Yokogawa AFV10D-S41201 Duplexed Field Control Unit The Yokogawa AFV10D-S41201, also cataloged as the AFV10D Duplexed Field Control Unit, operates as...
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Yokogawa AFV10D-S41201 Duplexed Field Control Unit
The Yokogawa AFV10D-S41201, also cataloged as the AFV10D Duplexed Field Control Unit, operates as a dedicated hardware component for real-time process signal execution within CENTUM VP control networks. It supports dual-redundant Vnet/IP communication and direct interface with Field Input/Output modules.
Hardware Specifications
Parameter
Specification
ModelBrand
Yokogawa AFV10D-S41201
Origin
Japan
Weight
8 Kg
Dimensions
440 mm × 170 mm × 170 mm
OperatingTemp
-10 degC to +55 degC
PowerConsumption
230 VA
Processor
VR5432 RISC CPU, 133 MHz, 64-bit
MainMemory
32 MB battery-backed
NetworkInterface
Dual-redundant Vnet/IP, 1 Gbps full duplex
I/OCapacity
Up to 8 FIO cards per slot
MaxNodeUnits
14 (9 local, remainder remote)
Mounting
19-inch rack, 8 × M5 screws
Process Control Specific Features
The unit supports channel-to-channel isolation to prevent signal interference between adjacent FIO modules. Cold junction compensation (CJC) is implemented for accurate temperature sensor readings across thermocouple inputs. FOUNDATION Fieldbus and Profibus PA connectivity is supported through compatible interface modules, ensuring deterministic communication within the DCS network.
Frequently Asked Questions
Q: Can this FCU support hot-swappable FIO cards? A: Yes. FIO cards can be replaced without powering down the unit, provided standard ESD precautions are observed.
Q: What is the expected failover time when switching between dual-redundant processors? A: Switch-over occurs within milliseconds, maintaining active I/O processing without interruption.
Q: Is firmware upgrade compatible with existing LFS1500 control functions? A: Yes, firmware updates are backward-compatible with LFS1500 functionality on the AFV10D-S41201.
Field Installation Guidelines
Install the FCU in a standard 19-inch rack using 8 × M5 screws.
Ensure all Vnet/IP network cabling uses CAT5e or higher UTP with RJ45 connectors.
Ground the chassis to the facility earth reference to reduce EMI.
Maintain minimum 100 mm clearance around the unit for airflow.
Avoid routing high-current power cables parallel to communication lines to prevent induced noise.
