{"product_id":"digital-input-module-siemens-simatic-s5-6es5-430-4ua11","title":"Siemens 6ES5430-4UA11 Simatic S5 Digital Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe 6ES5 430-4UA11 is a high-density digital input module engineered for the Siemens Simatic S5-135\/155 PLC architecture. This module is designed to process 32 floating binary signals, converting external field status data from devices such as limit switches, pushbuttons, and proximity sensors into galvanically isolated internal logic levels. It is built for reliable signal acquisition in demanding industrial environments, including oil refineries, steel manufacturing, and water treatment facilities. By isolating the central processing unit from high-voltage transients, electrical noise, and ground loops, the module helps maintain system determinism and reduces unscheduled downtime.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e32 floating digital input channels for high-density signal processing.\u003c\/li\u003e\n\u003cli\u003eGalvanic optical isolation between field inputs and the backplane bus to protect sensitive CPU components.\u003c\/li\u003e\n\u003cli\u003eIntegrated RC filtering to mitigate mechanical contact bounce and electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eFront-panel LED indicators for real-time channel status monitoring and diagnostics.\u003c\/li\u003e\n\u003cli\u003eIndustrial-grade PCB construction (C79040-A92-C316-05-85) for thermal stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is intended for use in Simatic S5-135 and S5-155 PLC systems. It is suitable for monitoring large-scale digital I\/O arrays in automated manufacturing, process control, and infrastructure management where electrical isolation and noise immunity are critical.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES5 430-4UA11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eSimatic S5-135 \/ S5-155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e32 Floating Digital Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (15 to 30 VDC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1.5 W (backplane), 8.5 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanic Optical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Assembly\u003c\/td\u003e\n\u003ctd\u003eC79040-A92-C316-05-85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the PLC rack power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eHandle the module by the edges to prevent ESD damage to the internal circuitry.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully seated in the S5 backplane slot and secured with the front-panel locking mechanism.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for field inputs to minimize EMI pickup, especially in high-noise environments.\u003c\/li\u003e\n\u003cli\u003eVerify that input voltage levels remain within the specified 15-30 VDC range to prevent signal errors or hardware damage.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation in the cabinet to ensure the ambient temperature remains within the 0-60 deg C operating range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this module compatible with S5-115U systems?\u003c\/h3\u003e\u003cp\u003eNo, this module is specifically designed for the S5-135 and S5-155 PLC architectures. Please verify your system model before installation.\u003c\/p\u003e\u003ch3\u003eDoes this module require external power for the inputs?\u003c\/h3\u003e\u003cp\u003eYes, the inputs are floating and require an external 24 VDC supply to provide the signal voltage for the connected field devices.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":44616618344536,"sku":"6ES5430-4UA11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_f9db1701-65a9-42ae-8969-fc7ad94ce684.jpg?v=1786993280","url":"https:\/\/www.industriaxplc.com\/products\/digital-input-module-siemens-simatic-s5-6es5-430-4ua11","provider":"IndustriaX Limited","version":"1.0","type":"link"}