{"product_id":"siemens-6es7451-3al00-0ae0-fm-451-positioning-module","title":"Siemens 6ES7451-3AL00-0AE0 SIMATIC S7-400 FM 451 3-Axis Positioning Motion Controller","description":"\u003cp\u003eThe Siemens 6ES7451-3AL00-0AE0 is a SIMATIC S7-400 FM 451 positioning module with 3 channels for rapid\/slow traverse drives, each with 4 digital inputs and 4 digital outputs. It accepts symmetrical or asymmetrical incremental encoders up to 1 MHz and absolute SSI encoders, and it ships with the configuration package on CD.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6ES7451-3AL00-0AE0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S7-400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFM 451\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Axes \/ Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 (4 per axis)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 (4 per axis) - rapid traverse, creep, run right, run left\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectable Encoders\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncremental (symmetrical), Incremental (asymmetrical), Absolute SSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncremental Encoder Input Frequency (sym., max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncremental Encoder Input Frequency (asym., max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 kHz at 25 m cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAbsolute SSI Clock Frequency (max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAbsolute SSI Cable Length (shielded, max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 m at max. 156 kbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption (typ.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e550 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Loss (typ.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRequired Front Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x 48-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature, Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 x 290 x 210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight (approx.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1300 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003ePick the FM 451 when the drive interface is rapid\/slow traverse control via digital outputs rather than an analog setpoint, since its 4 outputs per axis (rapid traverse, creep, run right, run left) drive two-speed or bang-bang positioning stages directly. The 300 m SSI cable run and 1 MHz symmetrical-encoder input frequency both exceed what most 25 m asymmetrical-encoder installations need, so match the encoder type to the cable run rather than defaulting to the symmetrical input.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThree independent rapid\/slow traverse channels suit machines with multiple linear or rotary axes that position via two-speed drive logic rather than a continuous analog reference, such as gantry loaders or indexing tables on an S7-400 rack.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960605303067,"sku":"6ES7451-3AL00-0AE0","price":2831.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6es7451-3al00-0ae0-fm-451-positioning-module.png?v=1789798011","url":"https:\/\/stoklink.com\/products\/siemens-6es7451-3al00-0ae0-fm-451-positioning-module","provider":"Stoklink","version":"1.0","type":"link"}