Key Benefits and Advantages
Flameproof Protection (Ex d): The TZIDC-210 is specifically built with a heavy-duty, explosion-proof housing. This enclosure is designed to contain any internal electrical spark or explosion, preventing it from igniting the surrounding atmosphere. This makes it a critical component for refineries, gas plants, and chemical processing facilities.
Native PROFIBUS PA Communication: As a digital fieldbus device, the TZIDC-210 supports decentralized control and bidirectional data exchange. It allows for the transmission of complex diagnostic data, valve status, and process variables over a single bus segment, significantly reducing the amount of field wiring required compared to traditional analog systems.
Automated Commissioning and Self-Optimization: The positioner features a fully automatic determination of control parameters. During the initial setup, the instrument scans the actuator’s mechanical limits and adjusts its internal PID settings to match the friction and load characteristics of the valve. This leads to optimal control behavior and drastic reductions in commissioning time.
Industry-Leading Vibration Resistance: Like the rest of the TZIDC family, the 210 model boasts unmatched immunity to mechanical stress, withstanding shocks and vibrations of up to 10g at frequencies up to 80 Hz. This ensures that the digital communication and mechanical positioning remain accurate even when mounted on high-vibration equipment.
Modular and Compact Construction: Despite its ruggedized, flameproof exterior, the TZIDC-210 remains compact and easy to install. Its modular internal structure allows for the addition of optional feedback modules or safety shutdown features, providing a cost-effective and flexible solution for various plant requirements.
Efficient Pneumatic Performance: The device utilizes a high-gain pneumatic relay with ultra-low steady-state air consumption. This design minimizes operational costs and the overall load on the instrument air system while providing the high-flow capacity needed for fast and responsive valve movement.
Technical Properties
-
Operation: Digital-to-pneumatic valve positioner.
-
Communication: PROFIBUS PA (Profile 3.0).
-
Protection Class: Flameproof / Explosion-proof (Ex d).
-
Vibration Immunity: 10g up to 80 Hz.
-
Actuator Compatibility: Linear (sliding-stem) and Rotary (quarter-turn).
-
Power Supply: Bus-powered (9 to 32 V DC).
-
Housing: IP65 / NEMA 4X (Aluminum standard).
-
Operating Temperature: -40 to 85°C.
Field of Application
The TZIDC-210 is the preferred solution for large-scale digital plants that require PROFIBUS PA communication in hazardous zones.
Primary Industries and Uses:
-
Oil & Gas Refining: Reliable control for distillation and hydro-treating units.
-
Petrochemical Production: Managing reactor control valves in explosive zones.
-
Offshore Platforms: Safe positioning for high-vibration gas compression modules.
-
Chemical Processing: Accurate modulation in areas with flammable solvent vapors.
-
Pharmaceutical Manufacturing: Automated valve control in hazardous production suites.
