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Copy| Product Name | Yokogawa A2FV50S-S311000 / A2FV50D-S411000 | N-IO Field Control Units |
| Item NO. | 2928419 |
| Weight | 0.1 kg = 0.2205 lb = 3.5274 oz |
| Category | YOKOGAWA |
| Brand | YOKOGAWA |
| Creation Time | 2026-10-30 |
Yokogawa · CENTUM VP N-IO control
N-IO field architecture · Vnet/IP dual-redundant · 100–120 V AC selected supply
Yokogawa A2FV50S-S311000 / A2FV50D-S411000 are 19-inch rack Field Control Units for CENTUM VP N-IO stations. The S execution uses single power, while the D execution provides dual-redundant power; both use dual-redundant Vnet/IP and the standard controller type represented by the first suffix S.
Across the field architecture, Yokogawa A2FV50S-S311000 / A2FV50D-S411000 coordinate N-IO nodes and supported FIO nodes from one controller station. The system drawing, network addresses and node inventory must identify which bus and node position owns every field signal.
During replacement, Yokogawa A2FV50S-S311000 / A2FV50D-S411000 must retain the corrected S controller suffix, selected power execution and 100–120 V AC supply. Treating the original invalid A suffix as an orderable article would break the link between the physical FCU and its official ordering structure.
| Technical Item | A2FV50S-S311000 | A2FV50D-S411000 |
|---|---|---|
| Brand | Yokogawa | |
| Product Name | N-IO Field Control Unit | |
| Country | Japan | |
| Controller type | Standard type (suffix S) | |
| Vnet/IP | Dual-redundant | |
| Power execution | Single | Dual-redundant |
| Supply | 100–120 V AC | |
| Explosion protection | None | |
| System role | N-IO and supported FIO nodes | |
| Mounting | 19-inch rack | |
| Selected basic option | 00 | |
| Selected fixed option | 00 | |
Yokogawa A2FV50S-S311000 / A2FV50D-S411000 bind controller processing to a documented N-IO and FIO node topology rather than to a generic rack arrangement. Each point below explains how the selected article works with the surrounding system rather than restating its specification rows.
Record node type, bus path and cabinet position before configuring signals for Yokogawa A2FV50S-S311000 / A2FV50D-S411000. Give every controller, node, interface and bus segment a named position in the project before field wiring is released.
Test both controller network routes independently before field-node commissioning. The hardware tree, cabinet drawing and physical slot order must agree; otherwise a healthy component can appear missing at the system level.
Document S or D power architecture in cabinet and maintenance records for Yokogawa A2FV50S-S311000 / A2FV50D-S411000. Close the integration check with representative signal and communication tests, then archive the accepted topology with the complete article string.
The project for Yokogawa A2FV50S-S311000 / A2FV50D-S411000 must reproduce the physical node order, network identity and controller execution. The objective is a project that identifies the installed hardware unambiguously and can be restored without reconstructing field assignments from memory.
Build the controller and node hierarchy before assigning process variables. Start from a backed-up project and add the exact hardware execution rather than copying a nearby family member whose interfaces or limits may differ.
Map each channel to the correct N-IO or FIO location and verify engineering units. Map addresses, channels and network identities deliberately, checking for duplicate assignments before the configuration is downloaded.
Save the commissioned project with the valid S-suffix Yokogawa A2FV50S-S311000 / A2FV50D-S411000 order code. After download, compare online hardware with the saved project and archive the commissioned revision so later replacement work has a verified baseline.
The official A2FV50 ordering structure defines the first suffix of Yokogawa A2FV50S-S311000 / A2FV50D-S411000 as S for the standard controller type. The originally supplied A suffix is not an orderable A2FV50 controller execution.
Create one node map for Yokogawa A2FV50S-S311000 / A2FV50D-S411000 that identifies bus type, node address, cabinet position and channel ownership. This prevents migrated FIO channels from being confused with N-IO channels.
Provide the exact Yokogawa A2FV50S-S311000 / A2FV50D-S411000, required quantity, existing software release, supply voltage, network execution and connected I/O architecture so the request is not reduced to a generic FCU family.
Compare the complete Yokogawa A2FV50S-S311000 / A2FV50D-S411000 suffixes, processor execution, Vnet/IP power arrangement, I/O bus configuration, supply voltage and explosion-protection option. The family name alone does not define the installed station.
For Yokogawa A2FV50S-S311000 / A2FV50D-S411000, check both supply paths where fitted, processor and I/O-bus status, connected node units and the downloaded system configuration. Preserve the first diagnostic indication before resetting modules.
Record the full Yokogawa A2FV50S-S311000 / A2FV50D-S411000 article, cabinet position, processor type, software release, network addresses, bus layout, power execution and connected node list before any replacement is attempted.
Moore Automation combines full-reference checking with coordinated product records for enquiries that must distinguish close variants.
One named contact keeps model, quantity and available-document questions in the same communication path.
Send the complete model and requested quantity with your enquiry.
Moore Automation Sales Team
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