F3AD08-4W

Description

F3AD08-4W is a Yokogawa analog input module designed for current signal measurement with high accuracy and isolation.

Identity

• Part Number: F3AD08-4W

• Type: Analog Input Module

Input Characteristics

• Number of Inputs: 8 differential inputs

• Absolute Maximum Rating: –18 V DC or –25 mA DC min.

• Input Signal Range:

  • 0 to 20 mA DC (–1.0 to 21.0 mA DC)

  • 4 to 20 mA DC (–1.0 to 21.0 mA DC)

• Conversion Cycle: 1 ms × (number of inputs)

• Allowable Common-mode Voltage: ±1 V DC max. (–10 to 10 V DC, 0 to 10 V DC)

• Input Resistance: 250 Ω

Isolation

• Method: Photocoupler isolation

• Scope: Across input terminals and between input and internal circuit

• Withstanding Voltage: 500 V DC for one minute

Accuracy & Resolution

• Maximum Resolution: 5.6 µA (0–20 mA DC or 4–20 mA DC range)

• A/D Conversion: 12-bit

• Overall Accuracy:

  • At 23 ±2 °C: ±0.2% (full scale)

  • At 0–55 °C: ±0.5% (full scale)

Signal Processing

• Scaling: Upper/lower limits adjustable between –30,000 and 30,000

• Offset: Adjustable between –5,000 and 5,000

• Filter: First-order lag or moving average (per channel, enable/disable)

• Hold Data: Records peak and trough values

• Self Diagnosis: Hardware self-check during operation

• Over-range Input Detection: Supported

Power Requirements

• Current Consumption: 210 mA (5 V DC)

Mechanical Characteristics

• External Connection: 18-point terminal block, M3.5 screws

• Dimensions: 28.9 (W) × 100 (H) × 106.1 (D) mm

• Weight: 200 g

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