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Schneider Electric AS-M84A-001 Modicon Micro 84 Controller Main Unit

Brand/Manufacturer: Schneider Electric

Order Number: AS-M84A-001

Type: Programmable Logic Controllers

Country of Origin: France

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The Schneider Electric AS-M84A-001 is a compact programmable logic controller (PLC) main processor unit from the legacy Modicon Micro 84 series. Designed to replace conventional hardwired relay networks, this unit provides centralized execution of relay ladder logic for standalone machinery and small-scale automation processes. Operating on 120/240 VAC nominal utility power, the AS-M84A-001 serves as the central processing block that manages system memory, timing, counting, and sequential operations across connected discrete I/O channels.

Core Architecture and Processing

The controller executes user programs structured in simple relay ladder logic. Internal processing coordinates up to 112 input and output points distributed across compatible expansion I/O housing modules. Memory organization supports foundational control functions including internal relay coils, timers, counters, and basic mathematical or sequencing logic elements. Program storage is non-volatile or battery-backed depending on the exact memory module configuration installed, preserving logic execution parameters across system power cycles.

Power Input and I/O Capability

An integrated AC power supply accepts line input at 120/240 VAC (50/60 Hz) to power internal logic circuits and drive the system backplane. External field devices connect via dedicated discrete I/O modules interfaced with the main housing. The chassis structure allows maintenance personnel to inspect status indicators and attach external hand-held programming devices (such as the Modicon P370 programmer) through front-panel communication interfaces.

Technical Specifications

Parameter Specification
Model AS-M84A-001
Brand Schneider Electric (Modicon)
Product Type Programmable Logic Controller Main Unit
Series Micro 84
Input Voltage 120/240 VAC
Frequency 50/60 Hz
Max I/O Capacity Up to 112 I/O points
Programming Interface Dedicated Modicon Programmer Port (P370 compatible)
Approximate Weight 5.00 lbs

Frequently Asked Questions

Q: What programming tool is required to configure the Schneider Electric AS-M84A-001? A: The AS-M84A-001 is typically programmed using dedicated Modicon hardware programmers such as the P370 series programmer, which interfaces directly via the unit's front programming port.

Q: How does the AS-M84A-001 handle system I/O expansion? A: The main unit connects to external discrete I/O modules, supporting up to 112 input and output points to monitor sensors and control field actuators.

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We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

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"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

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