{"product_id":"b-r-x20do4322-x20-system-4-channel-digital-output-module","title":"B\u0026R X20DO4322 X20 System 4-Channel Digital Output Module","description":"\u003ch3\u003eTechnical Description and Application\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20DO4322 (X20DO4322)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a industrial-grade 4-channel digital output module built for the high-density B\u0026amp;R X20 System automation platform. Engineered for reliable signal transmission in automated packaging plants, heavy machinery control, and continuous process industries, this module regulates the switching states of discrete field actuators. It excels at driving low-power inductive, resistive, and capacitive loads such as solenoid valves, auxiliary relays, and status indicators. Featuring an ultra-compact form factor, the module optimizes space inside the electrical enclosure while delivering rapid processing speeds. Integrating the unit into your local or remote I\/O node ensures low-latency control loop execution, drastically reducing communication cycle times and protecting downstream hardware from unmanaged electrical anomalies.\u003c\/p\u003e\n\u003ch3\u003eOperational Architecture and Electrical Logic\u003c\/h3\u003e\n\u003cp\u003eThis I\/O component integrates four discrete digital outputs designed to manage standard 24 VDC industrial field devices. Power distribution is managed efficiently through the underlying X20 terminal block bus, keeping thermal dissipation to a minimum even during simultaneous multi-channel switching operations. Built with internal diagnostic monitoring capabilities, the module safeguards control infrastructure against short-circuit states and thermal overload conditions. The integrated electronic output stages feature specialized suppression logic to absorb voltage spikes generated when isolating inductive loads. This design choice eliminates the need for external freewheeling diodes and maintains stable bus operation during intense high-frequency switching cycles.\u003c\/p\u003e\n\u003ch3\u003eFunctional Performance Metrics\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngineered Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eX20DO4322\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\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\u003e\u003cstrong\u003eModule Category\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eX20 System Digital Output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Outputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Operating Voltage\u003c\/strong\u003e\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\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSemiconductor (Source\/PNP switching)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShort-Circuit Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated electronic current limiting\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOverload Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThermal shutdown mechanisms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Barrier\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptocoupler isolation between bus and I\/O\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStatus Display\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChannel-specific LED operational indicators\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Humidity Limits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 95% non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Humidity Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 95% non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAustria\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Hardware Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 0.09 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eGross Shipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 kg (Including protective export packaging)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSystem Integration FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the X20DO4322 require external fusing for individual outputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module contains electronic short-circuit and overload protection that limits the current automatically if a fault occurs. However, installing an external fast-acting fuse on the main 24 VDC field supply line is recommended to follow standard industrial safety regulations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module signal a channel fault condition to the main PLC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen an overload or short-circuit condition triggers a channel shutdown, the module registers an error status byte on the internal X20 system bus. This diagnostic data is uploaded to Automation Studio in real time, allowing the controller to trigger precise localized alarm routines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module switch AC voltage loads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The internal switching network utilizes DC semiconductor transistors designed exclusively for 24 VDC source operations. Connecting an AC voltage source will destroy the output circuitry.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Protocol and Maintenance Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInductive Load Suppression:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlthough the module includes internal protective networks to dampen minor inductive kickback, high-duty-cycle inductive components (such as large 24 VDC hydraulic solenoid valves) require external surge suppressors or varistors placed directly across the coil terminals. This maximizes the long-term operational lifespan of the internal transistors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Block Alignment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eInsert the module vertically into its corresponding X20 base module until the locking clips click into place. Use standard wire ferrules on all 24 VDC field wiring connections to ensure a secure fit within the spring-clamp terminals, preventing micro-arcs caused by loose wire strands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Derating Compliance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure adequate ventilation clearances are maintained around the X20 rack assembly. When operating at high ambient temperatures up to the system limit, review total simultaneous current consumption across all four channels to ensure total thermal dissipation remains within the safe operating envelope.\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":53086371479915,"sku":"X20DO4322","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/x20do4322-cdrrzi23y1z.png?v=1776138189","url":"https:\/\/www.plcprotech.com\/products\/b-r-x20do4322-x20-system-4-channel-digital-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}