W.E. Anderson 185 Series Installation And Operating Instructions Manual
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Series 185/285 Smart PositionersSpecifications - Installation and Operating InstructionsBulletin V-185/285TMDWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.comP.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.comSPECIFICATIONSInput Signal: 4 to 20 mA DC.Input Impedance: 460 Ω max @ 20 mA DC.Enclosure: Aluminum, SS.Air Supply: 35 to 116 psi (3.5 to 9 bar).Air Connection: 1/4˝ NPT.Gage Connection: 1/8˝ NPT.Conduit Connection: 1/2˝ NPT.Linearity: ±0.5% FS.Hysteresis: ±0.5% FS.Sensitivity: ±0.2% FS.Repeatability: ±0.3% FS.Air Consumption: .0004 scfm (.01 LPM) at 20 psig (1.4 bar) supply.Flow Capacity: 2.1 scfm (60 LPM) at 20 psig (1.4 bar) supply.Stroke: 185: 0.5 to 6 in (10 to 150 mm); 285: 0 to 90°.Enclosure Rating: NEMA 4X (IP66).Temperature: Operating: -22 to 185°F (-30 to 85°C).Weight: 185: 3.3 lb (1.5 kg); 285: 6.4lb (2.9 kg).Lever: 185: .39 to 1.57 in (10 to 40 mm); 285: NAMUR.The Series 185 and 285 Smart Positioners control valve movements accuratelyusing an input signal of 4 to 20 mA from the controller. In addition, a highly efficientmicroprocessing operator built into the product performs various functions such asauto calibration, PID control, alarm and Hart® protocol.Features• LCD allows the user to directly check the positioner condition in the field.• Endures severe vibration.• Operates normally regardless of changes in supply pressure during operation.• Simple to use auto calibration.• Easily equipped on small actuators because of its small size.• Low air consumption reduces operating cost.• Can be used in low voltage (8.5 V), leaving no limitation in controller.• Variable orifice is applied in case of a small actuator; the hunting is controlledto the optimum condition during operation.• HART® communication processes various information for the valve andpositioner.• Valve system is stabilized by outputting analog feedback signal.• The adjustment of valve characteristics (linear, quick open, equal percentage)is available.• Specific flow control is available with setting 16 points at users’ command.• Tight shut-close and shut-open can be set voluntarily.• PID parameters can easily be adjusted in the field without additionalcommunicator.• The pressure of air filter regulator is sent directly to actuator using A/Mswitch.• Split ranges such as 4 to 20 mA, with 12 to 20 mA available.• Setting zero and span as partial section is available by hand calibrationfunction.• The valve defect is easily checked because the valve can be operatedvoluntarily.• Air filter regulator can be attached to the product with only one linear nipplewithout extra piping.LCD SCREENSMART POSITIONER3-27/32[97.50]3-1/64[76.50]4-7/64[104.20]SUPPLY1/4 NPT2-33/64[64.00]2-11/32[59.60]4-13/32[111.90]STAINLESS STEEL4-31/64[113.8]STANDARDCONDUIT ENTRY1/2 NPT8-31/64[215.70]DOUBLEACTION SINGLEACTION3-47/64[95.00]Series 185Series 285HART® is a registered trademark of Hart Communication Foundation |
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