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COMMUNICATION INTERFACE SPECIFICATIONS CONSTRUCTION AND INSTALLATION ProtocolComputer link or ladder communication StandardsEIA RS485 Max.# of units31 Max.distance3,900 feet SchemeTwo-wire half duplex or four-wirehalf-duplex, start-stop synchronization, non-proceduralSpeed600, 1200, 2400, 4800, 9600 bps ENVIRONMENTAL SPECIFICATIONS CaseABS resin and polycarbonate,blackFront panelDrip proof (IP65 compatible)NEMA 4XWeightApproximately 1.54 lb. MountingFlush panel mounting Mounting attitudeUp to 30°above the horizontal.No downward tilting allowed Normal operating conditions Ambient32 to 122°F, operating Temperature-13 to 158°F storage Humidity20 to 90% RH, operating (noncondensing)5 to 95% RH, storage Magnetic field400 AT/m or less AGENCY APPROVALS UL recognizedFILE #E155520(M) CSA certifiedFILE #074868 CE CompliantDesigned to comply with EN55011,Class A Group 1 (Emission) and EN50082-2, 1995 (Immunity) specifications.

Fenwal Temperature Controls - 21691 Click to view/purchase products online at Gaume r www.gaumer.com 800.460.5200 713.460.5200