{"product_id":"siemens-simatic-s5-wf-721-positioning-module-6fm1721-3aa20","title":"Siemens SIMATIC S5 WF 721 Modul Posisi (6FM1721-3AA20)","description":"\u003cp\u003eDescription\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e6FM1721-3AA20\u003c\/strong\u003e is a single-axis \u003cstrong\u003ePositioning Module (WF 721)\u003c\/strong\u003e from the \u003cstrong\u003eSIMATIC S5-135\/155\u003c\/strong\u003e family. Engineered by \u003cstrong\u003eSiemens\u003c\/strong\u003e, this module provides high-precision motion control by processing feedback from position encoders. It is highly versatile, supporting both \u003cstrong\u003eserial and incremental encoder\u003c\/strong\u003e interfaces, which allows it to adapt to various legacy automation setups. Despite being in a phase-out product lifecycle stage, it remains a critical component for the maintenance and operational continuity of older SIMATIC S5 control architectures in heavy industrial sectors.\u003c\/p\u003e\n\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Axis Control:\u003c\/strong\u003e Optimized for precise motion management of one machine axis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEncoder Versatility:\u003c\/strong\u003e Supports integration with serial and incremental position encoders for flexible feedback loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed specifically for the S5-135\/155 PLC racks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e Built to withstand the harsh conditions typical of legacy manufacturing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubrange\u003c\/td\u003e\n\u003ctd\u003eS5-135\/155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6FM1721-3AA20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePositioning Module (WF 721)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControlled Axes\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.40kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25.40 x 2.50 x 20.30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommodity Code\u003c\/td\u003e\n\u003ctd\u003e85389091\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePLM Product Phase\u003c\/td\u003e\n\u003ctd\u003ePhase-Out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eInstallation Guidelines\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Insertion:\u003c\/strong\u003e Power down the S5-135\/155 PLC rack before inserting or removing the WF 721 module to prevent electrical damage to the backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEncoder Wiring:\u003c\/strong\u003e Ensure that encoder cables are shielded and kept separate from power-carrying conductors to prevent signal interference with the pulse-counting circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Verify that the rack itself is properly grounded to ensure the stability of the low-voltage signals processed by the positioning module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Utilize the appropriate S5 programming tools to define the machine parameters and encoder scaling factors required for precise positioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Periodically inspect the edge connectors for signs of oxidation, which is common in older systems and can lead to intermittent positioning errors.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52716780880235,"sku":"6FM1721-3AA20","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/6fm1721-3aa20-0raprw1nf0q_5311516d-643d-41d6-9269-f18cc72c2e54.jpg?v=1767089536","url":"https:\/\/www.plcprotech.com\/id\/products\/siemens-simatic-s5-wf-721-positioning-module-6fm1721-3aa20","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}