Technical Dossier
Product Details And Specifications
ABB TZIDC-200 Series Technical Notes
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.
- 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.