{"product_id":"yokogawa-model-eaoa-plc-module-as-e9740ea-04","title":"YOKOGAWA MODEL EAOA PLC MODULE AS E9740EA-04","description":"\u003ch3 data-section-id=\"1vt381m\" data-start=\"0\" data-end=\"22\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4\" data-end=\"20\"\u003eDescription:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"23\" data-end=\"483\"\u003eThe Yokogawa EA0A\u003ca href=\"https:\/\/plgautomation.com\/collections\/plcs-more\"\u003e PLC Module\u003c\/a\u003e AS-E9740EA-04 is used in distributed control systems for signal isolation and interface between control circuits and field devices. Commonly installed in Yokogawa PLC and DCS cabinets for signal conditioning and protection of instrumentation loops. Maintenance teams and system integrators use this part for isolating signals, replacing legacy interface modules, or maintaining stable communication between system components.\u003c\/p\u003e\n\u003ch3 data-section-id=\"10m4hth\" data-start=\"485\" data-end=\"508\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"489\" data-end=\"506\"\u003eApplications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"509\" data-end=\"1020\"\u003eThe Yokogawa EA0A module is commonly used in industrial automation environments where electrical isolation is required between field devices and control systems. It is frequently applied in oil \u0026amp; gas, chemical processing, and power generation systems to protect PLC\/DCS inputs from noise, voltage spikes, and ground loops. Isolation modules like this improve system reliability by ensuring clean signal transmission and preventing damage to sensitive control electronics. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"12f0hz5\" data-start=\"1022\" data-end=\"1057\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1026\" data-end=\"1055\"\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1058\" data-end=\"1741\"\u003e• Manufacturer: Yokogawa\u003cbr data-start=\"1082\" data-end=\"1085\"\u003e• Model \/ Part Number: EA0A \/ AS-E9740EA-04\u003cbr data-start=\"1128\" data-end=\"1131\"\u003e• Product Type: PLC Module \/ Signal Isolator Module\u003cbr data-start=\"1182\" data-end=\"1185\"\u003e• Function: Signal isolation and interface between field and control systems \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1299\" data-end=\"1302\"\u003e• System Compatibility: Yokogawa PLC \/ DCS systems\u003cbr data-start=\"1352\" data-end=\"1355\"\u003e• Installation: Rack-mounted within control cabinets\u003cbr data-start=\"1407\" data-end=\"1410\"\u003e• Signal Type: Analog or discrete interface (application dependent)\u003cbr data-start=\"1477\" data-end=\"1480\"\u003e• Role: Reduces electrical noise and prevents ground loop interference\u003cbr data-start=\"1550\" data-end=\"1553\"\u003e• Construction: Industrial-grade module for harsh environments\u003cbr data-start=\"1615\" data-end=\"1618\"\u003e• Application: Signal conditioning and protection in automation systems\u003cbr data-start=\"1689\" data-end=\"1692\"\u003e• Status: Legacy \/ surplus industrial component\u003c\/p\u003e\n\u003ch3 data-section-id=\"uqv3ss\" data-start=\"1743\" data-end=\"1773\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1747\" data-end=\"1771\"\u003eCommon Replacements:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1774\" data-end=\"1895\"\u003e• Yokogawa \u003ca href=\"https:\/\/plgautomation.com\/products\/yokogawa-ea1a-signal-conditioner-card-ea1a?_pos=1\u0026amp;_sid=075620cad\u0026amp;_ss=r\"\u003eEA1A \u003c\/a\u003eSignal Isolator Module\u003cbr data-start=\"1812\" data-end=\"1815\"\u003e• Yokogawa AAI143 Analog Input Module\u003cbr data-start=\"1852\" data-end=\"1855\"\u003e• Yokogawa \u003ca href=\"https:\/\/plgautomation.com\/products\/yokogawa-adv151-p63-adv151-digital-input-module-save?_pos=1\u0026amp;_sid=6eeb40728\u0026amp;_ss=r\"\u003eADV151 \u003c\/a\u003eDigital Input Module\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"New","offer_id":51734670967086,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_2341d69f-2acd-4d5a-bb98-59cea0ae321d.jpg?v=1770606875","url":"https:\/\/plgautomation.com\/products\/yokogawa-model-eaoa-plc-module-as-e9740ea-04","provider":"PLG Automation ","version":"1.0","type":"link"}