Pepperl+Fuchs KCD2-SR-Ex1.LB Switch Amplifier and KFD2-SCD-Ex1.LK SMART Current Driver, 1-channel isolated barrier, 24 V DC supply (Power Rail). This isolated barrier is used for intrinsic safety applications. Up to SIL 2 acc. to IEC/EN 61508.
Pepperl+Fuchs Switch Amplifier KCD2-SR-Ex1.LB
The device transfers digital signals from NAMUR sensors or dry contacts from the hazardous area to the non-hazardous area.
The proximity sensor or the mechanical contact controls the control side load for a relay contact output. The device output changes the state when the input signal changes the state.
Via switches the mode of operation can be reversed and the line fault detection can be switched off.
During a fault condition, the relay reverts to its de-energized state and the LEDs indicate the fault according to NAMUR NE 44.
If the device is operated via Power Rail, additionally a collective error message is available.
Due to its compact housing design and low heat dissipation, this device is useful for detecting positions, end stops, and switching states in spacecritical applications.
Pepperl+Fuchs SMART Current Driver KFD2-SCD-Ex1.LK
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 and shorted field circuit presents a high input impedance to the control side to allow line fault detection by control system.
If the loop resistance for the digital communication is too low, an internal resistor of 250 Ω 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.
New arrival Pepperl+Fuchs KCD2-SR-Ex1.LB Switch Amplifier and KFD2-SCD-Ex1.LK SMART Current Driver
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