{"product_id":"abb-hr-series-spsed01-sequence-of-events-digital-input-module","title":"ABB HR Series SPSED01 Sequence of Events Digital Input Module","description":"\u003cp style=\"color: #2d3748; font-family: sans-serif;\"\u003eThe \u003cstrong\u003eABB SPSED01\u003c\/strong\u003e is a high-density sequence of events digital input module designed for the Symphony Plus distributed control system[cite: 3]. It processes up to \u003cstrong\u003e16 optically isolated digital field inputs\u003c\/strong\u003e, providing reliable signal conditioning and data acquisition for critical industrial logic[cite: 3]. The module interfaces directly with the system controller over a standard \u003cstrong\u003eI\/O expander bus\u003c\/strong\u003e, enabling high-speed data delivery across the local input\/output network architecture[cite: 3]. Up to 63 SPSED01 modules can be deployed concurrently on a single I\/O expander bus segment alongside a dedicated timing module, providing exceptional scalability for complex processing environments[cite: 3].\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; font-family: sans-serif; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"color: #2d3748; font-family: sans-serif; list-style-type: square; padding-left: 20px;\"\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e16 Optically Isolated Channels:\u003c\/strong\u003e Individual channel-to-channel isolation safeguards internal microprocessor electronics against severe high-voltage field transients and ground loops[cite: 3].\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eFlexible Field Voltage Programming:\u003c\/strong\u003e Channels can be individually programmed to accept 24 VDC, 48 VDC, 125 VDC, or 120 VAC input signals[cite: 3].\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eDedicated Control Logic Integration:\u003c\/strong\u003e The 120 VAC input configuration is optimized specifically for system control logic applications[cite: 3].\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eHigh Bus Density Capability:\u003c\/strong\u003e Supports up to 63 modules on a single I\/O expander bus segment to maximize rack slot utilization[cite: 3].\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eOnboard Processing Architecture:\u003c\/strong\u003e Equipped with a 16-bit onboard microprocessor running at 10 MHz to manage multi-channel digital states reliably[cite: 3].\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; font-family: sans-serif; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"color: #2d3748; font-family: sans-serif; list-style-type: square; padding-left: 20px;\"\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003eConventional thermal power generation plant control systems[cite: 1].\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003eOil, gas, and petrochemical process production units[cite: 1].\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003eWater distribution, transmission, and treatment networks[cite: 1].\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003eHeavy industrial applications including cement, metals, mining, and pulp and paper facilities[cite: 1].\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; font-family: sans-serif; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-family: sans-serif; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eValue \/ Specification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eABB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUnited States\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSeries\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSymphony Plus HR Series (Harmony Rack)[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMicroprocessor\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e16 bits at 10 MHz[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOnboard Memory\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e64 KB RAM, 64 KB ROM[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eDigital Input Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e16 optically isolated channels[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Voltages (DC Ranges)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 VDC (+\/-10%), 48 VDC (+\/-10%), 125 VDC (+\/-10%)[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Voltages (AC Range)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e120 VAC (+\/-10%) (restricted to system control logic)[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eBus Communication Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eI\/O expander bus[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eLogic Power Requirements\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+5 VDC, +\/-5% at 350 mA typical[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 Celsius to 70 Celsius (32 °F to 158 °F)[cite: 3]\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.45 kg \/ 1.0 lb\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e254 mm x 178 mm x 38 mm\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; font-family: sans-serif; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #cc5555; padding: 15px; margin-bottom: 20px; font-family: sans-serif;\"\u003e\n  \u003cp style=\"color: #cc5555; margin: 0; font-weight: bold;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #2d3748; margin: 5px 0 0 0;\"\u003eDe-energize all primary logic power supplies and field input circuits before inserting, extracting, or servicing this module. Failure to completely isolate power connections prior to handling components risks severe arc flash hazard, equipment damage, or erratic control state execution. Always implement standard plant lock-out\/tag-out procedures.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"font-family: sans-serif; color: #2d3748;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px;\"\u003e1\u003c\/div\u003e\n    \u003cdiv\u003eInspect the module rack alignment slots and ensure the rear-facing I\/O expander bus pin connectors are completely free of industrial dust, debris, or bent contacts.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px;\"\u003e2\u003c\/div\u003e\n    \u003cdiv\u003eVerify the module configuration jumper settings match the target field voltage levels (24 VDC, 48 VDC, 125 VDC, or 120 VAC) prescribed for the local field device loops[cite: 3].\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px;\"\u003e3\u003c\/div\u003e\n    \u003cdiv\u003eCarefully align the circuit card with the rack chassis guides. Firmly slide the module inward until it is fully seated against the backplane connector, then secure all captive mounting screws.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52668613394795,"sku":"SPSED01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/abb-spsed01-digital-input-module-b2stjfzy3ep_e2aebf41-f24b-4fca-8fbc-f46febfcc61c.jpg?v=1765535575","url":"https:\/\/www.plcprotech.com\/vi\/products\/abb-hr-series-spsed01-sequence-of-events-digital-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}