{"product_id":"allen-bradley-1771-wb-plc-5-field-wiring-arm","title":"Allen-Bradley 1771-WB PLC-5 Field Wiring Arm","description":"\u003cp\u003eConfigured for field signal termination in Allen-Bradley PLC-5 systems, the \u003cstrong\u003eAllen-Bradley 1771-WB\u003c\/strong\u003e (\u003cstrong\u003e1771-WB\u003c\/strong\u003e Field Wiring Arm) provides direct physical\/electrical execution. It establishes low-resistance terminal interfaces between plant field conductors and 1771 series I\/O modules, enabling rapid module replacement without disconnecting individual field wires.\u003c\/p\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-WB\u003c\/td\u003e\n\u003c\/tr\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.15 lbs (0.07 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 I\/O Wiring Arm Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive (No external power required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Type\u003c\/td\u003e\n\u003ctd\u003eField Wiring Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Count\u003c\/td\u003e\n\u003ctd\u003e12 Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Plating\u003c\/td\u003e\n\u003ctd\u003eGold-Plated Contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley 1771 I\/O Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe 1771-WB field wiring arm supports high-density I\/O arrays while preserving low-level electrical signal integrity across backplane communication loops. Built with 12 gold-plated contact points, the unit resists surface oxidation and contact degradation under low-voltage and low-current signal conditions. Its mechanical latching frame mounts directly to the 1771 chassis pivot bar, maintaining precise pin alignment to eliminate insertion strain on I\/O module front connectors during system operations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1771-WB wiring arm require an external power supply connection?\u003c\/p\u003e\n\u003cp\u003eA: No, the 1771-WB is a passive electromechanical connection arm that requires no external DC or AC power supply.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1771-WB be removed while field wiring remains intact?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the wiring arm unlatches and pivots away from the front of the 1771 I\/O module, allowing the module to be removed or replaced while all field wiring remains clamped to the arm.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePivot Pin Alignment:\u003c\/strong\u003e Position the bottom edge of the 1771-WB wiring arm onto the lower pivot pin of the assigned 1771 chassis slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring:\u003c\/strong\u003e Connect field wires to the 12 screw terminals using spade lugs or stripped conductors, ensuring tight mechanical connection without over-torquing terminal screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Engagement:\u003c\/strong\u003e Pivot the wiring arm upward against the front of the installed 1771 I\/O module until the locking latch engages firmly into place.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52678047367448,"sku":"1771-WB","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/1771-WC2_Cocoai_aa492c9a-b0b3-48d4-85de-225853239c15.jpg?v=1789373805","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-1771-wb-plc-5-field-wiring-arm","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}