Yokogawa AFV30D-A41252 Duplexed Field Control Unit

Product Description

Configured for redundant field control and Vnet/IP communication in Yokogawa CENTUM VP, the Yokogawa AFV30D-A41252 (AFV30D Duplexed Field Control Unit) executes control functions while maintaining processor and power supply redundancy. The unit handles analog and digital I/O and supports function-block-based control strategies.

Hardware Specifications

Vnet/IP and DCS Control Architecture

The AFV30D operates as a field control unit within the Yokogawa CENTUM VP architecture. It exchanges control and process data through the Vnet/IP control network while executing configured control functions locally.

The duplexed architecture uses two processors and two power supplies. Therefore, the control unit can maintain operation when the active processor or power supply requires redundancy management. The supplied data does not specify the processor switchover time or power supply transfer time, so no numerical delay value is assigned here.

The unit supports analog and digital I/O. Consequently, the same field control hardware can process continuous signals and discrete field states according to the configured control strategy.

Frequently Asked Questions

Q: Does the AFV30D-A41252 use a redundant processor configuration?
A: Yes. The supplied specification identifies two processors in a duplexed configuration.

Q: Does the AFV30D-A41252 support both analog and digital I/O?
A: Yes. The unit supports both analog and digital field I/O.

Q: Which control network does the AFV30D-A41252 use?
A: The supplied information specifies Yokogawa Vnet/IP for control network communication.

Field Installation Guidelines

• Install the AFV30D-A41252 in the designated CENTUM VP control system hardware arrangement.
• Connect field wiring according to the assigned analog and digital I/O configuration.
• Route low-level analog signal wiring separately from high-current and high-voltage conductors where practical.
• Apply the specified shield and grounding method for each connected field circuit.
• Verify Vnet/IP network connections before commissioning control functions.
• Check both redundant processor paths and power supply paths during system startup.
• Confirm the configured I/O channel assignments before placing connected control loops into service.
• Follow the applicable Yokogawa installation documentation for cabinet mounting, grounding, wiring, and redundancy configuration.

Other Attributes

• Country of Origin: Japan/Singapore
• Lead Time: In Stock, 2 Working Days

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