Product Overview
The ABB V18345-1010421001 is a TZIDC Electro-Pneumatic Positioner designed for precise valve control in industrial automation. This intelligent positioner features an integrated indicator and operator panel, enabling easy configuration and monitoring. Its rugged aluminum housing, rated IP65 (NEMA 4X), ensures reliable operation in demanding environments. The V18345-1010421001 accepts a standard 4...20 mA two-wire input and provides analog position feedback, making it a versatile choice for both linear and rotary actuators.
Key Features & Benefits
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Intelligent Design: The TZIDC series offers configurable parameters with a clear operator panel for quick setup.
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Robust Construction: Aluminum case with electrostatic epoxy varnish, black RAL 9005, and Pantone 420 cover for corrosion resistance.
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Wide Compatibility: Mounts to linear actuators per DIN/IEC 534/NAMUR and rotary actuators per VDI/VDE 3845.
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Fail-Safe Operation: Double-acting output ensures safe positioning during power loss.
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Certified Safety: ATEX and IECEx intrinsically safe and explosion-proof approvals for hazardous areas.
Technical Specifications
| Parameter |
Value |
| Product Type |
TZIDC Electro-Pneumatic Positioner |
| Input Signal |
4...20 mA (two-wire) |
| Output Signal |
4...20 mA (nominal range) |
| Digital Input |
0...5 V DC (logical 0), 11...30 V DC (logical 1) |
| Digital Output (NAMUR) |
5...11 V DC supply |
| Supply Pressure |
1.4...6 bar (20...90 psi) |
| Air Consumption |
< 0.03 kg/h / 0.015 scfm (independent of supply pressure) |
| Housing Material |
Aluminum, IP65 / NEMA 4X |
| Pneumatic Connections |
G 1/4 or 1/4-18 NPT |
| Electrical Connection |
Thread 1/2-14 NPT |
| Weight |
1.7 kg |
| Certifications |
ATEX II 2G EEx ib IIC T6 (TÜV 98 ATEX 1370 X), ATEX II 3G EEx n A II T6 (TÜV 02 ATEX 1943 X), IECEx Ex ib IIC T6 (IECEx TUN 04.0015X) |
Applications
The ABB V18345-1010421001 excels in process control applications where precise valve positioning is critical. Typical use cases include:
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Oil & Gas: Regulating flow, pressure, and level in pipelines and refineries, especially in hazardous areas requiring intrinsic safety.
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Chemical Processing: Accurate control of corrosive media in reactors and distillation columns.
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Power Generation: Controlling steam and fuel valves in turbines and boilers.
Its double-acting fail-safe output makes it ideal for safety-critical loops where the valve must assume a safe position upon power failure.
Installation & Setup
Mount the V18345-1010421001 directly to the actuator using the appropriate bracket for linear or rotary types. Ensure the supply pressure is within 1.4...6 bar (20...90 psi) and connect the pneumatic lines to the G 1/4 or 1/4-18 NPT ports. For electrical wiring, use the 1/2-14 NPT cable entry and connect the 4...20 mA control signal. Configure the positioner via the operator panel, setting the input range and output characteristics as needed.
Maintenance & Reliability
Regularly inspect the air supply for moisture and particulates to maintain consistent performance. Check the pneumatic connections for leaks and verify the electrical connections are secure. The IP65-rated aluminum housing protects internal components from dust and water, reducing maintenance frequency. Periodically recalibrate the positioner to ensure accuracy, especially after any mechanical adjustments.
Selection Guide
When selecting the ABB V18345-1010421001, verify your actuator type and mounting requirements. Confirm the supply pressure and signal compatibility with your control system. The integrated analog feedback module (4...20 mA) is included, eliminating the need for external position transmitters. For hazardous areas, ensure the ambient temperature stays within the certified limits for the chosen temperature class (T4, T5, or T6). PLC Source PRO offers genuine ABB V18345-1010421001 units with full traceability, ensuring reliable performance for your critical processes.