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Specification & Description
| Specification | Description |
|---|---|
| Part Number | KFD2-SOT-EX2 |
| Manufacturer | Pepperl + Fuchs |
| Signal Type | Digital Input |
| Supply Voltage | 20 ... 35 V DC |
| Rated Current | ≤ 27 mA |
| Input Connection | Terminals 1+, 2+, 3-; 4+, 5+, 6- |
| Open Circuit Voltage | Approx. 8 V DC |
| Short-Circuit Current | Approx. 8 mA |
| Switching Point/Hysteresis | 1.2 ... 2.1 mA / Approx. 0.2 mA |
| Line Fault Detection | Breakage I ≤ 0.1 mA, Short-Circuit I > 6 mA |
| Output Connection | Output I: Terminals 7-, 8+; Output II: Terminals 9-, 10+ |
| Switching Voltage | ≤ 40 V |
| Switching Current | ≤ 100 mA, Short-Circuit Protected |
| Signal Level | 1-signal: Switching voltage - 2.5 V max. at 10 mA or 3 V max. at 100 mA; 0-signal: ≤ 10 µA |
| Output Type | Output I and II: Electronic, Passive |
| Switching Frequency | ≤ 5 kHz |
| Electrical Isolation | Output/Power Supply Functional Insulation acc. to EN 50178, Rated Insulation Voltage 50 Veff AC |
| Ambient Temperature | -20 ... 60 °C (-4 ... 140 °F) |
| Protection Degree | IP20 |
| Dimensions | 20 x 107 x 115 mm (0.8 x 4.2 x 4.5 in), Housing Type B1 |
| Mass | Approx. 150 g |
| EC-Type Examination Certificate | PTB 00 ATEX 2082 |
| Approvals | FM, CSA |
| Features | 2-Channel Isolated Barrier, Line Fault Detection (LFD), Reversible Mode of Operation |
The Pepperl + Fuchs KFD2-SOT-EX2 is a high-performance switch amplifier designed to facilitate the safe and efficient transfer of digital signals from hazardous areas to secure environments. This 2-channel isolated barrier is engineered to operate with a 24 V DC supply via Power Rail, ensuring compatibility with a wide range of industrial power systems.
Equipped with isolated dry contact or NAMUR inputs, the KFD2-SOT-EX2 offers flexibility for various application requirements, including those that necessitate line fault detection (LFD) for enhanced operational integrity. The device boasts isolated passive transistor outputs, which are meticulously designed to handle signals in the safe area load with utmost reliability.
The KFD2-SOT-EX2's inputs are intrinsically safe, and the outputs are isolated from each other, providing an additional layer of protection and system integrity. Users can easily reverse the normal output state using the accessible switches, allowing for customised operation to suit specific process needs.
Featuring a compact and robust design, the KFD2-SOT-EX2 is housed in a space-efficient enclosure that ensures a minimal footprint within control panels or system assemblies. Its removable terminals facilitate straightforward installation and maintenance, while the LED indicators provide clear and immediate status feedback, adhering to NAMUR NE44 recommendations.
This switch amplifier is an essential component for industries that require precise and secure signal transmission, making it an ideal choice for sectors such as chemical processing, oil and gas, pharmaceuticals, and other environments where safety and reliability are paramount.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What type of signals does the KFD2-SOT-EX2 switch amplifier support?
The KFD2-SOT-EX2 switch amplifier is designed to support digital input signals. It can be connected to isolated dry contacts or NAMUR sensors, and it includes line fault detection capabilities.
Can the KFD2-SOT-EX2 be used in hazardous areas?
Yes, the KFD2-SOT-EX2 is suitable for use in hazardous areas. It is designed with intrinsically safe inputs that can be connected to sensors or switches in zones 0, 1, and 2.
How is the KFD2-SOT-EX2 powered?
The KFD2-SOT-EX2 requires a 24 V DC supply, which can be provided through a Power Rail or directly via the terminals 11+ and 12-.
What is the purpose of the line fault detection feature in the KFD2-SOT-EX2?
Line fault detection in the KFD2-SOT-EX2 is used to identify and signal wire breakages or short-circuits in the input circuits, enhancing the reliability and safety of the system.
What are the ambient temperature limits for the KFD2-SOT-EX2?
The KFD2-SOT-EX2 can operate within an ambient temperature range of -20 to 60°C (-4 to 140°F).
Is the output of the KFD2-SOT-EX2 switch amplifier configurable?
Yes, the output state of the KFD2-SOT-EX2 can be reversed using switches S1a and S2a, allowing for flexible configuration according to the needs of the application.
What type of output does the KFD2-SOT-EX2 provide?
The KFD2-SOT-EX2 provides isolated passive transistor outputs for safe area loads. Each channel controls a passive transistor output.
How can I identify the operating status of the KFD2-SOT-EX2?
The operating status of the KFD2-SOT-EX2 can be identified by the LED indicators on the front of the device. Yellow LEDs indicate the transistor output status, green LEDs show power supply status, and red LEDs signal line fault and short-circuit conditions.
What certifications does the KFD2-SOT-EX2 hold?
The KFD2-SOT-EX2 holds several certifications, including EC-Type Examination Certificate and international approvals such as FM and CSA. These certifications ensure compliance with various safety and quality standards.
What are the dimensions and weight of the KFD2-SOT-EX2?
The KFD2-SOT-EX2 has dimensions of 20 x 107 x 115 mm (0.8 x 4.2 x 4.5 in) and weighs approximately 150 g.
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