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Pepperl + Fuchs
KFD0-SD2-EX2.1245
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | KFD0-SD2-EX2.1245 |
| Manufacturer | Pepperl + Fuchs |
| Type | Solenoid Driver |
| Channels | 2-channel isolated barrier |
| Supply Voltage | 24 V DC supply (loop powered) |
| Current Limit | 45 mA at 12 V DC |
| Safety Integrity Level (SIL) | Up to SIL 3 according to IEC/EN 61508 |
| Input Connection | Terminals 7, 8; 8, 9 |
| Input Rated Voltage | 20 ... 35 V DC |
| Output Connection | Terminals 1+, 2-; 4+, 5- |
| Internal Resistor | ≤ 238 Ω |
| Output Current | ≤ 45 mA |
| Output Voltage | ≥ 12 V |
| Open Loop Voltage | ≥ 22.7 V |
| Energised/De-energised Delay | Single operation: typ. 1.7 ms/50 µs; Periodical: typ. 5 µs/50 µs |
| Indicators | LEDs |
| Degree of Protection | IP20 |
| Ambient Temperature Range | -20 ... 60 °C (-4 ... 140 °F) |
| Mounting | On 35 mm DIN mounting rail according to EN 60715:2001 |
| Hazardous Area Certification | ATEX, IECEx |
| Zone Classification | Suitable for Zone 0, 1, 2; Division 1, 2 |
| Housing Type | B1 |
| Dimensions | 20 x 107 x 115 mm (0.8 x 4.2 x 4.5 in) |
The Pepperl + Fuchs KFD0-SD2-EX2.1245 is a high-performance programmable logic controller module designed to facilitate safe and efficient operation in hazardous areas. This 2-channel isolated barrier is loop powered and offers a current limit of 45 mA at 12 V DC, making it suitable for powering solenoids, LEDs, and audible alarms within explosive environments.
Engineered for intrinsic safety applications, the KFD0-SD2-EX2.1245 ensures that the energy available at the output is derived from the input signal, with the output signal exhibiting a resistive characteristic. This means that both the output voltage and current are dependent on the load and the input voltage, providing flexibility and adaptability to a range of industrial scenarios.
The module is rated for use in temperatures ranging from -20 to 60°C, making it robust for challenging industrial environments. It also boasts a compact design with dimensions of 20 x 107 x 115 mm, allowing for easy installation on a standard 35 mm DIN mounting rail.
With certifications for ATEX, IECEx, FM, and UL, the KFD0-SD2-EX2.1245 meets stringent international safety standards. Its design ensures safe electrical isolation between input and output, with a rated insulation voltage that provides additional safety and reliability.
The device's front panel is equipped with LED indicators for quick diagnostic and status checks, and it offers a dedicated space for labelling, ensuring ease of identification and maintenance. The KFD0-SD2-EX2.1245 is an essential component for engineers looking to implement reliable control solutions in areas where safety and precision are paramount.
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Frequently Asked Questions
What is the function of this solenoid driver?
The solenoid driver is an isolated barrier used for intrinsic safety applications. It provides power to solenoids, LEDs, and audible alarms located in hazardous areas. It is loop powered and has a resistive output characteristic, meaning the output voltage and current depend on the load and input voltage.
Can this device be used in safety-related applications?
Yes, the solenoid driver is suitable for use in safety-related applications and is capable of up to SIL 3 according to IEC/EN 61508, ensuring high reliability and safety integrity.
What are the power supply requirements for this device?
The device requires a 24 V DC supply and is loop powered. It has a power dissipation of less than 1 W per channel at voltages up to 30 V DC.
What are the ambient operating temperature limits for this solenoid driver?
The solenoid driver can operate within an ambient temperature range of -20 to 60 degrees Celsius, making it suitable for a variety of industrial environments.
What type of protection does this solenoid driver offer?
The device offers reinforced insulation for input/output according to IEC/EN 61010-1 with a rated insulation voltage of 300 V effective, and it has a degree of protection of IP20.
How is the solenoid driver mounted?
The solenoid driver is designed for mounting on a 35 mm DIN mounting rail according to EN 60715:2001, which is a standard mounting method for industrial control equipment.
What certifications does this solenoid driver hold?
The device holds several international certifications, including ATEX, IECEx, and UL approvals, ensuring compliance with global standards for safety and performance in hazardous areas.
What is the maximum safe voltage for the input of this device?
The maximum safe voltage for the input of the device is 250 V, but it's important to note that the rated voltage may be lower, so always refer to the specific device documentation for detailed information.
How are faults indicated on this device?
Faults are indicated by LEDs on the device, providing a clear and immediate visual indication of any operational issues.
What is the maximum output current and voltage provided to the hazardous area?
At full load, the device provides 12 V at 45 mA to the hazardous area application, ensuring sufficient power for connected devices.
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