{"product_id":"1771-iff-allen-bradley-plc5-analog-input-5ms-fast-scan","title":"1771-IFF Allen-Bradley PLC5 Analog Input 5ms Fast Scan","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1771-IFF High-Speed Analog Input Module for PLC5\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e\u003c\/span\u003e Allen-Bradley \u003cstrong\u003e1771-IFF\u003c\/strong\u003e analog input module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eInput Configuration:\u003c\/strong\u003e\u003c\/span\u003e 16 single-ended or 8 differential (software‑selectable).\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eVoltage Ranges:\u003c\/strong\u003e\u003c\/span\u003e 0-5V DC, 1-5V DC, ±5V DC, ±10V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eCurrent Ranges:\u003c\/strong\u003e\u003c\/span\u003e 4-20mA, 0-20mA, ±20mA, ±40mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eResolution \u0026amp; Data Format:\u003c\/strong\u003e\u003c\/span\u003e 12-bit binary plus sign; natural binary or BCD scaling to ±9999.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eUpdate Time (Fast):\u003c\/strong\u003e\u003c\/span\u003e 5 ms for 8 channels, 10 ms for 16 channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e\u003c\/span\u003e 750 mA @ 5V DC (no external power supply needed).\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eProtection \u0026amp; Isolation:\u003c\/strong\u003e\u003c\/span\u003e Optoelectrical isolation guards against transients; conformal coating resists moisture and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eNoise Rejection:\u003c\/strong\u003e\u003c\/span\u003e Built-in digital filtering reduces electrical noise on signal wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eSignal Delays (typical):\u003c\/strong\u003e\u003c\/span\u003e DC Off 20 ms (±9 ms); AC Off 24 ms (±10 ms).\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e\u003c\/span\u003e 2.5 Watts max (8.52 BTU\/hr).\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2563eb;\"\u003e\u003cstrong\u003eMounting \u0026amp; Wiring:\u003c\/strong\u003e\u003c\/span\u003e Rack mountable, 1 slot width; includes \u003cstrong\u003e1771-WG\u003c\/strong\u003e wiring arm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes the \u003cstrong\u003e1771-IFF\u003c\/strong\u003e faster than other analog modules?\u003c\/strong\u003e The \u003cstrong\u003e1771-IFF\u003c\/strong\u003e offers a 5 ms update time for 8 channels, compared to 18 ms on standard modules. This speed suits applications requiring rapid sampling, such as closed‑loop control or fast process monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan the \u003cstrong\u003e1771-IFF\u003c\/strong\u003e handle ±40 mA current signals?\u003c\/strong\u003e Yes, it supports an extended current range of ±40 mA in addition to the standard 4‑20mA, 0‑20mA, and ±20mA ranges. This makes it compatible with a wider variety of industrial transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the module work with both single‑ended and differential sensors?\u003c\/strong\u003e Absolutely. You can configure each channel group for single‑ended (16 inputs) or differential (8 inputs) mode via software, depending on your wiring and noise immunity needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does the 1771-WG wiring arm simplify maintenance?\u003c\/strong\u003e The wiring arm remains in the chassis when you remove the electronic module. You can replace the \u003cstrong\u003e1771-IFF\u003c\/strong\u003e without disconnecting any field wiring, saving time and preventing wiring errors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat do the front‑panel LEDs indicate?\u003c\/strong\u003e A steady green RUN light signals normal communication with the PLC5. A red FAULT light warns of configuration errors, loss of communication, or internal faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs an external power supply required?\u003c\/strong\u003e No, the \u003cstrong\u003e1771-IFF\u003c\/strong\u003e draws all necessary power (750 mA at 5V) from the backplane of the 1771 I\/O chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is your typical shipping time for this module?\u003c\/strong\u003e We keep the \u003cstrong\u003e1771-IFF\u003c\/strong\u003e in stock as new original surplus. We ship within 5 days after order confirmation via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I return the module if it doesn't meet my requirements?\u003c\/strong\u003e Yes, we accept returns within 30 days. The module must be in new, unused condition with its original packaging.\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\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner:\u003c\/strong\u003e \u003ca 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":45822573772961,"sku":"1771-IFF","price":253.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/1771-IFF-1.jpg?v=1773642612","url":"https:\/\/www.autonexcontrol.com\/az\/products\/1771-iff-allen-bradley-plc5-analog-input-5ms-fast-scan","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}