KCD2-SCD-1信号隔离器
• 1-channel signal conditioner
• 24 V DC supply (Power Rail)
• Current output up to 650 Ω load
• HART I/P and valve positioner
• Lead breakage monitoring
• Accuracy 0.1 %
• Housing width 12.5 mm
• Up to SIL 2 acc. to IEC 61508
Function
This signal conditioner drives SMART I/P converters,
electrical valves, and positioners and provides isolation for
non-intrinsically safe applications.
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 250 Ω between terminals 6 and 8 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.
常备型号：
KCD2-STC-EX1，KCD0-SD-EX1.1245，KCD2-SCD-EX1，KCD2-SR-EX1.LB，KCD2-SR-EX2
KCD2-UT2-EX1，KCD2-STC-1，KCD2-SR-1.LB，KCD2-SCD-1
KFD2-STC4-EX1,KFD2-STC4-EX1.2O,KFD2-STC4-EX2,KFD2-STC4-1.2O
KFD2-SR2-EX1.W,KFD2-SR2-EX2.W,KFD2-SR2-EX1.W.LB
KFD2-SCD2-EX1.LK,KFD2-SCD-EX2.LK,KFD2-SL2-EX2
KFD2-UT2-EX1,KFD2-UT2-EX2
KFD2-UFC-1.D,KFD2-UFC-EX1.D
KFD2-VR4-EX1.26,KFD2-VR2-EX1.50m,KFD2-VR-EX1.18
KCD2-RR-EX1
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