Product Overview
The ABB V18345-2010421001 is a TZIDC Electro-Pneumatic Positioner designed for precise valve control in industrial automation. This intelligent, configurable unit features an indicator and operator panel, making it ideal for linear or rotary actuators in demanding process environments. With its robust aluminum housing rated IP65/NEMA 4X, the V18345-2010421001 delivers reliable performance in harsh conditions.
Key Features & Benefits
-
Intelligent configuration: The TZIDC series offers easy setup and adjustment via the built-in indicator and operator panel.
-
Dual-acting fail-safe: In case of electrical power failure, the positioner moves the valve to its safe position, ensuring process safety.
-
Analog position feedback: A plug-in module provides 4...20 mA feedback for accurate monitoring.
-
Versatile mounting: Compatible with linear actuators per DIN/IEC 534/NAMUR and rotary actuators per VDI/VDE 3845.
-
Rugged construction: Aluminum housing with electrostatic dipping varnish, black RAL 9005, and IP65/NEMA 4X protection.
Technical Specifications
| Parameter |
Value |
| Product Type |
TZIDC Electro-Pneumatic Positioner |
| Input Signal |
4...20 mA, two-wire |
| Output Signal (Nominal) |
4...20 mA |
| Supply Pressure |
1.4...6 bar (20...90 psi) |
| Air Consumption |
< 0.03 kg/h / 0.015 scfm |
| Digital Input |
0...5 V DC (logical '0'), 11...30 V DC (logical '1') |
| Digital Output (NAMUR) |
Supply voltage 5...11 V DC |
| Housing Material |
Aluminum, IP65 / NEMA 4X |
| Pneumatic Connections |
Threads G 1/4 or 1/4-18 NPT |
| Weight |
1.7 kg |
Industry Applications
The ABB V18345-2010421001 excels in industries requiring precise valve positioning, such as oil & gas, chemical processing, power generation, and water treatment. Its double-acting fail-safe configuration ensures safe shutdown in critical processes, while the analog feedback module enables accurate position monitoring for improved process control. This positioner integrates seamlessly into existing DCS or PLC systems, enhancing overall plant efficiency.
Installation & Setup Guidance
Mount the V18345-2010421001 directly onto the actuator using the appropriate bracket for linear or rotary motion. Ensure the supply air pressure is within 1.4...6 bar and connect the 4...20 mA input signal per wiring diagrams. The unit features a connector plug for LKS adapter, simplifying electrical connections. After mounting, perform an auto-calibration via the operator panel to optimize performance.
Maintenance & Reliability
Regularly inspect the air supply for moisture and contaminants, as these can affect pneumatic components. Check the position feedback module for accurate output and verify the fail-safe action periodically. The aluminum housing with IP65 protection minimizes environmental wear, but ensure gaskets remain intact. Proper maintenance extends service life and reduces downtime.
Selection Guide & Purchasing Advice
Before purchasing, verify the actuator type (linear or rotary) and required fail-safe action. The V18345-2010421001 includes an analog feedback module; consider adding a digital feedback module or shutdown module if needed. For reliable sourcing, PLC Source PRO offers genuine ABB parts with competitive pricing and fast delivery.