{"product_id":"abb-dx581-s-1sap284100r0001-digital-input-output-module","title":"ABB DX581-S 1SAP284100R0001 Digital Input\/Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB DX581-S 1SAP284100R0001\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDX581-S\u003c\/strong\u003e Safety I\/O Module, operates as a dedicated hardware component for executing fail-safe state execution and safety-rated digital signal processing within distributed industrial automation architectures.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDX581-S\u003c\/strong\u003e: Base designation for the ABB S500-S safety-oriented digital input and output module platform supporting SIL2\/SIL3 system architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1SAP284100R0001\u003c\/strong\u003e: Unique ordering part identifier cataloging the standard hardware build, 1-wire connection scheme, and factory default safety firmware parameters.\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDX581-S 1SAP284100R0001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGermany \/ Sweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.13 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e67.5 mm x 62 mm x 76 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax 5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20.4 to 28.8 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 SDI (SIL2) \/ 4 SDI (SIL3), 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 SDO (SIL2\/3), 24 V DC, 0.5 A transistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePulse Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 pulse outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSafety Integrity and Fault Execution Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSIL3 Certification\u003c\/strong\u003e: Implements stringent functional safety logic to satisfy Safety Integrity Level 3 compliance standards for critical emergency shutdown loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple Modular Redundancy (TMR) 2oo3 Architecture\u003c\/strong\u003e: Utilizes dual-channel input discrepancy monitoring and safe state execution algorithms within safety PLC networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation\u003c\/strong\u003e: Provides robust electrical separation between field-side safety circuits and internal backplane communication lines to prevent common-mode failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFail-Safe State Execution\u003c\/strong\u003e: Automatically transitions transistor outputs into a de-energized safe state upon detecting internal diagnostic faults, short-circuits, or line overloads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the DX581-S module be replaced while the safety rack is energized?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping safety modules is restricted to maintain SIL loop integrity; power must be isolated prior to extraction to prevent unexpected safety trip executions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum output current rating for the safety transistor outputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Each digital output channel is rated for a continuous switching current of 0.5 A at 24 V DC, with a total module limit of 4 A.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the module handle input discrepancy for SIL3 safety channels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It utilizes configurable discrepancy time monitoring across paired digital input channels to validate mechanical switch contact operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module securely onto a standard DIN rail, ensuring proper locking latch engagement for mechanical stability against operational vibration.\u003c\/li\u003e\n\u003cli\u003eConnect the 24 V DC process supply voltage to designated terminals while verifying correct polarity and fuse protection limits before system startup.\u003c\/li\u003e\n\u003cli\u003eTerminate all field safety sensor and actuator cables securely, maintaining proper shielding practices to mitigate electromagnetic interference in high-noise industrial environments.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation spacing around the IP20-rated housing to support natural thermal dissipation across the specified operating temperature range.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45286396199027,"sku":"DX581-S 1SAP284100R0001","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-28_09-50-08.png?v=1785203779","url":"https:\/\/www.dcssupplier.com\/products\/abb-dx581-s-1sap284100r0001-digital-input-output-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}