{"product_id":"allen-bradley-1746-a2-modular-expansion-chassis","title":"Allen-Bradley 1746-A2 SLC 500 Modular Expansion Chassis","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-A2 is a two-slot modular chassis designed for the SLC 500 control platform. This compact unit serves as an efficient solution for small-scale I\/O expansion or remote rack applications. By providing the necessary backplane communication and power distribution, the 1746-A2 ensures seamless integration of SLC 500 modules into your industrial control network.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo-slot configuration for flexible I\/O density.\u003c\/li\u003e\n\u003cli\u003eCompatible with SLC 500 processors or remote I\/O adapters (e.g., 1747-ASB, 1747-ACN) in Slot 0.\u003c\/li\u003e\n\u003cli\u003eSupports system expansion up to a maximum of 30 slots when daisy-chained with additional chassis.\u003c\/li\u003e\n\u003cli\u003eRobust backplane design supporting high current capacity for demanding I\/O requirements.\u003c\/li\u003e\n\u003cli\u003ePanel-mount design for secure installation in enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis chassis is frequently deployed in distributed control architectures where space is limited. It is ideal for local expansion of small machine control systems or as a secondary rack in remote I\/O configurations, allowing for modular growth of the SLC 500 system.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Capacity\u003c\/td\u003e\n\u003ctd\u003e2 Slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Backplane Current (5.1V DC)\u003c\/td\u003e\n\u003ctd\u003e10 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Backplane Current (24V DC)\u003c\/td\u003e\n\u003ctd\u003e2.88 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePanel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% (Non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the chassis is mounted to a clean, flat, and vibration-resistant surface within an industrial enclosure.\u003c\/li\u003e\n\u003cli\u003eVerify that the power supply is disconnected before installing or removing any modules from the chassis slots.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the chassis to facilitate proper ventilation and prevent overheating.\u003c\/li\u003e\n\u003cli\u003eWhen using multiple chassis, ensure that interconnect cables are properly seated and secured to prevent intermittent backplane communication errors.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices to protect against electromagnetic interference (EMI) and electrostatic discharge (ESD).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan I use this chassis for a standalone processor?\u003c\/strong\u003e Yes, the 1746-A2 is designed to house an SLC 500 processor or an I\/O adapter in the first slot (Slot 0).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many chassis can be connected together?\u003c\/strong\u003e You can interconnect up to three chassis in a single local system, providing a total capacity of up to 30 slots.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44725048311896,"sku":"1746-A2","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_e4f457d7-7dda-431c-9b0b-a08b32781207.jpg?v=1788496758","url":"https:\/\/www.industriaxplc.com\/products\/allen-bradley-1746-a2-modular-expansion-chassis","provider":"IndustriaX Limited","version":"1.0","type":"link"}