{"product_id":"abb-pfsa-140-3bse006503r1-roll-supply-unit","title":"ABB PFSA 140 3BSE006503R1 Roll Supply Unit","description":"\u003cp\u003eThe \u003cstrong\u003eABB PFSA 140 3BSE006503R1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePFSA 140\u003c\/strong\u003e Roll Supply Unit, operates as a dedicated hardware component for constant-current excitation and excitation power distribution within Pressductor mill sensing and tension measurement systems. Driven by an output stage operating at 2 kHz up to 1 kW maximum capacity, the module delivers dual constant-current outputs of 2x 2x 1.2 A directly to web force sensor transducers.\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\u003ePFSA 140 (3BSE006503R1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States \/ Sweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePower Supply Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExcitation Frequency\u003c\/td\u003e\n\u003ctd\u003e2 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Power\u003c\/td\u003e\n\u003ctd\u003e1 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Output Rating\u003c\/td\u003e\n\u003ctd\u003e2x 2x 1.2 A (Constant Current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e23.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Pressductor subrack \/ enclosure footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C (standard enclosure ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1 kW maximum full-load dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Deterministic Execution\u003c\/h3\u003e\n\u003cp\u003eThe supply unit interfaces directly with processing electronics via backplane bus communication velocity channels to provide real-time status diagnostics and current regulation feedback. Internal power logic maintains deterministic network timing and constant-current scaling without drift. Onboard firmware flash compatibility ensures synchronized parameter calibration across system controller updates without disturbing the 2 kHz excitation carrier frequency.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is thermal dissipation managed given the 23.3 kg weight and 1 kW output capacity?\u003c\/p\u003e\n\u003cp\u003eA: The chassis utilizes heavy-duty aluminum heat sinks designed for cabinet installation with natural or forced convection; adequate vertical airflow clearance must be maintained above and below the enclosure.\u003c\/p\u003e\n\u003cp\u003eQ: What precautions are required when connecting the 2x 2x 1.2 A constant-current outputs?\u003c\/p\u003e\n\u003cp\u003eA: All transducer wiring must be completed and terminal screws fully tightened prior to energizing the unit to prevent high-voltage inductive inductive transients on open circuit loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnclosure Mounting: Mount the 23.3 kg unit securely using heavy-duty bolts attached to the cabinet backplate, ensuring structural support for the physical weight.\u003c\/li\u003e\n\u003cli\u003eEarth Grounding: Connect a dedicated copper earth conductor to the main chassis ground stud to establish shield grounding and minimize electromagnetic interference on the 2 kHz output lines.\u003c\/li\u003e\n\u003cli\u003eTransducer Cabling: Route constant-current excitation wiring in shielded twisted-pair cables physically separated from high-voltage AC power and motor drive conduits.\u003c\/li\u003e\n\u003cli\u003eInput Line Isolation: Ensure primary power feeds are de-energized and locked out before landing incoming power connections on the supply terminals.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53257113927989,"sku":"PFSA 140 3BSE006503R1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/PFSA1403BSE006503R1.png?v=1786070982","url":"https:\/\/www.5gplc.com\/products\/abb-pfsa-140-3bse006503r1-roll-supply-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}