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Analog Input Module Yokogawa F3AD0B-4W

Analog Input Module Yokogawa F3AD0B-4W

The Yokogawa F3AD0B-4W (F3AD0B-4W) is a high-performance, 8-channel analog-to-digital (A/D) conversion module designed for the FA-M3 "Range-Free" controller platform. It provides high-fidelity acquisition of process variables, ensuring stability in closed-loop...

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Availability: In stock

SKU: F3AD0B-4W
Vendor: Yokogawa
Category: Analog Input Module
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The Yokogawa F3AD0B-4W (F3AD0B-4W) is a high-performance, 8-channel analog-to-digital (A/D) conversion module designed for the FA-M3 "Range-Free" controller platform. It provides high-fidelity acquisition of process variables, ensuring stability in closed-loop control applications requiring rapid data updates.

Hardware Specifications

Parameter Specification
Model F3AD0B-4W
Brand Yokogawa
Origin Japan
Weight 0.18 kg
Channels 8 (non-isolated between channels)
Resolution 16-bit
Sampling Speed 100 µs per channel
Input Ranges -10 to 10 V, 0 to 10 V, 0 to 5 V, 1 to 5 V, 4 to 20 mA
Accuracy ±0.1% of full scale
Power Consumption 150 mA (5 V DC bus)

Functional Capabilities and Isolation

The F3AD0B-4W utilizes a high-speed sampling engine to capture process fluctuations in pressure, flow, and temperature with minimal latency. Each channel is independently configurable for voltage or current inputs, offering versatility for varied sensor arrays. The module features robust galvanic isolation between field-side terminals and internal PLC logic, rated for 500 V AC withstanding voltage. This isolation protects the CPU from ground loops and electrical surges, maintaining the integrity of the 16-bit digital output even in harsh industrial environments.

Frequently Asked Questions

Q: Are the channels individually isolated from each other?

A: No. The 8 channels share a common ground (non-isolated between channels), but the entire group is galvanically isolated from the internal PLC backplane circuitry.

Q: How is current input (4 to 20 mA) configured?

A: Current inputs are processed via mode selection or external shunt resistors, allowing the module to interface directly with industry-standard 4 to 20 mA transmitters.

Field Installation Guidelines

  1. Ensure all field wiring is routed away from high-voltage power lines to minimize induced electromagnetic interference (EMI).
  2. Use shielded twisted-pair cabling for analog signal runs to maintain the 16-bit signal accuracy.
  3. Verify that the terminal block is securely fastened with M3 screws, ensuring a clean electrical connection to the module.
  4. If using current inputs, confirm that external shunt resistors are rated correctly for the loop current to prevent measurement drift.
  5. Ground the cable shields at a single point to prevent ground loops, adhering to standard instrumentation best practices.