The YOKOGAWA CP451 processor module executes the core control workload in AFV10S and AFV10D Field Control Units. It supports the Vnet/IP and FIO architecture used by CENTUM VP field control stations and can be applied in single or dual-redundant processor arrangements according to the host FCU configuration.
Battery backup; maximum 72 hours, minimum recharge time 48 hours
Processor arrangement
One module for single operation; two modules in a dual-redundant AFV10D arrangement
Network context
Vnet/IP interface is dual-redundant at FCU level
SOE event buffer
Up to 10,000 retained events when used in the applicable SOE architecture
02 / SYSTEM RELATIONSHIP
Where CP451 Sits in the Control Path
Vnet/IP Layer Connects the field control station to the plant control network through the FCU network interfaces.
FCU Platform AFV10S supports a single arrangement; AFV10D is the duplexed Field Control Unit.
PROCESSOR CORE
CP451
Control execution and station coordination
FIO & Bus Layer Works within the FIO architecture; ESB and ER bus modules extend the I/O node arrangement.
Control Workload Runs continuous and sequence control tasks and retains SOE events in applicable configurations.
Exact Identity First
Match CP451, suffix -50, style S2, host FCU and installed pair.
Redundancy Alignment
For a duplexed station, confirm both processor positions and compatible revisions before replacement.
Shutdown Planning
Coordinate replacement with plant procedures, backup status and station availability requirements.
AMIKON SUPPLY SERVICE
Twenty Years Supporting Industrial Automation
For more than two decades, AMIKON has supported global buyers with a broad automation parts range, responsive service and dependable fulfillment. Careful part-number matching helps teams secure difficult items and keep production moving.
Urgent shipment support Fast coordination helps reduce the operational impact of an unexpected outage.
12-Month Warranty · Return Support Contact our team within seven days if an issue is found after delivery. Return the item in its original condition with a clear reason; refund or replacement review begins after receipt. Return shipping charges are the buyer's responsibility.
Direct target for a matching AFV10 processor position
Suffix, style, FCU type and companion processor
AFV10S
Field Control Unit
Single processor configuration
Power option, installed bus modules and station build
AFV10D
Duplexed Field Control Unit
Two-processor arrangement for redundancy
Compatibility of both processor modules
EC401 / EB401
ESB / ER bus interface
Extends FIO node connectivity
Required slot position and redundancy plan
04 / PROCUREMENT FAQ
Questions That Protect the Replacement Plan
Q1
Can CP451-50 S2 be ordered for either AFV10S or AFV10D? CP451 belongs to both platforms, but the required quantity and redundancy arrangement differ. Confirm the complete FCU model and whether the station uses a single or paired processor configuration.
Q2
Why must the suffix and style code be checked? The full identity defines the intended configuration level. Matching CP451, suffix -50 and style S2 reduces the risk of receiving a processor that does not align with the installed station build.
Q3
What should be checked for a duplexed FCU replacement? Capture both installed processor identities, the active and standby condition, system release compatibility and the approved replacement sequence. A mismatched pair can complicate recovery and redundancy restoration.
Q4
Does the processor alone determine the complete FCU capacity? No. Overall station capability also depends on the FCU type, installed bus interfaces, I/O nodes, licenses and the configured control application.
Q5
What details help obtain an accurate quotation? Provide CP451-50 S2, the complete AFV10S or AFV10D identity, required quantity, destination, urgency and clear photos of the installed labels. For a duplexed station, include both processor labels.
05 / RECOMMENDED MODELS
Automation Parts for Broader Maintenance Needs
1747-KFC15
02-681-339
WMZT3D20T
SAI143-H63 S4
K9634DA K9634DA-01
EPDM 76/DN80/3
140DAO85300
81003-438-51-R
D200175 AP31
ALR121-S51 S1
51196990-500
MSD5AZA1Y
TM80125
51305896-100
VPM-8100Q-000
103147 SAE-14
REF615E_D REF615E-D
E24KN9ZCCM
FC-TSAO-0220M
FTA-T-20
79835-66515
1785-L60B/C
194r-c30-1753
SPW481-13
1797-IE8NF
AAT145-S50 S1
A413141 BIU82
FC-CPCHAS-0001
FC-BKM-0001 V1.1
RAIO-01 64379224F
11-018-164
DSQC239 YB560103-CH
22TA-L4-SS
SDV144-S33 S2
ASS9981DE-02
MA40-7073
4L-E4-C1A-TT
2080-DNET20
RDIO-01 64379216D
NFDV551-P11
SNT521-53
1KHW001356R0001 P4RX
FIO-11 68679079
DSQC256A 3HAB2211-1
51308097-200
51196742-200
MSD013A1Y
51305391-300
CS-SS-RHR1HE-03
71503-052130
VPM-8100LS-000
2711P-K6C20A
07KR91 GJR5250000R0151
DSQC323 3HAB5956-1
4L-L4-M2-B1A
NA50-40NAMKNN-CE
FS-USI-0001
C98043-A7600-L1
FC-IO-0001 V1.1
05V-0070L
FINAL INQUIRY
Confirm CP451-50 S2 Before Your Planned Shutdown
Send the complete FCU identity, quantity, destination and required delivery date. For a redundant station, include both installed processor identities so the quotation can be aligned with the operating arrangement.
Trust Guaranteed
Customer Support
IPv6 network supported