{"product_id":"1756-lsc8xib8i-allen-bradley-controllogix-counter-input-module","title":"1756-LSC8XIB8I Allen-Bradley ControlLogix Counter Input Module","description":"\u003cp\u003eConfigured for high-speed pulse accumulation and channel-isolated frequency processing in ControlLogix chassis architectures, the \u003cstrong\u003eAllen-Bradley 1756-LSC8XIB8I\u003c\/strong\u003e (\u003cstrong\u003e1756-LSC8XIB8I\u003c\/strong\u003e) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eNomenclature \u0026amp; Module Variant Structure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1756\u003c\/strong\u003e: ControlLogix chassis-based I\/O hardware system identifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLSC8XIB8I\u003c\/strong\u003e: High-speed counter input module variant with 8 individually isolated channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1756-LSC8XIB8I\/A\u003c\/strong\u003e: Revision A hardware assembly designation for spare part matching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications \u0026amp; Operating Limits\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\u003e1756-LSC8XIB8I\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\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e14.3 x 13.2 x 3.3 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\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Density\u003c\/td\u003e\n\u003ctd\u003e8 individually isolated counter channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003eHigh-speed digital pulse input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Isolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and channel-to-backplane galvanic separation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eAny open slot in 1756 ControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemovable Terminal Block\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH or 1756-TBS6H (36-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Bus Velocity \u0026amp; Scalability\u003c\/h3\u003e\n\u003cp\u003eThe counter module processes high-frequency field pulses independently of controller scan cycles, offloading high-speed pulse counting logic from the main CPU. By leveraging the EtherNet\/IP deterministic networks and ControlLogix backplane architecture, the unit transfers synchronized counter data across the system. Fully compatible with controller firmware flash compatibility procedures, the card scales I\/O density while preserving microsecond-level pulse acquisition integrity.\u003c\/p\u003e\n\u003ch3\u003ePackage Fulfillment Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-LSC8XIB8I High Speed Counter Module\u003c\/li\u003e\n\u003cli\u003e1 x Hardware installation reference guide sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation \u0026amp; Wiring Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInsert the module into any available slot of a ControlLogix chassis until top and bottom latches snap flush.\u003c\/li\u003e\n\u003cli\u003eWire input channels using a 36-pin Removable Terminal Block (1756-TBCH or 1756-TBS6H), maintaining individual channel isolation.\u003c\/li\u003e\n\u003cli\u003eRoute pulse signal cables through dedicated wire raceways separated from AC power lines to avoid inductive noise coupling.\u003c\/li\u003e\n\u003cli\u003eGround all shielded signal cables at a single chassis ground bar to minimize earth loop transients.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHow many isolated counter channels are available on the module?\u003c\/p\u003e\n\u003cp\u003eThe module provides 8 individually isolated channels for high-speed digital pulse accumulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module support Removal and Insertion Under Power (RIUP)?\u003c\/p\u003e\n\u003cp\u003eYes, the module supports hot-swapping into an active ControlLogix chassis without interrupting backplane operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat Removable Terminal Block (RTB) models are compatible with this unit?\u003c\/p\u003e\n\u003cp\u003eThe hardware connects via standard 36-pin RTBs, specifically the 1756-TBCH cage-clamp or 1756-TBS6H spring-clamp versions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is electrical isolation structured across the input channels?\u003c\/p\u003e\n\u003cp\u003eThe module features individual channel-to-channel isolation as well as channel-to-backplane galvanic isolation barriers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module require external power supply wiring at the RTB?\u003c\/p\u003e\n\u003cp\u003eYes, field-side sensor power must be routed to the isolated terminal points depending on transducer output type.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat operating temperature range is permitted during execution?\u003c\/p\u003e\n\u003cp\u003eThe hardware operates within ambient enclosure temperatures ranging from 0 to +60 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the module interact with controller scan cycles?\u003c\/p\u003e\n\u003cp\u003eThe module performs local high-speed pulse counting onboard and updates controller tags via cyclic backplane messaging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat firmware updating methods are supported by the module?\u003c\/p\u003e\n\u003cp\u003eFirmware updates are executed over the backplane using ControlFLASH software via standard EtherNet\/IP networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066419990701,"sku":"1756-LSC8XIB8I","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-lsc8xib8i_1_-1.jpg?v=1787189949","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1756-lsc8xib8i-allen-bradley-controllogix-counter-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}