Overview
The Yokogawa AFV30D-A41152 Field Control Unit (FCU) serves as the core of the control function in the Field Control Station (FCS). It is designed to offer high reliability and robust performance in industrial automation systems.
Key Features
Memory Protection
Battery Backup: Provides up to 72 hours of power during failure.
Recharge Time: Fully recharges in a minimum of 48 hours.
Contact Output
READY Contact Output: Includes 2 terminals (NC, C).
Contact Rating: 30 V DC, max. 0.3 A. Opens during FCU failure.
Additional Note: Fault contact is available with the optional House Keeping Unit (HKU).
Communication Interface
Dual-redundant Vnet/IP Interface ensures continuous, reliable communication.
For more details, refer to the CENTUM VP System Overview (GS 33J01A10-01EN).
HKU Interface (Optional)
When equipped with the /HKU option, FCU fault contact is available.
Monitors environmental conditions and displays system alarms.
Node Connectivity
Max. Nodes: Connect up to 13 ESB Bus Node Units (ANB10) or Optical ESB Bus Node Units (ANB11).
Module Configuration
Power Supply Modules: Dual-redundant configuration with PW481, PW482, or PW484 modules.
Processor Modules: Dual-redundant configuration with CP471 or CP461 modules.
I/O Modules: Can accommodate up to 8 modules (non-standard components).
Installation Guidelines
Slot Configuration
ESB Bus Node Units: Use EC401 or EC402 modules in slots 7 and 8 for dual-redundant configuration.
Optical ESB Bus: For remote locations, use Optical ESB Bus Repeater Master Modules (ANT401 or ANT411).
Power Supply Requirements
AC Power Supply: 100-120 V AC (50/60 Hz) or 220-240 V AC (50/60 Hz).
DC Power Supply: 24 V DC.
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