ABB TZIDC-200 Modules

Technical Dossier

Product Details And Specifications

ABB TZIDC-200 Series: Comprehensive Module Range and Technical Overview

The ABB TZIDC-200 series is a family of intelligent digital valve positioners engineered for precision control in heavy industrial environments. Deployed across petrochemical refineries, chemical processing plants, nuclear power facilities, and offshore oil & gas platforms, the TZIDC-200 line represents ABB's second-generation intelligent positioner platform. These units operate on the HART and FOUNDATION Fieldbus communication protocols, enabling full digital integration into distributed control systems (DCS) from ABB, Emerson, Honeywell, Yokogawa, and Siemens. The TZIDC-200 series is certified to ATEX, IECEx, and FM standards for use in Zone 1 and Zone 2 hazardous areas, making it a standard specification item in SIL 2-rated safety instrumented systems (SIS). Global installed base spans tens of thousands of units across facilities in Europe, the Middle East, Asia-Pacific, and the Americas.

The Evolution of TZIDC-200 Architecture

ABB's intelligent positioner lineage originates with the TZIDC (first generation), introduced in the late 1990s as a replacement for pneumatic and electropneumatic positioners. The TZIDC-200 platform succeeded it with a redesigned electronics module, improved auto-calibration algorithms, and expanded fieldbus compatibility. Key architectural milestones include:

• TZIDC (Gen 1, ~1998–2005): Analog 4–20 mA input, basic HART overlay, single-acting and double-acting pneumatic output. Limited diagnostic capability.
• TZIDC-200 (Gen 2, ~2005–present): Full HART 5/6/7 support, FOUNDATION Fieldbus H1 option, integrated partial stroke testing (PST), advanced valve diagnostics (friction, hysteresis, dead band), and SIL 2 certification per IEC 61508.
• V18348 sub-series: Variant designation indicating specific housing, pneumatic connection, and approval package. The V18348-10161310110 configuration corresponds to a standard single-acting unit with ATEX II 2G Ex ia IIC T6 approval, 4–20 mA/HART input, stainless steel housing, and IP66/67 ingress protection.
• Modern Successor: ABB TZIDC-210 and the TZID-C with EDP300 electronics represent the current-generation replacements, offering enhanced diagnostics and IIoT connectivity. However, TZIDC-200 units remain in active service and require ongoing spare parts and maintenance support.

TZIDC-200 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked configurations within the ABB TZIDC-200 series. Units are classified by function and pneumatic action type.

Single-Acting (Spring-Return) Positioners

• TZIDC-200 V18348-10161310110: Single-acting, HART, ATEX II 2G Ex ia IIC T6, SS housing, IP66/67
• TZIDC-200 V18348-10161310100: Single-acting, HART, ATEX II 2G Ex ia IIC T6, aluminum housing, IP66
• TZIDC-200 V18348-10161310210: Single-acting, FOUNDATION Fieldbus H1, ATEX II 2G, SS housing
• TZIDC-200 V18348-10161310200: Single-acting, FOUNDATION Fieldbus H1, ATEX II 2G, aluminum housing
• TZIDC-200 V18348-10161310310: Single-acting, HART, FM/CSA approved, SS housing, Class I Div 1
• TZIDC-200 V18348-10161310300: Single-acting, HART, FM/CSA approved, aluminum housing

Double-Acting Positioners

• TZIDC-200 V18348-10162310110: Double-acting, HART, ATEX II 2G Ex ia IIC T6, SS housing, IP66/67
• TZIDC-200 V18348-10162310100: Double-acting, HART, ATEX II 2G, aluminum housing, IP66
• TZIDC-200 V18348-10162310210: Double-acting, FOUNDATION Fieldbus H1, ATEX II 2G, SS housing
• TZIDC-200 V18348-10162310200: Double-acting, FOUNDATION Fieldbus H1, ATEX II 2G, aluminum housing
• TZIDC-200 V18348-10162310310: Double-acting, HART, FM/CSA approved, SS housing
• TZIDC-200 V18348-10162310300: Double-acting, HART, FM/CSA approved, aluminum housing

SIL / Safety-Rated Variants

• TZIDC-200 V18348-10161310115: Single-acting, HART, SIL 2 certified, ATEX, SS housing, with PST function
• TZIDC-200 V18348-10162310115: Double-acting, HART, SIL 2 certified, ATEX, SS housing, with PST function
• TZIDC-200 V18348-10161310215: Single-acting, FOUNDATION Fieldbus, SIL 2, ATEX, SS housing
• TZIDC-200 V18348-10162310215: Double-acting, FOUNDATION Fieldbus, SIL 2, ATEX, SS housing

Sourcing Hard-to-Find & Obsolete TZIDC-200 Parts

The TZIDC-200 series has entered the mature-to-declining phase of its product lifecycle. ABB has transitioned active development to successor platforms; however, the TZIDC-200 remains installed in large quantities at facilities with 15–25 year maintenance cycles. Replacement of entire valve assemblies is cost-prohibitive, making spare positioner units and sub-assemblies a critical procurement category.

DriveKNMS maintains a dedicated inventory of TZIDC-200 units sourced from decommissioned plant equipment, authorized surplus channels, and factory-new old stock (NOS). Our sourcing network covers the full V18348 sub-series, including configurations that ABB no longer manufactures to order. For end-users requiring lifecycle extension support, DriveKNMS provides:

• Unit-level availability checks within 24 hours for any TZIDC-200 part number
• Cross-reference matching from obsolete configurations to available equivalents
• Batch procurement for planned maintenance shutdowns (TAR/turnaround support)
• Export documentation for international shipments (CE, ATEX certificates included)

Quality Control for the TZIDC-200 Range

The TZIDC-200 positioner integrates a pneumatic amplifier, position feedback potentiometer, microprocessor-based control electronics, and a HART/FF communication module within a single enclosure. Each of these subsystems requires independent verification before a unit is released for field installation.

DriveKNMS applies the following test protocol to all TZIDC-200 units:

• Pneumatic leak test: Supply port, output port(s), and exhaust verified at rated supply pressure (1.4–7 bar / 20–105 psi) using calibrated pressure decay method.
• Position feedback calibration: Potentiometer linearity verified across full 0–100% travel range; auto-calibration routine executed via HART communicator (DD loaded).
• 4–20 mA input response: Step input test at 0%, 25%, 50%, 75%, 100% setpoints; response time and overshoot recorded.
• HART communication verification: Device descriptor (DD) interrogation, universal command set (CMD 0, 1, 2, 3) confirmed; device-specific commands for diagnostic data retrieval tested.
• FOUNDATION Fieldbus block execution (FF units): Transducer block, AO function block, and PID block instantiation verified; link active scheduler (LAS) participation confirmed.
• Partial stroke test (SIL units): PST executed per IEC 61511 requirements; proof test coverage documented.
• Enclosure integrity: IP66/67 seal inspection; cable entry threads and cover gaskets inspected and replaced if degraded.