ABB TZIDC Intelligent Valve Positioner with HART Communication

The ABB V18345-1021120001 is a sophisticated electro-pneumatic positioner from the TZIDC series. Engineered for North American markets, it carries FM/CSA explosion protection certification. This model features integrated HART communication for advanced device diagnostics and configuration. Its double-acting, fail-freeze output ensures process stability during electrical interruptions.

Product Highlights and Core Attributes

• The positioner includes an intelligent operator panel for local configuration and monitoring.
• It features a 4-20mA two-wire input with an LKS adapter plug for easy connection.
• An integrated FSK module enables HART protocol communication for digital asset management.
• The robust aluminum housing is rated IP65 (NEMA 4X) for harsh environments.
• This variant does not include a mechanical position indicator or analog feedback module.

Decoding Model V18345-1021120001

• Series: ABB V18345 (TZIDC) – Intelligent, configurable positioner.
• Case [10]: Aluminum IP65/NEMA 4X case, without a mechanical indicator.
• Input [2]: 4-20mA input with LKS plug and HART communication module.
• Ex Protection [1]: Certified for FM/CSA explosion-proof standards.
• Output [1]: Double-acting, fail-freeze (actuator holds last position).
• Connections [2]: Electrical: 1/2-14 NPT; Air: 1/4-18 NPT.
• Feedback [0/00]: No analog or digital position feedback modules included.

Technical Specifications

• Brand & Model: ABB V18345-1021120001 (TZIDC Series Electro-Pneumatic Positioner).
• Input Signal: 4 to 20 mA, supporting standard process control signals.
• Communication: HART protocol via integrated FSK module.
• Supply Pressure: Compatible with standard plant air, 1.4 to 6 bar (20-90 psi).
• Housing: Black aluminum (RAL 9005), IP65 / NEMA 4X protection rating.
• Electrical Terminals: Accept cables up to 2.5 mm² for signal wiring.
• Ambient Temperature: Operates from -40°C to +85°C for maximum flexibility.
• Connections: Pneumatic ports: G 1/4 or 1/4-18 NPT threads.
• Environmental Tolerance: Handles up to 95% relative humidity with condensation permitted.
• Interference Immunity: Excellent EMI/RFI resistance for reliable signal transmission.

Installation Guidelines

• Mount the positioner to linear or rotary actuators per standard industry practices.
• Ensure electrical terminals are not subjected to mechanical strain during wiring.
• Use appropriate cable glands for the 1/2-14 NPT or M20x1.5 threaded entries.
• Connect pneumatic lines to the G 1/4 or 1/4-18 NPT ports using suitable fittings.
• Refer to the comprehensive manual for detailed calibration and HART setup procedures.

Packaging and Shipping

• The package includes the ABB V18345-1021120001 positioner unit and standard mounting accessories.
• A detailed user manual covering installation and configuration is provided.
• We ship orders worldwide using reliable carriers FedEx, UPS, and DHL.

Frequently Asked Questions (FAQ)

• What certifications does the V18345-1021120001 have?
  This ABB positioner is certified for FM/CSA explosion protection, suitable for North American hazardous locations.
• What is the "fail-freeze" function?
  During an electrical power failure, the pneumatic outputs freeze, holding the actuator in its last position.
• Does this model support digital communication?
  Yes, it has a built-in FSK module for HART communication, allowing for digital setup and monitoring.
• Is a position feedback signal available?
  No, this specific configuration (codes '0' and '00') does not include an analog or digital feedback module.
• What are the cable entry options?
  It provides two threaded entries (1/2-14 NPT or M20x1.5) for flexible cable gland installation.

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