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  5. Signal Conditioners K-System

Signal Conditioners of the K-System

sigbnal conditioners k-system assembly

The K-system comprises signal conditioners for signal transfer between control system and safe area as well as isolated barriers for communication with field devices in hazardous areas. They are preferred for these kinds of mixed applications.

  • Wide range of isolated barriers and signal conditioners for mixed applications
  • Modules for universal power supply
  • Reduced wiring by Power Rail
  • Removable terminals
  • Many modules with marine approvals and SIL assessment

The K-system provides an extensive variety of different function principles.

Portfolio

switch amplifier k-system

Switch Amplifiers

Switch amplifiers process digital input signals, amplify them, and initiate switching outputs via relays or transistors.

Applications include limit value monitoring, final position feedback, and position detection of moving parts such as valves. Switch amplifiers also enable 1:1 pulse transmission to the output.

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frequency converter k-system

Frequency Converters

Frequency converters convert digital input signals into analog current or voltage signals and evaluate pulse sequences.

These devices are used in applications such as rotation speed, standstill, and slip monitoring as well as volume measurement with oval wheel meters.

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solenoid driver k-system

Solenoid Drivers

Solenoid drivers transmit digital output signals from the control unit to the valve. In contrast to relay modules, they also provide voltage and current.

They control valves, regulate open/close functions, and can control visual or acoustic indicators.

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safety relay k-system

Safety Relays

Safety relays convert digital control signals to digital field signals via a relay in safety applications.

A distinction is made between safe switching on, such as visual or audible alarms, and safe switching off, such as is required to stop the fuel supply in the event of a fire.

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relay module k-system

Relay Modules

Relay modules transmit digital output signals from the control system to the field device via a relay. The voltage is applied externally.

Applications include signal horns, warning lights, applications with active cooling, galvanic isolation of controls during system modernizations, emergency shutdown valves, and motor controls.

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transmitter power supply k-system

Transmitter Power Supplies

Transmitter power supplies transmit analog input signals from transmitters to the controller and supply voltage via the same line. SMART transmitter power supplies modulate a digital data signal to the 4 … 20 mA signal.

Typical areas of application are the measurement of pressure, temperature, or fill level.

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repeater k-system

Repeaters

Repeaters amplify and restore signals without changing the signal itself.

Repeaters ensure greater ranges.

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signal converter k-system

Signal Converters

Signal converters transmit analog input signals to the controller and convert them into standard signals. They amplify and linearize the sensor signal.

Applications include the use of field devices on control systems, especially for small PLCs that cannot process all sensor signals.

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trip amplifier k-system

Trip Amplifiers

Trip amplifiers monitor analog and digital input signals for exceeding or falling below set limit values. Their switching output activates emergency shutdowns or alarms.

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current driver k-system

Current Drivers

Current drivers transmit analog output signals from the control side to the field side, typically a 4 … 20 mA signal.

They control positioners, I/P converters, or field displays, for example.

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signal conditioner K-DUCT

Accessories for K-System Signal Conditioners

For assembling, operation, and installation of Pepperl+Fuchs signal conditioners, there is a variety of accessories available.

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