{"product_id":"1794-of4i-allen-bradley-analog-output-module","title":"1794-OF4I Allen-Bradley - Analog Output Module","description":"\u003ch2\u003e\u003cstrong\u003e1794-OF4I Allen-Bradley Flex IO Isolated Analog Output Module\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eFour isolated outputs\u003c\/span\u003e give you flexibility for mixed analog signals. Each channel operates independently with 120V continuous isolation (250V with 1794-TBN base).\u003c\/li\u003e\n\u003cli\u003eOutput current ranges include \u003cstrong\u003e4‑20 mA\u003c\/strong\u003e and \u003cstrong\u003e0‑20 mA\u003c\/strong\u003e. Voltage ranges cover ±10V, 0‑10V, ±5V, and 0‑5V – all user‑configurable.\u003c\/li\u003e\n\u003cli\u003eResolution reaches \u003cstrong\u003e15 bits plus sign\u003c\/strong\u003e. Voltage resolution equals 0.320 mV\/cnt, while current resolution is 0.656 mA\/cnt.\u003c\/li\u003e\n\u003cli\u003eUpdate rate selects \u003cstrong\u003e2.5 ms or 5.0 ms\u003c\/strong\u003e for all channels. Step response to 63% of full scale sits below 25 µs.\u003c\/li\u003e\n\u003cli\u003eAbsolute accuracy stays at \u003cstrong\u003e0.1% full scale @ 25°C\u003c\/strong\u003e for both voltage and current terminals. Accuracy drift equals 0.0012% FS\/°C (voltage) and 0.0025% FS\/°C (current).\u003c\/li\u003e\n\u003cli\u003eExternal DC supply requires \u003cstrong\u003e24V nom (19.2…31.2V DC inclusive of 5% AC ripple)\u003c\/strong\u003e. FlexBus draws 50 mA at 5V DC.\u003c\/li\u003e\n\u003cli\u003eThermal dissipation reaches max \u003cstrong\u003e16 BTU\/hr @ 31.2V DC\u003c\/strong\u003e. Power dissipation equals 4.7 W at 31.2V DC.\u003c\/li\u003e\n\u003cli\u003eOperating temperature ranges from \u003cstrong\u003e0°C to 55°C (32°F to 131°F)\u003c\/strong\u003e. Storage survives –40°C to 85°C (–40°F to 185°F).\u003c\/li\u003e\n\u003cli\u003eVibration tolerance is \u003cstrong\u003e5g @ 10 to 500 Hz\u003c\/strong\u003e. Operating shock withstands 30 g for rugged environments.\u003c\/li\u003e\n\u003cli\u003eCurrent load on voltage output maxes at \u003cstrong\u003e3 mA\u003c\/strong\u003e. Resistive load on voltage output spans 0 to 750 Ω.\u003c\/li\u003e\n\u003cli\u003eMaximum overload protection permits \u003cstrong\u003e30V continuous or 32 mA continuous\u003c\/strong\u003e (one channel at a time).\u003c\/li\u003e\n\u003cli\u003eFactory calibration comes standard. You also have the option for manual recalibration if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental \u0026amp; Electrical Endurance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolation voltage depends on the terminal base. It provides \u003cstrong\u003e250V continuous with 1794-TBN\u003c\/strong\u003e and \u003cstrong\u003e120V continuous with other compatible bases\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eHigh vibration rating (5g @ 10‑500 Hz) and 30g shock tolerance ensure reliable performance on moving machinery.\u003c\/li\u003e\n\u003cli\u003eThermal dissipation stays within 16 BTU\/hr maximum. This low heat output simplifies cabinet cooling requirements.\u003c\/li\u003e\n\u003cli\u003eThe module resists common industrial interference. Its digital‑to‑analog converter type maintains stable output under noisy conditions.\u003c\/li\u003e\n\u003cli\u003eWide storage temperature range (–40…85 °C) protects the device during logistics or plant shutdowns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the 1794-OF4I a genuine Allen‑Bradley new module?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we supply \u003cstrong\u003e100% brand new and original\u003c\/strong\u003e Allen‑Bradley 1794-OF4I modules. No counterfeits or used units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What terminal base works best with the 1794-OF4I?\u003c\/strong\u003e\u003cbr\u003eA: Compatible bases include \u003cstrong\u003e1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, and 1794-TBN\u003c\/strong\u003e. Choose based on your wiring needs (screw or spring clamp).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I mix current and voltage outputs on the same module?\u003c\/strong\u003e\u003cbr\u003eA: Yes, each of the four isolated channels is individually configurable. You can set some channels for 4‑20 mA and others for ±10V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the update rate and step response?\u003c\/strong\u003e\u003cbr\u003eA: Update rate is either \u003cstrong\u003e2.5 ms or 5.0 ms\u003c\/strong\u003e across all channels. Step response to 63% of full scale is less than 25 µs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you have stock available? How long until delivery?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we maintain \u003cstrong\u003estock on hand\u003c\/strong\u003e. Shipment occurs within 5 days after order. Delivery time depends on your location and chosen courier (FedEx, UPS, DHL).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the return policy?\u003c\/strong\u003e\u003cbr\u003eA: We offer \u003cstrong\u003e30 days return\u003c\/strong\u003e from delivery date. Items must be unused and in original packaging. Contact us for RMA authorization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the module require external 24V DC?\u003c\/strong\u003e\u003cbr\u003eA: Yes, a nominal 24V DC supply (range 19.2‑31.2V DC) is mandatory. The module draws 210 mA from this external source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I calibrate the 1794-OF4I manually?\u003c\/strong\u003e\u003cbr\u003eA: The module ships factory calibrated. However, you have the option to perform manual calibration if your application demands higher precision.\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 rel=\"noopener noreferrer\" href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e (WhatsApp)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner:\u003c\/strong\u003e \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.nex-auto.com\/\" target=\"_blank\"\u003eNexAuto Technology Limited\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46436779065505,"sku":"1794-OF4I","price":228.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/1794-OF4I.jpg?v=1778831827","url":"https:\/\/www.autonexcontrol.com\/it\/products\/1794-of4i-allen-bradley-analog-output-module","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}