Dual Vnet/IP
AFV30D-A41252 uses two Vnet/IP paths for station-level communication. The connections link the FCU to the control network through the specified Layer 2 switching structure.
CENTUM VPFIO field controller
Dual Vnet/IP field control unit
Yokogawa AFV30D-A41252 Duplexed Field Control Unit
Section 01
01
Product Description
Yokogawa AFV30D-A41252 is a duplexed field control unit for CENTUM VP field I/O. It forms the core of a field control station by executing control functions in a matched CP471 processor pair and exchanging controller and engineering data through dual Vnet/IP connections.
AFV30D-A41252 links its processor rack to as many as thirteen node units over the ESB bus structure. ESB bus coupler modules occupy the designated rack positions, while individual I/O modules remain in the connected FIO nodes; this separates control processing from field-channel termination.
Power for AFV30D-A41252 enters as 220–240 V AC and feeds two power supply modules. The complete suffix also preserves the dual network and dual-power construction, basic no-explosion-protection type and the R6.01-or-later system release selection.
Section 02
02
Product Specifications
| Specification | Specification details |
|---|---|
| Brand | Yokogawa |
| Model | AFV30D-A41252 |
| Product type | Duplexed field control unit |
| Country | Not specified |
| Control system | CENTUM VP R6.01 or later |
| Processor modules | Two CP471 |
| Network | Dual Vnet/IP |
| Power input | 220–240 V AC |
| Power consumption | 230 VA |
| Power modules | Two |
| Maximum node units | 13 |
| Maximum local I/O modules | 8 |
| ESB coupler positions | Slots 7 and 8 |
| Approximate weight | 8 kg |
| Mounting | 19-inch rack |
Section 03
03
Field Control Station Data Path
AFV30D-A41252 sits between the CENTUM VP control network and distributed FIO nodes. Its network, processor and ESB paths handle different stages of the same control-data flow.
Processor execution
AFV30D-A41252 uses two identical CP471 modules. The processor pair executes the configured control functions and exchanges values with the I/O communication path.
ESB node connection
AFV30D-A41252 reaches distributed FIO node units through ESB bus couplers in slots 7 and 8. The connected nodes carry the field I/O modules and their channel wiring.
Section 04
04
Rack, Power and Node Boundaries
The AFV30D-A41252 rack combines the controller pair, power pair and limited local communication positions. Expansion takes place through node units rather than by treating every rack position as field I/O.
AC power pair
AFV30D-A41252 accepts 220–240 V AC and uses two power modules. The published 230 VA value applies to the FCU construction, not to an individual I/O channel.
Local module limit
AFV30D-A41252 supports up to eight I/O-related modules in its defined local arrangement, while the wider station can connect up to thirteen node units.
Rack connections
AFV30D-A41252 uses M4 terminals for power, protective ground and READY contact wiring, and CAT5e network cabling for its Vnet/IP connections.
Section 05
05
Common Questions
Where does AFV30D-A41252 sit in a CENTUM VP station?
AFV30D-A41252 is the duplexed FCU at the core of a field control station. It executes control functions and connects the Vnet/IP network to distributed FIO nodes.
How are remote I/O nodes connected to AFV30D-A41252?
AFV30D-A41252 uses ESB bus coupler modules in the defined rack positions to communicate with as many as thirteen connected node units.
Does AFV30D-A41252 use a single CP471 module?
No. AFV30D-A41252 has a duplexed processor construction with two identical CP471 modules and a dual-power arrangement.
Which AC feed belongs to AFV30D-A41252?
AFV30D-A41252 is specified for 220–240 V AC. Its published 230 VA consumption applies to the complete FCU configuration.
What cabling is associated with AFV30D-A41252 network ports?
AFV30D-A41252 uses CAT5e cabling to the Layer 2 switching equipment for its dual Vnet/IP paths; ESB connections serve the FIO-node side.
What should be matched before requesting AFV30D-A41252?
Match AFV30D-A41252 by the complete suffix, CENTUM VP release, CP471 pair, 220–240 V AC input, dual Vnet/IP arrangement and required node-unit layout.
Section 06
06
Why Choose Moore Automation
Moore Automation
https://www.mvme.cn
Moore Automation structures product enquiries around exact identification, supporting documents and a traceable communication record. This helps keep related variants and suffix selections separate during review.
Complete codes retained
Variants compared side by side
Supporting files linked to the request
Dispatch details kept with the order record
Section 07
07
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