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  3. MODICON AS-884A-100

MODICON AS-884A-100 Schneider Electric

As-884a-100 Modicon Schneider Electric / As884a100 Used

( Brand: Modicon ), ( Manufacturer Part Number: AS-884A-100 )

Review MODICON Schneider Electric As884a100 Used

The **Schneider Electric AS-884A-100** is a high-performance, modular analog input/output module designed for industrial automation applications within the Modicon (now Schneider Electric) Quantum series. This compact yet robust device is part of the AS-884 family, specifically tailored for use in distributed control systems where precise analog signal processing is essential. The AS-884A-100 features **100 analog input channels**, each capable of handling a wide range of voltage and current signals, making it ideal for monitoring temperature, pressure, flow rates, and other process variables in manufacturing, oil and gas, water treatment, and other industrial environments. With a **16-bit resolution**, this module ensures exceptional accuracy and reliability, delivering consistent performance even in demanding conditions. Its **isolated inputs** protect against electrical noise and voltage spikes, while the **dual-range capability** (4-20 mA or 0-20 mA, and 0-10 V or 1-5 V) provides flexibility to accommodate various sensor types without requiring additional signal conditioning. The AS-884A-100 integrates seamlessly with Schneider Electric s EcoStruxure architecture, offering compatibility with platforms like **Modbus, PROFIBUS, and Ethernet/IP**, ensuring smooth communication with PLCs, HMIs, and other automation systems. Its **compact, DIN-rail mountable design** allows for efficient space utilization in control panels, while its **wide operating temperature range (-40 C to 70 C)** ensures reliable operation in harsh industrial settings. Whether deployed in a factory floor, a chemical processing plant, or a renewable energy facility, this module delivers the precision, durability, and scalability required to optimize industrial automation processes.

### **Pros and Cons of buying a Modicon AS-884A-100 (Schneider Electric AS884A100)**

#### **Pros**

1. **Reliability and Proven Performance**

The AS-884A series is part of Schneider Electric s long-standing Modicon PLC line, known for industrial robustness and stability. These units have been widely used in automation for decades, with a strong track record in harsh environments.

2. **Compatibility with Schneider Ecosystem**

The AS-884A integrates seamlessly with other Schneider Electric products, including EcoStruxure, Unity Pro, and Modbus/Profibus networks. This makes it easier to expand or integrate with existing systems.

3. **High Input/Output Density**

The AS-884A-100 model offers a compact form factor with a high number of digital and analog I/O points (100 total), making it suitable for medium-sized control applications without requiring multiple PLCs.

4. **Modular Expandability**

The unit supports additional I/O modules (via expansion slots or remote I/O), allowing for scalability as process requirements grow.

5. **Legacy Support and Availability**

As a mature product line, spare parts, documentation, and technical support are still widely available, reducing long-term obsolescence risks.

6. **Deterministic Performance**

The AS-884A uses a fixed-scan-time architecture, which is critical for applications requiring precise timing control (e.g., motion control, synchronization tasks).

7. **Cost-Effective for Mid-Range Applications**

Compared to newer, more advanced PLCs, the AS-884A offers a balance between performance and cost, making it a budget-friendly choice for many industrial applications.

8. **Proven in Industrial Environments**

Schneider Electric s Modicon line has a history of operating reliably in factories, oil & gas, and manufacturing settings, where uptime is critical.

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#### **Cons**

1. **Outdated Technology**

The AS-884A is based on older PLC architecture (not Ethernet-native like newer models), which may require additional gateways or converters for modern communication protocols (e.g., Ethernet/IP, OPC UA).

2. **Limited Software Features**

Compared to modern PLCs (e.g., Schneider s EcoStruxure Micro or Modicon M580), the AS-884A lacks advanced features like built-in HMI integration, cloud connectivity, or AI-driven diagnostics.

3. **Manual Programming and Debugging**

Programming is done via structured text, ladder logic, or function block diagrams in Unity Pro or older software, which may be less intuitive than graphical or drag-and-drop interfaces found in newer systems.

4. **No Built-in Security Features**

Unlike modern PLCs with cybersecurity certifications (e.g., IEC 62443), the AS-884A has minimal built-in security, making it more vulnerable to network-based attacks if exposed to untrusted environments.

5. **Deprecated Support in Some Regions**

While still supported, some distributors may phase out stock or technical resources for this model over time, potentially increasing long-term maintenance costs.

6. **Limited Analog Performance**

The analog inputs/outputs (if included) may not match the precision of newer high-resolution ADCs found in modern PLCs.

7. **No Built-in Motion Control**

Advanced motion control features (e.g., servo integration, high-speed pulse generation) require additional modules or external controllers, unlike newer PLCs with integrated motion capabilities.

8. **Potential Compatibility Issues with Newer Systems**

Integrating the AS-884A with modern SCADA, MES, or IoT platforms may require middleware or third-party converters, adding complexity.

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### **Conclusion**

The **Modicon AS-884A-100** remains a solid choice for **mid-sized industrial automation applications** where reliability, legacy compatibility, and cost-effectiveness are priorities. It excels in environments where deterministic control, high I/O density, and Schneider ecosystem integration are critical. However, its **lack of modern communication protocols, limited software features, and outdated architecture** make it less ideal for future-proofing or applications requiring advanced connectivity, cybersecurity, or cloud integration.

If your application is **time-sensitive, cost-sensitive, and already part of a Schneider ecosystem**, the AS-884A is a practical selection. For **new projects or applications needing scalability, security, or modern features**, a newer PLC (e.g., Schneider s EcoStruxure Micro, Modicon M580, or Siemens S7-1200) would be a better long-term investment.

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### **Recommendation**

- **Buy the AS-884A-100 if:**

- You are maintaining or upgrading an existing Schneider Electric system.

- Your application requires high I/O density with deterministic timing.

- Budget constraints or legacy compatibility are critical.

- You have no immediate need for Ethernet/IP, OPC UA, or cloud connectivity.

- **Consider an alternative (e.g., EcoStruxure Micro, M580, or Siemens S7-1200) if:**

- You need modern communication protocols (Ethernet/IP, Modbus TCP, OPC UA).

- Cybersecurity or future-proofing is a priority.

- Your application requires advanced features like HMI integration, motion control, or cloud monitoring.

- You plan to expand the system significantly in the next 5 10 years.

For most **new installations or greenfield projects**, investing in a newer PLC with better connectivity and software support will provide greater flexibility and longevity. However, for **replacement or maintenance of legacy systems**, the AS-884A remains a dependable option.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

part #: as884a100 prices

  • $490.00-$1099.95

specifications sensoindustria:

  • brand: Modicon
  • mpn: As-884a-100

shipping sensoindustria:

  • transit: 29-34 Days
  • cost: $12.90
  • service: Standard
  • class: Standard
  • type: Fixed

general sensoindustria:

  • PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
  • condition: Used

offer sensoindustria:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: March 3, 2026
  • availability: In Stock

returns sensoindustria:

  • method: Money back
  • time: 30 Days
  • paid by: Buyer
  • policy: Returns Accepted

seller sensoindustria:

  • # reviews: 192853
  • city: 1 Millennium Dr, Willingboro, NJ 08046
  • rating: 99.6%

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category: business & industrial > plcs hmis > plc peripheral modules > plc input output modules, sku: 21163039177276793,
Modicon AS-884A-100 Is Similar To:
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3 offers $490.00–$1099.95 USD
  • Used. Offer #1 priced at $490.00 + $17.65 shipping estimate = $507.65* total. Modicon .+$17.65 shipping
  • Used. Offer #2 priced at $599.00 + $50.00 shipping estimate = $649.00* total. (B6) GOULD MODICON USED PROGRAMMABLE CONTROLLER AS884A100.+$50.00 shipping
  • Used. Offer #3 priced at $1099.95 + $20.00 shipping estimate = $1119.95* total. This item is to be installed by a Qualified Electrician/Technician.+$20.00 shipping

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