ABB V18311H.4.8.2.2.10.1.0.0 I/P Signal Converter

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1. Product Overview

The ABB V18311H.4.8.2.2.10.1.0.0 is a high-precision I/P (current-to-pressure) signal converter. It converts standard electrical signals (such as 4–20 mA) into proportional pneumatic signals (e.g., 0.2–1 bar or 3–15 psi) to control pneumatic actuators or valves. It features fast response, high stability, and strong interference immunity, widely used in process control and automation systems for precise electric-to-pneumatic control.

2. Technical Specifications

Electrical Specifications

• Model: V18311H.4.8.2.2.10.1.0.0

• Input Signal: 4–20 mA DC

• Input Impedance: 250 Ω

• Supply Voltage: 24 V DC ±20%

• Power Consumption: ≤ 2 W

• Control Characteristic: Linear, proportional output

• Response Time: ≤ 100 ms (typical)

Pneumatic Specifications

• Output Pressure Range: 0.2–1.0 bar (or 3–15 psi optional)

• Output Flow Capacity: 100 Nl/min (typical)

• Air Medium: Clean, dry compressed air with low oil and water content

• Air Connection: 1/4" NPT or BSP (depending on model)

• Pneumatic Control Characteristic: Linear, stable output pressure

Environmental & Mechanical

• Protection Degree: IP65 (suitable for field installation)

• Operating Temperature: –20°C … +70°C

• Mounting: Direct on valve or bracket

• Material: Aluminum alloy or corrosion-resistant material

• Weight: Approx. 1.2 kg

3. Advantages & Key Features

1. High-precision control — Accurate conversion of electrical signal to pneumatic signal.

2. Fast response — Short response time suitable for dynamic control applications.

3. High stability — Stable output pressure with strong interference immunity for long-term operation.

4. Flexible installation — Multiple interfaces and mounting options for easy field setup.

5. Durable and reliable — IP65 rating, suitable for harsh industrial environments.

6. Easy maintenance — Compact design with standard components for simple replacement.

4. Application Areas

• Industrial automation and process control systems

• Pneumatic valves, control valves, and actuators

• Chemical, petrochemical, oil & gas, and pharmaceutical industries

• Power plants, water treatment, and energy management

• HVAC and building automation

• Precision pneumatic actuator control

5. Precautions

1. Verify input signal compatibility before installation to avoid overvoltage or overcurrent.

2. Use clean, dry, oil-free compressed air to prevent internal component blockage or damage.

3. Install in a vibration-free, dust-free, and corrosion-protected location.

4. Periodically check output pressure and control accuracy to ensure system stability.

5. Disconnect electrical supply and air supply before maintenance or replacement.

6. Do not exceed rated operating temperature or pressure range to avoid damage.

The structure and details of the product：

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