Overview

The ABB V18345-2021461001 TZIDC Electro-Pneumatic Positioner is an advanced valve positioner designed for the precise control of pneumatic linear and rotary actuators in demanding industrial applications. This electronically configurable positioner combines standard 4-20 mA analog signaling with HART communication, providing both conventional control and modern digital intelligence suitable for automation systems.

Functional Highlights

This positioner demonstrates exceptional robustness with unmatched shock and vibration immunity, capable of withstanding 10g forces up to 80 Hz, ensuring reliable operation in challenging conditions. A distinctive feature of the V18345-2021461001 is its fully automatic calibration system, which intelligently determines control parameters and adapts to each final control element's characteristics. Consequently, this capability significantly reduces commissioning time while optimizing control behavior.

The pneumatic system incorporates a proven I/P module coupled with a pneumatic amplifier that accurately converts electrical positioning signals into proportional pneumatic outputs. This setup efficiently controls a 3/3-way valve design, minimizing air consumption when maintaining position setpoints.

In terms of safety architecture, this digital positioner offers versatile configurations through four pneumatic versions supporting single-acting and double-acting actuators. Each model is available with either fail-safe or fail-freeze functionality. The fail-safe option ensures that valves move to predetermined safe positions during power loss, while the fail-freeze option maintains the current valve position during electrical failures, making it critical for maintaining plant safety and operational continuity.

Moreover, the modular design allows for exceptional flexibility, enabling system expansion and customization. The basic unit can be enhanced with optional modules, including analog or digital position feedback, shutdown modules, and mechanical position indicators. This scalability, combined with comprehensive diagnostic capabilities, establishes the V18345-2021461001 as a comprehensive solution for precise valve control across various industrial applications.

Technical Data

• Model Number: V18345-2021461001
• Module Type: TZIDC Electro-Pneumatic Positioner
• Manufacturer: ABB
• Condition: Brand New
• Weight: 1.22 kg
• Dimensions: 24 x 19 x 5.3 cm
• HS CODE: 8537101190
• Product Origin: Sweden
• Lead Time: In Stock
• Minimum Order Quantity (MOQ): 1
• Power Supply: 10.5 to 30 V DC
• Temperature Range: -40°C to +85°C
• Pressure Range: Up to 2.5 bar
• Control Accuracy: ±0.5% of span
• Shock/Vibration Immunity: Up to 10g at 80 Hz
• Enclosure Rating: IP66/NEMA 4X
• Communication Protocols: 4-20 mA with HART communication

Typical Applications

The ABB TZIDC Electro-Pneumatic Positioner is ideal for:

• Precise control of pneumatic actuators in chemical processing applications.
• Automation in oil and gas operations where reliability is crucial.
• Efficient valve control in power generation facilities requiring consistent performance.

Support & Maintenance

ABB offers extensive support for installation and maintenance of the V18345-2021461001. Our expert team can assist with integrating the positioner into your industrial systems, ensuring optimal performance for your applications.

FAQ

1. What is the weight of the V18345-2021461001 positioner?
   The positioner weighs 1.22 kg.

2. What are the dimensions of this device?
   Its dimensions are 24 x 19 x 5.3 cm.

3. What temperature range does this positioner operate in?
   It operates within a temperature range of -40°C to +85°C.

4. What communication protocols are supported by the positioner?
   It supports 4-20 mA analog signals with HART communication.

5. Is the V18345-2021461001 suitable for hazardous environments?
   Yes, it is designed for safety and reliability in demanding industrial settings.