Pepperl+Fuchs KFD2-WAC2-Ex1.D Strain Gauge Converter (231221)

The Pepperl Fuchs KFD2 WAC2 Ex1 D is a 1-channel isolated barrier and strain gauge signal converter designed for use with load cells, strain gauges, and resistance bridge sensors in hazardous environments. Offering high-resolution analog output (±20 mA or ±10 V), RS-485 communication, and two configurable relay alarms, this SIL 2-certified device is ideal for force, tension, or weight measurement in industrial automation and process control.

Technical Specifications

Model: KFD2-WAC2-Ex1.D
Device Type: Strain Gauge Converter (Isolated Barrier)
Input Types: Full-bridge or half-bridge strain gauges (116 Ω to 10 kΩ)
Excitation Voltage: 1–5 V (supports devices requiring up to 10 V)
Input Signal Range: ±100 mV
Output Current: ±20 mA or 4–20 mA (terminals 7/8)
Output Voltage: 0 to ±10 V (terminals 7/9)
Relay Outputs: 2 contact outputs (trip configurable)
RS-485 Interface: Yes (Power Rail or terminals 19/20/21)
Supply Voltage: 20–35 V DC (via Power Rail or terminals 23/24)

Functional Features

• Alarm Functions: High/low trip point configuration with programmable tare (0–500%)
• Resolution: 20-bit digital conversion for RS-485 transmission
• Relay Contact Rating: 253 V AC / 2 A or 40 V DC / 2 A resistive
• Response Time: 300–850 ms
• Accuracy: ≤ ±0.05% including non-linearity and hysteresis

Mechanical & Mounting

• Mounting: 35 mm DIN rail (EN 60715)
• Dimensions: 40 × 119 × 115 mm (W × H × D)
• Weight: Approx. 250 g
• Housing Type: C2, IP20 protection

Compliance & Safety

• SIL Certification: SIL 2 (IEC/EN 61508 / 61511)
• ATEX Marking: II (1)G [Ex ia Ga] IIC / II (1)D [Ex ia Da] IIIC / I (M1) [Ex ia Ma] I
• IECEx Certificate: IECEx TUN 06.0005
• UL & FM Approved: Yes (E223772 / 116-0302)
• Galvanic Isolation: Reinforced insulation between all circuits (300 Veff)

Key Features & Benefits

✅ Bridge Sensor Support: Handles full- or half-bridge strain gauges, load cells, and tension sensors.

✅ High-Precision Output: ±20 mA or ±10 V with low temperature drift and high resolution.

✅ Built-in Alarms: Two relay contacts with programmable trip thresholds and tare.

✅ RS-485 Ready: Network up to 31 units for high-speed digital transmission.

✅ SIL 2 Certified: Safe for use in hazardous zone applications and safety circuits.

📦 Order the Pepperl+Fuchs KFD2-WAC2-Ex1.D Today from Drive Outlet Megastore

Get reliable, high-resolution analog and digital signal transmission from strain gauge sensors with the Pepperl+Fuchs KFD2-WAC2-Ex1.D. Built for precision and safety in hazardous zones.

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