{"product_id":"allen-bradley-1771-hra-plc-5-resolver-excitation-module","title":"Allen-Bradley 1771-HRA PLC 5 Resolver Excitation Module","description":"\u003ch2\u003eAllen-Bradley 1771-HRA Resolver Excitation Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #1a5276;\"\u003eAllen-Bradley 1771-HRA\u003c\/strong\u003e is a resolver excitation module from the PLC 5 series. Weighing approximately 0.9 kg, it draws power from a 1771-PS7 supply and provides sine and cosine signals to excite the stator of IMC 120 resolver feedback, delivering precise position feedback to controller modules.\u003c\/p\u003e\n\u003ch3\u003eProduct Identification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Rockwell Automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Allen-Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1771-HRA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e Resolver Excitation Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e PLC 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Arm:\u003c\/strong\u003e 1771-WA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f0f0f0;\"\u003e\n\u003cth style=\"padding: 8px 12px; border: 1px solid #ccc; text-align: left; width: 40%;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px 12px; border: 1px solid #ccc; text-align: left; width: 60%;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eApprox. 0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eDimensions (H×W×D)\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e89 × 165 × 51 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eCurrent Rating (5.2V DC)\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e340 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eCurrent Rating (15V DC)\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e228 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eMaximum Wattage\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e9.06 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eFuse Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eMax Input Frequency\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e250 kHz differential input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eOutputs\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e±10V DC analog command\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eSlots\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e2 slots per ES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eModule Update Period\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e2 ms\/axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eBackplane Current\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e1.7 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003ePulse Capture Time\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e50-9.999 μs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOutput and Signal Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f0f0f0;\"\u003e\n\u003cth style=\"padding: 8px 12px; border: 1px solid #ccc; text-align: left; width: 40%;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px 12px; border: 1px solid #ccc; text-align: left; width: 60%;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eSinusoid Output Amplitude\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e6.72V to 7.42V RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eSine-Cosine Matching\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e0.3% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eMaximum Offset Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e0.01V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eSignal Distortion (THD)\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eOutput Frequency\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e2.5 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eSine-to-Cosine Relationship\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e90° for 4.5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eSine Phase Offset\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e0.450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eSine Drift\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e±5.4 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eMax Output Inductive Load\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e80 Ω at 80°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eOutput Current Limit\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e0.81 A min \/ 0.35 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003eMax Signal Delay\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 12px; border: 1px solid #ccc;\"\u003e2 s from power-up to output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides sine and cosine excitation signals for IMC 120 resolver feedback.\u003c\/li\u003e\n\u003cli\u003ePowered by 1771-PS7 supply (5V, 15V, 24V DC).\u003c\/li\u003e\n\u003cli\u003eGreen LED indicator for power status.\u003c\/li\u003e\n\u003cli\u003eConnects to termination panel using 1771-CAPR 12 ft cable.\u003c\/li\u003e\n\u003cli\u003eUses 1771-CAS cable with 12-pin Latch and Lock connector.\u003c\/li\u003e\n\u003cli\u003eBackplane power consumption of 0.4W.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount in 1771 I\/O chassis using 2 slots per ES.\u003c\/li\u003e\n\u003cli\u003eConnect 1771-PS7 power supply via 1771-CAS cable.\u003c\/li\u003e\n\u003cli\u003eUse 1771-CAPR 12 ft cable for termination panel connection.\u003c\/li\u003e\n\u003cli\u003eInstall 1771-WA wiring arm for field connections.\u003c\/li\u003e\n\u003cli\u003eVerify green LED power indicator before operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1:\u003c\/strong\u003e What is the weight of the module?\u003cbr\u003e\u003cstrong\u003eA1:\u003c\/strong\u003e Approximately 0.9 kg.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2:\u003c\/strong\u003e What is the maximum wattage rating?\u003cbr\u003e\u003cstrong\u003eA2:\u003c\/strong\u003e 9.06 W.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3:\u003c\/strong\u003e What is the output frequency of the excitation signals?\u003cbr\u003e\u003cstrong\u003eA3:\u003c\/strong\u003e 2.5 kHz.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67922536366212,"sku":"1771-HRA","price":156.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1771-HRA.jpg?v=1794227266","url":"https:\/\/www.etowonauto.com\/tk\/products\/allen-bradley-1771-hra-plc-5-resolver-excitation-module","provider":"Etowon Auto","version":"1.0","type":"link"}