{"product_id":"abb-dx581-s-1sap284100r0001-functional-safety-i-o-port","title":"ABB DX581-S 1SAP284100R0001 Functional Safety I\/O Port","description":"\u003ch2\u003eABB DX581-S Safety I\/O Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-integrity safety functions in AC500-S PLC networks, the \u003cstrong\u003eABB DX581-S\u003c\/strong\u003e (\u003cstrong\u003e1SAP284100R0001\u003c\/strong\u003e) operates as a dedicated hardware component for SIL3-rated digital signal monitoring and fail-safe output execution.\u003c\/p\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDX581-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e76 x 67.5 x 62 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 V DC (Nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Inputs (SDI)\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Outputs (SDO)\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e0.5 A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFunctional Safety and Loop Integrity\u003c\/h3\u003e\n\u003cp\u003eThe DX581-S utilizes a robust internal diagnostic architecture to meet SIL3 and PLe safety requirements. The module executes fail-safe state transitions by monitoring input loop integrity via four dedicated pulse outputs, which detect cross-talk and short circuits to external voltage sources. Galvanic isolation between the safety-related I\/O and the backplane logic ensures that faults within the field wiring do not propagate to the safety CPU. The configuration of SDI channels allows for dual-channel sensor evaluation, which is required to achieve the highest levels of risk reduction for emergency stop systems and safety light curtains.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the DX581-S be utilized in a mixed I\/O environment with non-safety components?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the DX581-S is designed to operate within the AC500-S ecosystem, allowing it to reside on the same bus as non-safety I\/O. However, the system architecture must enforce strict separation between safety-critical logic and standard control processes to maintain the required safety integrity level.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle output failures?\u003c\/p\u003e\n\u003cp\u003eA: The module performs real-time monitoring of output voltage and current. Upon detection of a wire break, short circuit, or internal hardware fault, the module transitions the affected outputs to a de-energized state (fail-safe) and communicates the fault diagnostic to the safety CPU.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Snap the module onto a standard DIN rail. Ensure the module is properly seated and the lateral bus connectors are engaged with adjacent I\/O modules to maintain the safety bus continuity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Standards\u003c\/strong\u003e: Utilize shielded, color-coded cabling for safety I\/O signals to prevent crosstalk. Terminate shields to the designated protective earth (PE) terminal to maintain EMI immunity. Adhere to strict wire separation distances between safety circuits and high-power load cabling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Validation\u003c\/strong\u003e: Prior to safety-logic activation, verify every channel's loop impedance and perform a function test using the system's test pulse features to ensure no cross-wiring exists between SDI\/SDO paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment\u003c\/strong\u003e: Verify that the operating environment does not exceed -25 deg C to 60 deg C. Since the device is IP20 rated, ensure the control cabinet provides adequate protection against dust and liquid ingress, as safety performance can be compromised by environmental contamination.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":42915285368922,"sku":"DX581-S 1SAP284100R0001","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/41.1_31fbf2df-5cdd-4c2e-ba8d-0bd483f62fb7.jpg?v=1770859607","url":"https:\/\/www.spareoil.com\/products\/abb-dx581-s-1sap284100r0001-functional-safety-i-o-port","provider":"SpareOil Automation","version":"1.0","type":"link"}