{"product_id":"1745-e102-allen-bradley-slc-100-slc-150-series-expansion-unit","title":"1745-E102 Allen-Bradley SLC-100\/SLC-150 Series Expansion Unit","description":"\u003cp\u003eConfigured for discrete I\/O expansion tasks in legacy programmable controller networks, the \u003cstrong\u003eAllen-Bradley 1745-E102\u003c\/strong\u003e (\u003cstrong\u003e1745E102\u003c\/strong\u003e Expansion Unit) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eModel Identification Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCatalog Number: 1745-E102\u003c\/li\u003e\n\u003cli\u003eBase Family: SLC-100 \/ SLC-150\u003c\/li\u003e\n\u003cli\u003eLifecycle Status: Discontinued by Manufacturer (2014-04-16)\u003c\/li\u003e\n\u003cli\u003eComponent Classification: Expansion Unit\u003c\/li\u003e\n\u003c\/ul\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\u003e1745-E102\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\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4 lbs (1.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e25 x 10 x 12.1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane bus dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProgrammable Controller Network Integration\u003c\/h3\u003e\n\u003cp\u003eThe unit interfaces with the primary processor module through a dedicated physical expansion cable, extending the I\/O capacity within the backplane bus framework. It executes deterministic data exchange routines without requiring localized processing firmware. Terminal connections rely on fixed screw terminals capable of terminating standard copper wire gauges suited for industrial control enclosures.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 1745-E102 Expansion Unit module\u003c\/li\u003e\n\u003cli\u003e1 Factory packaging and desiccant pouch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnclosure Mounting: Mount the unit vertically on a standard DIN rail or panel surface inside a NEMA-rated industrial enclosure to prevent particulate accumulation.\u003c\/li\u003e\n\u003cli\u003eClearance Requirements: Maintain a minimum spatial clearance of 50 mm above and below the housing to facilitate thermal dissipation.\u003c\/li\u003e\n\u003cli\u003eGrounding Protocol: Connect the chassis ground terminal directly to the enclosure grounding busbar using a low-impedance braided copper strap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQ: Does the 1745-E102 support hot-swapping during active operation?\u003c\/li\u003e\n\u003cli\u003eA: No. Power must be fully isolated from the rack before inserting or removing the expansion unit to prevent bus corruption.\u003c\/li\u003e\n\u003cli\u003eQ: What is the maximum allowable cable length between the base processor and the expansion unit?\u003c\/li\u003e\n\u003cli\u003eA: The physical expansion bus is restricted to short-distance interconnections within the same panel enclosure as specified by legacy design rules.\u003c\/li\u003e\n\u003cli\u003eQ: How does the unit derive its operational power?\u003c\/li\u003e\n\u003cli\u003eA: Operating power is drawn directly from the connected SLC-100 or SLC-150 processor unit via the internal expansion bus ribbon.\u003c\/li\u003e\n\u003cli\u003eQ: Are firmware updates required for this hardware revision?\u003c\/li\u003e\n\u003cli\u003eA: No. The unit operates via hardwired logic mapping and requires no field-programmable firmware flashes.\u003c\/li\u003e\n\u003cli\u003eQ: What industrial protocol governs the backplane communication of this unit?\u003c\/li\u003e\n\u003cli\u003eA: It utilizes a proprietary, deterministic serial bus architecture specific to the Allen-Bradley SLC-100 and SLC-150 product platforms.\u003c\/li\u003e\n\u003cli\u003eQ: Can this module interface with modern CompactLogix controllers?\u003c\/li\u003e\n\u003cli\u003eA: No. It is exclusively engineered for legacy SLC-100 and SLC-150 system architectures and lacks modern network protocol support.\u003c\/li\u003e\n\u003cli\u003eQ: What gauge of wire is recommended for field wiring terminals?\u003c\/li\u003e\n\u003cli\u003eA: Use stranded or solid copper wire ranging from 22 AWG to 14 AWG, torque-tightened to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003eQ: What indicates a hardware fault on the expansion unit module?\u003c\/li\u003e\n\u003cli\u003eA: A total loss of communication with the master processor or failure of the internal power rail illuminates corresponding fault states on the host CPU.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066401902765,"sku":"1745-E102","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1745-E102_13.jpg?v=1785140437","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1745-e102-allen-bradley-slc-100-slc-150-series-expansion-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}