ABB TZIDC V18345-2010460001 Electro-Pneumatic Positioner

Product Overview

The ABB V18345-2010460001 (V183452010460001) is a highly intelligent, electronically configurable positioner from the TZIDC series. Designed for mounting on pneumatic linear or rotary actuators, this device represents the benchmark for precision in chemical, oil and gas, and power generation industries. The V18345-2010460001 stands out due to its small footprint, robust design, and advanced air management system that minimizes air consumption while maximizing control speed. Its "intelligence" allows for automatic adjustment to the actuator's specific stroke and dynamics through a simple "Autostroke" procedure, ensuring the control valve operates with optimal stability and minimal wear.

Technical Configuration

The V18345-2010460001 utilizes a modular hardware platform to provide industry-standard 4-20 mA control with HART communication.

• Communication Protocol: Features integrated HART 5 or HART 7 (depending on firmware) for remote configuration, status monitoring, and diagnostic data retrieval via handheld devices or DCS.

• Safety and Protection: This specific variant is often used in hazardous areas, typically certified for Intrinsically Safe (Ex ia) applications, allowing for safe operation in explosive atmospheres.

• Pneumatic Performance: Equipped with a high-capacity pneumatic relay that provides rapid response times even for large actuators, featuring a fail-safe "Fail-Safe" position upon loss of power.

• Local UI: Features a built-in liquid crystal display (LCD) and push-buttons for onsite parameterization and status checks without the need for external tools.

• Mechanical Feedback: Utilizes a non-contact, wear-free position sensor or a high-durability mechanical linkage system to ensure long-term accuracy.

Technical Specifications

Technical FAQs

How do I perform an "Autostroke" on the V18345-2010460001?

Navigate to the local menu using the push-buttons, select "Standard Autoadjust," and initiate. The positioner will automatically move the valve to its mechanical stops to calibrate the range and internal PID parameters.

Can this positioner be used on a rotary actuator?

Yes. The TZIDC series is universal. While the internal electronics are the same, you must use the appropriate mounting kit (e.g., Namur/VDI/VDE 3845) to link the positioner to the rotary shaft.

What should I check if the device shows a "Pneumatic Leak" alarm?

Check the integrity of the air supply lines and the gaskets on the pneumatic manifold. Also, verify that the instrument air quality meets ISO 8573-1 (Class 2 or 3) to prevent moisture or oil from clogging the internal I/P converter.

Engineering & Installation Guide

• Air Quality Standards: The V18345-2010460001 requires high-purity instrument air. The presence of oil or water in the air supply can lead to the "sticking" of the internal flapper-nozzle system, causing control drift. Always install a filter-regulator with a 5-micron element immediately upstream of the device.

• Vibration Mitigation: In high-vibration environments, ensure the mounting bracket is rigid. Excessive vibration can cause mechanical wear on the feedback linkage or induce noise into the electronic control loop. If vibration is unavoidable, consider using the "Remote Sensor" version of the TZIDC.

• Electrical Shielding: Always use shielded twisted-pair cables for the 4-20 mA signal. The shield should be grounded only at the control system end to prevent ground loops, which can interfere with the HART communication data packets.