Tutto sui PLC: la CPU
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The Yokogawa AFV30D-A41252 is a 19-inch rack-mountable duplexed Field Control Unit (FCU) designed for CENTUM VP systems using Vnet/IP and FIO. As the core of the control function in a Field Control Station (FCS), the AFV30D-A41252 features dual-redundant power supply modules (PW482) and dual-redundant processor modules (CP471) to ensure high system availability. The unit provides dual-redundant Vnet/IP network communications and supports memory protection during power outages. It accommodates up to 8 I/O modules and manages process control operations within integrated automation environments.
| Model / Suffix Code | Description |
|---|---|
| AFV30D | Duplexed Field Control Unit (for Vnet/IP and FIO, 19-inch Rack Mountable) |
| -A | Standard type (for CP471) |
| 4 | Dual-redundant Vnet/IP, dual-redundant power supply |
| 1 | Always 1 |
| 2 | 220-240 V AC power supply |
| 5 | Basic type with no explosion protection |
| 2 | Always 2 (R6.01 or later) |
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Product Model | AFV30D-A41252 |
| Product Type | Duplexed Field Control Unit |
| Power Supply Voltage | 220-240 V AC |
| Power Supply Frequency | 50/60 Hz |
| Power Consumption | 230 VA |
| Main Memory Battery Backup | Max. 72 hours |
| Battery Recharge Time | Min. 48 hours |
| READY Contact Output Rating | 30 V DC, max. 0.3 A (Terminals: NC, C) |
| Processor Modules | 2 x CP471 (Dual-redundant) |
| Power Supply Modules | 2 x PW482 (Dual-redundant) |
| Max. I/O Modules | 8 |
| Connectable Node Units | Max. 13 per FCU (ANB10 / ANB11) |
| Communication Interface | Dual-redundant Vnet/IP |
| Mounting | 19-inch Rack Mounting (M5x8 screws) |
| Weight | Approx. 8.0 kg |
| Dimensions | 265.9 mm x 482.6 mm x 207 mm (H x W x D) |
| Connector / Interface | Function / Description |
|---|---|
| Power Supply | M4 screw terminal connection |
| Grounding | M4 screw terminal connection |
| READY Contact Output | M4 screw terminal connection |
| Network (Vnet/IP) | UTP cable (CAT5e or better) to Layer 2 switch |
| ESB Bus Coupler (Slots 7 & 8) | Slot 7 and Slot 8 for EC401 / EC402 modules (Dual-redundant) |
| Optical ESB Bus Repeater (Slots 1 to 6) | ANT401 or ANT411 master modules installed from right to left in pairs |
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Returns & Warranty

The Yokogawa AFV30D-A41252 is a 19-inch rack-mountable duplexed Field Control Unit (FCU) designed for CENTUM VP systems using Vnet/IP and FIO. As the core of the control function in a Field Control Station (FCS), the AFV30D-A41252 features dual-redundant power supply modules (PW482) and dual-redundant processor modules (CP471) to ensure high system availability. The unit provides dual-redundant Vnet/IP network communications and supports memory protection during power outages. It accommodates up to 8 I/O modules and manages process control operations within integrated automation environments.
| Model / Suffix Code | Description |
|---|---|
| AFV30D | Duplexed Field Control Unit (for Vnet/IP and FIO, 19-inch Rack Mountable) |
| -A | Standard type (for CP471) |
| 4 | Dual-redundant Vnet/IP, dual-redundant power supply |
| 1 | Always 1 |
| 2 | 220-240 V AC power supply |
| 5 | Basic type with no explosion protection |
| 2 | Always 2 (R6.01 or later) |
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Product Model | AFV30D-A41252 |
| Product Type | Duplexed Field Control Unit |
| Power Supply Voltage | 220-240 V AC |
| Power Supply Frequency | 50/60 Hz |
| Power Consumption | 230 VA |
| Main Memory Battery Backup | Max. 72 hours |
| Battery Recharge Time | Min. 48 hours |
| READY Contact Output Rating | 30 V DC, max. 0.3 A (Terminals: NC, C) |
| Processor Modules | 2 x CP471 (Dual-redundant) |
| Power Supply Modules | 2 x PW482 (Dual-redundant) |
| Max. I/O Modules | 8 |
| Connectable Node Units | Max. 13 per FCU (ANB10 / ANB11) |
| Communication Interface | Dual-redundant Vnet/IP |
| Mounting | 19-inch Rack Mounting (M5x8 screws) |
| Weight | Approx. 8.0 kg |
| Dimensions | 265.9 mm x 482.6 mm x 207 mm (H x W x D) |
| Connector / Interface | Function / Description |
|---|---|
| Power Supply | M4 screw terminal connection |
| Grounding | M4 screw terminal connection |
| READY Contact Output | M4 screw terminal connection |
| Network (Vnet/IP) | UTP cable (CAT5e or better) to Layer 2 switch |
| ESB Bus Coupler (Slots 7 & 8) | Slot 7 and Slot 8 for EC401 / EC402 modules (Dual-redundant) |
| Optical ESB Bus Repeater (Slots 1 to 6) | ANT401 or ANT411 master modules installed from right to left in pairs |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Japan
|