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Description
Yokogawa AFS30D-H4113 Field Control Unit
Configured for duplexed process control execution and field I/O management in CENTUM CS 3000 / CENTUM VP DCS platforms, the Yokogawa AFS30D-H4113 (AFS30D-H4113 Field Control Unit) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
No validated suffix segmentation is available from the provided dataset for AFS30D-H4113. The identifier is treated as a single fixed configuration code.
Hardware Specifications
Parameter
Specification
ModelBrand
Yokogawa AFS30D-H4113
Origin
Japan
Weight
Approx. 19 kg
Dimensions
19-inch rack mounted module (exact envelope not specified)
OperatingTemp
Not specified (refer to Yokogawa CENTUM hardware environment limits)
PowerConsumption
100-120 V AC: 250 VA; 220-240 V AC: 400 VA; 24 V DC: 4.5 A
Processor
VR5432 @ 133 MHz
Main Memory
16 Mbyte
Control Network
Dual-redundant Vnet
Field Network
FIO / RIO compatible interface
Architecture
Duplexed dual-processor redundancy
Channel-to-Channel Isolation and Process Control Signaling
The AFS30D-H4113 implements DCS-level signal integrity management through isolated processing domains between redundant CPU execution paths. Field I/O acquisition is synchronized via FIO bus timing arbitration, ensuring deterministic scan alignment under Vnet communication scheduling. Control execution supports standard industrial loop integration including 4-20 mA HART protocol, FOUNDATION Fieldbus compatibility, and segmented channel isolation to minimize inter-module signal coupling under high-density cabinet configurations.
Frequently Asked Questions
Q: Does the AFS30D-H4113 support hot standby redundancy switching? A: Yes. The duplexed architecture executes continuous synchronization between primary and secondary processing units, enabling bumpless transfer upon fault detection.
Q: What is the memory retention behavior during power loss? A: Main memory is battery-backed for up to 72 hours, with a minimum recharge time requirement of 48 hours after depletion.
Q: Can the FCU operate with mixed Vnet and FIO topologies? A: Yes. The unit maintains Vnet control communication while interfacing with distributed FIO field I/O nodes under a segmented network architecture.
Field Installation Guidelines
The FCU shall be installed in a standard 19-inch industrial control rack with verified grounding continuity between chassis and cabinet earth bus. Shielded twisted pair cabling is required for Vnet communication lines, with shield termination at a single-point ground to prevent circulating loop currents. Maintain physical separation between power conductors and communication wiring to reduce electromagnetic coupling. Ensure sufficient clearance for airflow around redundant power supply sections to avoid thermal accumulation in high-density cabinet layouts.
