ADV551-P50/D5A00 Yokogawa FIO Series Datasheet & Technical Manual

Yokogawa AFV30D-A41252 CENTUM VP Field Control Unit

Yokogawa AFV30D-A41252 CENTUM VP Field Control Unit

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Yokogawa AFV30D-A41252 Field Control Unit The Yokogawa AFV30D-A41252, also cataloged as the AFV30D Field Control Unit, operates as a dedicated...

رمز المنتج: AFV30D-A41252

Manufacturer: Yokogawa
Product No.: AFV30D-A41252
Product Type: PLC Processor Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 8000g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Yokogawa AFV30D-A41252 Field Control Unit

The Yokogawa AFV30D-A41252, also cataloged as the AFV30D Field Control Unit, operates as a dedicated hardware component for process control logic execution and real-time database management within CENTUM VP DCS platforms.

Suffix Breakdown & Model Matrix

AFV30D: Duplexed Field Control Unit (for Vnet/IP and FIO, 19-inch Rack Mountable)
-A: Standard type (for CP471 processor module)
4: Dual-redundant Vnet/IP, dual-redundant power supply
1: Constant value (Always 1)
2: 220-240 V AC power supply
5: Basic type with no explosion protection
2: Constant value (Always 2, requiring firmware revision R6.01 or later)

Hardware Specifications

Parameter	Specification
Model	AFV30D-A41252
Brand	Yokogawa
Origin	Japan
Weight	8.0 kg (Shipping weight: 9.0 kg)
Dimensions	Standard 19-inch rack mountable (4U height profile)
Operating Temp	0 deg C to +60 deg C
Power Consumption	Approximately 230 VA (220-240 V AC)
Network Interface	Dual-redundant Vnet/IP (1 Gbps deterministic Ethernet)
Processor Engine	Supports CP471 processor module
Memory Backup	Battery-backed main memory up to 72 hours
READY Output	Dry contact, 30 V DC, maximum 0.3 A rating
Ingress Protection	IP20 (must be housed in an enclosure)

DCS Process Control & Instrumentation Attributes

The AFV30D-A41252 incorporates a dual-redundant architecture utilizing dual CP471 processor modules operating in a hot-standby configuration. Bus communication is sustained via dual-redundant Vnet/IP networks, providing high-bandwidth, deterministic control loop coordination. Real-time control execution tasks communicate directly with FIO modules across dedicated ESB bus interfaces. For process loop reliability, the unit does not deploy channel-to-channel isolation internally but relies on the galvanic isolation barriers of the connected FIO modules. Diagnostic routines monitor temperature levels and processor synchronicity, activating the dedicated READY dry contact in the event of an hardware fault.

Frequently Asked Questions

Q: How is memory protected during a complete loss of utility power?

A: The AFV30D-A41252 includes an onboard backup battery assembly. Upon loss of external 220-240 V AC supply, the database and active control states are retained in the volatile memory of the CP471 processor modules for up to 72 hours.

Q: What network infrastructure is required to connect the duplexed Vnet/IP interfaces?

A: Connection requires standard UTP Category 5e or higher cabling linked to dedicated Vnet/IP layer 2 control switches. Both Vnet/IP domains (Bus 1 and Bus 2) must be wired independently to preserve complete fault-tolerant redundancy.

Q: Can this standard unit be installed directly in Class 1 Div 2 or Zone 2 locations?

A: No. The suffix code "5" designates a basic type without intrinsic safety or specialized explosion protection. For hazardous environments, the module must be installed inside a sealed, purged, or certified flameproof enclosure with external signal isolation.

Field Installation Guidelines

Chassis Mounting: Secure the main frame into a standard 19-inch cabinet rack using four front-panel fixing screws. Verify that adjacent ventilation panels are unobstructed to maintain adequate convection cooling.
Power Connection: Connect dual independent power sources to the redundant power terminals. Utilize a separate uninterruptible power supply (UPS) loop for each power module to prevent single-point utility failures.
Shield Grounding: Connect the dedicated grounding terminal on the rack rear panel to the master instrument ground bar. Use a copper conductor with a cross-sectional area of at least 5.5 mm squared, maintaining a ground resistance of less than 100 Ohms.
Vnet/IP Cabling: Ensure that Vnet/IP network cables do not run parallel to high-voltage power conduits. Maintain a minimum separation distance of 15 cm to prevent electromagnetic interference from causing network packet dropouts.

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