{"product_id":"allen-bradley-1442-dr-5850-eddy-current-driver","title":"Allen-Bradley 1442-DR-5850 Eddy Current Driver","description":"\u003cp\u003eConfigured for non-contact shaft vibration and displacement monitoring in Allen-Bradley XM-120 series machinery protection networks, the \u003cstrong\u003eAllen-Bradley 1442-DR-5850\u003c\/strong\u003e (\u003cstrong\u003e1442-DR-5850\u003c\/strong\u003e Eddy Current Driver) provides direct physical\/electrical execution. It modulates high-frequency RF excitation signals across 1442 series proximity probes, converting target gap distance changes into proportional negative DC voltage outputs for rotor dynamic evaluation.\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\u003e1442-DR-5850\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eDriver Mass: Approx. 200 g (7.0 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact DIN-Rail \/ Mounting Plate Driver Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard Industrial Temperature Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e-15 mA maximum current draw (with 10 kohm load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e-24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration Target\u003c\/td\u003e\n\u003ctd\u003eAISI 4140 (JIS SCM440) steel flat surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Voltage\u003c\/td\u003e\n\u003ctd\u003e-23 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbnormal Output Voltage\u003c\/td\u003e\n\u003ctd\u003e-0.6 VDC (Indicates probe or sensor OPEN \/ SHORT condition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Noise\u003c\/td\u003e\n\u003ctd\u003e20 mV peak-to-peak + power supply noise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Isolation\u003c\/td\u003e\n\u003ctd\u003e50 V continuous (Basic Insulation Type, terminals to mounting plate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 100 Mohm @ 500 VDC between terminals and mounting plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Cable Length\u003c\/td\u003e\n\u003ctd\u003e5 m or 9 m (16.40 ft or 29.53 ft) nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Wire Size\u003c\/td\u003e\n\u003ctd\u003e0.75 to 1.25 mm2 (18 to 16 AWG) shielded stranded-copper wire\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 Rotor Dynamics\u003c\/h3\u003e\n\u003cp\u003eInterfacing seamlessly with Allen-Bradley machinery monitoring platforms, the driver conditions raw eddy-current probe signals to track critical rotor dynamics and shaft displacement. Gap voltage validation (-10 VDC targets) allows technicians to verify correct mechanical probe standoff before system commissioning. Internal cross-talk suppression and high-frequency noise filtering prevent signal degradation, ensuring backplane bus communication velocity and dynamic data transfer remain stable across 1442 series protective monitoring modules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 1442-DR-5850 indicate a damaged or disconnected eddy-current probe?\u003c\/p\u003e\n\u003cp\u003eA: The driver shifts its output signal to an abnormal voltage level of -0.6 VDC whenever an open circuit or short circuit condition is detected in the connected probe or extension cable.\u003c\/p\u003e\n\u003cp\u003eQ: What are the insulation testing limits for the driver terminals to the mounting plate?\u003c\/p\u003e\n\u003cp\u003eA: The driver provides basic insulation rated at 50 V continuous, type tested at 500 VAC for 60 seconds, with an insulation resistance of \u0026gt;= 100 Mohm at 500 VDC between terminals and the mounting plate.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the 1442-DR-5850 driver securely onto a grounded DIN rail or subpanel mounting plate inside the protection cabinet.\u003c\/li\u003e\n\u003cli\u003eConnect field power wiring to the spring lock terminal block using 0.75 to 1.25 mm2 (18 to 16 AWG) shielded stranded-copper wire rated at 90 deg C or higher.\u003c\/li\u003e\n\u003cli\u003eAttach the 5 m or 9 m nominal proximity probe extension cable to the driver connector, ensuring the cable shield is grounded according to single-point grounding rules.\u003c\/li\u003e\n\u003cli\u003eSet mechanical probe tip clearance to achieve a baseline gap voltage validation target (typically -10 VDC) using AISI 4140 steel as the calibration reference surface.\u003c\/li\u003e\n\u003cli\u003eVerify that all signal wiring is routed separately from high-voltage motor feeds and variable frequency drive output cables to prevent electromagnetic noise coupling.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52693118681368,"sku":"1442-DR-5850","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/1442-DR-5850.png?v=1789612039","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-1442-dr-5850-eddy-current-driver","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}