{"product_id":"allen-bradley-1769-crl3-compactlogix-bank-expansion-cable","title":"Allen-Bradley 1769-CRL3 CompactLogix Bank Expansion Cable","description":"\u003ch2\u003eAllen-Bradley 1769-CRL3 CompactLogix Bank Expansion Cable\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1769-CRL3\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1769-CRL3\u003c\/strong\u003e Right-to-Left Expansion Cable, operates as a dedicated hardware component for backplane extension and bus signal routing within CompactLogix and MicroLogix 1500 networks.\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\u003e1769-CRL3\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRight-to-Left Expansion Cable\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\u003eLength\u003c\/td\u003e\n\u003ctd\u003e1.0 Meter (3.28 Feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.20 kg\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\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Connectivity\u003c\/td\u003e\n\u003ctd\u003eTransmits 5 VDC and 24 VDC logic power \/ bus signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Cables per System\u003c\/td\u003e\n\u003ctd\u003e2 (supporting up to 3 I\/O banks total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e5G peak at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Resistance (Operating)\u003c\/td\u003e\n\u003ctd\u003e30G (Panel Mount), 20G (DIN Rail)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Backplane Bus Velocity\u003c\/h3\u003e\n\u003cp\u003eThe expansion hardware dictates the physical extension of the 1769 parallel backplane bus communication velocity across distinct chassis boundaries. It maintains transmission integrity for the deterministic sub-millisecond execution loops required by CompactLogix 5370 L1, L2, and L3 processors. The internal conductor matrix is engineered to control impedance scaling across the 1-meter span, suppressing signal attenuation and propagation delays during multi-bank I\/O density scaling routines.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1769-CRL3 cable support hot-swapping or live insertion? A: No. Connecting or disconnecting the expansion cable while the controller or any connected I\/O banks are energized will disrupt backplane bus communication velocity, potentially causing immediate processor faults, data corruption, or hardware damage.\u003c\/p\u003e\n\u003cp\u003eQ: What is the mechanical functional distinction of the Right-to-Left designation? A: The terminology defines the physical configuration of the hardware connections. The cable terminates on the right side of the primary or preceding module bank and routes across to interface into the left side of the subsequent downstream I\/O module bank.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the controller and all connected power supplies across all system banks prior to installing or removing the cable assembly.\u003c\/li\u003e\n\u003cli\u003eAlign the left-hand connector pins with the expansion port of the downstream I\/O bank and push firmly until the locking latches click into place.\u003c\/li\u003e\n\u003cli\u003eSecure the right-hand terminator connector to the preceding module bank, ensuring a flush connection with the adjacent 1769 module.\u003c\/li\u003e\n\u003cli\u003eVerify that the total number of expansion cables within the complete system architecture does not exceed the limit of 2, supporting a maximum of 3 I\/O banks.\u003c\/li\u003e\n\u003cli\u003eAvoid bending radii tighter than the standard minimum limits for industrial shielding to maintain optimal signal velocity and protect internal conductors from long-term stress fractures.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42870827909210,"sku":"1769-CRL3","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/401_633e00a7-a9b0-4f81-b53c-5e9f4d150297.jpg?v=1772421282","url":"https:\/\/www.spareoil.com\/products\/allen-bradley-1769-crl3-compactlogix-bank-expansion-cable","provider":"SpareOil Automation","version":"1.0","type":"link"}