{"product_id":"1746-sdn-allen-bradley-slc-500-devicenet-scanner-module","title":"1746-SDN Allen-Bradley SLC 500 DeviceNet Scanner Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1746-SDN\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746-SDN\u003c\/strong\u003e DeviceNet Scanner Module, operates as a dedicated hardware component for DeviceNet network interface management within SLC 500 system architectures. Occupying a single slot in an SLC 500 chassis, the module bridges backplane communication with external DeviceNet field nodes. It executes continuous I\/O data scanning, pass-through message routing, and device status management, interfacing directly with SLC 5\/02 or later controllers at network transfer speeds up to 125 Kbps.\u003c\/p\u003e\n\u003ch3\u003eModule Configuration \u0026amp; Compatibility Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1746\u003c\/strong\u003e: SLC 500 rack-based modular system platform chassis assignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDN\u003c\/strong\u003e: Single-slot DeviceNet Scanner interface architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController Support\u003c\/strong\u003e: Full backplane compatibility with Allen-Bradley SLC 5\/02, 5\/03, 5\/04, and 5\/05 controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePass-Through Functionality\u003c\/strong\u003e: Supports direct software passthrough for field device configuration and node parameter monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Hardware Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003e1746-SDN\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e24.5 x 16.5 x 5.5 cm\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\u003e2.5 W (500 mA @ 5 VDC Backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Width\u003c\/td\u003e\n\u003ctd\u003eSingle Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e1 x DeviceNet (5-pin unsealed drop connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Transfer Speed\u003c\/td\u003e\n\u003ctd\u003e125 Kbps (Standard Network Rate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e5 g @ 10-500 Hz per IEC 68-2-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 g peak acceleration, 11 ms pulse width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Transfer \u0026amp; Industrial Network Synchronization\u003c\/h3\u003e\n\u003cp\u003eThe scanner module maps DeviceNet field node I\/O directly into the SLC processor data table via the 1746 backplane bus. By maintaining strict firmware flash compatibility across controller revisions, the unit simplifies network device updates without hardware swaps. The backplane driver architecture facilitates smooth data mapping across EtherNet\/IP deterministic networks when bridged through SLC processors, optimizing system I\/O density scaling and maintaining low-latency scan rates across all configured network nodes.\u003c\/p\u003e\n\u003ch3\u003eStandard Delivery Content\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-SDN DeviceNet Scanner Module\u003c\/li\u003e\n\u003cli\u003e1 x 5-Pin Open-Style Pluggable DeviceNet Terminal Connector\u003c\/li\u003e\n\u003cli\u003e1 x Printed Installation Instruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Cable Installation \u0026amp; Mounting Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChassis Slot Installation\n\u003cul\u003e\n\u003cli\u003eDisconnect power to the SLC 500 chassis before inserting or removing the scanner module from the rack slot.\u003c\/li\u003e\n\u003cli\u003eAlign the circuit card with the chassis guide rails and push firmly until top and bottom retention latches engage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eDeviceNet Bus Wiring\n\u003cul\u003e\n\u003cli\u003eConnect the 5-wire DeviceNet cable to the front terminal block following standard color-coded signal\/power pin assignments.\u003c\/li\u003e\n\u003cli\u003eInstall 121 Ohm, 1\/4 W terminating resistors across the physical ends of the main trunk line to prevent signal reflection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhich SLC 500 processors are compatible with the 1746-SDN scanner module?\u003c\/p\u003e\n\u003cp\u003eThe module is compatible with Allen-Bradley SLC 5\/02, 5\/03, 5\/04, and 5\/05 processors running standard firmware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat current draw does the 1746-SDN place on the SLC backplane?\u003c\/p\u003e\n\u003cp\u003eThe module draws 500 mA (0.5 A) directly from the 5 VDC backplane logic power supply rail.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the 1746-SDN support hot-swapping inside an energized chassis?\u003c\/p\u003e\n\u003cp\u003eNo, the SLC 500 backplane architecture requires system power to be OFF before removing or inserting modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan DeviceNet field devices be configured through the 1746-SDN module?\u003c\/p\u003e\n\u003cp\u003eYes, the module supports pass-through messaging, allowing tools like RSNetWorx to configure nodes across the backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat data transfer rate is supported on the DeviceNet communication port?\u003c\/p\u003e\n\u003cp\u003eThe module supports standard DeviceNet data rates, operating at 125 Kbps for baseline field network communications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are network status and node diagnostic errors displayed on the module?\u003c\/p\u003e\n\u003cp\u003eThe front panel features a two-digit numeric display along with status LEDs for module, network, and node diagnostics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the 1746-SDN require external power on the DeviceNet port?\u003c\/p\u003e\n\u003cp\u003eYes, the DeviceNet network port requires 24 VDC external bus power to operate the network transceiver circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the storage temperature rating for the 1746-SDN hardware?\u003c\/p\u003e\n\u003cp\u003eThe module is rated for safe storage in ambient temperature environments ranging from -40 to +85 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066408751277,"sku":"1746-SDN","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-SDN-0-0.jpg?v=1785903549","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1746-sdn-allen-bradley-slc-500-devicenet-scanner-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}