{"product_id":"mitsubishi-a1sx81-s2-input-unit-module-dc-24v-7ma-a1sx81s2","title":"Mitsubishi A1SX81-S2 Input Unit Module DC 24V 7mA A1SX81S2","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"0\" data-end=\"18\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"19\" data-end=\"534\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/mitsubishi\"\u003eMitsubishi\u003c\/a\u003e A1SX81-S2 is a digital input module designed for the MELSEC-A series \u003ca href=\"https:\/\/plgautomation.com\/collections\/plcs-more\"\u003eprogrammable logic controllers\u003c\/a\u003e, providing reliable signal acquisition from field devices in industrial automation systems. Commonly installed in control panels, production lines, and machine automation systems, it processes discrete input signals from sensors, switches, and relays. Maintenance teams and system integrators use this module for system expansion, input signal monitoring, and replacement of legacy PLC input modules.\u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"536\" data-end=\"555\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"556\" data-end=\"857\"\u003eThe Mitsubishi A1SX81-S2 is used in industrial automation environments requiring stable and accurate digital input handling. Typical applications include assembly lines, conveyor systems, packaging machines, and process control systems where multiple field inputs must be monitored and integrated into PLC logic.\u003c\/p\u003e\n\u003ch3 data-section-id=\"68ulmp\" data-start=\"859\" data-end=\"890\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"891\" data-end=\"1645\"\u003e• Manufacturer Part Number (MPN): A1SX81-S2\u003cbr data-start=\"934\" data-end=\"937\"\u003e• Product Type: Digital Input Module (PLC I\/O Module)\u003cbr data-start=\"990\" data-end=\"993\"\u003e• Series: MELSEC-A Series\u003cbr data-start=\"1018\" data-end=\"1021\"\u003e• Number of Inputs: 32 points \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1088\" data-end=\"1091\"\u003e• Input Type: DC input (sink\/source compatible) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1176\" data-end=\"1179\"\u003e• Rated Input Voltage: 24 VDC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1246\" data-end=\"1249\"\u003e• Input Current: ~7 mA per point (typical)\u003cbr data-start=\"1291\" data-end=\"1294\"\u003e• Isolation Method: Photocoupler isolation (typical for A-series)\u003cbr data-start=\"1359\" data-end=\"1362\"\u003e• Wiring Method: Terminal block connection\u003cbr data-start=\"1404\" data-end=\"1407\"\u003e• Internal Current Consumption: —\u003cbr data-start=\"1440\" data-end=\"1443\"\u003e• Weight: ~0.4 lbs (~0.18 kg) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1510\" data-end=\"1513\"\u003e• Compatibility: MELSEC-A and AnS series base units\u003cbr data-start=\"1564\" data-end=\"1567\"\u003e• Status: Discontinued \/ legacy module\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"1647\" data-end=\"1673\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1674\" data-end=\"1821\"\u003e• Mitsubishi \u003ca href=\"https:\/\/plgautomation.com\/products\/mitsubishi-a1sx81?_pos=1\u0026amp;_sid=9967b3edb\u0026amp;_ss=r\"\u003eA1SX81\u003c\/a\u003e (standard variant)\u003cbr data-start=\"1712\" data-end=\"1715\"\u003e• Mitsubishi A1SX82 (higher input capacity)\u003cbr data-start=\"1758\" data-end=\"1761\"\u003e• Mitsubishi \u003ca href=\"https:\/\/plgautomation.com\/products\/mitsubishi-qx41?_pos=1\u0026amp;_sid=52c396954\u0026amp;_ss=r\"\u003eQX41\u003c\/a\u003e (Q-series migration option with adapter)\u003c\/p\u003e","brand":"Mitsubishi","offers":[{"title":"New","offer_id":50558414094638,"sku":"New","price":277.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/A1SX81-S2.jpg?v=1751960084","url":"https:\/\/plgautomation.com\/products\/mitsubishi-a1sx81-s2-input-unit-module-dc-24v-7ma-a1sx81s2","provider":"PLG Automation ","version":"1.0","type":"link"}