{"product_id":"301120-pilz-pss-sb-di8oz4-safetybus-digital-i-o-module-24vdc","title":"301120 | Pilz PSS SB DI8OZ4 SafetyBUS Digital I O Module 24VDC","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"122\" data-end=\"397\"\u003eThe Pilz 301120 PSS SB DI8OZ4 is a digital I\/O system module designed for SafetyBUS-based safety control systems. Operating on a 24 VDC supply, it provides a combination of digital inputs and safety-related digital outputs for reliable signal processing in industrial automation.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003ePilz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eI\/O Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003e301120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eSafetyBUS I\/O Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003ePSS SB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eDigital I\/O system module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eCommunication System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eSafetyBUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eDigital Outputs (Positive Switching)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003e4 × 2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eDigital Outputs (Negative Switching)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003e4 × 2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eTest Pulse Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003e2 dedicated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eSemiconductor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003eSafety-related signal acquisition and control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.567%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.0693%;\"\u003e1.2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About\u003cspan data-sheets-root=\"1\"\u003e 301120\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 301120 is part of the Pilz PSS SB SafetyBUS I\/O system, developed for decentralized safety signal processing in complex automation architectures. It combines multiple digital inputs with both positive- and negative-switching digital outputs, allowing flexible connection of sensors and actuators. Dedicated test pulse outputs support monitoring of connected safety devices and line fault detection. Designed for DIN rail mounting with screw terminals, the module integrates easily into industrial control panels and distributed safety systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSafetyBUS-Compatible I\/O Module: Designed for use within Pilz SafetyBUS systems to support distributed safety architectures.\u003c\/li\u003e\n\u003cli\u003eEight Digital Inputs: Enables reliable acquisition of safety-related and standard digital signals from field devices.\u003c\/li\u003e\n\u003cli\u003eDual Output Switching Types: Includes both positive- and negative-switching semiconductor outputs to support a wide range of actuator wiring concepts.\u003c\/li\u003e\n\u003cli\u003eHigh Output Current Capacity: Each digital output is rated up to 2 A, allowing direct control of field devices without additional relays.\u003c\/li\u003e\n\u003cli\u003eDedicated Test Pulse Outputs: Two integrated test pulses support fault detection and monitoring of connected safety sensors.\u003c\/li\u003e\n\u003cli\u003eIndustrial Screw Terminal Connections: Provides secure, vibration-resistant wiring suitable for long-term industrial use.\u003c\/li\u003e\n\u003cli\u003eDIN Rail Mounting Design: Supports fast installation and efficient use of space within control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 301120 delivers the reliability and precision required for decentralized digital input and output handling in Pilz SafetyBUS-based industrial safety and automation systems.\u003c\/p\u003e","brand":"Pilz","offers":[{"title":"Default Title","offer_id":49105028972800,"sku":"301120","price":2097.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/img_3382.jpg?v=1785538344","url":"https:\/\/alotechparts.com\/products\/301120-pilz-pss-sb-di8oz4-safetybus-digital-i-o-module-24vdc","provider":"Alo Tech Solutions","version":"1.0","type":"link"}