{"product_id":"fen-31-68978840-abb-encoder-interface-module-acs850","title":"FEN-31 68978840 ABB Encoder Interface Module ACS850","description":"\u003cp data-path-to-node=\"4\"\u003eThe \u003cb data-path-to-node=\"4\" data-index-in-node=\"4\"\u003eABB FEN-31\u003c\/b\u003e (68978840), also cataloged as the \u003cb data-path-to-node=\"4\" data-index-in-node=\"49\"\u003eFEN-31\u003c\/b\u003e HTL encoder interface, operates as a dedicated hardware component for speed and position feedback processing within \u003cb data-path-to-node=\"4\" data-index-in-node=\"172\"\u003eABB ACS850\u003c\/b\u003e drive platforms.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"5\"\u003eModel Variant \u0026amp; Technical Identification\u003c\/h3\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eProduct Model\u003c\/b\u003e: FEN-31\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eSpare Part Number\u003c\/b\u003e: 68978840\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eInterface Type\u003c\/b\u003e: HTL Encoder Interface Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eSupported Signals\u003c\/b\u003e: Differential push-pull, Single-ended push-pull, Open collector, Open emitter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eSystem Parameters \u0026amp; Electrical Performance\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"8\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,0,0\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,1,0\"\u003eFEN-31 (68978840)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,0,0\"\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,1,0\"\u003eABB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,0,0\"\u003eCountry of Origin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,1,0\"\u003eSweden\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,0,0\"\u003eShipping Location\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,1,0\"\u003eXiamen, China\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,0,0\"\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,1,0\"\u003e0.38 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,0,0\"\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,1,0\"\u003e35 cm x 11.7 cm x 3 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,0,0\"\u003eTariff Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,1,0\"\u003e8537101190\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,8,0,0\"\u003eEncoder Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,8,1,0\"\u003eHTL input channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,9,0,0\"\u003eAuxiliary Voltage Outputs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,9,1,0\"\u003e+15 VDC +\/- 20% (200 mA max.) or +24 VDC +\/- 20% (200 mA max.)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,10,0,0\"\u003eDrive Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,10,1,0\"\u003eACS850 series inverter drives\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eBackplane Communication Velocity \u0026amp; Firmware Synchronization\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eThe module interfaces directly with the drive control board via an internal high-speed system bus. Fast signal latching minimizes feedback phase delay during high-dynamic vector control loops. Firmware compatibility checks validate the module revision at startup, preventing bus execution in the event of version mismatch.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003eDelivery Package \u0026amp; Ordering Details\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e1 x FEN-31 HTL Encoder Interface Module (Part Number 68978840)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e1 x Mounting hardware kit with grounding screws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e1 x Installation instruction leaflet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eField Mounting \u0026amp; Wiring Standards\u003c\/h3\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003eMechanical Slot Insertion\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003eEnsure drive main supply is completely powered off and DC bus capacitors are fully discharged before inserting the option module into its dedicated drive slot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003eGrounding and Shielding\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003eConnect the signal cable shield directly to the drive chassis grounding clamp to maintain high immunity against electromagnetic noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cb data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003eCable Routing Rules\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003eRoute HTL encoder signal lines in separate conduits away from high-voltage motor output power leads to minimize capacitive coupling and cross-talk interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"15\"\u003eTechnical Questions \u0026amp; Answers\u003c\/h3\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003eWhat encoder output configurations are supported by the module?\u003c\/p\u003e\n\u003cp data-path-to-node=\"16,0,1\"\u003eThe hardware directly accepts differential push-pull, single-ended push-pull, open collector, and open emitter HTL encoder signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003eWhat voltage options are available for encoder supply power?\u003c\/p\u003e\n\u003cp data-path-to-node=\"16,1,1\"\u003eThe interface provides selectable auxiliary supply outputs of +15 VDC (+\/- 20%) or +24 VDC (+\/- 20%) up to a maximum current load of 200 mA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003eCan this option module be hot-swapped while the drive is energized?\u003c\/p\u003e\n\u003cp data-path-to-node=\"16,2,1\"\u003eNo. Insertion or removal of the module while power is applied can cause permanent damage to the module electronics and the drive control unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003eHow is the physical shield connection handled at the drive interface?\u003c\/p\u003e\n\u003cp data-path-to-node=\"16,3,1\"\u003eThe cable shield must be grounded at the drive end using the metal cable clamp provided with the module to establish 360 deg grounding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,4,0\"\u003eWhat physical dimensions are expected for transport packaging?\u003c\/p\u003e\n\u003cp data-path-to-node=\"16,4,1\"\u003eThe estimated shipping package measures approximately 35 cm x 11.7 cm x 3 cm with a total shipping weight of 0.38 kg.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,5,0\"\u003eDoes the interface require separate external power for HTL encoders?\u003c\/p\u003e\n\u003cp data-path-to-node=\"16,5,1\"\u003eExternal power is not required if the encoder current draw remains below the 200 mA threshold provided by the internal supply outputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,6,0\"\u003eWhat happens if the encoder supply output is overloaded?\u003c\/p\u003e\n\u003cp data-path-to-node=\"16,6,1\"\u003eInternal overcurrent protection limits output supply current, which may result in encoder voltage drop and loss of feedback pulse tracking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,7,0\"\u003eWhat is the standard tariff code assigned to this spare part?\u003c\/p\u003e\n\u003cp data-path-to-node=\"16,7,1\"\u003eThe standardized customs tariff code for international customs clearance of this module is 8537101190.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021117837485,"sku":"FEN-31","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/fen-31_3.jpg?v=1792039814","url":"https:\/\/www.maxwellplc.com\/ga\/products\/fen-31-68978840-abb-encoder-interface-module-acs850","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}