steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 weeks ago
KFD2-STC1-EX1
Pepperl + Fuchs KFD2-STC1-EX1 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Pepperl + Fuchs KFD2-STC1-EX1 is a high-quality transmitter power supply designed to facilitate the safe and efficient operation of SMART transmitters within hazardous areas. This single-channel unit is engineered to provide a stable 24 V DC nominal supply voltage and is capable of supporting SMART communication protocols up to 12 kHz (-1 dB), ensuring compatibility with a wide range of industry-standard devices.
Constructed with intrinsic safety in mind, the KFD2-STC1-EX1 features an input signal range of 4 to 20 mA, making it suitable for a variety of process control applications. The device is adept at transferring measurement currents from the hazardous area to the safe area without compromising the integrity of the signal.
The power supply is designed to work within an ambient temperature range of -20 to 60 °C, catering to diverse environmental conditions. It also boasts a compact form factor with a mass of approximately 150 g and a protection degree of IP20, ensuring it can be easily integrated into existing systems.
With its robust electrical isolation and compliance with relevant EMC standards, the KFD2-STC1-EX1 is a reliable choice for industries requiring precise control and monitoring of processes in potentially explosive environments. Its compatibility with various SMART systems from leading manufacturers further underscores its versatility in industrial applications.
Constructed with intrinsic safety in mind, the KFD2-STC1-EX1 features an input signal range of 4 to 20 mA, making it suitable for a variety of process control applications. The device is adept at transferring measurement currents from the hazardous area to the safe area without compromising the integrity of the signal.
The power supply is designed to work within an ambient temperature range of -20 to 60 °C, catering to diverse environmental conditions. It also boasts a compact form factor with a mass of approximately 150 g and a protection degree of IP20, ensuring it can be easily integrated into existing systems.
With its robust electrical isolation and compliance with relevant EMC standards, the KFD2-STC1-EX1 is a reliable choice for industries requiring precise control and monitoring of processes in potentially explosive environments. Its compatibility with various SMART systems from leading manufacturers further underscores its versatility in industrial applications.
| Specification | Description |
|---|---|
| Part Number | KFD2-STC1-EX1 |
| Manufacturer | Pepperl + Fuchs |
| Type | SMART Transmitter Power Supply |
| Supply Connection | Power Rail or terminals 7+, 8- |
| Rated Operational Voltage | 20 ... 35 V DC |
| Power Consumption | ≤ 1.2 W |
| Input Connection | Terminals 1+, 3- |
| Input Signal | 4 ... 20 mA |
| Output Connection | Terminals 8-, 9+, 10-, 11+ |
| Output Signal | 4 ... 20 mA, max. load 500 Ohm, with HART ≥ 230 Ohm |
| Ripple | ≤ 75 µA ss |
| Transfer Characteristics | Deviation ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage |
| Temperature Influence | ≤ 20 p.p.m / K |
| Frequency Range | Hazardous area to safe area: 0 ... 12 kHz (-1 dB); 0 ... 30 kHz (-6 dB) |
| Rise Time | 40 µs |
| De-energised Delay | 40 µs |
| Galvanic Isolation | Input/Output safe galvanic isolation according to EN 50020 |
| Ambient Temperature | -20 ... 60 °C (253 ... 333 K) |
| Protection Degree | IP20 |
| Mass | Approx. 150 g |
| EC-Type Examination Certificate | BAS 00 ATEX 7127 |
| Group, Category, Type of Protection | [EEx ia] IIC (Tamb = 60 °C) |
| External Capacitance | 1.016 µF (KFD2-STC1-Ex1) |
| External Inductance | 33.6 mH (KFD2-STC1-Ex1) |
| Safety Maximum Voltage | Um 250 V (Attention! The rated voltage can be lower) |
What is the function of this transmitter power supply?
The transmitter power supply is designed to provide power to SMART transmitters in hazardous areas and to transfer the 4 mA to 20 mA analogue signal values to the safe area output terminals.
Can this device be used with HART communication protocol?
Yes, the KFD2-STC1-EX1 is capable of handling HART communication signals superimposed on the 4-20 mA signal, allowing for bidirectional digital communication in conjunction with the analogue signal.
What are the input and output signal ranges for this device?
The input signal range for this device is 4 to 20 mA, which is a standard for many process control instruments. The output signal is also 4 to 20 mA, suitable for driving control systems in the safe area.
What type of electrical isolation does this device provide?
The device provides safe electrical isolation according to EN 50020 between the input and output, and between the input and power supply, with a voltage peak value of 375 V.
What is the ambient temperature range in which this device can operate?
The device is designed to operate within an ambient temperature range of -20 to 60 °C, making it suitable for a variety of industrial environments.
What type of hazardous area protection does this device offer?
The device offers [EEx ia] IIC protection, which means it is suitable for use in areas where an explosive atmosphere is likely to occur and provides intrinsic safety for circuits in these environments.
What are the power supply requirements for this device?
The device requires a rated operational voltage of 20 to 35 V DC, with a power consumption of less than or equal to 1.2 W.
What is the maximum load that can be connected to the output?
The maximum load that can be connected to the output is 500 Ohm for the 4-20 mA signal. If HART communication is used, the minimum load resistance should be 230 Ohm.
How is the device mounted for use?
The device is designed for mounting on a 35 mm DIN rail, which is a standard mounting practice in industrial control equipment.
Does this device have any certifications?
Yes, the device has certifications including an EC-Type Examination Certificate and complies with various standards such as EN 50081-2 and EN 50082-2 for electromagnetic compatibility.
- Supplying power to SMART transmitters in hazardous areas
- Transferring 4-20 mA signal from SMART transmitters to control systems
- Facilitating bidirectional communication for HART protocol devices
- Isolating and converting signals in process automation systems
- Providing intrinsically safe power for field devices in explosive environments
- Integrating with various SMART systems from manufacturers like ABB, Endress+Hauser, and Siemens
- Use in chemical and petrochemical industries for process monitoring
- Application in oil and gas production for data transmission from field instruments
- Utilisation in pharmaceutical manufacturing for precise control of environmental conditions
- Deployment in wastewater treatment facilities for monitoring and control of treatment processes
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
2 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
2 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
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