{"product_id":"phoenix-contact-2901535-radioline-4-channel-digital-input-module","title":"Phoenix Contact 2901535 Radioline 4-Channel Digital Input Module","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe Phoenix Contact 2901535 is a RAD-DI4-IFS digital input extension module that adds four isolated input channels to compatible Radioline systems. Its wide-range inputs accept AC or DC signals up to 250 V for monitoring equipment status and switching signals. Screw-terminal connections and DIN-rail bus integration simplify installation in industrial control cabinets.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 499.844px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003ePhoenix Contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003eIndustrial Automation \u0026amp; Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003e2901535\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003eDigital Input Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eModel \/ Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003eRAD-DI4-IFS \/ Radioline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003e4 digital inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003e0–250 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eLow-Voltage Input Thresholds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003eOFF: 0–4 VAC\/VDC; ON: 10–50 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 39.1875px;\"\u003e\u003cstrong\u003eHigh-Voltage Input Thresholds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 39.1875px;\"\u003eOFF: 0–20 VAC\/VDC; ON: 50–250 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaximum Input Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003e2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 39.1875px;\"\u003e\u003cstrong\u003eMaximum Input Current Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 39.1875px;\"\u003e1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eModule Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003e19.2–30.5 VDC through DIN-rail bus connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 39.1875px;\"\u003e\u003cstrong\u003eMaximum Module Supply Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 39.1875px;\"\u003e11 mA at 24 VDC and 77°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 39.1875px;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 39.1875px;\"\u003eChannel-to-channel; 300 V rated insulation between digital inputs and TBUS supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eConnection Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003eScrew terminals; 24–14 AWG conductors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003ePWR, DAT, ERR, and DI1–DI4 LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting \/ Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 19.5938px;\"\u003e35 mm DIN rail; any mounting orientation; IP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 39.1875px;\"\u003e\u003cstrong\u003eDimensions \/ Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 39.1875px;\"\u003eApproximately 0.69 × 4.45 × 4.51 inches W × H × D; −40–158°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 33.5963%; height: 10px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.7281%; height: 10px;\"\u003eApproximately 0.25 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e2901535\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe 2901535 is part of Phoenix Contact’s Radioline family of modular communication and I\/O products. It receives operating power through the DIN-rail bus connector and requires a compatible Radioline station for operation. Channel-to-channel electrical isolation separates the input circuits, while thumbwheel configuration supports straightforward signal assignment. Hot-swap capability allows module replacement during system operation in accordance with the applicable installation requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFour Digital Inputs: Expands a compatible Radioline station with four discrete monitoring channels.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAC\/DC Signal Compatibility: Accepts input signals within the specified 0–250 VAC\/VDC range.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSeparate Input Thresholds: Provides defined switching levels for low-voltage and high-voltage signal connections.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChannel Isolation: Electrically separates the digital input channels from one another.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBus-Powered Design: Receives 19.2–30.5 VDC through the DIN-rail bus connector.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThumbwheel Configuration: Supports local setup and signal assignment without complex programming.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHot-Swap Capability: Supports module replacement during operation under the specified installation conditions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLocal Diagnostics: Includes LEDs for power, bus communication, errors, and individual input states.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eScrew-Terminal Connections: Accepts solid or flexible conductors from 24–14 AWG.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtended Operating Range: Operates at ambient temperatures from −40 to 158°F.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNarrow Housing: Uses a 17.5 mm-wide enclosure to conserve DIN-rail space.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe 2901535 delivers the reliability and precision required for isolated digital signal acquisition in industrial Radioline communication systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Phoenix Contact","offers":[{"title":"Default Title","offer_id":53321713451306,"sku":"2901535","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_90d66f44-cb44-4f2e-9b96-289fb381b22b.webp?v=1793053423","url":"https:\/\/iqelectro.com\/products\/phoenix-contact-2901535-radioline-4-channel-digital-input-module","provider":"IQElectro","version":"1.0","type":"link"}