F3DA04-6R | Analog Output Module | Yokogawa

Yokogawa F3DA04-6R Analog Output Module

The Yokogawa F3DA04-6R, also cataloged as the F3DA04 analog output module, operates as a dedicated hardware component for precision digital-to-analog signal generation within FA-M3 Range-free Controller systems.

Hardware Specifications

4-20 mA Loop Protocol and Channel Isolation

The module supports standard 4-20 mA HART loop protocol configurations when interfacing with distributed control systems. While each output channel is isolated from the internal control circuitry via photocoupler and capacitance coupling, individual output channels share a common negative terminal and are not isolated from each other. This design requires careful consideration of grounding schemes to prevent ground loops in multi-drop current loop installations.

Frequently Asked Questions

Q: Can the module perform simultaneous updates across all four channels?

A: Yes. All active DACs within the same module support synchronous output updates, executing within a single conversion cycle defined by the formula 2 us + (2 us x number of channels).

Q: What is the minimum load requirement for 0-5 V DC voltage output?

A: For 0-5 V DC and 1-5 V DC ranges, the allowable load resistance must be 500 Ohm or higher. For wider ranges such as -10 to 10 V DC, the minimum load is 1 kOhm.

Q: Is external power required for operation?

A: Yes. The module requires an external 24 V DC supply (range: 19.2 to 30 V DC) for powering the output circuits.

Field Installation Guidelines

Mount the module on the designated FA-M3 base unit ensuring proper seating of the backplane connector. Verify that the external 24 V DC supply wiring uses adequately sized conductors to handle the 200 mA nominal current plus inrush conditions. When installing current loop outputs, maintain separation from high-voltage cables to minimize inductive interference. Ensure shield drain wires are terminated at a single point connected to the system ground reference to preserve signal integrity.

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