{"id":268623,"date":"2026-04-09T21:11:00","date_gmt":"2026-04-09T21:11:00","guid":{"rendered":"https:\/\/360digitizingsolutions.com\/shop\/product\/text-display-td-op320-a-op320-a-s-panel-display-screen-hmi-with-rs232-rs422-rs485-for-plc-replace-md204l\/"},"modified":"2026-05-05T12:46:22","modified_gmt":"2026-05-05T12:46:22","slug":"op320-a-op320-a-s-text-display-hmi-panel-rs232-rs422-rs485-plc-interface-screen-replacement-for-md204l-industrial-operator-panel","status":"publish","type":"product","link":"https:\/\/360digitizingsolutions.com\/shop\/product\/op320-a-op320-a-s-text-display-hmi-panel-rs232-rs422-rs485-plc-interface-screen-replacement-for-md204l-industrial-operator-panel\/","title":{"rendered":"OP320-A \/ OP320-A-S Text Display HMI Panel RS232 RS422 RS485 PLC Interface Screen Replacement for MD204L Industrial Operator Panel"},"content":{"rendered":"<p data-start=\"271\" data-end=\"640\">The <strong data-start=\"275\" data-end=\"321\">OP320-A \/ OP320-A-S Text Display HMI Panel<\/strong> is a reliable and cost-effective operator interface designed for seamless integration with PLC systems and industrial automation equipment. This compact text-based display screen provides efficient communication between operators and machines, making it an essential component for control panels and automation setups.<\/p>\n<p data-start=\"642\" data-end=\"936\">Designed to support <strong data-start=\"662\" data-end=\"713\">RS232, RS422, and RS485 communication protocols<\/strong>, this HMI panel ensures compatibility with a wide range of PLCs and industrial controllers. It allows real-time monitoring, data input, and system control, improving operational efficiency and reducing manual intervention.<\/p>\n<p data-start=\"938\" data-end=\"1224\">This model is widely used as a <strong data-start=\"969\" data-end=\"995\">replacement for MD204L<\/strong>, offering similar functionality with stable performance and easy installation. Its user-friendly interface enables operators to quickly access system information, configure parameters, and manage processes with minimal training.<\/p>\n<p data-start=\"1226\" data-end=\"1497\">Built for industrial environments, the OP320-A \/ OP320-A-S features a durable construction that ensures long-term reliability even in demanding conditions. The compact design makes it suitable for installations where space is limited, without compromising on performance.<\/p>\n<p data-start=\"1499\" data-end=\"1666\">Whether used in manufacturing lines, machinery control systems, or automation projects, this HMI panel delivers dependable operation and enhances overall productivity.<\/p>\n<p data-start=\"1668\" data-end=\"1685\"><strong data-start=\"1668\" data-end=\"1685\">Key Features:<\/strong><\/p>\n<ul data-start=\"1686\" data-end=\"2039\">\n<li data-section-id=\"1w9q2aj\" data-start=\"1686\" data-end=\"1719\">Models: OP320-A and OP320-A-S<\/li>\n<li data-section-id=\"2swt3b\" data-start=\"1720\" data-end=\"1762\">Text display HMI panel for PLC systems<\/li>\n<li data-section-id=\"1it1ilc\" data-start=\"1763\" data-end=\"1813\">Supports RS232, RS422, and RS485 communication<\/li>\n<li data-section-id=\"z10if9\" data-start=\"1814\" data-end=\"1853\">Direct replacement for MD204L panel<\/li>\n<li data-section-id=\"1x16qe3\" data-start=\"1854\" data-end=\"1889\">Compact and space-saving design<\/li>\n<li data-section-id=\"1c0npmp\" data-start=\"1890\" data-end=\"1929\">Easy installation and configuration<\/li>\n<li data-section-id=\"zb959l\" data-start=\"1930\" data-end=\"1976\">Stable and reliable industrial performance<\/li>\n<li data-section-id=\"1jkf8g0\" data-start=\"1977\" data-end=\"2039\">Ideal for automation, monitoring, and control applications<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>OP320-A \/ OP320-A-S text display HMI panel with RS232\/RS422\/RS485 support. Reliable PLC interface screen and a perfect replacement for MD204L.<\/p>\n","protected":false},"featured_media":268635,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[504,18388,97],"product_tag":[35951,35956,35841,35955,35934,35660,35950,35954,35949,35946,35933,35947,35953,35948,35952],"class_list":{"0":"post-268623","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-embroidery-machine-accessories","7":"product_cat-embroidery-machine-spare-parts","8":"product_cat-embroidery-machines","9":"product_tag-automation-display-screen","10":"product_tag-compact-hmi-screen","11":"product_tag-control-panel-display","12":"product_tag-electrical-control-display","13":"product_tag-hmi-text-display","14":"product_tag-industrial-hmi-panel","15":"product_tag-industrial-operator-panel","16":"product_tag-machine-operator-interface","17":"product_tag-md204l-replacement","18":"product_tag-op320-a","19":"product_tag-op320-a-s","20":"product_tag-plc-display-panel","21":"product_tag-plc-interface-screen","22":"product_tag-rs232-rs422-rs485-hmi","23":"product_tag-text-hmi-module","25":"first","26":"instock","27":"sale","28":"taxable","29":"shipping-taxable","30":"purchasable","31":"product-type-variable"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OP320-A \/ OP320-A-S Text Display HMI Panel RS232 RS422 RS485 PLC Interface Screen Replacement for MD204L Industrial Operator Panel - 360 Digitizing Shop<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/360digitizingsolutions.com\/shop\/product\/op320-a-op320-a-s-text-display-hmi-panel-rs232-rs422-rs485-plc-interface-screen-replacement-for-md204l-industrial-operator-panel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OP320-A \/ OP320-A-S Text Display HMI Panel RS232 RS422 RS485 PLC Interface Screen Replacement for MD204L Industrial Operator Panel - 360 Digitizing Shop\" \/>\n<meta property=\"og:description\" content=\"OP320-A \/ OP320-A-S text display HMI panel with RS232\/RS422\/RS485 support. 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