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Schneider AEG AS-884A-201 Programmable Logic Controller
Schneider AEG AS-884A-201
The AS‑884A‑201 is a programmable logic controller (PLC) belonging to the Modicon series of Schneider Electric (formerly AEG), and it is part of the 800-series modular product lineup. Adopting a compact rack-mount structure, it supports a variety of I/O expansion modules, enabling high-speed and reliable process control and automation in industrial field applications.
Key Technical Specifications
Model: AS‑884A‑201Controller Type: Programmable Logic Controller (PLC)CPU: Based on Modicon 800-series CPU, supporting multiple programming languages such as Ladder Diagram (LD) and Structured Text (ST)Power Supply: AC 110/230 V or DC 24 VCommunication Interfaces: Built-in Modbus, industrial buses (e.g., PROFIBUS, CANopen) and optional Ethernet modulesIndicator Lights: Status indicators including PWR, RUN and FAULT for quick on-site diagnosisOperating Temperature: 0 ℃ – 60 ℃; Storage Temperature: -40 ℃ – 85 ℃Mounting Method: Modular rack mounting, compatible with 800-series standard racksDiscontinuation Status: Discontinued by the original manufacturer; most units on the market are used or refurbished
Product Features
- Modular Design: Separates CPU from I/O and communication modules, allowing flexible addition or removal based on on-site requirements to reduce retrofit costs.
- High Reliability: Industrial-grade components with anti-interference and anti-vibration performance, suitable for harsh working environments.
- Multi-protocol Compatibility: Built-in common industrial buses like Modbus, PROFIBUS and CANopen, supporting fieldbus interconnection.
- Quick Diagnosis: Status lights and built-in diagnostic functions help maintenance personnel locate faults rapidly.
- Easy Programming: Compatible with Schneider EcoStruxure control software, supporting multiple programming languages (Ladder Diagram, Function Block Diagram, Structured Text, etc.)
Structure & Components
- CPU Motherboard: Core processing unit, integrating CPU, memory and system clock.
- Power Module: Supplies stable DC power to CPU and expansion modules.
- I/O Expansion Modules: Plug-and-play modules including digital input/output, analog input/output and relay modules.
- Communication Modules: Interface cards for Modbus RTU, PROFIBUS, CANopen and Ethernet.
- Rack/Rail: Standard 800-series rack, used for fixing all modules and providing heat dissipation channels.
Typical Application Fields
- Manufacturing Automation: Motion control and monitoring of assembly lines, packaging machines and CNC machine tools.
- Process Control: Parameter adjustment for continuous production processes in chemical, food & beverage and pharmaceutical industries.
- Building & Facility Management: Centralized control of HVAC, lighting and security systems.
- Energy & Power: Distribution automation, generator set monitoring, and control of wind/solar inverters.
Installation & Maintenance Essentials
- Rack Mounting: Ensure the rack is firmly fixed and sufficient heat dissipation space is reserved; CPU and modules adopt snap-in plug-and-play design, avoid forced insertion/removal to prevent pin damage.
- Power Wiring: Connect AC 110/230 V or DC 24 V according to power module specifications; verify that phase sequence and grounding comply with local electrical codes.
- Wiring Labeling: Uniformly label all I/O and communication cables for convenient later maintenance and expansion.
- Environment Check: Maintain operating temperature within 0 ℃ – 60 ℃, avoid high humidity and high dust environments; install protective covers or dust filters if necessary.
- Software Debugging: Use EcoStruxure control software for project downloading, online monitoring and fault diagnosis; back up programs and parameters regularly.
- Regular Maintenance: Inspect power modules, terminals and heat sinks for looseness, corrosion or dust accumulation every 6 months; record fault indicator status and replace faulty modules promptly.
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