OPTO 22 SNAP-AIV2-1 Isolated Voltage 2-CHANNEL /-100V

( Brand: Opto 22 ), ( Manufacturer Part Number: SNAP-AIV2-1 ), ( Model: 22 SNAP-AIV2-1 ), ( Type: Plc Input Module ), ( Analog/digital: Analog )

Review OPTO 22 Isolated Voltage Input 2-channel /-100v Used

The **OptoSNAP-AIV2-1** is a high-performance, isolated voltage input module designed for demanding industrial automation, data acquisition, and control applications where precision, reliability, and electrical isolation are critical. This compact yet robust device features a **dual-channel analog input configuration**, each capable of measuring **unipolar or bipolar voltage signals** with exceptional accuracy and minimal noise interference. With an **input range of 100V**, the module excels in environments where high-voltage signals such as those from sensors, transducers, or industrial machinery must be safely and accurately interfaced with control systems or data logging platforms. The **optical isolation** between the input channels and the isolated output bus ensures complete galvanic separation, protecting sensitive electronics from voltage spikes, ground loops, and electromagnetic interference (EMI), while also enabling safe operation in hazardous or high-voltage environments. Built with **high-precision analog-to-digital converters (ADCs)**, the OptoSNAP-AIV2-1 delivers **16-bit resolution**, providing fine granularity for precise signal measurement and enabling applications that require sub-millivolt-level accuracy. Its **isolated 24V DC power supply** ensures stable operation even in noisy industrial settings, while the **modular design** allows for easy integration into larger systems via standard mounting rails or DIN rails, making it ideal for both custom and pre-engineered control panels. Whether deployed in **motor control systems, renewable energy monitoring, process automation, or scientific research**, this module offers a seamless balance of performance, durability, and flexibility, making it a versatile choice for engineers and technicians seeking a dependable solution for high-voltage signal acquisition.

### **Pros and Cons of buying a OptoSnap AIV2-1 (Isolated Voltage, 2-Channel, 100V)**

1. **High Voltage Isolation** The device provides galvanic isolation up to 100V, making it safe for applications involving high-voltage signals while preventing ground loops and noise interference. This is particularly useful in industrial, automotive, or medical environments where signal integrity and safety are critical.

2. **Two-Channel Design** The dual-channel configuration allows for simultaneous measurement of two independent voltage signals, increasing efficiency in multi-signal applications without requiring additional hardware.

3. **High Accuracy and Precision** The AIV2-1 is designed for precise voltage measurement, with low noise and high resolution, which is essential for data acquisition systems requiring reliable readings.

4. **Isolation for Noise Immunity** Isolation helps reject electromagnetic interference (EMI) and common-mode noise, ensuring cleaner signal transmission in harsh environments.

5. **Compatibility with DAQ Systems** The module is likely designed to integrate seamlessly with data acquisition systems (e.g., National Instruments, LabVIEW, or other industrial DAQ platforms), making it versatile for automation and monitoring tasks.

6. **Durability and Reliability** Opto22 modules are known for robust construction, suitable for long-term industrial use with minimal maintenance.

7. **Scalability** The modular design allows for easy expansion by adding more channels or modules as needed, making it adaptable to growing system requirements.

8. **Safety in High-Voltage Applications** The isolation rating ensures compliance with safety standards, reducing the risk of electrical hazards in applications involving high voltages.

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1. **Cost** High-quality isolated voltage modules like the AIV2-1 can be more expensive than non-isolated or lower-end alternatives, which may be a limiting factor for budget-conscious projects.

2. **Complexity in Setup** Isolated modules require careful wiring and configuration to ensure proper grounding and signal integrity, which may demand additional expertise, especially for beginners.

3. **Limited Current Handling** While the AIV2-1 is designed for voltage measurement, it may not be suitable for applications requiring current sensing or high-power signal conditioning.

4. **Vendor Lock-In** Opto22 s proprietary ecosystem means that users may be tied to their hardware and software platforms, potentially limiting flexibility if switching to other brands in the future.

5. **Wiring Constraints** The isolated design requires proper termination and shielding to avoid signal degradation, which can complicate installation in space-constrained environments.

6. **Potential Latency** Isolation introduces a small delay in signal transmission, which may be negligible in most applications but could be a consideration in high-speed data acquisition systems.

7. **Limited Documentation for Beginners** While Opto22 provides technical resources, newcomers to their platform may find the learning curve steeper compared to more mainstream DAQ solutions.

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The **OptoSnap AIV2-1** is an excellent choice for applications requiring **high-voltage isolation, precision voltage measurement, and noise immunity**. Its dual-channel design and integration with industrial automation systems make it ideal for **safety-critical, high-reliability environments** such as manufacturing, automotive testing, or medical equipment. However, its **higher cost, complexity, and potential vendor lock-in** may make it less suitable for **small-scale, low-budget, or non-isolated applications**.

If your project demands **galvanic isolation, multi-channel voltage sensing, and long-term reliability**, the AIV2-1 is a strong recommendation. For simpler or cost-sensitive applications, alternatives like **non-isolated voltage modules or lower-cost DAQ solutions** may suffice.

- You need ** 100V isolation** for safety and noise rejection.

- Your application requires **two independent voltage channels**.

- You are working in an **industrial or high-reliability environment** where signal integrity is critical.

- You are already using **Opto22 or compatible DAQ systems**.

- Your budget is tight, and a lower-cost non-isolated module will work.

- You lack experience with **isolated signal conditioning** and require simpler solutions.

- Your application does not require high-voltage isolation (e.g., low-voltage lab experiments).

Details:

In addition to having two channels isolated from each other, the module is also transformer and optically other modules devices. Used and untested. The SNAP-AIV2-i provides two isolated channels of analog voltage input, 100VDC to 100VDC.

part #: snapaiv21 prices

• $51.00-$384.14

specifications sensoindustria:

• brand: Opto 22
• mpn: Snap-aiv2-1
• model: 22 Snap-aiv2-1
• type: Plc Input Module
• analog/digital: Analog

shipping sensoindustria:

• class: Expedited
• cost: $9.80
• service: USPS Priority Mail Small Flat Rate Box
• transit: 5-11 Days
• carrier: USPS
• type: Calculated

returns sensoindustria:

• policy: No Returns

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

offer sensoindustria:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: April 3, 2026
• sold: 0

payments sensoindustria:

• other
• wallet: Apple-pay
• credit card: Mastercard

seller sensoindustria:

• city: Trenton, New Jersey
• rating: 100.0%
• # reviews: 1183

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