{"product_id":"allen-bradley-1771-wh-plc-5-wiring-arm","title":"Allen-Bradley 1771-WH PLC-5 Wiring Arm","description":"\u003ch2\u003eAllen-Bradley 1771-WH PLC-5 Wiring Arm\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1771-WH\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1771-WH\u003c\/strong\u003e Wiring Arm, operates as a dedicated hardware component for field wiring termination and module replacement interface within PLC-5 and 1771 I\/O module systems. The removable terminal block design maintains external wiring connections during I\/O module service operations.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 29.7468%;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"width: 69.8312%;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003e1771-WH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eOrigin\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003e0.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eWiring Arms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eModule Type\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eRemovable wiring arm accessory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eTerminal Style\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eScrew-clamp terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eNumber of Terminals\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eTypically 32 terminals depending on module type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eWire Size\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003e14-22 AWG solid or stranded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eDirect plug-in to 1771 module front\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eSelected 1771 digital and analog I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 29.7468%;\"\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd style=\"width: 69.8312%;\"\u003eOpen style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC-5 I\/O Hardware Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1771-WH provides a mechanical and electrical termination interface between external field wiring and compatible 1771 I\/O modules. The plug-in terminal block structure allows field conductors to remain connected while an I\/O module is removed or replaced.\u003c\/p\u003e\n\u003cp\u003eThe wiring arm supports PLC-5 I\/O density scaling by simplifying terminal access across digital and analog module configurations. The screw-clamp terminal design provides direct conductor termination without additional external interface hardware.\u003c\/p\u003e\n\u003cp\u003eThe component operates as a passive connection accessory and requires no external power source. Proper module compatibility verification is required before installation to ensure correct terminal assignment and signal routing.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1771-WH require external power?\u003cbr\u003eA: No. The 1771-WH is a passive wiring accessory and does not require electrical power.\u003c\/p\u003e\n\u003cp\u003eQ: What is the function of the removable terminal block design?\u003cbr\u003eA: The removable terminal block allows field wiring to remain connected during compatible I\/O module removal or replacement procedures.\u003c\/p\u003e\n\u003cp\u003eQ: Which type of wiring connections are supported by the 1771-WH?\u003cbr\u003eA: The wiring arm uses screw-clamp terminals for field conductor connections.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1771-WH directly onto the front connection interface of a compatible 1771 I\/O module. Verify terminal assignments and module wiring requirements before connecting field conductors.\u003c\/p\u003e\n\u003cp\u003eRoute field wiring according to industrial cabinet installation practices. Maintain separation between signal wiring and high-current power conductors to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eTighten terminal screws according to applicable hardware requirements and inspect conductor seating before system operation. Confirm that the wiring arm is fully engaged with the module interface before energizing connected I\/O circuits.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43701670051930,"sku":"1771-WH","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1771-WH2.jpg?v=1784702361","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1771-wh-plc-5-wiring-arm","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}