Technical Specifications:

• Product Series: F3 Series (Fieldbus I/O)
• Model Number: F3DA04-1N
• Number of Channels: 4 channels
• Input Type: DC 4–20mA (2-wire transmitter), with other options available (1–5V, TC, RTD)
• Input Range: 4–20mA DC (2-wire transmitter)
• Resolution: 16-bit A/D conversion
• Accuracy: ±0.1% of span
• Sampling Rate: 100 ms per channel (typical)
• Isolation: Channel-to-channel isolation, 1500V DC
• Power Supply: 24 VDC (bus-powered from FOUNDATION Fieldbus H1)
• Communication: FOUNDATION Fieldbus H1 (31.25 kbps)
• Operating Temperature: -10°C to +70°C
• Dimensions: Approximately 25 × 120 × 115 mm (W×H×D)
• Weight: Approximately 0.3 kg

Functional Features:

• 4-channel analog input with high-resolution 16-bit A/D conversion
• FOUNDATION Fieldbus H1 communication — reduces wiring costs by up to 70%
• Channel-to-channel electrical isolation for noise immunity
• Linearization and scaling performed within the module
• Diagnostics: Open circuit detection, short circuit detection, sensor fault detection per channel
• Hot-swappable (with system configuration support)
• Low power consumption via bus power

Performance Parameters:

• Input Impedance: 250Ω (for 4–20mA input)
• Common Mode Rejection Ratio (CMRR): 120 dB (minimum)
• Normal Mode Rejection Ratio (NMRR): 60 dB (minimum)
• Isolation Voltage: 1500V DC (channel-to-channel, channel-to-bus)
• Power Consumption: 1.5W per module (typical, bus-powered)
• Resolution: 16-bit (65,536 discrete steps)
• Linearity: ±0.1% of span

Material Composition:

• Housing: Flame-retardant polycarbonate (PC) (front), Die-cast aluminum (ADC12) (rear/heat sink)
• Terminal Block: Phosphor bronze with gold plating
• Connector: Standard FOUNDATION Fieldbus H1 connector (IEC 61158-2)
• PCB: FR-4 glass epoxy with conformal coating

Structural Features:

• DIN-rail mounting (35mm rail) or chassis mounting in I/O cabinet
• Fieldbus connector on top for daisy-chain connection
• LED indicators per channel for status and diagnostics
• Terminal blocks for field wiring at the bottom
• Compact design for high-density I/O rack installation

Working Principle: The F3DA04-1N receives 4–20mA signals from field transmitters through its terminal blocks. Each channel has an independent A/D converter that digitizes the analog signal with 16-bit resolution. The digital values are transmitted to the DCS controller via the FOUNDATION Fieldbus H1 network using the function block architecture. The module performs linearization, engineering unit conversion, and diagnostic checks internally. The FOUNDATION Fieldbus protocol allows bidirectional communication, enabling remote configuration and diagnostics from the DCS operator station.

Advantage Highlights:

• Reduced wiring — single cable carries power and signal for multiple channels
• High accuracy with 16-bit resolution (±0.1% of span)
• Comprehensive diagnostics for predictive maintenance
• Fieldbus technology enables advanced device management from DCS
• Wide operating temperature range (-10°C to +70°C) for harsh environments
• Yokogawa proven reliability in critical process applications

Applicable Industries:

• Oil & Gas (refining, petrochemical, upstream)
• Chemical Processing
• Power Generation
• Pharmaceutical
• Pulp & Paper
• Water Treatment
• Food & Beverage

Model Series:

• F3AI Series: F3AA01 (1-ch), F3AA02 (2-ch), F3AA04 (4-ch) — Analog Input (4–20mA)
• F3DI Series: Digital Input modules
• F3DO Series: Digital Output modules
• F3AO Series: Analog Output modules
• F3PI Series: Pulse Input modules
• F3TC/RTD Series: Temperature input modules (TC/RTD)

Installation Requirements:

• DIN-rail mounting: EN 60715, 35mm top-hat rail
• Fieldbus topology: Daisy-chain or spur configuration per IEC 61158-2
• Termination resistor: 100Ω ± 1% required at both ends of the bus segment (built-in or external)
• Ambient temperature: -10°C to +70°C
• Relative humidity: 5% to 95% RH (non-condensing)
• Vibration: Conforms to IEC 60068-2-6 (10–55 Hz, 1.5 mm amplitude)
• Clearance: Minimum 50 mm between modules for ventilation
• Shielding: Use shielded cable for fieldbus connections, grounded at one end only

Usage Precautions:

• Verify termination resistors are properly installed on the fieldbus segment
• Do not exceed maximum channel count per segment (typically 32 devices per segment)
• Calibrate using HART communicator or DCS configuration tool (FieldMate)
• Check for firmware updates via Yokogawa service tools (FieldMate, PRM)
• Replace module if diagnostics indicate internal failure
• Maintain proper grounding of the fieldbus shield at one end only