{"product_id":"siemens-6es7157-0af81-0xa0-simatic-dp-active-field-distributor","title":"Siemens 6ES7157-0AF81-0XA0 SIMATIC DP Active Field Distributor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e6ES7157-0AF81-0XA0\u003c\/strong\u003e is a \u003cstrong\u003eSIMATIC DP Active Field Distributor (AFD)\u003c\/strong\u003e specifically engineered for \u003cstrong\u003ePROFIBUS PA\u003c\/strong\u003e process automation networks. This module facilitates the distribution of bus signals while providing integrated support for ring redundancy and automatic bus termination. Designed for deployment in demanding environments, the \u003cstrong\u003e6ES7157-0AF81-0XA0\u003c\/strong\u003e features four short-circuit-proof spurs, which prevent individual device faults from compromising the integrity of the entire fieldbus segment. With an \u003cstrong\u003eIP65\u003c\/strong\u003e ingress protection rating and an expanded operating temperature range, this distributor ensures robust and reliable signal transmission in harsh industrial settings.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctionality:\u003c\/strong\u003e Active Field Distributor for PROFIBUS PA networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundancy:\u003c\/strong\u003e Supports ring redundancy for high-availability communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination:\u003c\/strong\u003e Integrated automatic bus termination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Equipped with 4 short-circuit-proof spurs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e IP65 rating for dust and moisture resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Range:\u003c\/strong\u003e Designed for expanded temperature range applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChemical and petrochemical processing plants.\u003c\/li\u003e\n\u003cli\u003ePharmaceutical manufacturing lines.\u003c\/li\u003e\n\u003cli\u003eOil and gas field instrumentation networks.\u003c\/li\u003e\n\u003cli\u003eWater and wastewater treatment facility automation.\u003c\/li\u003e\n\u003cli\u003eLarge-scale distributed I\/O process control systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\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\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubrange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDP (Decentralized Peripherals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6ES7157-0AF81-0XA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eActive Field Distributor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpur Connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 (Short-circuit-proof)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS PA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.10 cm x 17.80 cm x 12.70 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.70 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the unit is mounted in a location that minimizes exposure to direct physical impact while remaining accessible for wiring maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e Verify that all cable glands and unused ports are correctly sealed to maintain the IP65 rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Proper grounding of the fieldbus shield is essential to minimize electromagnetic interference (EMI) and maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Maintain appropriate bending radii for PROFIBUS PA cables; avoid routing fieldbus cables in parallel with high-voltage power lines to prevent signal coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e The spurs are inherently short-circuit-proof; however, always verify field device wiring for correct polarity and integrity before connecting to the AFD.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52716779569515,"sku":"6ES7157-0AF81-0XA0","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/6es7157-0af81-0xa0-ogqggzktjwj_762afd46-a2c4-431c-9bfb-4feb346b7bd9.jpg?v=1767089482","url":"https:\/\/www.plcprotech.com\/products\/siemens-6es7157-0af81-0xa0-simatic-dp-active-field-distributor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}