ABB TZIDC (V18345)
ABB **TZIDC (V18345)** is a smart valve positioner from ABB's TZID series, designed for pneumatic control valves in industrial automation (e.g., flow and pressure regulation in process control). Below are its key features and applications:
### **1. Key Features**
- **High-Precision Control**:
Utilizes digital feedback and microprocessor technology, achieving positioning accuracy of **±0.5%**, suitable for demanding process control (e.g., chemical, oil & gas, power plants).
- **Communication Protocols**:
Supports **HART, Profibus PA/DP, Foundation Fieldbus (FF)**, enabling seamless integration with DCS/PLC systems.
- **Adaptive Functionality**:
Features auto-calibration and adaptive control algorithms to match different valve characteristics (linear, equal percentage, etc.).
- **Diagnostics & Maintenance**:
Built-in self-diagnostics monitor valve wear, air supply pressure, travel deviation, etc., with reports generated via software (e.g., ABB’s *Valve Assistant*).
- **Environmental Durability**:
Rated **IP66/IP67** for dust/water resistance, operating temperature range: **-40°C to +80°C**.
### **2. Technical Specifications (Typical)**
- **Input Signal**: 4-20mA (HART), digital signals (Profibus/FF).
- **Air Supply Pressure**: 1.4–7 bar (20–100 psi).
- **Output Torque**: Compatible with various pneumatic actuators (single/double-acting).
- **Air Consumption**: Energy-efficient design reduces compressed air usage.
- **Certifications**: ATEX, IECEx (explosion-proof), SIL2/3 (functional safety).
### **3. Applications**
- **Process Industries**: Oil refining, chemical reactors, natural gas pipelines.
- **Energy**: Steam regulation in power plants, water treatment valve control.
- **Pharma & Food**: Precise flow control in sterile processes.
### **4. Model Explanation (V18345)**
- **V18345** is an internal ABB code, possibly indicating specific configurations (e.g., communication protocol or mounting accessories).
- Full model details require suffixes (e.g., **TZIDC-110, TZIDC-200**).
### **5. Installation & Commissioning**
- Supports **direct or bracket mounting**, compliant with ISO 5211 actuator standards.
- Configure via local buttons, HART handheld devices, or PC software for remote debugging.
### **Notes**
- Ensure valve type (rotary/linear), air supply pressure, and communication requirements during selection.
- Use genuine ABB parts (e.g., feedback rods, seals) for maintenance.
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