KFD2-SCD2-Ex1-Y1 SMART Current Driver
●Function
■This isolated barrier is used for intrinsic safety applications. It drives SMART I/P converters, electrical valves, and positioners in hazardous areas.
■Digital signals are superimposed on the analog values at the field or control side and are transferred bi-directionally.
■Current transferred across the DC/DC converter is repeated at terminals 1 and 2.
■An open field circuit presents a high input impedance to the control side to allow lead breakage monitoring by control system.
■If the loop resistance for the digital communication is too low, an internal resistor of 250Ω between terminals 8 and 9 is available, which may be used as the HART communication resistor.
■Sockets for the connection of a HART communicator are integrated into the terminals of the device.
■A unique collective error messaging feature is available when used with the Power Rail system.
●Features
■1-channel isolated barrier
■24 V DC supply (Power Rail)
■Current output up to 700Ω load
■HART I/P and valve positioner
■Lead breakage monitoring
■Accuracy 0.05 %
■Terminal blocks with test sockets
■Up to SIL 2 acc. to IEC 61508
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KFD2-SCD2-Ex1-Y1 、 KFD2-EB2 、 UPR-03 、 K-DUCT |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017-08-09 |
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219991 |
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496 KB |
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