
The ABBb TZIDC intelligent positioner, with the model number V18345 (standard model TZIDC - 100), is a sophisticated electro-pneumatic positioner. It combines high precision, adaptable control functions, and easy commissioning. It can be used for both single and double-acting actuators and offers fail-safe modes such as open/close or hold the last position. The standard model has HART communication and is compatible with PROFIBUS. There are also variant models like TZIDC - 110 (V18346 with PROFIBUS) and TZIDC - 120 (V18347 with fieldbus) for different communication requirements. It is suitable for both general and hazardous areas, with certifications like FM/ and ATEX. It features a built-in operating panel with a 2-line LCD display and four operating buttons for easy commissioning, configuration, and real-time monitoring

Advantages
Time Savings: The fully automatic determination of control parameters and their adaptation to the actuator save a significant amount of time during installation and maintenance.
Safety: Suitable for hazardous areas with FM/ and ATEX approvals. Offers fail-safe functions to ensure process safety even in demanding situations.
Versatility: Compatible with various pneumatic actuators (all sizes and types) and both linear and rotary control valves. Multiple communication options allow for easy integration into different control systems.
Cost-Effective: With its modular construction and high performance, it provides an excellent cost-performance ratio.
Category | Specifications |
Model | V18345 (Standard: TZIDC-100) Variants: TZIDC-110 (V18346, PROFIBUS), TZIDC-120 (V18347, Fieldbus) |
Type | Electro-pneumatic intelligent valve positioner |
Communication Protocols | - Standard: HART 5/HART 7, PROFIBUS compatible - Variants: PROFIBUS (TZIDC-110), Foundation Fieldbus (TZIDC-120) |
Input Signal | 4–20 mA (two-wire system) |
Actuator Compatibility | - Single-acting and double-acting actuators - Linear valves: Stroke 20–150 mm - Rotary valves: Stroke up to 125° |
Fail-Safe Modes | - Double-acting: Fail freeze (hold last position) - Single-acting: Fail to open/close or hold last position |
Mounting Standards | - Linear actuators: DIN/IEC 534/NAMUR - Rotary actuators: VDI/VDE 3845 (via standard NAMUR hardware) |
Air Supply | - Pressure: 1.4–7 bar (20–100 psi) - Air consumption: ≤ 0.03 kg/h - Air capacity: ≥ 13.5 kg/h |
Connections | - Electrical: 1/2-14 NPT, M20×1.5 - Pneumatic: 1/4-18 NPT, G1/4 |
Environmental Resistance | - Temperature: -40°C to +85°C - Protection class: IP67 - Vibration: Up to 10 g (10–80 Hz) or 2 g (300 Hz) - Shock: Up to 50 g (11 ms duration) |
Certifications | - Explosion protection: ATEX, FM/(intrinsic safety, explosion-proof) - Marine certification: DNV GL (optional) |
Display/Interface | - Built-in 2-line LCD display with 4 operating buttons - Configurable via HART, PROFIBUS, or Fieldbus |
Control Features | - Microprocessor-based automatic tuning - Dead zone adjustment - Control parameter adaptation (self-optimization) - Analog/digital feedback options |
Dimensions & Weight | - Dimensions: Approx. 240 × 150 × 100 mm (housing) - Weight: Approx. 2.5 kg (without accessories) |
Applications | - Industrial processes: Chemical, petrochemical, power generation - Valve types: Linear (globe valves), rotary (ball, butterfly valves) - Hazardous areas (ATEX/FM certified) |
Compliance | - IEC 61508 (SIL 2/3 capable, when configured with safety-related systems) - NAMUR NE 107 (diagnostics for process automation) |
