SIGNAL CONDITIONERS

Function & Purpose

The KFU8-FSSP-1.D is an industrial signal converter designed to measure, display, and convert periodic signals (frequency or rotational speed) into proportional analog voltage/current outputs or scaled digital pulse outputs. It is widely used for monitoring rotating machinery, processing encoder signals, and integrating frequency-based measurements into process control systems.

• Frequency limit: Up to 40 kHz
   
• Analog outputs: Selectable
   
  • Voltage: 0–10 V, 2–10 V
     
  • Current: 0–20 mA, 4–20 mA
     
• Pulse output: Adjustable division factor (1–9999) for frequency scaling
   
• Input compatibility:
   
  • 2-, 3-, 4-wire proximity switches
     
  • NAMUR sensors (DIN EN 60947-5-6)
     
  • Incremental rotary encoders
     
• Auxiliary sensor power: 19–28 V DC, short-circuit protected
   
• Display: 4-digit 7-segment LED (Hz or RPM, V or mA)
   
• Update rate: Adjustable from 0.001 to 2.5 s
   
• Galvanic isolation between input, output, and supply
   

• Uses cycle (period) measurement for high accuracy
   
• Internal microcontroller calculates frequency or speed and generates proportional analog output via DAC
   
• Special mode for rotational speed measurement with configurable pulses-per-revolution (1–1200) to display true RPM
   
• Configurable measurement range final value for scaling analog output
   
• Supports both frequency (Hz) and speed (min⁻¹) display modes
   

• Supply voltage options: 100–130 V AC, 200–230 V AC, or 20–30 V DC
   
• Power consumption: < 5 VA (AC), < 5 W (DC)
   
• Input frequency range: ≤ 40 kHz (min. pulse width ≥ 12 µs)
   
• Accuracy: ≤ 0.2% of full-scale
   
• Response time: 5 ms processing interval
   
• Ambient temperature: –25 °C to +40 °C
   
• Protection class: IP20, for indoor use
   
• Mounting: DIN rail or screw fixing, modular housing
   

• Speed monitoring of motors, fans, pumps, conveyors
   
• Encoder signal conditioning for PLCs and control systems
   
• Pulse frequency scaling for downstream equipment
   
• Industrial automation & process control requiring analog representation of frequency or RPM
   
• Retrofitting older systems with modern analog input capability 

Enhancing Temperature Measurement – Smarter, Safer, and More Versatile 🛡️🌡️

In industrial automation, accurate temperature measurement isn’t just about numbers—it’s about safety, reliability, and adaptability.
Here’s a powerful solution that checks all the boxes:

🟩 1-channel universal temperature signal conditioner for RTDs, thermocouples, potentiometers, and low-voltage signals.
🟩 Galvanic isolation between field and control circuits for enhanced safety.
🟩 Output: Configurable 0–20 mA or 4–20 mA, in source or sink mode.
🟩 Input range compatibility:
  🟩 RTDs (Pt, Cu, Ni types, 2/3/4-wire)
  🟩 Thermocouples (IEC, DIN, GOST standards)
  🟩 Potentiometers (0–20 kΩ)
  🟩 Voltage signals (±100 mV)
🟩 Fault monitoring: Sensor breakage, short circuit, and line fault detection (LFD).
🟩 Safety compliance: Up to SIL 2 (IEC/EN 61508 / IEC/EN 61511).
🟩 Configuration via PACTware with programming socket interface.
🟩 Accuracy:
  🟩 Pt100: ±0.06% of reading + 0.1% span + 0.1 K
  🟩 Thermocouple: ±0.05% of reading + 0.1% span + 1 K (1.2 K for R/S types)
  🟩 Voltage: ±50 µV + 0.1% span
🟩 Reaction time: ≤ 1.1 s depending on sensor type and configuration.
🟩 Operating temperature range: –20 to +60 °C.
🟩 Power supply: 20–30 V DC via terminals or Power Rail, ≤0.98 W consumption.
🟩 Mechanical: Compact DIN rail mount, IP20 protection, approx. 130 g weight.
🟩 LED indicators: Green (power) and red (fault).
🟩 NAMUR NE43 fault signal compliance for upscale/downscale output.

Why it matters:
This solution bridges the gap between field devices and control systems, ensuring temperature signals are transmitted accurately, safely, and in a form your system understands—every time.

#ProcessAutomation #TemperatureMeasurement #Instrumentation #IndustrialSafety #ProcessControl #AutomationEngineering 

🔹 Product Type: SMART Transmitter Power Supply – Isolated Barrier

⚡ Power & Supply

• 🔌 24 V DC supply via Power Rail or terminals (14+, 15−)
   
• 🔋 Power consumption: 1.8 W | Dissipation: 1.4 W
   
• 🔒 Maximum safe voltage: 250 V
   

📡 Input Features

• 🎛️ Supports 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
   
• 📥 Input signal: 0/4 … 20 mA
   
• 🔧 Voltage drop ≤ 2.4 V at 20 mA
   
• 📏 Input resistance: ≤ 64 Ω / ≤ 500 Ω depending on terminals
   
• ⚙️ Integrated 250 Ω HART resistance for communication
   

📤 Output Features

• 📥 Output signal: 0/4 … 20 mA (overload > 25 mA)
   
• 📏 Load capacity: 0 … 800 Ω at 20 mA
   
• 🔄 Bi-directional transfer of digital signals (HART, BRAIN, Foxboro protocols)
   

🛡️ Safety & Isolation

• 🟢 Up to SIL 2 (IEC/EN 61508)
   
• ⚡ Safe electrical isolation (375 V peak) between input/output and power supply
   
• 🔒 Certified for intrinsically safe applications (ATEX, IECEx, UL approvals)
   

🌡️ Environmental & Mechanical

• 🌍 Operating temp: -20 … +60 °C
   
• 🏠 Protection: IP20
   
• ⚖️ Weight: approx. 200 g
   
• 📐 Dimensions: 20 × 124 × 115 mm (W × H × D)
   
• 🛠️ DIN rail mounting (EN 60715)
   

🔧 Extras & Accessories

• 🧩 Compatible with Pepperl+Fuchs UPR-03 Universal Power Rail
   
• 🧲 Terminal blocks with integrated test points for easy diagnostics
   
• 🟢 LED indicator for power supply status