ABB V18345-1004210001 Smart Positioner | 4-20mA SIL2 Certified

V18345-1004210001 – ABB Electro-Pneumatic Positioner

Brand: ABB | Model: V18345-1004210001 | Type: Electro-Pneumatic Positioner

Smart positioner for linear and rotary actuators. 4-20 mA input, HART communication. IP65/NEMA 4X aluminum housing. Wide temperature range -40…85 °C. ATEX, FM, CSA, IECEx approved.

Key Features

• 4-20 mA input – two-wire technology
• HART Protocol 5.1 – easy configuration and diagnostics
• Wide temp range – -40…85 °C operation
• Rugged housing – IP65/NEMA 4X aluminum
• Fail-freeze function – holds position on power loss
• Global approvals – ATEX, FM, CSA, IECEx, SIL2

Technical Specifications

• General
  • Manufacturer: ABB
  • Model: V18345-1004210001
  • Type: Electro-pneumatic positioner
  • Case: Aluminum, varnished, IP65/NEMA 4X
  • Weight: 1.7 kg
• Input
  • Signal: 4…20 mA (two-wire)
  • Min. current: 3.4 mA (no feedback) / 3.5 mA (with feedback)
  • Start-up: 3.8 mA
  • Load voltage at 20 mA: 8.7 V DC (standard) / 9.7 V (intrinsic safe)
  • Impedance: 435 Ω (standard) / 485 Ω (intrinsic safe)
  • Digital input: 24 V DC (12-30 V), max 4 mA
  • Digital output: NAMUR (DIN 19234)
• Output
  • Pressure range: 0…6 bar (0…90 psi)
  • Air capacity (1.4 bar): 5.0 kg/h
  • Air capacity (6 bar): 13 kg/h
  • Output function: Single or double acting
  • Fail-safe: Fail-freeze (holds position)
  • Shut-off values: 0-45% (0%) / 55-100% (100%)
• Performance
  • Characteristic deviation: ≤0.5%
  • Dead band: 0.1…10% (adjustable)
  • Tolerance band: 0.3…10%
  • Resolution: >4000 steps (A/D conversion)
  • Sample rate: 20 ms
  • Temp influence: ≤0.5% per 10°C
  • Vibration influence: ≤±1% up to 10 g / 80 Hz
• Communication
  • HART Protocol 5.1
  • Local connector: LKS adapter
  • FSK module for HART communication
• Environmental
  • Operating temp: -40…85 °C
  • Relative humidity: 95% (annual average, condensing permitted)
  • Protection class: IP65 / NEMA 4X
  • Seismic: Meets DIN/IEC 68-3-3 Class III
• Connections
  • Electrical: Screw terminals (2.5 mm² for signal)
  • Cable entry: 2 x 1/2-14 NPT or M20x1.5
  • Air pipe: 1/4-18 NPT
  • Air supply: Instrument air per DIN/ISO 8573-1 Class 3
  • Supply pressure: 1.4…6 bar (20…90 psi)
• Certifications
  • ATEX: II 2G EEx ib IIC T6 / II 3G EEx n A II T6
  • FM: Intrinsically safe, Non-incendive
  • CSA: Intrinsically safe, Enclosure 4X
  • IECEx: Ex ib IIC T6
  • SIL2 suitable

Installation & Commissioning

• Mounting: Linear (DIN/IEC 534/NAMUR) or rotary (VDI/VDE 3845).
• Wiring: Screw terminals – keep strain off cables.
• Configuration: Single push-button for auto-calibration.
• Software: HART communicator or LKS adapter + PC.
• Mechanical indicator: Shows valve position at a glance.

Compatibility & Applications

• Actuators: Linear (DIN/NAMUR) and rotary (VDI/VDE 3845).
• Valves: Globe, butterfly, ball, and other control valves.
• Typical uses: Process control, oil & gas, chemical, power, water treatment.

Package & Delivery

• Package: 1 positioner + documentation.
• Warranty: 12 months.
• Shipping: FedEx, UPS, DHL – dispatched within 12-24 hours.

Expert Review

“Reliable and accurate positioner. The single push-button auto-calibration saves time. HART communication simplifies diagnostics. The fail-freeze function adds safety.”

Manager’s Insight

“Great for harsh environments. The -40…85 °C range covers extreme conditions. Global certifications make it suitable for any region. Use it with ABB or third-party actuators.”

Application Scenarios

• Control valve positioning in process plants
• Oil and gas flow control loops
• Chemical reactor temperature control
• Power plant steam control

Comparison with Similar Models

• V18345-1004210001 – Smart positioner, HART, fail-freeze.
• V18345-1004210002 – Fail-close instead of fail-freeze.
• V18345-1004210003 – Without HART communication.
• V18345-2004210001 – Different explosion protection (EEx d).

FAQ

• What input signal does it accept?
  4-20 mA (two-wire).
• What is the fail-safe position?
  Fail-freeze – holds the current position.
• Does it support HART?
  Yes, HART Protocol 5.1 standard.
• What is the operating temperature range?
  -40 to +85 °C.
• Is it approved for hazardous areas?
  Yes, ATEX, FM, CSA, IECEx – intrinsically safe.
• Can I use it on a rotary actuator?
  Yes, mounts per VDI/VDE 3845.
• How do I configure it?
  Use the single push-button or HART communicator.
• How to choose between V18345 and TZID-C?
  V18345 is ABB’s TZID-C series – same platform, different ordering options.

Selection Guide

• For standard applications with HART: V18345-1004210001.
• For fail-close requirement: V18345-1004210002.
• For non-HART needs: V18345-1004210003.
• For explosion-proof (flameproof): V18345-2004210001.

Contact: sales@powergearx.com | +86 18030005825 (WhatsApp)

Copyright © 2026 Powergear X Automation Limited. All rights reserved.

Original Source: https://www.powergearx.com/