ABB V18311H.3.8.2.2.10.1.0.0 I/P Signal Converter

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1. Product Overview

The ABB V18311H.3.8.2.2.10.1.0.0 is a high-precision I/P (current-to-pressure) signal converter. It converts standard electrical signals (4–20 mA) into proportional pneumatic signals (0.2–1 bar or 3–15 psi) to control pneumatic actuators or control valves. The converter features fast response, stable output, and strong interference immunity, making it ideal for process automation and industrial control systems.

2. Technical Specifications

Electrical Specifications

• Model: V18311H.3.8.2.2.10.1.0.0

• 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 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 current signal to pneumatic output.

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

3. Stable output — Stable pressure output with strong interference immunity.

4. Flexible installation — Multiple interfaces and mounting options.

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

6. Easy maintenance — Compact design for easy disassembly and maintenance.

4. Application Areas

• Industrial automation and process control systems

• Pneumatic actuators, control valves, and regulators

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

• Power plants and energy management systems

• HVAC and building automation

• Precision pneumatic actuator control

5. Precautions

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

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

3. Avoid vibration, dust, or corrosive environments.

4. Periodically check output pressure and control accuracy for stable operation.

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

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

The structure and details of the product：

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