{"product_id":"siemens-simatic-s5-6es5-701-3lh11-rack-expansion-frame","title":"Siemens 6ES5701-3LH11 Simatic S5 8-Slot Rack Expansion Frame","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5701-3LH11 is an 8-slot subrack expansion frame designed for the SIMATIC S5-115H programmable logic controller system. This chassis provides the necessary hardware infrastructure for scaling I\/O capacity in fault-tolerant, high-availability industrial environments. By enabling localized backplane extensions, this unit supports the redundant architecture required for critical process control applications, including thermal power generation and chemical processing, ensuring consistent signal integrity and system reliability.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-Slot Capacity:\u003c\/strong\u003e Provides eight dedicated slots for standard Simatic S5 modules, including digital, analog, and communication cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault-Tolerant Support:\u003c\/strong\u003e Specifically engineered to integrate with S5-115H redundant controller configurations, facilitating cross-coupling and synchronized I\/O processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Mechanical Design:\u003c\/strong\u003e Built for industrial environments with reinforced connector slots to maintain stable electrical contact under high-vibration conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive Backplane:\u003c\/strong\u003e Utilizes a rigid, high-speed parallel backplane bus to minimize latency and ensure deterministic data transmission between modules.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES5701-3LH11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eSimatic S5-115H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Type\u003c\/td\u003e\n\u003ctd\u003e8-Slot Expansion Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eNatural convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e95 percent non-condensing max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the subrack is securely mounted within a standard industrial enclosure or cabinet, providing sufficient clearance for natural convection cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Maintain a low-impedance ground connection to the chassis to ensure electromagnetic compatibility and protection against electrical noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Insertion:\u003c\/strong\u003e Always power down the system before inserting or removing modules to prevent electrical arcing or damage to the backplane pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Route signal cables away from high-voltage power lines and high-EMI sources to maintain signal integrity across the expansion bus.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this expansion frame compatible with standard S5-115U systems?\u003c\/h3\u003e\u003cp\u003eThe 6ES5701-3LH11 is specifically optimized for the S5-115H fault-tolerant series. While it shares physical characteristics with other S5 components, it is intended for use in S5-115H redundant architectures.\u003c\/p\u003e\u003ch3\u003eDoes this unit require external power?\u003c\/h3\u003e\u003cp\u003eThe unit acts as a passive expansion frame; power is typically distributed through the backplane from the associated power supply module installed within the rack configuration.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50998077751548,"sku":"6ES5701-3LH11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_653951f6-76e8-4fd5-95c0-20b149296f47.jpg?v=1787157213","url":"https:\/\/www.electronicplc.com\/es\/products\/siemens-simatic-s5-6es5-701-3lh11-rack-expansion-frame","provider":"Electronic PLC","version":"1.0","type":"link"}