{"product_id":"b-r-x20so2110-x20-series-safe-digital-output-module","title":"B\u0026R X20SO2110 X20 Series Safe Digital Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-25\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eX20SO2110 (X20SO2110)\u003c\/strong\u003e\u003cspan class=\"citation-25 citation-end-25\"\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision safe digital output module within the B\u0026amp;R X20 system, specifically engineered for functional safety applications requiring Category 4\/PLe or SIL 3 compliance.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-24 citation-end-24\"\u003eThis module features 2 safe type A digital outputs, each capable of providing 0.5 A of nominal current.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eBy utilizing semiconductor technology, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20SO2110\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures that safety-related characteristics remain independent of the number of switching cycles, unlike traditional mechanical relays. It is optimized for controlling safety actuators—such as contactors and valves—in environments where high-speed response and integrated current monitoring are essential for maintaining a safe process state.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-23\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eX20SO2110\u003c\/strong\u003e\u003cspan class=\"citation-23 citation-end-23\"\u003e\u003cspan\u003e \u003c\/span\u003eutilizes a \"high-side low-side\" (Type A) output architecture, which provides a significant safety advantage by enabling the actuator to be cut off in its connection cable under all error scenarios.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-22 citation-end-22\"\u003eThe module incorporates integrated OSSD (Output Signal Switching Device) test pulses with a duration of less than 500 microseconds to detect short circuits and cross-faults without deactivating the load.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eAdditionally, it features advanced current monitoring for open-circuit detection and is equipped with protection against automatic restarts in the event of network errors.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-21\"\u003eData is transferred via the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eopenSAFETY\u003c\/strong\u003e\u003cspan class=\"citation-21 citation-end-21\"\u003e\u003cspan\u003e \u003c\/span\u003eprotocol, ensuring fail-safe communication across the control network.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eX20SO2110\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eB\u0026amp;R (Bernecker + Rainer)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModule Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSafe Digital Output Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSafety Category\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIL 3, PL e, Cat. 4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Outputs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Safe Type A (Source\/Sink)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Output Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 A per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOSSD Test Pulse\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 500 microseconds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Filter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated with current monitoring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 W (Internal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C (Horizontal mounting)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the primary safety benefits of the Type A output variant?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-20 citation-end-20\"\u003eType A outputs utilize a dual-switching mechanism (high-side and low-side) for each actuator.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThis ensures that the actuator can be safely disconnected even if one side of the connection cable is shorted to ground or supply voltage, providing superior protection over standard high-side switching.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module detect an open-circuit fault?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-19\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eX20SO2110\u003c\/strong\u003e\u003cspan class=\"citation-19 citation-end-19\"\u003e\u003cspan\u003e \u003c\/span\u003euses internal current measurement.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIf the output current drops below 10 mA, the module triggers a \"CurrentOK = FALSE\" signal. This allows the safety logic to identify broken wires or failed actuators in real-time.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with standard (non-safety) terminal blocks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-18\"\u003eTo maintain functional safety integrity and prevent incorrect hardware insertion, the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eX20SO2110\u003c\/strong\u003e\u003cspan class=\"citation-18 citation-end-18\"\u003e\u003cspan\u003e \u003c\/span\u003erequires a 12-pin safety-keyed terminal block (X20TB12) and a safety-keyed bus module, which must be ordered separately.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-17\"\u003e\u003c\/span\u003e\u003cstrong\u003eActuator Grounding Constraints:\u003c\/strong\u003e\u003cspan class=\"citation-17\"\u003e\u003cspan\u003e \u003c\/span\u003eBecause the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eX20SO2110\u003c\/strong\u003e\u003cspan class=\"citation-17 citation-end-17\"\u003e\u003cspan\u003e \u003c\/span\u003eis a Type A (high-side\/low-side) module, the connected actuators (relays, valves) must not have an existing reference to ground potential.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThe actuator must be connected exclusively to the two output terminals of the module to allow the safe cutoff logic to function correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCapacitive Load Management:\u003c\/strong\u003e\u003cspan class=\"citation-16 citation-end-16\"\u003e\u003cspan\u003e \u003c\/span\u003eThe module is rated for a maximum capacitive load of 100 nF. When using long cable runs to field actuators, calculate the total cable capacitance.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eExcessive capacitance can interfere with the OSSD test pulses, potentially causing the module to report false cross-fault errors or enter a fail-safe state.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-15\"\u003e\u003c\/span\u003e\u003cstrong\u003eThermal Derating:\u003c\/strong\u003e\u003cspan class=\"citation-15 citation-end-15\"\u003e\u003cspan\u003e \u003c\/span\u003eWhile the module supports up to 60 deg C in horizontal mounting, vertical mounting reduces the permissible ambient temperature to 50 deg C. For high-density safety racks, ensure a minimum clearance of 12.5 mm is maintained between the safe I\/O slice and adjacent high-heat modules to ensure reliable OSSD timing.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"B\u0026R","offers":[{"title":"Default Title","offer_id":53102125515115,"sku":"X20SO2110","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/x20so2110-uiilw1o2ewk.png?v=1776138225","url":"https:\/\/www.plcprotech.com\/products\/b-r-x20so2110-x20-series-safe-digital-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}