Description

Yokogawa AFV30D-A41152 Field Control Unit

TheYokogawa AFV30D-A41152also cataloged astheAFV30D Field Control Unit (FCU), operates as a dedicated hardware component for real-time process control execution within CENTUM VP Vnet/IP DCS networks. Configured for deterministic control processing in Field Control Station architectures, theYokogawa AFV30D-A41152(AFV30DFCU) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

AFV30D-A41152 model coding structure defines the following configuration parameters based on Yokogawa ordering schema:

• AFV30D: Duplexed Field Control Unit for Vnet/IP architecture
• A: Standard configuration type
• 4: Dual-redundant Vnet/IP and power supply configuration
• 1: 100-120 VAC input class
• 1: Standard environmental specification level
• 5: Non-explosion protected configuration
• 2: CENTUM VP control function compatibility (R6.01 or later)

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa AFV30D-A41152
Origin	Yokogawa Electric Corporation
Weight	approx 8.0 kg
Dimensions	482.6 mm x 207 mm x 465.1 mm
OperatingTemp	-10 degC to +55 degC
PowerConsumption	approx 230 VA
Processor	VR5532, 350 MHz (dual-redundant configuration support)
Main Memory	128 MB with battery-backed retention
Control Network	Vnet/IP dual-redundant interface
Node Capacity	up to 13 node units per FCU
READY Contact Output	2 terminals (NC, C), 30 VDC max 0.3 A

Fieldbus and Channel-to-Channel Isolation in DCS I/O Architecture

The Yokogawa CENTUM VP FCU architecture implements modular I/O segmentation via FIO and ESB bus structures, enabling electrical channel separation between process signal acquisition and control execution layers. Field signal integration is extended through Vnet/IP deterministic communication, supporting distributed control timing alignment across redundant FCU domains. Isolation boundaries between I/O nodes reduce cross-channel electrical interference during high-density signal aggregation.

Frequently Asked Questions

Q: Does AFV30D-A41152 support hot-swap replacement of processor modules?
A: Yes. The FCU architecture supports redundant module configuration enabling replacement of processor and power units under live system operation, subject to synchronization state stability of the active channel.

Q: What is the behavior of battery-backed memory during full power loss?
A: Main memory retention is maintained for up to 72 hours using internal backup battery, preserving control configuration and runtime state variables.

Q: How many Vnet/IP nodes can be addressed per FCU unit?
A: The FCU supports connectivity to a maximum of 13 node units through ESB or optical ESB bus topology.

Field Installation Guidelines

The FCU shall be installed in a 19-inch industrial rack structure with enforced grounding of chassis earth terminals. Vnet/IP dual-redundant Ethernet paths must be routed with physical separation to reduce single-point network failure risk. Signal cabling to ESB nodes requires shield termination at designated grounding points on the cabinet side only. Power supply redundancy modules shall be installed in matched pairs to maintain balanced load distribution. Minimum clearance shall be maintained for airflow across processor and power sections to avoid thermal accumulation.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems