ABB valve positioner V18345-1010421001
The introduction of the ABB valve positioner V18345-1010421001 has enabled digital communication for field actuators, and the integrated management of the entire plant has been achieved through advanced tools.
Key words:
feedback
connection
positioner
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ABB Positioner
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Detailed introduction
Introduction to ABB Valve Positioner V18345-1010421001:
The introduction of the ABB Valve Positioner V18345-1010421001 has enabled digital communication for field actuators and integrated management across the plant through advanced tools. TZID/TZID-C breaks through the traditional concept of positioners, using TEIP11 as the core component, combined with microprocessing technology and built-in communication functions. It is suitable for controlling rotary and linear valves, with high positioning accuracy and a large stroke range: linear stroke: 20~150mm, rotary: up to 125 degrees. Gas capacity ≥ 13.5kg/hour, gas consumption ≤ 0.03kg/hour, simplifying debugging through automatic zero point/range adjustment.
Here are the key features of the ABB V18345-1010421001 (TZIDC) valve positioner:
Compact, modular design: Easy to mount and integrate into existing actuator assemblies (linear or rotary).
Input signal: Standard 4–20 mA, with HART protocol for remote diagnostics and configuration.
Fail-safe function: The unit safely drives the valve to a predefined position upon loss of signal or power.
Feedback options: Built-in analog 4–20 mA position feedback module, with optional digital switches.
LCD Display and Pushbuttons: Onboard interface for quick commissioning and status indication.
Flexible mounting: Complies with DIN IEC 534/NAMUR (linear) and VDI/VDE 3845 (rotary) standards.
Ingress protection: Rugged housing rated IP65 / NEMA 4X—well-suited for tough industrial environments.
Low air consumption: Optimized pneumatic design reduces operating costs over time.
Wide application range: Suitable for use in chemical, power, oil & gas, and water treatment industries.
| Parameter | Specification |
|---|---|
| Model | V18345-1010421001 |
| Positioner Type | Electro-pneumatic, digital, HART-enabled |
| Input Signal | 4–20 mA (two-wire), with HART communication |
| Mounting Compatibility | Linear (IEC 534/NAMUR) & Rotary (VDI/VDE 3845) |
| Air Supply Pressure | 1.4 to 6.0 bar (20 to 87 psi) |
| Pneumatic Output | Double-acting |
| Fail-Safe Function | Configurable fail-to-position on signal loss |
| Feedback Output | 4–20 mA analog, optional digital feedback |
| Manual Interface | LCD with pushbuttons for local setup |
| Protection Class | IP65 / NEMA 4X |
| Material (Housing) | Coated aluminum |
| Ambient Temperature Range | –40°C to +80°C (depends on version) |
| Air Connection | 1/4"-18 NPT |
| Cable Entry | 1/2"-14 NPT |
| Certifications | CE, ATEX, IECEx (varies by model configuration) |
Frequently Asked Questions – ABB V18345-1010421001 (TZIDC)
1. What type of signal does the positioner accept?
It accepts a 4–20 mA analog signal and supports HART communication for remote diagnostics and configuration.
2. Can it be used with both linear and rotary actuators?
Yes, it supports linear actuators (DIN IEC 534/NAMUR) and rotary actuators (VDI/VDE 3845).
3. Is it suitable for hazardous environments?
Yes, depending on the configuration, it can be certified for ATEX, IECEx, FM, and CSA environments.
4. How is the fail-safe function configured?
The fail-safe mode can be set to drive the valve to a predefined safe position upon signal or power loss.
5. What is the operating temperature range?
Typically from –40°C to +80°C, depending on the specific model variant.
6. Does it support local configuration?
Yes, it features an LCD display with pushbuttons for local setup and diagnostics.
7. What kind of feedback does it provide?
It includes 4–20 mA analog feedback and optional digital limit switches.
8. How do I install and calibrate it?
Installation involves mounting to the actuator, connecting air and signal lines, and performing an auto-calibration via the onboard interface or HART tools.
9. What maintenance is required?
Minimal. Periodic checks for air leaks, signal integrity, and recalibration are recommended for optimal performance.
10. Where can I find the official datasheet?
You can access it on or view the .
Common product models of ABB Valve Positioner V18345 series:
| Model | Mounting | Output Type | Fail-Safe Mode | Feedback Module | Certifications |
|---|---|---|---|---|---|
| V18345-1010121001 | Linear/Rotary | Single-acting | Fail-safe | Analog (4–20 mA) | Standard (non-Ex) |
| V18345-1010221001 | Linear/Rotary | Single-acting | Fail-freeze | Analog (4–20 mA) | Standard (non-Ex) |
| V18345-1010421001 | Linear/Rotary | Double-acting | Fail-safe | Analog (4–20 mA) | Standard (non-Ex) |
| V18345-1010521001 | Linear/Rotary | Double-acting | Fail-freeze | Analog (4–20 mA) | Standard (non-Ex) |
| V18345-2010121001 | Linear/Rotary | Single-acting | Fail-safe | Analog (4–20 mA) | ATEX / IECEx certified |
| V18345-2010221001 | Linear/Rotary | Single-acting | Fail-freeze | Analog (4–20 mA) | ATEX / IECEx certified |
| V18345-2010421001 | Linear/Rotary | Double-acting | Fail-safe | Analog (4–20 mA) | ATEX / IECEx certified |
| V18345-2010521001 | Linear/Rotary | Double-acting | Fail-freeze | Analog (4–20 mA) | ATEX / IECEx certified |
| V18345-2011221001 | Linear/Rotary | Single-acting | Fail-freeze | Analog + Digital Switches | ATEX / IECEx certified |
| V18345-2017221001 | Linear/Rotary | Double-acting | Fail-freeze | Analog + Digital Switches | ATEX / IECEx certified |
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