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Duplexed Field Control Unit | AFS30D | Yokogawa

Duplexed Field Control Unit | AFS30D | Yokogawa

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Yokogawa AFS30D Duplexed Field Control Unit The Yokogawa AFS30D, also cataloged as the AFS30D Duplexed Field Control Unit, operates as... اقرأ المزيد

رمز المنتج: AFS30D
بلد المنشأ: JAPAN

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    وصف

    Yokogawa AFS30D Duplexed Field Control Unit

    The Yokogawa AFS30D, also cataloged as the AFS30D Duplexed Field Control Unit, operates as a dedicated hardware component for executing process I/O control across CENTUM CS 3000 platforms.

    Hardware Specifications

    Parameter Specification
    ModelBrand Yokogawa
    Origin Japan
    Weight 19 kg
    Dimensions Standard 19-inch rack
    OperatingTemp 0 to 55 degC
    Processor VR5432, 133 MHz
    MainMemory 16 Mbyte
    MemoryProtection Battery backup, 72-hour retention, 48-hour recharge minimum
    CommunicationInterfaces Dual-redundant Vnet, Dual-redundant FIO via ESB/ER bus
    NodeCapacity Up to 8 nodes
    PowerSupply 100-120 VAC 50/60 Hz, 220-240 VAC 50/60 Hz, 24 VDC
    PowerConsumption 250 VA (100-120 VAC), 400 VA (220-240 VAC), 4.5 A (24 VDC)
    FCUStatusOutput 2 terminals (NC, C), 30 V DC max, 0.3 A
    Installation Rack-mounted, 19-inch

    Process Control Specific Features

    • Supports 4-20 mA HART loop protocol integration for analog input/output modules.
    • Channel-to-channel isolation minimizes interference between parallel I/O operations.
    • Cold junction compensation (CJC) supported for precise thermocouple measurements.
    • Sequence of Events (SOE) data transfer to centralized SOE servers with timestamp accuracy.

    Frequently Asked Questions

    Q: VnA: Can the AFS30D memory be replaced or expanded while powered?
    A: Memory is battery-backed and not designed for hot-swap replacement; maintenance requires controlled power-down procedures.

    Q: VnA: What is the expected switchover time in duplexed operation?
    A: The backup processor takes control seamlessly within milliseconds; precise timing depends on configured process routines.

    Q: VnA: Are firmware upgrades supported via network interfaces?
    A: Yes, firmware updates are executed via redundant Vnet or FIO buses following manufacturer-approved procedures.

    Field Installation Guidelines

    • Mount unit in standard 19-inch rack; secure using rack screws and rails.
    • Ensure Vnet and FIO cables are segregated from high-voltage power lines to reduce EMI.
    • Proper grounding of chassis is required; connect grounding points to plant common earth.
    • Maintain minimum clearance of 50 mm around airflow vents for adequate cooling.
    • Connect FCU status contacts to monitoring relay circuits following 30 V DC, 0.3 A limitations.

    تحديد

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