V18345-2010421001 Positioner – ABB TZIDC 4-20mA IP65 Valve

Product Overview – V18345-2010421001

• Type: Electro-Pneumatic Positioner
• Brand: ABB
• Model: V18345-2010421001
• Series: TZIDC
• Input: 4…20 mA (two-wire)
• Output: Double-acting, fail-safe
• Housing: Aluminum, IP65 / NEMA 4X
• Display: Configurable with indicator & operator panel

Technical Data – Tree Structure

• Electrical
  • Input: 4…20 mA (two-wire)
  • Digital input: 0…5 V = OFF, 11…30 V = ON
  • Digital output: 5…11 V DC (NAMUR)
  • Supply pressure: 1.4…6 bar (20…90 psi)
  • Air consumption: < 0.03 kg/h
• Options & Feedback
  • Analog feedback: 4…20 mA (configurable)
  • Digital feedback: 2 switches (NAMUR)
  • Shutdown module: 24 V DC, SIL rated
  • Proximity switches: 2 (adjustable 0…100 %)
• Physical & Environmental
  • Housing: Aluminum, epoxy varnish
  • Color: Black (RAL 9005), cover Pantone 420
  • Protection: IP65 / NEMA 4X
  • Weight: 1.7 kg
  • Connections: 1/2-14 NPT (cable), 1/4-18 NPT (air)
• Fail-Safe Modes
  • Fail-safe: Output 1 depressurized, valve moves to safe position
  • Fail-freeze: Outputs closed, valve stays in position

Expert Review

V18345-2010421001 offers precise valve control with 4-20 mA input. The double-acting output handles large actuators. The shutdown module adds safety for critical processes. Its rugged IP65 housing suits harsh plants. A reliable choice for process automation.

Manager’s Insight

This positioner simplifies commissioning with auto-calibration. The modular design lets you add feedback options. Use it for control valves in chemical, oil, or power plants. The fail-safe feature protects equipment during power loss.

Compatible Devices & Applications

• Actuators: Linear (DIN/IEC 534) and rotary (VDI/VDE 3845)
• Valves: Globe, butterfly, ball, and other control valves
• Industries: Oil & gas, chemical, power, water treatment
• Applications: Flow, pressure, temperature, and level control

Comparison – Similar Models

• V18345-2010421000 – without analog feedback
• V18345-1010421001 – single-acting, same features
• TZIDC-200 – digital version with HART

FAQ – Professional Questions

• Q: What input signal does this positioner accept?
• A: 4…20 mA (two-wire).
• Q: Is it suitable for rotary actuators?
• A: Yes, mounts to VDI/VDE 3845 rotary actuators.
• Q: What is the maximum supply pressure?
• A: 6 bar (90 psi).
• Q: Does it have analog position feedback?
• A: Yes, plug-in module for 4…20 mA output.
• Q: What is the fail-safe action?
• A: Double-acting, fail-safe (output 1 depressurized).

Experience-based FAQ & Selection Guide

• Q: Why does the valve not move smoothly?
• A: Check the supply pressure and initialize the positioner.
• Q: Can I use this in a hazardous area?
• A: This version is without explosion protection (check options).
• Q: How to calibrate the positioner?
• A: Use the operator panel to run auto-calibration.
• Q: What is the digital output for?
• A: It provides a NAMUR signal for position feedback.
• Q: Can I add a shutdown module later?
• A: Yes, it is a plug-in option.
• Q: How to mount it on a linear actuator?
• A: Use the bracket according to DIN/IEC 534 / NAMUR.

Selection Guide – What to Consider

• Actuator type: Choose linear or rotary mounting option.
• Action: Double-acting for large actuators, single-acting for spring-return.
• Feedback: Add analog (4-20 mA) or digital (NAMUR) as needed.
• Safety: Add shutdown module for SIL-rated applications.
• Environment: IP65 / NEMA 4X for outdoor or washdown areas.

Warranty, Shipping & Support

• Warranty: 12 months against manufacturing defects.
• Dispatch: 12–24 hours after order confirmation.
• Couriers: FedEx, UPS, DHL (express delivery).

Contact Information

For inquiries: sales@powergearx.com
WhatsApp: +86 18030005825

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