{"product_id":"1771-nov-plc-5-analog-i-o-module-allen-bradley","title":"1771-NOV PLC 5 Analog I\/O Module | Allen-Bradley","description":"\u003cp\u003eConfigured for precise voltage regulation in PLC 5 control networks, the \u003cstrong\u003eAllen-Bradley 1771-NOV\u003c\/strong\u003e (\u003cstrong\u003e1771-NOV\u003c\/strong\u003e N-Series Analog I\/O Module) provides direct physical\/electrical execution of 8-channel analog output signaling.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771-NOV\u003c\/strong\u003e: Base module unit designed for rack-mounted PLC 5 chassis integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771-RTP4\u003c\/strong\u003e: Optional unfused Remote Terminal Panel for standard output distribution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771-RTP3\u003c\/strong\u003e: Optional fused Remote Terminal Panel for circuit protection on output channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771-WH\u003c\/strong\u003e: Compatible standard wiring arm required for interface connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1771-NOV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.79 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot Specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.1 A (Backplane current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8 (Voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Resolution\u003c\/td\u003e\n\u003ctd\u003e+\/- 10 VDC (1.32 mV\/bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1771-NOV\u003c\/strong\u003e interfaces with the PLC 5 backplane to manage analog output signals via BCD or natural binary data formats. The module utilizes high-speed backplane bus communication velocity to ensure deterministic signal updates. Users must ensure that the firmware flash compatibility of the host processor is verified for N-Series module support to prevent timing inaccuracies. Given the high backplane current demand of 2.1 A, proper I\/O density scaling calculations are mandatory when configuring the chassis power budget to avoid voltage sag and communication timeouts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1771-NOV module support hot-swapping during processor operation?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1771-NOV does not support hot-swapping. The host rack must be de-energized prior to removing or installing the module to protect the backplane pins from electrical arcing.\u003c\/p\u003e\n\u003cp\u003eQ: How is the output resolution of 1.32 mV\/bit maintained across the +\/- 10 VDC range?\u003c\/p\u003e\n\u003cp\u003eA: The resolution is a function of the internal digital-to-analog converter (DAC) bit depth. The conversion accuracy assumes proper shielding of the signal output to prevent electromagnetic interference from inducing ripple or noise onto the analog loop.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the PLC 5 rack and verify zero potential across the backplane terminals before beginning installation.\u003c\/li\u003e\n\u003cli\u003eInstall the module into the designated slot, ensuring firm engagement with the rack backplane connectors.\u003c\/li\u003e\n\u003cli\u003eSelect the appropriate Remote Terminal Panel (1771-RTP3 for fused or 1771-RTP4 for unfused) based on the circuit protection requirements of the target load.\u003c\/li\u003e\n\u003cli\u003eUtilize the 1771-WH wiring arm for all terminations, ensuring proper torque on terminal screws to maintain low contact resistance.\u003c\/li\u003e\n\u003cli\u003eTerminate all output cable shields to a single, dedicated earth ground at the cabinet entry point to prevent ground loop noise common in analog signaling.\u003c\/li\u003e\n\u003cli\u003eVerify output voltage scaling in the PLC programming software after power-up; confirm that the output maps correctly to the expected voltage range.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53514887266488,"sku":"1771-NOV","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1771-NOV.jpg?v=1779853988","url":"https:\/\/www.globalpetroparts.com\/products\/1771-nov-plc-5-analog-i-o-module-allen-bradley","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}