V18345-2010521501 ABB TZIDC Positioner 4-20mA HART | Smart Valve Positioning

Product Highlights

• ABB V18345-2010521501 TZIDC – electro-pneumatic positioner
• Input: 4–20 mA two-wire, HART Protocol 5.1
• Output: double acting, fail freeze on power loss
• Case: aluminium, IP65 / NEMA 4X, mechanical indicator
• Temperature range: –40 to +85 °C – works in harsh conditions

Core Technical Data

• Brand: ABB
• Model: V18345-2010521501 (TZIDC series)
• Input signal: 4–20 mA (max 25 mA / 30 V)
• Min. start current: 3.8 mA
• Impedance: 435 ohms @20 mA (non-Ex) / 485 ohms (Ex)
• Output range: 0–6 bar (0–90 psi)
• Air capacity: 13 kg/h @6 bar
• Supply pressure: 1.4–6 bar (20–90 psi)
• Air consumption: < 0.03 kg/h
• Characteristic deviation: ≤ 0.5 %
• Resolution: > 4000 steps
• Sample rate: 20 msec
• Weight: 1.7 kg

Performance & Accuracy

• Range: 0–100 % travel, configurable
• Frequency response: stable under vibration up to 10 g / 80 Hz
• Sensitivity: dead band adjustable 0.1–10 %
• Linearity: linear or equal percentage (1:25, 1:50, etc.)
• Resolution: digital A/D conversion > 4000 steps
• Temperature influence: ≤ 0.5 % per 10 °C change
• Vibration resistance: meets seismic requirements (DIN/IEC Class III)
• Mounting orientation: no effect on performance

Installation & Commissioning

• Easy setup with single push-button operation
• Mounts to linear actuators (DIN/IEC 534 / NAMUR)
• Mounts to rotary actuators (VDI/VDE 3845)
• Mechanical position indicator for visual check
• Cable entry: 1/2-14 NPT or M20x1.5 threads
• Pneumatic connections: G 1/4 or 1/4-18 NPT

Maintenance & Service

• Low operating cost – proven technology
• Compact, rugged design for industrial use
• Local LKS adapter port for easy configuration
• HART communication via 20 mA signal line
• Optional analog position feedback (4–20 mA)
• Optional microswitches (24 V DC/AC) for digital feedback

Communication & Compatibility

• HART Protocol 5.1 standard
• Local connector for LKS adapter
• Digital input: 24 V DC (12–30 V DC)
• Digital output: NAMUR (DIN 19234)
• Works with single or double acting actuators
• Split range configurable (20–100 % of nominal range)

Protection & Safety

• SIL2 ready for safety loops
• Fail freeze on power loss – holds position
• Built-in shut-off values: 0–45 % and 55–100 %
• Travel time prolongation: 0–200 seconds each direction
• Positioning time limit: 0–200 seconds

Certifications

• ATEX: II 2G EEx ib IIC T6, II 3G EEx n A II T6
• FM: intrinsically safe, Class I, Div. 1, Groups A-D
• CSA: intrinsically safe, Enclosure 4X, T4
• IECEx: Ex ib IIC T6
• CE marked, EMC Directive compliant

Environmental Capabilities

• Operating temperature: –40 to +85 °C
• Storage temperature: –40 to +85 °C
• Humidity: 95 % annual average, condensation allowed
• IP65 / NEMA 4X enclosure
• Seismic: meets strong earthquake requirements

Package Contents

• 1× ABB TZIDC positioner V18345-2010521501
• Mounting kit for linear or rotary actuators
• Quick start guide and manual (digital)
• Cable gland and pipe plug

Warranty & Shipping

• 12-month warranty against defects
• Dispatch: within 12–24 hours
• Carriers: FedEx, UPS, DHL – tracking included

Expert Review

• “The TZIDC V18345 is a workhorse for valve control. Its simple push-button setup and wide temperature range make it ideal for oil, gas, and power plants. Reliable and accurate.” – Senior Instrument Engineer

Manager‘s Insight

• “This positioner offers great value. The robust aluminium case and SIL2 capability reduce downtime. For critical control loops, it‘s a smart investment.” – Product Line Manager, PowergearX

Ideal Equipment & Applications

• Control valves (linear and rotary)
• Dampers and louvers
• Actuators in process industries
• Oil & gas, chemical, and power plants
• Water treatment and HVAC systems

Target Industries

• Oil & gas upstream and downstream
• Chemical and petrochemical
• Power generation (fossil and nuclear)
• Pharmaceutical and food processing
• Pulp & paper and mining

Frequently Asked Questions

• What is the input signal range for this positioner?
  4–20 mA two-wire, max 25 mA / 30 V.
• Can I use this in a hazardous area?
  Yes, it has ATEX, FM, CSA, and IECEx approvals.
• What happens on power failure?
  Fail freeze – it holds the last position.
• Is HART communication included?
  Yes, HART Protocol 5.1 is standard.
• What is the operating temperature range?
  –40 to +85 °C – suitable for extreme environments.

Buying Guide & Selection Tips

• Choose V18345-2010521501 for 4–20 mA control with HART.
• Double acting output – perfect for large actuators.
• Fail freeze is ideal for safety-critical applications.
• Check your actuator type: linear (DIN/IEC) or rotary (VDI/VDE).
• For Ex areas, use the intrinsically safe version (9.7 V load).
• Add analog feedback or microswitches if you need remote position indication.

Compare with Similar Models

• ABB TZIDC V18345-2010521501 – 4-20mA, HART, double acting, fail freeze
• ABB TZIDC V18345-1010521501 – single acting version
• ABB TZIDC V18345-2010121501 – with explosion protection

Contact Information

• Sales Inquiries: sales@powergearx.com
• Phone / WhatsApp: +86 18030005825

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