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Processor module for Yokogawa Field Control Unit configurations within CENTUM VP control system architectures. The CP461-50 is the standard type without explosion protection.
Part Number CP461-50
01
Technical Specifications
Data sources: Yokogawa Electric Corporation GS 33J60E10-01EN and related CENTUM VP documentation for the AFV30 Field Control Unit configuration.
Manufacturer
Yokogawa Electric Corporation
Part Number
CP461-50
Model
CP461
Product Type
Processor Module
Suffix
-50
Suffix meaning
Standard type with no explosion protection; basic type
Application
Field Control Unit / Field Control Station
Redundant configuration
2 identical CP461 modules for dual-redundant processor configuration
Show system-level specifications for the CP461 host FCU
Applicable FCU family
AFV30S / AFV30D and compatible CENTUM VP Field Control Unit configurations
Vnet/IP
Dual-redundant Vnet/IP interface on the AFV30 FCU
ESB node capacity
Maximum 13 ESB Bus Node Units and Optical ESB Bus Node Units per FCU
I/O module capacity
Maximum 8 I/O modules in the AFV30 FCU configuration
Processor redundancy rule
Dual redundancy requires two identical processor modules with the same model code
READY contact
2 terminals, NC/C; contact opens during FCU failure; 30 V DC maximum, 0.3 A maximum
Main memory backup
Battery backup maximum 72 hours; minimum recharge time 48 hours
Host mounting
19-inch rack mounting for AFV30S / AFV30D
02
Compatibility & Replacement
Original Compatibility
Yokogawa Field Control Unit
CP461 is documented for compatible CENTUM Field Control Unit configurations, including AFV30S and AFV30D. AFV30S-S and AFV30D-S are the CP461 configurations.
Historical Replacement
CP461-10 → CP461-50
CP461-50 is identified as a replacement for CP461-10 in available product documentation.
CP471 migration: Yokogawa documents CP471 as the replacement path for existing CP461 installations. This replacement requires a Yokogawa-authorized service engineer.
03
Application & Fault Scenarios
Processor layer of the Field Control Station
The module operates within the Field Control Unit control layer and works with the CENTUM VP FCU, Vnet/IP, ESB bus and connected I/O or node units.
Common replacement needs
Existing CP461 replacement, redundant-pair spares and planned maintenance are typical reasons to source this processor.
Maintenance impact: A processor fault can affect the control layer. Actual plant impact depends on the available redundant processor and the configured control strategy.
04
Redundancy, Bus & Installation
Processor redundancy
A duplexed FCU uses two identical CP461 processor modules with the same model code.
ESB bus coupling
EC401 or EC402 for ESB Bus Node Units.
Both designated positions are used for processor redundancy.
Single ESB configurations use the designated single position.
Optical ESB
ANT401 or ANT411 is used for optical ESB remote connections where required.
FCU connections
M4 screw terminals for power, grounding and READY contact.
CAT5e or better UTP for the network connection.
05
System Configuration Notes
01 · FCU
AFV30 is a 19-inch rack-mountable Field Control Unit for FIO.
02 · NODES
Up to 13 ESB Bus Node Units and Optical ESB Bus Node Units can be connected per FCU.
03 · MEMORY
The host FCU provides battery-backed main-memory protection for up to 72 hours.
06
Delivery, Warranty & RFQ
Testing: Functional inspection before shipment.
Packaging: Protective industrial packaging.
Warranty: 12 months under agreed warranty terms.
DOA: Arrival damage or initial failure can be reported with supporting evidence.
Returns: Handled according to the agreed order and warranty conditions.
RFQ — Please provide
Part Number · Quantity · Destination · Required Date · Machine/System Model
Is CP461-50 a standard or explosion-protected processor module?
CP461-50 is the standard type without explosion protection. The -50 suffix corresponds to the basic, non-explosion-protection configuration.
Can two CP461-50 modules be installed for processor redundancy?
Yes. Two identical CP461 processor modules can be used for a dual-redundant configuration, with the same model code required for the processor pair.
Which Field Control Units should be checked before ordering CP461-50?
Check the installed FCS and FCU nameplate first. CP461 is documented with AFV30S and AFV30D configurations, together with other compatible CENTUM Field Control Unit configurations.
What is the difference between CP461-50 and CP461-10?
Available product documentation identifies CP461-50 as a replacement for CP461-10. The installed module label and host FCU should be checked before ordering.
Can CP461-50 be upgraded to CP471 by the plant maintenance team?
Yokogawa specifies that replacement of an existing CP461 with CP471 must be carried out by a Yokogawa-authorized service engineer.
Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste... Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste...
