enhances signal integrity.
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Fast response and configurable filtering – Ensures real‑time signal capture and helps prevent false triggers.
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Compact and lightweight design – Easy to fit into control cabinets and retrofit installations.
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Industrial temperature range – Suited for harsh environments with ambient ranges down to approx. ‑35 °C.
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Seamless integration with Mark VIe rack architecture and terminal boards, simplifying system design.
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Simplified maintenance and replacement – Standardized module allows quicker swap‑out and reduced downtime.
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Reliable field signal capture – Critical for safety, monitoring and control systems where discrete status signals drive logic.
Related / Series Models
| Model | Description | Key Specifications (Dimensions / Weight) |
|---|---|---|
| IS220YDIAS1A | Current product – discrete contact input I/O pack | ~138×86×56 mm / ~0.9 kg |
| IS220YDOAS1A | Discrete output pack of the same Y‑Series I/O family | Size/weight similar |
| IS220YAICS1A | Safety analog input pack (Y‑Series) | Similar form‑factor |
| IS220YHRAS1A | HART analog I/O safety pack | Comparable size |
| IS220YPROS1A | Protection I/O pack in Y‑Series | Similar module size |
Popular Models from the Same Brand
| Model | Description | Key Specifications (Dimensions / Weight) |
|---|---|---|
| IS215WEPAH2AB | Pitch axis control module (wind/industrial turbine) | ~200×150×50 mm / ~1.2 kg |
| IS200AEPAH1ACB | Control‑system power/interface module | ~100×150×50 mm / ~0.8 kg |
| IS215PMVPH1AA | Processor/logic board for turbine control | ~330×100×200 mm / ~2.0 kg |
| IS215VCMH2B | Communication & monitoring module (VME architecture) | ~258×160×40 mm / ~1.9 kg |
| IS215REBFH1BA | Relay‑output control board | ~335×175×35 mm / ~0.56 kg |
FAQ (Frequently Asked Questions)
Q1: What is the IS220YDIAS1A used for?
A1: It is used to capture discrete contact input signals (on/off inputs from switches, relays, limit switches) and interface them into a control rack, particularly within GE’s Mark VIe systems.
Q2: Which series does this module belong to?
A2: It belongs to the Mark VIe Y‑Series I/O Pack family of modules.
Q3: What are its dimensions and weight?
A3: The module measures approximately 138 mm × 86 mm × 56 mm and weighs around 0.9 kg.
Q4: How many discrete input channels does it support?
A4: It supports up to approximately 24 discrete contact input channels, depending on terminal board arrangement.
Q5: What signal types does it accept?
A5: It can accept dry contacts (no‑voltage) or wet contacts (18–32 V DC) via configuration.
Q6: What is its response time?
A6: It supports nominal rising/falling‑edge response times of ≤1 ms and variable debounce filtering from 1 to 200 ms.
Q7: Is it suitable for harsh industrial environments?
A7: Yes. It operates in typical ambient conditions from roughly ‑35 °C to +65 °C and features strong isolation and rugged design.
Q8: Can it be used in existing control racks for retrofit?
A8: Yes. The module is designed to integrate into Mark VIe racks, enabling upgrades or spare replacements without major redesign.
Q9: What features help with maintenance and diagnostics?
A9: The module includes front‑panel LED indicators for status, supports module swap‑out, and uses standard terminal boards for wiring, enhancing maintainability.
Q10: What pre‑checks should I make before purchasing this module?
A10: Verify the exact model number and revision (IS220YDIAS1A), ensure compatibility with your terminal board type, check ambient environmental conditions, confirm power supply and rack slot compatibility.
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