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- Yokogawa
- VC401-10
- Vnet Coupler Unit Analog Input Electronic Module
- Japan
- 100 mm × 68 mm × 26 mm
- 0.2kg
- Xiamen, China
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Product Overview – VC401‑10
VC401‑10 is a high‑performance Vnet Coupler / Modular Coupler module used in distributed control systems (DCS) and automation networks. It acts as a coupling interface that connects various modules and network segments in the Vnet protocol family, ensuring efficient data transfer, reliable communication, and system integration. It is used where multiple modules or extension racks need to link into Vnet, for example to relay I/O, share status, or integrate remote modules. VC401‑10 is designed for robustness, redundant power supply, and compact size, to fit into industrial control cabinets.
Technical Specifications – VC401‑10
| Parameter | Specification / Typical Value |
|---|---|
| Model | VC401‑10 |
| Module Type | Vnet Coupler / Modular Coupler Unit |
| Protocols Supported | Vnet (for various Vnet variants), possibly compatible with higher‑speed channels depending on configuration |
| Ports / Coupling Channels | Typically 10 or similar modular interface count |
| Data Transfer Rate | ~100 Mbps in modular‑coupler‑mode; ensures adequate bandwidth for control/status data |
| Power Supply | 24 V DC, often redundant inputs for reliability |
| Operating Temperature | −10 °C to +55 °C |
| Storage Temperature | −20 °C to +70 °C |
| Humidity | 5% to 95% RH, non‑condensing |
| Protection / Ingress Rating | Typically module front / chassis IP20 or better depending on enclosure; in some versions IP65 in enclosure / environment rated housing |
| Hot‑Swap Capable | Yes, in many systems; can be replaced without shutting down the network segment |
| Physical Form / Mounting | Modular rack / coupler slot / backplane compatible with Vnet system racks |
| Dimensions (H × W × D) | ~ 100 mm × 68 mm × 26 mm (for compact rack card version) |
| Weight | ~ 0.2 kg |
Applications
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Coupling remote I/O modules into a central Vnet bus in a DCS system.
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Linking data‑acquisition, status, and control modules across network segments.
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Bridging modules that use different parts of Vnet or different rack locations.
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Enabling system expansion with minimal cabling and ensuring high data integrity.
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Environments requiring redundancy, modularity, and field maintainability (hot‑swap) in automation or safety systems.
Advantages
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Compact and lightweight module allowing high density packing into rack slots.
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Supports modular expansion of control / I/O networks without major rewiring.
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Redundant 24V power inputs increase reliability in critical systems.
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Designed for reliable industrial environment: moderate temperature range, adequate humidity tolerance.
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Maintains protocol compatibility with other modules in Vnet, easing system integration.
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Hot‑swap capability reduces downtime during maintenance.
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Efficient data throughput (≈100 Mbps typical) ensures real‑time status/control capability.
Brand & Series
| Field | Description |
|---|---|
| Brand | Yokogawa |
| Series / Family | Vnet / Vnet Coupler / Modular Coupler family |
| System Compatibility | Yokogawa DCS / Vnet architecture / automation & control systems |
| Module Type | Coupler / Coupling Interface / Communication Module |
| Typical Use | Industrial automation, process control, rack‑based extensions |
Related / Similar Models (Same Series or Related Function)
Here are five models in the same or similar families or performing related functions, with approximate parameters.
| Model | Description | Dimensions (mm) | Weight (kg) | Key Notes |
|---|---|---|---|---|
| VC401‑20 | Higher‑capacity coupler variant (more ports or higher bandwidth) | ~100 × 68 × 30 | ~0.25 | For larger racks or more I/O throughput |
| Vnet Coupler / AIP830 | Coupler module in the same Vnet family | ~128.4 mm height (3U rack module) | ~0.32 kg | Rack‑mount coupler; dual power inputs, robust environment rating |
| VI702 | Vnet/IP communication interface module | ~110 × 90 × 40 | ~0.6 kg | Bridges Vnet to Vnet/IP or Ethernet network |
| ALR121‑S53 | Communication / node module used in Vnet or safety networks | Data depending on variant | ~0.8 kg | More features; perhaps includes redundancy or diagnostics |
| PW441‑10 | Power / status / coupling related module in the system | Similar rack form | ~0.4 kg | Provides supplemental module support in Vnet systems |
Other Popular Models from Same Brand
Below are other modules from the same brand, used often in similar or complementary roles.
| Model | Function / Use Case | Dimensions (approx) | Weight (kg) | Highlights |
|---|---|---|---|---|
| CP401‑10 | Communication Processor / Gateway module | larger rack card size | ~1.0 kg | High reliability, multi‑protocol capability |
| SCP451‑53 | Analog Output Module | ~123 × 122 × 100 | ~1.5 kg | Outputs control signals in safety loops |
| SEC401‑51 | Discrete Input Module | ~123 × 30 × 100 | ~0.18 kg | Status / alarm input signals |
| SPW482‑53 | Dual Output Power Supply Module | ~99 × 22.5 × 114 mm | ~0.34 kg | Supplies power to node/control units and field devices |
| SSB401‑53 | ESB Bus Interface / Slave Module | ~110 × 22.5 × 100 | ~0.2 kg | For safety bus communication slaves |
FAQ (10 Questions & Answers)
Q1: What is the primary purpose of the VC401‑10 module?
A1: It serves as a modular coupler in Vnet systems to join network segments, connect remote modules or racks, and handle control/status data transmission within an automation network.
Q2: What power does it require?
A2: 24 V DC; often with dual or redundant power input capability to enhance reliability.
Q3: What temperature range can it operate in?
A3: Typically from −10 °C to +55 °C for operating; storage range somewhat more extreme.
Q4: Is the module hot‑swappable?
A4: Yes, in many system configurations it is designed to be replaced (or inserted) without shutting down the network segment.
Q5: What are its physical size and weight?
A5: Roughly 100 mm × 68 mm × 26 mm, weighing about 0.20 kg.
Q6: What data throughput can it handle?
A6: On the order of ~100 Mbps in typical coupler mode, sufficient for control/status communications rather than heavy data streaming.
Q7: Is it compatible with other Vnet modules?
A7: Yes; designed to integrate with other modules in the Vnet series (remote I/O, communication modules, etc.).
Q8: What are its advantages in maintenance or reliability?
A8: Compact size, dual power inputs, hot‑swap capability, and durable design all help reduce downtime and improve reliability.
Q9: Is the module rated for harsh environments (humidity, vibration)?
A9: Yes; tolerates moderate humidity (non‑condensing), typical industrial vibration; exact vibration specs depend on system rack mounting.
Q10: For what kinds of industrial applications is VC401‑10 best suited?
A10: Process control, SCADA, remote I/O, network segmentation in DCS, control racks expansion, modules in chemical, power, oil & gas, and similar industries.
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