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Pepperl + Fuchs
KFD2-ST2-EX2
Marvo Stock ID: MV-2BNOUsed
£109.53 (ex. VAT)
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Pepperl + Fuchs
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Specifications
Specification | Description |
---|---|
Part Number | KFD2-ST2-EX2 |
Alternative Part Number | KFD2ST2EX2 |
Manufacturer | Pepperl + Fuchs |
Category | General Automation |
Mounting Type | DIN Rail Mount |
Signal Type | Digital Input |
Supply Voltage | 20 ... 30 V DC |
Ripple | ≤ 10 % |
Rated Current | ≤ 50 mA |
Input Connection | Terminals 1+, 2+, 3-; 4+, 5+, 6- |
Output Connection | Output I: terminals 7+; Output II: terminals 9+ |
Signal Level | 1-signal: (L+) - 3.5 V (100 mA, short-circuit protected), 0-signal: switched off |
Switching Frequency | ≤ 5 kHz |
Electrical Isolation | Reinforced insulation according to IEC 62103, rated insulation voltage 300 Vrms |
Ambient Temperature | -20 ... 60 °C (-4 ... 140 °F) |
Degree of Protection | IP20 |
Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 in), housing type B2 |
Functional Safety | Up to SIL2 according to IEC 61508 |
Certifications | ATEX, IECEx, FM, CSA |
Commodity Code | 853710 |
Weight | Approx. 150 g |
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KFD2-ST2-EX2 Product Description
The Pepperl + Fuchs KFD2-ST2-EX2 is a high-quality switch amplifier designed to facilitate the safe transmission of digital signals from hazardous areas to safe zones. This two-channel isolated barrier is equipped with a 24 V DC supply via Power Rail and is compatible with both dry contact and NAMUR inputs. It boasts an active transistor output and features line fault detection (LFD) to ensure operational integrity.
Crafted to support a reversible mode of operation, the KFD2-ST2-EX2 can adapt to various control requirements, making it a versatile component for a wide range of industrial applications. The unit is also capable of achieving up to SIL2 according to IEC/EN 61508, highlighting its reliability and commitment to functional safety.
The switch amplifier's robust design includes reinforced insulation between input and output as per IEC 62103, with a rated insulation voltage of 300 Vrms, ensuring a high degree of electrical isolation and safety. The device's compact dimensions and DIN rail mounting capability make it easy to install within control panels and equipment racks.
With its meticulous construction and adherence to international standards, the Pepperl + Fuchs KFD2-ST2-EX2 switch amplifier is an essential component for engineers and technicians looking to enhance the safety and efficiency of their automation systems.
Frequently Asked Questions
What is the purpose of the Switch Amplifier?
The Switch Amplifier is designed to transfer digital signals from hazardous areas to safe areas. It can be used with NAMUR sensors or dry contacts to control an active transistor output for safe area loads.
Can this device be used in safety-related applications?
Yes, the Switch Amplifier is suitable for use in safety-related applications and is rated up to SIL 2 according to IEC/EN 61508.
What type of inputs can be connected to the Switch Amplifier?
The device accepts dry contact or NAMUR inputs from sensors, allowing for flexibility in connecting different types of field devices.
Is line fault detection available on this device?
Yes, the Switch Amplifier features Line Fault Detection (LFD) which monitors the control circuit for lead breakage and short circuits, enhancing the reliability of the system.
What are the power supply requirements for the Switch Amplifier?
The device requires a 24 V DC supply, which can be provided through a Power Rail or directly via terminals 14+ and 15-.
How can the mode of operation be changed on the Switch Amplifier?
The mode of operation can be reversed using the onboard DIP switches, allowing users to configure the device according to their specific application needs.
What type of output does the Switch Amplifier provide?
The Switch Amplifier provides an active transistor output that changes state when the input signal changes, offering a reliable means of signal transmission to the safe area.
How is the device mounted for installation?
The Switch Amplifier is designed for mounting on a 35 mm DIN rail, which is a standard mounting practice for industrial equipment.
What is the ambient temperature range for the Switch Amplifier?
The device can operate within an ambient temperature range of -20 to 60 °C, making it suitable for a variety of industrial environments.
Does the Switch Amplifier have any international approvals?
Yes, the device has international approvals including FM, CSA, and IECEx certifications, ensuring compliance with global safety standards.