V18345-2021421001 ABB TZIDC Positioner | ABB Valve Positioner

V18345-2021421001 ABB TZIDC Electro-Pneumatic Positioner

Technical Specifications

• Brand: ABB
• Model: V18345-2021421001
• Series: TZIDC
• Product Type: Electro-Pneumatic Positioner
• Input Signal: 4–20 mA, two-wire technology
• Communication: HART communication via LKS adapter and FSK module
• Explosion Protection: ATEX Ex II 2 G EEx ib II C T6
• Output Action: Double acting, fail safe
• Pneumatic Connections: G 1/4 or 1/4-18 NPT
• Electrical Connection: Cable thread 1/2-14 NPT
• Supply Pressure: 1.4–6 bar (20–90 psi)
• Air Consumption: < 0.03 kg/h / 0.015 scfm, independent of supply pressure
• Housing Material: Aluminium, protection class IP 65 / NEMA 4X
• Surface Finish: Electrostatic dipping varnish with epoxy resin, stove-hardened
• Color: Case varnished black RAL 9005, matte; housing cover Pantone 420
• Weight: 1.7 kg
• Digital Input: Control voltage 0–5 V DC for logical "0", 11–30 V DC for logical "1"
• Digital Output: Control circuit to DIN 19234/NAMUR, supply voltage 5–11 V DC

Operating Parameters

• Signal Range: Minimum 4 mA, maximum 20 mA (0–100 %), freely selectable for split-range operation
• Minimum Range: 20 % (3.2 mA), recommended range > 50 % (8.0 mA)
• Action (Signal): Direct: 4–20 mA = position 0–100 %; Reverse: 20–4 mA = position 0–100 %
• Characteristic Curve: Linear, equal percentage 1:25 or 1:50 or 25:1 or 50:1, or user-configurable with 20 reference points
• Digital Input Functions: No function, move to 0 % position, move to 100 % position, hold last position, disable local configuration, disable local configuration and operation, or disable any access
• Activation: The selected function activates once the 24 V DC signal drops below 10 V DC

FAQ

• Q: What is the input signal range of this positioner?
  A: The V18345-2021421001 uses a 4–20 mA two-wire input signal.
• Q: Does this model support HART communication?
  A: Yes, it includes a connector plug for the LKS adapter and FSK module for HART communication.
• Q: What is the supply pressure range?
  A: The supply pressure range is 1.4–6 bar, which equals 20–90 psi.
• Q: What is the air consumption of this positioner?
  A: Air consumption stays below 0.03 kg/h or 0.015 scfm, independent of supply pressure.
• Q: What explosion protection does this model carry?
  A: It carries ATEX Ex II 2 G EEx ib II C T6 certification.
• Q: What is the housing protection class?
  A: The aluminium housing offers IP 65 and NEMA 4X protection.
• Q: Is this item brand new and in stock?
  A: Yes, it is brand new original, and we keep stock available for immediate order processing.
• Q: How fast do you ship, and what couriers do you use?
  A: We ship within 5 days via FedEx, UPS, or DHL.
• Q: What is your return policy?
  A: We support returns within 30 days.

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