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F3BU09-ON

The Yokogawa F3BU09-0N is a FOUNDATION Fieldbus (FF) Power Conditioner (PCD), commonly referred to as a "Terminator" or "Barrier". It is a critical component in a FOUNDATION Fieldbus H1 network infrastructure, designed to be installed inside a Fieldbus Power Supply or a related system cabinet.

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(Technical Parameters / Specifications)
Category Parameter Specification
General Model F3BU09-0N
Type FOUNDATION Fieldbus (FF H1) Power Conditioner / Terminator
Compatibility FOUNDATION Fieldbus H1 (31.25 kbit/s)
Electrical - Power Input Voltage (from Power Supply) 9 to 32 V DC (Nominal 24 V DC)
Output Voltage (to Fieldbus) Matches input voltage, minus a small drop (see "Internal Voltage Drop")
Maximum Output Current Typically up to the limit of the associated fieldbus power supply (e.g., 350 mA, 500 mA). Note: The PCD itself does not limit the current; the external power supply does.
Internal Voltage Drop Typically ~2.5 V at 350 mA (Please verify with specific datasheet for exact value)
Electrical - Signal Signal Coupling Capacitive
Terminating Impedance 31.25 Ω (at 31.25 kHz) in series with a 1.0 µF capacitor
Isolation Voltage 500 V AC (between power input and fieldbus output)
Physical Connection Type Screw terminal block (for trunk and power connections)
Typical Mounting DIN rail mount inside a fieldbus power supply unit (e.g., Yokogawa F3SPxx series) or a dedicated chassis.
Environment Operating Temperature -40°C to +85°C (Standard industrial range)
Storage Temperature -40°C to +85°C
Humidity 0 to 95% RH (non-condensing)