{"product_id":"abb-di821-230v-ac-dc-digital-input-module-8-channel","title":"ABB DI821 230V AC\/DC Digital Input Module | 8-Channel","description":"\u003ch2\u003eABB DI821 8-Channel 230V AC\/DC Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #2e8b57;\"\u003eABB\u003c\/strong\u003e \u003cstrong style=\"color: #2e8b57;\"\u003eDI821\u003c\/strong\u003e module offers eight digital inputs for S800 I\/O systems. It handles both 230V AC and 220V DC signals with individual channel isolation. This advanced module provides reliable performance for high-voltage industrial applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e8b57;\"\u003eEight 230V AC\/DC input channels\u003c\/span\u003e with current sinking\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e8b57;\"\u003eIndividually isolated channels\u003c\/span\u003e for maximum safety\u003c\/li\u003e\n\u003cli\u003eDual voltage supervision via channels 1 and 8\u003c\/li\u003e\n\u003cli\u003eIndividual channel status indicators\u003c\/li\u003e\n\u003cli\u003eBuilt-in 6 ms analog filtering\u003c\/li\u003e\n\u003cli\u003eCompatible with TU811V1 and other MTUs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cspan style=\"color: #2e8b57;\"\u003eABB\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cspan style=\"color: #2e8b57;\"\u003eDI821\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3BSE008550R1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage AC:\u003c\/strong\u003e \u003cspan style=\"color: #2e8b57;\"\u003e164-264V AC for \"1\" state\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage DC:\u003c\/strong\u003e \u003cspan style=\"color: #2e8b57;\"\u003e175-275V DC for \"1\" state\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current AC:\u003c\/strong\u003e 11 mA at 230V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current DC:\u003c\/strong\u003e 1.6 mA at 220V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 21 kΩ (AC), 134 kΩ (DC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Individual channel isolation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Times:\u003c\/strong\u003e \u003cspan style=\"color: #2e8b57;\"\u003e2, 4, 8, 16 ms selectable\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 47-63 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Cable Length:\u003c\/strong\u003e \u003cspan style=\"color: #2e8b57;\"\u003e200 meters AC, 600 meters DC\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 2.8 Watts typical\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Wiring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with S800 I\/O systems\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e8b57;\"\u003e0.5-0.6 Nm recommended torque\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e6-7.5 mm wire stripping length\u003c\/li\u003e\n\u003cli\u003eSupports standard wire sizes\u003c\/li\u003e\n\u003cli\u003eEasy integration with ABB MTUs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e8b57;\"\u003eOperating Temperature: 0 to +55°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -40 to +70°C\u003c\/li\u003e\n\u003cli\u003eProtection Class: IP20\u003c\/li\u003e\n\u003cli\u003eRelative Humidity: 5 to 95% non-condensing\u003c\/li\u003e\n\u003cli\u003eMarine certifications: ABS, BV, DNV, LR\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 45 mm (1.77”)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 102 mm (4.01”)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 119 mm (4.7”)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.18 kg (0.4 lbs.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for S800 I\/O platform\u003c\/li\u003e\n\u003cli\u003eWorks with TU811, TU813, TU831 series\u003c\/li\u003e\n\u003cli\u003eCompatible with TU839, TU851 models\u003c\/li\u003e\n\u003cli\u003eKeying code: AC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecure industrial packaging\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e8b57;\"\u003eWorldwide shipping via FedEx, UPS, DHL\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eComplete documentation included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eHow does voltage supervision work on the DI821?\u003c\/h4\u003e\n\u003cp\u003e\u003cspan style=\"color: #2e8b57;\"\u003eChannel 1 monitors channels 2-4\u003c\/span\u003e, while \u003cspan style=\"color: #2e8b57;\"\u003echannel 8 monitors channels 5-7\u003c\/span\u003e for voltage loss.\u003c\/p\u003e\n\u003ch4\u003eWhat is the analog filter specification?\u003c\/h4\u003e\n\u003cp\u003eThe module includes a \u003cspan style=\"color: #2e8b57;\"\u003e6 ms analog filter\u003c\/span\u003e with 5\/28 ms on\/off delay characteristics.\u003c\/p\u003e\n\u003ch4\u003eCan I use both AC and DC signals simultaneously?\u003c\/h4\u003e\n\u003cp\u003eYes, the module supports \u003cspan style=\"color: #2e8b57;\"\u003emixed AC and DC signal\u003c\/span\u003e operation on different channels.\u003c\/p\u003e\n\u003ch4\u003eWhat are the different cable length limits?\u003c\/h4\u003e\n\u003cp\u003eAC signals support \u003cspan style=\"color: #2e8b57;\"\u003e200 meters\u003c\/span\u003e, while DC signals allow \u003cspan style=\"color: #2e8b57;\"\u003e600 meters\u003c\/span\u003e maximum length.\u003c\/p\u003e\n\u003ch4\u003eHow many channels have individual isolation?\u003c\/h4\u003e\n\u003cp\u003eAll \u003cspan style=\"color: #2e8b57;\"\u003eeight channels feature individual isolation\u003c\/span\u003e for enhanced safety.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCopyright © 2025 AutoNex Controls Limited. All rights reserved.\u003c\/p\u003e\n\u003cp\u003eReference Source: \u003ca href=\"https:\/\/www.autonexcontrol.com\/\"\u003ewww.autonexcontrol.com\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eContact our sales team for pricing and technical support:\u003c\/p\u003e\n\u003cp\u003eEmail: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePhone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e (WhatsApp available)\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45296149168289,"sku":"DI821","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/DI821.jpg?v=1761899424","url":"https:\/\/www.autonexcontrol.com\/vi\/products\/abb-di821-230v-ac-dc-digital-input-module-8-channel","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}