{"product_id":"siemens-6av3637-1ll00-0ax0-operator-interface-panel","title":"Siemens 6AV3637-1LL00-0AX0 Operator Interface Panel","description":"\u003cdiv\u003e\u003cp\u003eSiemens 6AV3637-1LL00-0AX0 is the OP37 Operator Panel, a legacy SIMATIC HMI terminal that served as the operator interface for older Siemens PLC systems. This 6AV3637-1LL00-0AX0 variant is delivered without a hard disk drive or floppy disk drive (HD\/FD omitted), aligning with its status as a compact field device rather than a modern, onboard-programmed panel. The OP37 family supports multiple communication options, including RS232 (IF1A), MPI\/Profibus (IF1B), and RS232\/V.24 (IF2), enabling integration with a range of PLC interfaces; for programming, Siemens documentation and common practice reference use cables such as 6AV6671-8XB00-0XA0. This OP37 model is part of a discontinued line from the late 1990s ProTool era, commonly deployed for operator input, display, and control in legacy automation rooms, often with S5\/S7 families. If you’re maintaining or migrating legacy systems, this panel provides a familiar front-end interface on compatible Siemens controls, though modern replacements exist for new projects.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":46268254290154,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-017.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-6av3637-1ll00-0ax0-operator-interface-panel","provider":"GTG Hardware","version":"1.0","type":"link"}