{"product_id":"allen-bradley-1771-a3b1-plc-5-i-o-chassis","title":"Allen-Bradley 1771-A3B1 PLC-5 I\/O Chassis","description":"\u003ch2\u003e\n\u003cimg height=\"25\" width=\"95\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/Rockwell_480x480.png?v=1697124392\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-density I\/O and processor integration within PLC-5 network platforms, the \u003cstrong\u003eAllen-Bradley 1771-A3B1\u003c\/strong\u003e (\u003cstrong\u003e1771-A3B1\u003c\/strong\u003e Universal Backplane Chassis) provides direct physical mounting and electrical backplane execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1771-A3B1\u003c\/strong\u003e designates a specific 12-slot physical enclosure configuration within the Allen-Bradley PLC-5 architecture. Users can cross-reference the base model and suffix variations using the following structural breakdown:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771\u003c\/strong\u003e: Denotes the Allen-Bradley standard industrial I\/O and chassis hardware product family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e: Identifies the chassis category within the hardware classification system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\u003c\/strong\u003e: Signifies the structural generation and chassis series size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB1\u003c\/strong\u003e: Denotes the specific revision and backplane power distribution layout variant for universal module compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1771-A3B1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States \/ Global Manufacturing Facilities\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.9 kg (13 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e140 mm x 483 mm x 197 mm (5.5 in x 19.0 in x 7.75 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C (32 deg F to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane distribution reliant on external 1771 power supply unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Capacity\u003c\/td\u003e\n\u003ctd\u003e12 slots for I\/O, communication, and processor modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C (-40 deg F to 185 deg F)\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\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks \u0026amp; Backplane Communication\u003c\/h3\u003e\n\u003cp\u003eThe universal backplane of the \u003cstrong\u003eAllen-Bradley 1771-A3B1\u003c\/strong\u003e routes high-speed deterministic data streams across its 12 slot connections. Furthermore, system integrators interface the PLC-5 processor family via deterministic communication modules to bridge legacy backplane traffic into modern industrial networks. Additionally, backplane bus communication velocity metrics depend heavily on the installed processor card and the specific communication adapter modules deployed in the adjacent rack slots. Moreover, firm backplane trace routing minimizes electrical noise interference, ensuring that high-speed signal updates across digital and analog modules maintain data integrity without packet loss or jitter.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can modules be inserted or removed while the 1771-A3B1 chassis is powered on?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, standard PLC-5 hardware does not support hot-swapping. Technicians must disconnect system power before installing or extracting any module to prevent backplane bus damage or electrical arcing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the chassis distribute operating power to installed I\/O modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: A compatible 1771 series power supply mounts directly to the designated power slot or end-bracket of the chassis, subsequently routing low-voltage DC power through the universal backplane traces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What determines the maximum current draw allowable on the backplane?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The total current draw is strictly limited by the capacity of the attached 1771 power supply unit and the power budget specifications outlined in the system design manual.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the \u003cstrong\u003eAllen-Bradley 1771-A3B1\u003c\/strong\u003e chassis securely to a grounded vertical panel using all designated mounting holes to ensure structural rigidity and vibration resistance in harsh industrial environments. Maintain adequate clearance above and below the chassis enclosure to facilitate proper thermal dissipation within the specified operating temperature range. Connect the chassis ground terminal directly to the central plant earth ground bus using low-impedance copper braided wire to minimize electromagnetic interference across the backplane bus. Finally, verify that all module retaining latches engage fully with the chassis frame before applying primary power to the system.\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/Rockwell_480x480.png?v=1697124392\" alt=\"\" width=\"95\" height=\"25\"\u003eOther Attributes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSeries: Allen Bradley PLC-5\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: \u003cspan\u003e USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLead Time: In Stock, 2 Working Days\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan\u003eIn Stock \u003c\/span\u003eHot Items of Allen Bradley\u003c\/h2\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"553\" height=\"414\" style=\"border-collapse: collapse; width: 414.77pt;\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"214\" style=\"width: 160.50pt;\"\u003e \u003ccol width=\"192\" style=\"width: 144.00pt;\"\u003e \u003ccol width=\"147\" style=\"width: 110.25pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" width=\"214\" style=\"height: 13.50pt; width: 160.50pt;\"\u003e1756-L61\u003c\/td\u003e\n\u003ctd class=\"et2\" width=\"192\" style=\"width: 144.00pt;\"\u003e1771-IR\/D\u003c\/td\u003e\n\u003ctd class=\"et2\" width=\"147\" style=\"width: 110.25pt;\"\u003e1746-IB32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" style=\"height: 13.50pt;\"\u003e1757-SRC1\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1771-NIS\/B\u003c\/td\u003e\n\u003ctd 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class=\"et2\"\u003e1770-XYC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" style=\"height: 13.50pt;\"\u003e1757-SRM\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1746-A7\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1771-OFE2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" style=\"height: 13.50pt;\"\u003e1771-A1B\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1746-NR8\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1771-OW16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" style=\"height: 13.50pt;\"\u003e1771-ASB\/E\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1746-IA16\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1771-RTP4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" style=\"height: 13.50pt;\"\u003e1771-IFE\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1746-IB16\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1786-RPA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" style=\"height: 13.50pt;\"\u003e1771-IMD\/B\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1771-IVN\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1786-RPFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" style=\"height: 13.50pt;\"\u003e1771-IR\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1771-IXE\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1786-RPFRXL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd class=\"et2\" height=\"18\" style=\"height: 13.50pt;\"\u003e1794-OB16\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1771-OFE1\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e1794-IB16D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOur Competitive Brands\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e- ABB Advant-800xA，Advant OCS，Bailey Infi 90 and Net 90，H\u0026amp;B Freelance 2000，DSQC Robots，IGCT \/ IGBT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- GE General Electric Field Control, Genius I\/O, QuickPanel, RX3i PacSystem, Series 90, Series 90, Series VersaMax\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Allen Bradley Allen-Bradley SLC500, MicroLogix, CompactLogix, ControlLogix, PLC-5, Panel View,\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Bently Nevada 3300 System, 3500 System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Honeywell 7800 Series, FSC, IPC, Mxopen, TDC 2000, TDC 3000, Experion PKS(C200,C300)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Yokogawa Centum CS - Centum VP, Centum XL - micro XL, FA-M3, ProSafe-PLC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Ovation, Foxboro, EPRO, Emerson DeltaV, Fuji, Siemens, HIMA, Prosoft, Invensys Triconex, ICS TRIPLEX, Woodward, Bachmann, Schneider\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"tel:+8618030205725\"\u003e\u003cspan\u003e\u003cstrong\u003eTEL: +86 18030205725 \u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e    \u003ca href=\"maito:manskiwong@cambia.cn\"\u003e\u003cspan\u003e\u003cstrong\u003eE-MAIL: manskiwong@cambia.cn\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":49990864535861,"sku":"1771-A3B1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/1_38_f63a36dd-845a-4d27-9f13-adb6483986f5.jpg?v=1725435940","url":"https:\/\/www.newgenplc.com\/products\/allen-bradley-1771-a3b1-plc-5-i-o-chassis","provider":"New-Gen Automation Limited","version":"1.0","type":"link"}