{"product_id":"allen-bradley-1731-ca-1700-series-resolver-interface-module","title":"Allen-Bradley 1731-CA 1700 Series Resolver Interface Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1731-CA\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1731-CA\u003c\/strong\u003e Resolver Interface Module, operates as a dedicated hardware component for converting angular resolver signals into digital position feedback within 1700 Series PLC racks.\u003c\/p\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\u003e1731-CA\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\u003e1.72 lbs (0.78 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1700 Series Rack Module Size\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\u003eMax Current Draw: 675 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e10 Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Inputs\u003c\/td\u003e\n\u003ctd\u003e1 Resolver Input Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e8-Pin Terminal Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Category\u003c\/td\u003e\n\u003ctd\u003ePLC Resolver Interface \/ Encoder Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Backplane Communication Properties\u003c\/h3\u003e\n\u003cp\u003eAs a specialized feedback acquisition unit within Allen-Bradley control architectures, the 1731-CA delivers high-precision angular tracking and real-time bus interaction:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity:\u003c\/strong\u003e High-speed parallel backplane logic transfers 10-bit absolute position updates directly to central processor memory within fixed scan cycles, minimizing position reporting lag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP Deterministic Networks:\u003c\/strong\u003e Formats raw rotor position measurements for high-level motion logic, transmitting deterministic feedback values across upstream PLC network interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling:\u003c\/strong\u003e Accommodates a dedicated 8-pin resolver terminal interface within a compact rack footprint, enabling single-channel motion feedback without adding external signal conversion electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum current draw of the 1731-CA module from the backplane power rail?\u003c\/p\u003e\n\u003cp\u003eA: The 1731-CA module draws a maximum current of 675 mA from the rack supply during active resolver excitation and signal decoding.\u003c\/p\u003e\n\u003cp\u003eQ: What physical connection interface is utilized for field excitation and signal wiring?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates a dedicated 8-pin connector for terminating resolver excitation and sine\/cosine feedback wiring.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eAdherence to standard electrical installation protocols is required to maintain signal integrity and prevent noise coupling:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Termination and Mechanical Seating:\u003c\/strong\u003e Insert the 8-pin wiring harness firmly into the front terminal block. Align the module card edges with the 1700 Series chassis guide rails and push until the rear backplane connector fully seats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding:\u003c\/strong\u003e Always use individually shielded, twisted-pair cabling for resolver excitation and feedback signals. Ground the cable shield at the chassis ground bus bar only; do not connect the shield at the resolver end to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Segregation:\u003c\/strong\u003e Route resolver signal cables in dedicated low-voltage instrument raceways. Maintain a minimum physical spacing of 200 mm from three-phase AC power cables, variable frequency drives, and heavy motor leads.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45303557750899,"sku":"1731-CA","price":88.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.dcssupplier.com\/ar\/products\/allen-bradley-1731-ca-1700-series-resolver-interface-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}