{"product_id":"allen-bradley-1769-sdn-compact-i-o-devicenet-communication-modules","title":"Allen-Bradley 1769-SDN Compact I\/O DeviceNet Communication Modules","description":"\u003ch2\u003eAllen-Bradley 1769-SDN Compact I\/O DeviceNet Scanner Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1769-SDN\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1769-SDN\u003c\/strong\u003e DeviceNet Scanner Module, operates as a dedicated hardware component for high-speed industrial network routing and field slave management within CompactLogix and MicroLogix 1500 controller architectures. It provides direct physical execution of cyclic I\/O data transfers and explicit messaging across up to 64 DeviceNet field nodes over a single trunkline trunk architecture.\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-SDN\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e118 mm x 35 mm 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\u003e440 mA at 5 VDC backplane \/ 100 mA at 24 VDC network power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSeries B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eDeviceNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNode Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 64 Slave Nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rates\u003c\/td\u003e\n\u003ctd\u003e125 kbps, 250 kbps, 500 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003e5-Pin Phoenix Open-Style Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen Style DIN Rail \/ Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL, CE, cULus, Class I Div 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication \u0026amp; Network Determinism\u003c\/h3\u003e\n\u003cp\u003eThe module executes backplane bus communication velocity routines to transfer mapped field device image tables directly into the local CompactLogix CPU memory map. By configuring deterministic EtherNet\/IP to DeviceNet routing bridges, the unit coordinates node scanning while maintaining full firmware flash compatibility across legacy and current Rockwell hardware platforms. Internal Auto-Device Replacement (ADR) logic automatically pushes configuration parameters and node addresses directly over the bus to newly replaced field instruments, suppressing network downtime and eliminating manual software re-downloads.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1769-SDN module require an isolated external 24 VDC power connection to operate on the network?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The 1769-SDN draws logic operational power from the 1769 backplane bus (440 mA at 5 VDC), but its integrated DeviceNet transceiver requires a dedicated 24 VDC bus power supply connected to the 5-pin Phoenix network cable assembly.\u003c\/p\u003e\n\u003cp\u003eQ: How is the node address (MAC ID) and scan list stored on the 1769-SDN module?\u003c\/p\u003e\n\u003cp\u003eA: The scanner node address, baud rate settings, and slave device scan list are configured using RSNetWorx for DeviceNet and stored directly in non-volatile flash memory inside the 1769-SDN module.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping supported for the 1769-SDN module on an active CompactLogix backplane?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1769 Compact I\/O hardware architecture does not support Removal and Insertion Under Power (RIUP). Backplane power must be fully isolated before removing or inserting the module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the module on a grounded 35 mm DIN rail or panel subplate, ensuring adjacent 1769 modules lock securely via side-locking interlocks. Land the 5-pin open-style Phoenix connector onto the primary DeviceNet trunkline using trunk\/drop media standard colors: Red (V+), White (CAN High), Bare (Shield), Blue (CAN Low), and Black (V-). Connect terminating resistors (121 ohm, 1\/4 W, 1% metal film) across the CAN High and CAN Low lines at both physical ends of the trunk line. Ensure the DeviceNet cable shield connects to earth ground at exactly one point along the network trunkline to avoid creating ground loops. Maintain a minimum separation distance of 200 mm between the DeviceNet cable run and high-voltage AC cables, motor control wiring, or Variable Frequency Drive (VFD) output cables. Tighten all screw terminal connections to specified torque limits, ensuring at least 5 full thread engagements.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43166027448410,"sku":"1769-SDN","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/460.1.jpg?v=1775028518","url":"https:\/\/www.spareoil.com\/products\/allen-bradley-1769-sdn-compact-i-o-devicenet-communication-modules","provider":"SpareOil Automation","version":"1.0","type":"link"}