Pepperl+Fuchs Intrinsic Safety Barriers

• 1-channel isolated barrier
• 24 V DC supply (loop powered)
• Current limit 65 mA at 9.8 V DC
• Up to SIL 3 acc. to IEC 61508

• 2-channel isolated barrier
• 24 V DC supply (loop powered)
• Current limit 45 mA at 10 V DC
• Up to SIL 3 acc. to IEC 61508

• 2-channel isolated barrier
• 24 V DC supply (loop powered)
• Current limit 45 mA at 12 V DC
• Up to SIL 3 acc. to IEC 61508

• 1-channel signal conditioner
• 24 V DC supply (loop powered)
• 2- or 3-wire Pt100 RTD input
• Output 4 mA ... 20 mA, temperature linearization selectable
• DIP switch selectable ranges
• Sensor breakage detection

• 1-channel isolated barrier
• 24 V DC supply (loop powered)
• 2- or 3-wire Pt100 RTD input
• Output 4 mA ... 20 mA, temperature linearization selectable
• DIP switch selectable ranges
• Sensor breakage detection

• 1-channel signal conditioner
• 24 V DC supply (loop powered)
• Thermocouple input
• Output 4 mA ... 20 mA
• Internal cold junction compensation
• Sensor breakage detection
• DIP switch selectable ranges

• 1-channel isolated barrier
• 24 V DC supply (loop powered)
• Thermocouple input
• Output 4 mA ... 20 mA
• Internal cold junction compensation
• Sensor breakage detection
• DIP switch selectable ranges

p&f kfd2

• Installation: KFD2 barriers can be mounted on a DIN rail or on a wall.
• Operating temperature range: -20 °C to +60 °C
• Humidity: 95% at 40 °C
• Vibration resistance: 0.3 g RMS
• Noise: <60 dBA

pepperl fuchs kfd2 sr2

• Mechanical protection: IP67
• Thermal protection: overheating protection
• Electromagnetic compatibility: meets EMC requirements
• Signal transmission rate: up to 10 Hz.
• Resource: up to 10 billion switching operations.

• 1-channel signal conditioner
• 24 V DC supply (Power Rail)
• Current input 0 mA ... 20 mA
• Current output 0 mA ... 20 mA
• Accuracy 0.1 %
• Up to SIL 2 acc. to IEC 61508

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Current input 0 mA ... 20 mA
• Current output 0 mA ... 20 mA
• Accuracy 0.1 %
• Up to SIL 2 acc. to IEC 61508

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Current input 4 mA ... 20 mA
• Voltage output 0 V ... 10 V
• Accuracy 0.1 %
• Up to SIL 2 acc. to IEC 61508

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Voltage input 0 V ... 10 V
• Current output 4 mA ... 20 mA
• Accuracy 0.1 %

• 1-channel signal conditioner
• 24 V DC supply (Power Rail)
• Input 2-wire and 3-wire transmitters and 2-wire current sources
• Output 0/4 mA ... 20 mA
• Accuracy 0.1 %
• Up to SIL 2 acc. to IEC 61508

• 1-channel signal conditioner
• 24 V DC supply (Power Rail)
• Input 2-wire and 3-wire transmitters and 2-wire current sources
• Signal splitter (1 input and 2 outputs)
• Dual output 0/4 mA ... 20 mA
• Accuracy 0.1 %
• Up to SIL3 acc. to IEC 61508

• 1-channel signal conditioner
• 24 V DC supply (Power Rail)
• Input 2-wire and 3-wire transmitters and 2-wire current sources
• Output 0/4 mA ... 20 mA
• 2 relay contact outputs
• Adjustable energized/de-energized delay
• Programmable high/low alarm
• Linearization function (max 20 points)
• Line fault detection (LFD)
• Up to SIL 2 acc. to IEC 61508/IEC 61511

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Dry contact or NAMUR inputs
• Relay contact and transistor output
• Adjustable output timer functions from 10 ms ... 60 min
• Input frequency up to 80 Hz- pulse divider up to 1 kHz
• Reset function
• Configurable by keypad
• Line fault detection (LFD)

• 1-channel signal conditioner
• 24 V DC supply (Power Rail)
• Dry contact or NAMUR inputs
• Input frequency 1 mHz ... 12 kHz
• 2 relay contact outputs
• Start-up override
• Configurable by keypad
• Line fault detection (LFD)
• Up to SIL 2 acc. to IEC 61508/IEC 61511

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Dry contact or NAMUR inputs
• Input frequency 1 mHz ... 5 kHz
• 2 relay contact outputs
• Start-up override
• Configurable by keypad
• Line fault detection (LFD)
• Up to SIL 2 acc. to IEC 61508/IEC 61511

• Interface for Power Rail
• Used for redundant configuration
• Supply current le- 4 A
• Replaceable fuse
• Relay contact output, reversible
• LED status indication
• Connection via spring terminals

• Interface for Power Rail
• Supply current le- 4 A
• Replaceable fuse
• Relay contact output, reversible
• LED status indication
• Connection via spring terminals

• 1-channel signal conditioner
• 24 V DC supply (Power Rail)
• Level sensing input
• Adjustable range 1 k&Omega- ... 30 k&Omega-
• Relay contact output
• Minimum/maximum control

• 2-channel signal conditioner
• 24 V DC supply (Power Rail)
• Level sensing input
• Adjustable range 1 k Omega- ... 150 k Omega-
• Relay contact output
• Adjustable time delay up to 10 s
• Minimum/maximum control
• Line fault detection (LFD)

The Product is no longer available!

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• RS 232 input/output

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Thermocouple, RTD, potentiometer or voltage input
• Redundant TC input
• Current output 0/4 mA ... 20 mA
• 2 relay contact outputs
• Configurable by PACTware or keypad
• Line fault (LFD) and sensor burnout detection
• Up to SIL 2 acc. to IEC 61508/IEC 61511

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• HART field device input with transmitter power supply
• Usable as signal splitter (1 input and several outputs)
• 2 relay contact outputs (change-over contacts)
• 3 analog outputs 4 mA ... 20 mA
• Sink and source mode output
• Configurable by keypad

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• HART field device input with transmitter power supply
• Usable as signal splitter (1 input and several outputs)
• 4 relay contact outputs (NO contact)
• 3 analog outputs 4 mA ... 20 mA
• Sink and source mode output
• Configurable by keypad