{"product_id":"abb-do890-digital-output-4-ch-intrinsic-safety","title":"ABB DO890 Digital Output 4-Ch Intrinsic Safety","description":"\u003ch2\u003e\u003cstrong\u003eABB DO890 Digital Output Module with Intrinsic Safety\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e ABB (DO890). This compact unit delivers four isolated 11 V, 40 mA outputs for process automation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput \u0026amp; Load:\u003c\/strong\u003e Each channel drives a 100–5000 Ω field load. Typical load is 300 Ω at 40 mA, ideal for solenoid valves and sounders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics \u0026amp; Protection:\u003c\/strong\u003e Configure open-circuit (\u0026gt;100 kΩ) and short-circuit (\u0026lt;20 Ω) detection per channel. The output is short-circuit proof with current limiting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation \u0026amp; Power:\u003c\/strong\u003e All four channels feature galvanic isolation from each other, the ModuleBus, and the 24 V supply. Power dissipation is 4.4 W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTU Compatibility:\u003c\/strong\u003e Use with TU890 (Ex applications) or TU891 (non-Ex) for direct two-wire connections without extra terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental \u0026amp; Safety:\u003c\/strong\u003e Operating temperature ranges 0 to +55 °C. It holds ATEX\/IECEx Zone 2, cFMus, and marine certifications (ABS, BV, DNV, LR).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e Width 45 mm, depth 102 mm (111 mm with connector), height 119 mm. Weight is 0.2 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module in an S800 series rack with TU890 or TU891 Compact MTU.\u003c\/li\u003e\n\u003cli\u003eEnsure the ambient temperature does not exceed 55 °C (40 °C for vertical mounting in compact MTU).\u003c\/li\u003e\n\u003cli\u003eConnect field devices using two-wire connections via the MTU—no additional terminals required.\u003c\/li\u003e\n\u003cli\u003eApply 24 V external supply (typ. 250 mA, max. \u0026lt;360 mA) and +5 V ModuleBus (typ. 80 mA).\u003c\/li\u003e\n\u003cli\u003eConfigure open\/short circuit supervision through the control system. Front LEDs indicate fault, run, warning, and channel status.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal specification:\u003c\/strong\u003e 11 V, 40 mA per channel (solenoid driver).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of channels:\u003c\/strong\u003e 4, individually isolated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput load range:\u003c\/strong\u003e 100 – 5000 Ω (short-circuit proof).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated insulation voltage:\u003c\/strong\u003e 50 V; dielectric test voltage 500 V a.c.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent consumption:\u003c\/strong\u003e +5 V ModuleBus typ. 80 mA, max. \u0026lt;150 mA; +24 V external typ. 250 mA, max. \u0026lt;360 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault sense current:\u003c\/strong\u003e \u0026lt; 4 mA. Supervision status intervals: 256, 512, or 1024 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e 0 to +55 °C; storage -40 to +70 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection class:\u003c\/strong\u003e IP20 (IEC 60529). Pollution degree 2, corrosion protection G3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC compliance:\u003c\/strong\u003e EN 61000-6-4, EN 61000-6-2. Electrical safety per EN 61010-1.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eABB \u003cstrong\u003e3BSC690074R1\u003c\/strong\u003e DO890 Digital Output Module (4 channels).\u003c\/li\u003e\n\u003cli\u003eKeying code AB for correct MTU insertion.\u003c\/li\u003e\n\u003cli\u003eProduct documentation and quick-start guide (digital access).\u003c\/li\u003e\n\u003cli\u003eNo additional mounting hardware required—fits directly into S800 rack.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is this module a genuine ABB product?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we supply \u003cstrong\u003e3BSC690074R1\u003c\/strong\u003e as brand-new, original ABB units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the stock availability?\u003c\/strong\u003e\u003cbr\u003eA: We keep the DO890 in stock for immediate shipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How long does delivery take?\u003c\/strong\u003e\u003cbr\u003eA: We ship within 5 business days via DHL, FedEx, or UPS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this module with non-Ex equipment?\u003c\/strong\u003e\u003cbr\u003eA: Yes, use TU891 for non-Ex applications; TU890 for Ex-rated installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the return policy?\u003c\/strong\u003e\u003cbr\u003eA: We support 30-day returns for unopened, resalable items.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does this module support HART or redundancy?\u003c\/strong\u003e\u003cbr\u003eA: No, HART and redundancy are not supported. It is a high-integrity, intrinsic-safety output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact Information Inquiries:\u003c\/strong\u003e \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e , \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner NexAuto Technology Limited:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46934949101729,"sku":"DO890","price":253.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/DO890.jpg?v=1787901483","url":"https:\/\/www.autonexcontrol.com\/products\/abb-do890-digital-output-4-ch-intrinsic-safety","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}