{"product_id":"allen-bradley-1771-a2b-8-slot-i-o-chassis-plc-backplane","title":"Allen-Bradley 1771-A2B 8-Slot I\/O Chassis | PLC Backplane","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1771-A2B: 8-Slot I\/O Chassis for PLC Systems\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley \u003cstrong style=\"color: #d35400;\"\u003e1771-A2B\u003c\/strong\u003e I\/O chassis forms the backbone of your control system. This robust 8-slot rack powers and connects your Series A modules reliably. It replaces the older 1771-A2 model with improved performance and capacity.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Allen-Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e1771-A2B\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Slots:\u003c\/strong\u003e 8 I\/O slots for PLC expansion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e \u003cstrong style=\"color: #27ae60;\"\u003e16 Amperes\u003c\/strong\u003e at 5V DC maximum capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Secure back panel installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Rating:\u003c\/strong\u003e IP20 for \u003cstrong style=\"color: #27ae60;\"\u003eindoor use only\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dissipation:\u003c\/strong\u003e 50 BTU\/hour typical operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003ePhysical Specifications \u0026amp; Durability\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.5 x 6.5 x 2.0 inches (89 x 165 x 51 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 10.3 lbs (4.7 kg) sturdy construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Resistance:\u003c\/strong\u003e 15g operating, 30g non-operating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Tolerance:\u003c\/strong\u003e 2g across 10-500 Hz frequency range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e Open style for easy module access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCompatibility \u0026amp; Replacement Information\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Series:\u003c\/strong\u003e Designed for Allen-Bradley Series A modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces Model:\u003c\/strong\u003e Direct replacement for 1771-A2 chassis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Includes:\u003c\/strong\u003e \u003cstrong\u003e1771-A2B\u003c\/strong\u003e chassis and mounting hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Methods:\u003c\/strong\u003e FedEx, UPS, DHL worldwide delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main function of the 1771-A2B chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e1771-A2B\u003c\/strong\u003e provides power distribution and communication pathways for Allen-Bradley I\/O modules in a PLC system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many modules can this chassis support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis chassis offers eight slots for various Series A compatible modules from Allen-Bradley.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install this chassis in outdoor applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the IP20 rating specifically limits this unit to indoor, controlled environments only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if I exceed the 16A backplane current?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExceeding the current rating may cause system instability or damage to modules and the chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I select the right modules for this chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose Allen-Bradley Series A modules and verify their current requirements fit within the 16A total.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs professional installation required for this chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile straightforward, we recommend installation by qualified industrial maintenance personnel.\u003c\/p\u003e\n\u003cp\u003eFor pricing quotes or technical assistance with the \u003cstrong\u003e1771-A2B\u003c\/strong\u003e, contact us at \u003ca href=\"mailto:sale@etowonauto.com\"\u003esale@etowonauto.com\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eContent provided by Etowon Auto.\u003c\/em\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51047660257412,"sku":"1771-A2B","price":359.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1771-A2B-2.jpg?v=1768740238","url":"https:\/\/www.etowonauto.com\/az\/products\/allen-bradley-1771-a2b-8-slot-i-o-chassis-plc-backplane","provider":"Etowon Auto","version":"1.0","type":"link"}