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- Yokogawa
- VJH7-016-1ANO
- Isolator
- Japan
- 29.5 x 76 x 124.5 mm
- 0.25 kg
- Xiamen, China
- New & In Stock
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- 1 Year
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Yokogawa VJH7-016-1ANO is a signal isolator module belonging to the Yokogawa JUXTA VJ series signal conditioners.
It is designed to provide electrical isolation and signal conditioning for analog process signals in industrial automation systems.
This device is widely used in DCS (Distributed Control Systems), PLC systems, and instrumentation panels, where it ensures safe transmission of signals while eliminating electrical noise and ground loop interference.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | VJH7-016-1ANO |
| Product Type | Isolator (Signal Conditioner) |
| Series | JUXTA VJ Series |
| Input Signal | Analog process signal (typically 4–20 mA / mV / voltage depending on configuration) |
| Output Signal | Isolated analog output |
| Function | Signal isolation and transmission |
| Mounting Type | DIN rail / VJ mounting base |
| Technology | Microprocessor-based signal conditioning |
Physical Specifications
| Parameter | Details |
|---|---|
| Dimensions | 29.5 × 76 × 124.5 mm |
| Weight | 0.25 kg |
Function and Working Principle
The VJH7-016-1ANO functions as an electrical isolator, separating input and output circuits while maintaining accurate signal transmission.
Core Working Principle
- Receives an analog process signal from field instruments
- Internally isolates input, output, and power circuits
- Eliminates ground loops and electrical interference
- Outputs a clean, proportional signal to control systems
- Ensures signal stability in industrial environments
This improves measurement accuracy and system reliability.
Key Functions
- Provides galvanic isolation between input and output
- Converts and transmits analog process signals safely
- Prevents ground loop interference
- Improves signal quality in noisy environments
- Supports stable communication between field devices and control systems
- Ensures safe signal transfer in industrial networks
System Role
Within industrial automation systems:
- Field instrument generates analog signal
- Signal enters VJH7 isolator module
- Internal circuitry isolates and conditions signal
- Clean output signal is sent to DCS or PLC
- Control system processes stable measurement data
Industrial Applications
The VJH7-016-1ANO is used in:
- Oil and gas processing plants
- Petrochemical facilities
- Power generation systems
- Chemical manufacturing industries
- Refinery instrumentation systems
- DCS and PLC control panels
- Industrial signal conditioning networks
Key Features
- Electrical isolation of analog signals
- Compact plug-in design
- High reliability in industrial environments
- Microprocessor-based signal conditioning
- Strong resistance to electrical noise
- Modular JUXTA VJ series design
Advantages
- Eliminates ground loop problems
- Improves measurement accuracy
- Enhances system stability and safety
- Compact and easy to install
- Reliable long-term industrial operation
Installation Notes
- Mounted on DIN rail or dedicated VJ base
- Requires compatible signal wiring (4–20 mA or voltage inputs)
- Proper grounding of system recommended
- Must follow Yokogawa JUXTA installation standards
- Suitable for control cabinet environments
FAQ
Q: What is VJH7-016-1ANO used for?
It is used to isolate and transmit analog signals in industrial control systems.
Q: Is it an active device?
Yes, it is a powered signal conditioning isolator.
Q: What is its main purpose?
To eliminate electrical noise and ground loops while maintaining signal integrity.
Q: Which systems use it?
DCS, PLC, and industrial instrumentation systems.
Conclusion
The Yokogawa VJH7-016-1ANO Isolator is a reliable signal conditioning module designed for industrial automation systems.
It ensures safe, accurate, and noise-free transmission of analog process signals, making it an essential component in Yokogawa-based control architectures.