{"product_id":"allen-bradley-1769-ecr-a-compact-i-o-right-end-cap-module","title":"Allen-Bradley 1769-ECR\/A Compact I\/O Right End Cap Module","description":"\u003ch2\u003eAllen-Bradley 1769-ECR\/A Compact I\/O Right End Cap Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1769-ECR\/A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1769-ECR\/A\u003c\/strong\u003e Compact I\/O End Cap Module, operates as a dedicated hardware component for terminating the right side of 1769 I\/O banks within CompactLogix and MicroLogix 1500 controller platforms. The module provides electrical bus termination for Compact I\/O expansion structures.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003e1769-ECR\/A\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\u003e0.11 lbs \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e35 x 118 x 87 mm\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\u003e5 mA at 5.1 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eCompact I\/O Right End Cap \/ Terminator Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eCompactLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCompactLogix 1769 controllers and MicroLogix 1500 systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eRight-side termination of Compact I\/O module banks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V continuous functional insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Resistance\u003c\/td\u003e\n\u003ctd\u003e30 g operating, 50 g non-operating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e5 g at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and CompactLogix Bus Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1769-ECR\/A provides physical termination of the Compact I\/O expansion bus. Within Allen-Bradley PLC architectures, proper end termination maintains the electrical state of the backplane communication path and allows connected I\/O modules to operate within the defined CompactLogix bus structure. The module is installed at the right end of each 1769 I\/O bank.\u003c\/p\u003e\n\u003cp\u003eThe Compact I\/O architecture supports deterministic module addressing and backplane communication between controllers and distributed I\/O components. The 1769-ECR\/A does not process user signals or execute control logic; it provides the required passive electrical interface for bus closure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the function of the 1769-ECR\/A in a Compact I\/O system?\u003cbr\u003eA: The 1769-ECR\/A terminates the right side of a 1769 I\/O module bank and closes the Compact I\/O bus structure.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 1769-ECR\/A provide I\/O signal processing?\u003cbr\u003eA: No. The module is a passive termination component and does not contain input, output, or communication processing functions.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting methods are supported for the 1769-ECR\/A?\u003cbr\u003eA: The module supports DIN rail mounting and panel mounting within CompactLogix and MicroLogix 1500 configurations.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1769-ECR\/A at the rightmost position of each Compact I\/O module bank after all required 1769 series modules are connected. Verify that the module is mechanically secured and aligned with the adjacent I\/O connector.\u003c\/p\u003e\n\u003cp\u003eMaintain proper separation between I\/O wiring and high-voltage or high-frequency conductors to reduce electrical interference. Ensure cable shielding and grounding practices follow the installation requirements of the connected controller and I\/O modules.\u003c\/p\u003e\n\u003cp\u003eBefore powering the system, confirm that all Compact I\/O modules and the end cap are fully seated and that the bus connection is mechanically complete.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43661973979226,"sku":"1769-ECR\/A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1769-ECRA2.jpg?v=1784099671","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1769-ecr-a-compact-i-o-right-end-cap-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}