{"product_id":"schneider-electric-as-m84a-001-modicon-micro-84-controller-main-unit","title":"Schneider Electric AS-M84A-001 Modicon Micro 84 Controller Main Unit","description":"\u003cp\u003eThe \u003cstrong\u003eSchneider Electric AS-M84A-001\u003c\/strong\u003e 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 \u003cstrong\u003eAS-M84A-001\u003c\/strong\u003e serves as the central processing block that manages system memory, timing, counting, and sequential operations across connected discrete I\/O channels.\u003c\/p\u003e\n\u003ch3\u003eCore Architecture and Processing\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch3\u003ePower Input and I\/O Capability\u003c\/h3\u003e\n\u003cp\u003eAn 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.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAS-M84A-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric (Modicon)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eProgrammable Logic Controller Main Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMicro 84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120\/240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 112 I\/O points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgramming Interface\u003c\/td\u003e\n\u003ctd\u003eDedicated Modicon Programmer Port (P370 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproximate Weight\u003c\/td\u003e\n\u003ctd\u003e5.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eFrequently Asked Questions\u003c\/p\u003e\n\u003cp\u003eQ: 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.\u003c\/p\u003e\n\u003cp\u003eQ: 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.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":67125139243123,"sku":"AS-M84A-001","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/AS-M84A-001__1.png?v=1793956898","url":"https:\/\/www.dcssupplier.com\/products\/schneider-electric-as-m84a-001-modicon-micro-84-controller-main-unit","provider":"DcsSupplier Limited","version":"1.0","type":"link"}