製品紹介
The Yokogawa VJA1-027-AAA0 Distributor is a high-performance signal distribution module engineered for use in complex industrial automation and process control systems. It is specifically designed to receive input signals from field instruments or controllers and reliably distribute them across multiple receiving devices without loss / signal integrity.
This distributor plays a critical role in ensuring consistent communication between subsystems, particularly in scenarios where multiple monitoring or control 台s require access to the same input data. Its robust design makes it suitable for continuous operation in harsh industrial environments such as power plants, chemical facilities, oil and gas refineries, and large-scale manufacturing plants.
The VJA1-027-AAA0 ensures electrical isolation between channels, stable signal replication, and noise suppression, enabling operators to maintain accuracy and safety in mission-critical processes.
Product Parameters
| Parameter | Specification |
|---|---|
| モデル | Yokogawa VJA1-027-AAA0 Distributor |
| Function | Signal distribution and replication |
| Input Type | Analog signal (e.g., 4–20 mA, DC voltage) |
| Output Channels | Multiple independent isolated outputs |
| Input Impedance | High impedance to minimize load on source |
| Power Supply | 24 VDC nominal (other ranges available depending on configuration) |
| Isolation | Galvanic isolation between input, output, and power supply |
| Accuracy | ±0.1% / span (typical) |
| Operating Temperature | -20 °C to +55 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 10% to 90% RH (non-condensing) |
| Mounting | DIN rail mounting |
| Dimensions | 76 × 29.5 × 124.5 mm |
| 重量 | 0.12 kg |
Product Applications
The Yokogawa VJA1-027-AAA0 Distributor finds broad applications in industrial automation and process industries, including:
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Power Generation: Distributing critical sensor signals such as turbine control feedback or generator monitoring outputs.
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Chemical and Petrochemical Plants: Ensuring parallel monitoring / hazardous process signals in both DCS (Distributed Control Systems) and ESD (Emergency Shutdown Systems).
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Oil & Gas: Distributing pressure, temperature, and flow measurement signals to multiple systems for redundancy and compliance.
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Manufacturing: Providing reliable multi-point monitoring / machinery performance and process quality indicators.
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Pharmaceutical Industry: サポートing redundant signal transmission for precision batch production and compliance with regulatory requirements.
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Water Treatment: Enabling signal sharing between SCADA systems and backup controllers.
Product Advantages
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High Signal Integrity: Maintains precise and accurate signal replication without distortion.
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Electrical Isolation: Prevents ground loops and improves system reliability.
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Redundancy サポート: Enables one input signal to be reliably shared across multiple systems for monitoring and control.
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Compact Design: Space-saving DIN rail mounting for flexible installation.
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Wide Compatibility: サポートs standard industrial signals like 4–20 mA and voltage ranges.
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Noise Imm台y: Advanced filtering and shielding for operation in electrically noisy environments.
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Robust Build: Designed for long-term operation in demanding industrial conditions.
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Reduced Maintenance: Stable performance minimizes the need for recalibration.
FAQ
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What type / isolation is provided between the input and output channels?
The distributor /fers galvanic isolation to protect against electrical interference and ground loops. -
Can the distributor handle both current and voltage input signals?
Yes, it is configurable for standard industrial signals such as 4–20 mA or DC voltage ranges. -
How many output channels does the VJA1-027-AAA0 support?
It typically supports multiple isolated output channels, allowing one input to be distributed to several receiving devices. -
What is the typical accuracy rating / the module?
The distributor provides ±0.1% / span accuracy under normal operating conditions. -
Does the device provide surge or transient protection?
Yes, built-in protective circuitry ensures resilience against surges and transient spikes. -
Is the module hot-swappable during operation?
In most installations, hot-swapping is not recommended, but the design supports quick replacement during shutdowns. -
What is the typical power consumption / the 台?
The module operates at low power, typically under 2 W at 24 VDC. -
Can this module be integrated into redundant control architectures?
Yes, it is well-suited for redundant configurations where one signal needs to be transmitted to backup systems. -
What mounting options are supported?
The 台 is designed for DIN rail mounting, ensuring ease / installation in control cabinets. -
How does the distributor handle input signal loading?
It has high input impedance to ensure negligible loading on the signal source.
Recommended Related モデルs (Same Series or Function)
| モデル | 説明 |
|---|---|
| Yokogawa VJA1-021-AAA0 | Signal distributor, single input to dual outputs |
| Yokogawa VJA1-023-AAA0 | Isolated distributor with higher channel capacity |
| Yokogawa VJA1-025-AAA0 | Distributor module with advanced filtering |
| Yokogawa VJA1-029-AAA0 | Wide-range input distributor |
| Yokogawa VJA1-031-AAA0 | High-precision signal distributor |
| Yokogawa VJA1-035-AAA0 | Multi-channel distribution module |
Popular Yokogawa モデルs (Same ブランド)
| モデル | 説明 |
|---|---|
| Yokogawa VJH1-010 | Isolated signal converter |
| Yokogawa VJF1-014 | Frequency signal transmitter |
| Yokogawa VJX1-015 | Universal input transmitter |
| Yokogawa VJQ1-011 | Signal isolator for DCS integration |
| Yokogawa VJY1-016 | Temperature signal converter |
| Yokogawa VJZ1-018 | High-accuracy process transmitter |
会社情報
E-mail: [email protected]
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Add: 中国福建省廈門市思明区呂嶺路2号 阿里山ビル 〒361006
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