{"product_id":"abb-spdsm04-symphony-plus-pulse-input-module","title":"ABB SPDSM04 Symphony Plus Pulse Input Module","description":"\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe ABB SPDSM04 is a high-performance \u003cstrong\u003ePulse Input Module\u003c\/strong\u003e developed for the Symphony Plus distributed control system architecture. Functioning within the \u003cstrong\u003eS+ HR I\/O (Harmony Rack)\u003c\/strong\u003e platform, this module offers \u003cstrong\u003e8 independent input channels\u003c\/strong\u003e optimized for capturing high-frequency pulse train signals ranging from \u003cstrong\u003e0 to 50 KHZ\u003c\/strong\u003e. It serves as a precision engineering interface for tracking rotational velocities, volumetric flow rates, and discrete industrial quantities directly from field transmitters and sensors.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.25rem;\"\u003e\n\u003cstrong\u003e8 High-Frequency Input Channels:\u003c\/strong\u003e Accommodates multi-channel pulse processing on a single, space-efficient rack footprint.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.25rem;\"\u003e\n\u003cstrong\u003eWide Dynamic Frequency Range:\u003c\/strong\u003e Processes pulse rates accurately from 0 up to 50 KHZ, supporting high-speed industrial measurement.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.25rem;\"\u003e\n\u003cstrong\u003eS+ HR I\/O System Alignment:\u003c\/strong\u003e Integrates natively into standard Harmony Rack control topologies for low-latency bus communications.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.25rem;\"\u003e\n\u003cstrong\u003eDI Channel Categorization:\u003c\/strong\u003e Implements digital input conditioning circuitry adapted to withstand signal degradation and electrical noise over long cable runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.25rem;\"\u003eTurbine speed measurement, overspeed monitoring configurations, and shaft rotation verification.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.25rem;\"\u003eInterfacing with positive displacement, turbine, or vortex flowmeters emitting high-frequency pulse outputs.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.25rem;\"\u003eIndustrial tachometer integration and conveyor velocity monitoring in heavy processing industries.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.25rem;\"\u003eHigh-speed piece counting and totalization systems across energy and manufacturing sectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold; width: 35%;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eABB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eABB Type Designation\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eSPDSM04\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eChannel Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eDI (Digital Input \/ Pulse Input)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eNumber of Input Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e8\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eFrequency Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e0-50 KHZ\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eProduct Net Depth \/ Length\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e71.12 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eProduct Net Height\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e358.14 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eProduct Net Width\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e271.78 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eProduct Net Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e0.80 kg (Calculated)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003ePackage Dimensions\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e410 mm x 320 mm x 110 mm (Calculated)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eWEEE Category\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e5. Small Equipment (No External Dimension More Than 50 cm)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eHS Code \/ Customs Tariff\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e85389081\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e Completely isolate external signal sources and verify that all associated processing loops are loops-off before inserting or removing the card. Failure to safely isolate active signal grounds could result in electrostatic damage or unstable transients within adjacent slots.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; color: #2d3748;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 0.75rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.5rem; height: 1.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cdiv\u003eInspect the rear backplane connectors and matching subrack slot for any physical obstructions or contamination.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 0.75rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.5rem; height: 1.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cdiv\u003eSlide the module down the upper and lower guide rails until it aligns precisely with the rear bus layout.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 0.75rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.5rem; height: 1.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cdiv\u003eApply uniform pressure to fully seat the hardware unit, then tighten the faceplate mechanical locking pins.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 0.75rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.5rem; height: 1.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n    \u003cdiv\u003eConnect the verified field signals to the designated termination terminal strips and confirm appropriate shielding continuity.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52668616180075,"sku":"SPDSM04","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/abb-spdsm04-advanced-pulse-input-module-for-industrial-automation-ralbpdhah1s_dd3a85ae-d7b8-49b9-8e0d-b21fc7419a2e.jpg?v=1765535675","url":"https:\/\/www.plcprotech.com\/products\/abb-spdsm04-symphony-plus-pulse-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}