Product Overview

The ABB V18345-2010521501 is a TZIDC electro-pneumatic positioner. This device controls pneumatic valve actuators with precision. It accepts a standard 4 to 20 mA input signal. The ABB V18345-2010521501 features robust aluminum construction for industrial environments. Users trust this positioner for reliable valve positioning in critical processes.

Technical Specifications

The V18345-2010521501 delivers precise electro-pneumatic positioning with HART communication. Below are the complete technical details.

General Specifications

• Manufacturer: ABB for industrial automation reliability.

• Product Type: TZIDC Electro-Pneumatic Positioner.

• Product Number: V18345-2010521501 for precise identification.

• Weight: 1.7 kg for robust construction.

• Well-Proven Technology: Reliable operation in demanding applications.

• Low Operating Cost: Efficient design reduces maintenance needs.

Case and Mounting Configuration

• Case Material: Aluminum, varnished for corrosion resistance.

• Case Option Code: 20 indicates this configuration.

• Mechanical Position Indicator: Included for local position viewing.

• Linear Actuator Mounting: Compliant with DIN/IEC 534/NAMUR standards.

• Rotary Actuator Mounting: Compliant with VDI/VDE 3845 standards.

• Design Option: 1 = Standard varnish and coding.

Input and Communication

• Input Type: 4 to 20 mA, two-wire analog signal.

• Input/Communication Port Option: 1 for this configuration.

• Maximum Input: 25 mA / 30 V.

• Minimum Operating Current (without feedback): 3.4 mA.

• Minimum Operating Current (with feedback): 3.5 mA.

• Start-Up Current: From 3.8 mA.

• Load Voltage at 20 mA: 8.7 V DC (non-explosion protected).

• Impedance at 20 mA: 435 ohms (non-explosion protected).

• Communication Protocol: HART Protocol 5.1 for digital communication.

• Local Connector: For LKS (local communication interface) adapter.

• HART Access: Via 20 mA signal line with optional FSK modem.

Output Configuration

• Output/Safe Position Option: 5 = Double acting, fail freeze.

• Output Pressure Range: 0 to 6 bar (0 to 90 psi).

• Air Capacity (at 1.4 bar supply): 5.0 kg/h = 3.9 Nm³/h = 2.3 scfm.

• Air Capacity (at 6 bar supply): 13 kg/h = 10 Nm³/h = 6.0 scfm.

• Output Function: For single or double acting actuators.

• Failure Behavior: Air is vented or actuator is blocked on power failure.

Connections

• Electrical Cable Entry: 1/2-14 NPT thread.

• Air Pipe Connection: 1/4-18 NPT thread.

• Connections Option: 2 for this configuration.

Option Modules and Feedback

• Analog Feedback Module: Plug-in module for 4 to 20 mA, two-wire.

• Analog Feedback Option: 1 for this configuration.

• Digital Feedback Mechanical Kit: With 24 V DC/AC microswitches (change-over contacts).

• Digital Feedback Option: 50 for this configuration.

Explosion Protection and Safety

• Explosion Protection Option: 0 = Without.

• ATEX Approvals: Ex II 2G EEx ib IIC T6 and Ex II 3G EEx n A II T6.

• FM Approvals: Intrinsically safe for Class I, II, III, Div. 1 and Div. 2.

• CSA Approvals: Intrinsically safe; Enclosure 4X; T4, max 85°C.

• IECEx Approvals: Ex ib IIC T6 certified.

• SIL2 Capability: For safety loops requiring integrity.

Digital Input and Output Specifications

• Digital Input Control Voltage: 24 V DC (12 to 30 V DC).

• Digital Input Logic 0: 0 to 10 V DC.

• Digital Input Logic 1: 12 to 30 V DC.

• Digital Input Max Current: 4 mA.

• Digital Output Supply Voltage: 5 to 11 V DC.

• Digital Output Logic 0 Current: Less than 1.0 mA.

• Digital Output Logic 1 Current: Greater than 2.0 mA.

• Digital Output Direction: Configurable for normally logic 0 or logic 1.

Performance Specifications

• Characteristic Deviation: ≤ 0.5% for accurate positioning.

• Tolerance Band: 0.3 to 10%, adjustable.

• Dead Band: 0.1 to 10%, adjustable.

• Resolution (A/D Conversion): Greater than 4000 steps.

• Sample Rate: 20 msec for fast response.

• Temperature Influence: ≤ 0.5% per 10°C change.

• Vibration Influence: ≤ ±1% up to 10 g and 80 Hz.

• Seismic Requirements: Meets DIN/IEC 68-3-3 Class III for strong earthquakes.

• Mounting Orientation Influence: No effect on performance.

Characteristic Curve Options

• Linear: Direct signal to position relationship.

• Equal Percentage 1:25 for specific control applications.

• Equal Percentage 1:50 for specific control applications.

• Equal Percentage 25:1 for specific control applications.

• Equal Percentage 50:1 for specific control applications.

• Freely Configurable: Up to 20 reference points for custom curves.

Travel and Positioning Specifications

• Shut-Off Values (End Position 0%): 0 to 45%.

• Shut-Off Values (End Position 100%): 55 to 100%.

• Angle of Rotation (Used Range): 25 to 120° for rotary actuators.

• Angle of Rotation (Optional): 270° available.

• Angle of Rotation (Linear): 25 to 60°.

• Travel Limits: Freely configurable within 0 to 100%.

• Minimum Range: Greater than 20% of total travel.

• Travel Time Prolongation: 0 to 200 seconds per direction.

• Positioning Time Limit: 0 to 200 seconds monitoring parameter.

Air Supply Specifications

• Air Supply Quality: Free of oil, water, dust per DIN/ISO 8573-1.

• Pollution Class: Class 3 (max particle size 5 µm, max density 5 mg/m³).

• Oil Content: Max concentration 1 mg/m³.

• Pressure Dew Point: 10 K below operating temperature.

• Supply Pressure Range: 1.4 to 6 bar (20 to 90 psi).

• Air Consumption: Less than 0.03 kg/h (0.015 scfm) independent of supply pressure.

Environmental Specifications

• Ambient Temperature (Operation): -40°C to +85°C.

• Ambient Temperature (with Proximity Switches): -25°C to +85°C.

• Relative Humidity (Operation): 95% annual average, condensation permissible.

• Relative Humidity (Transport/Storage): 75% annual average, non-condensing.

• Case Protection: IP65 / NEMA 4X.

• Case Finish: Electrostatic dipping varnish with epoxy resin, stove-hardened.

• Case Color: Varnished black RAL 9005, matt. Cap Pantone 420.

Electrical and Pneumatic Connections Details

• Screw Terminals (Analog Signal): Max 2.5 mm².

• Screw Terminals (Options): Max 1.0 mm².

• Cable Entry Threads: Two threads 1/2-14 NPT or M20x1.5.

• Supplied Configuration: One with cable gland, one with pipe plug.

• Pneumatic Threads: G 1/4 or 1/4-18 NPT.

Installation Guide

Follow these steps to install the ABB V18345-2010521501 correctly.

1. Mount the Positioner: Attach to linear or rotary actuator using standard mounting.

2. Connect Air Supply: Provide clean, dry instrument air at 1.4 to 6 bar.

3. Connect Pneumatic Lines: Attach to 1/4-18 NPT ports for actuator control.

4. Wire Analog Input: Connect 4 to 20 mA signal to screw terminals.

5. Wire HART Communication: Use FSK modem on the 20 mA line if needed.

6. Connect Digital I/O: Wire digital input and output as required.

7. Install Feedback Modules: Plug in analog or digital feedback options.

8. Apply Power: Positioner draws power from 4 to 20 mA loop.

9. Verify Minimum Current: Ensure signal exceeds 3.5 mA for operation.

10. Configure Parameters: Use single push-button for easy commissioning.

11. Set Travel Limits: Configure min and max limits within 0 to 100%.

12. Test Operation: Verify positioning accuracy and fail freeze behavior.

Installation Notes

• Do not expose terminals to mechanical strain.

• Ensure air supply meets DIN/ISO 8573-1 Class 3 requirements.

• The fail freeze output holds actuator position on power failure.

• Ambient temperature range is -40°C to +85°C for standard operation.

• Double acting configuration requires both OUT1 and OUT2 connections.

Packaging List

This unit ships as a new and original product.

• ABB V18345-2010521501 TZIDC Electro-Pneumatic Positioner

• Mechanical position indicator (pre-installed)

• Cable gland for 1/2-14 NPT entry

• Pipe plug for second 1/2-14 NPT entry

• Product instruction manual with HART configuration guide

• Factory sealed anti-static packaging box

Frequently Asked Questions (FAQ)

1. What does fail freeze mean on the V18345-2010521501?
Fail freeze on ABB V18345-2010521501 means the actuator holds its last position when electrical power fails. Air is neither vented nor supplied to the actuator.

2. What communication protocols does this positioner support?
The V18345-2010521501 supports HART Protocol 5.1 communication. It also has a local LKS adapter connector for configuration.

3. What is the operating temperature range for this ABB positioner?
The ABB V18345-2010521501 operates from -40°C to +85°C. With proximity switches SJ2-S1N, the range is -25°C to +85°C.

4. Does this positioner have explosion protection approvals?
The V18345-2010521501 has Explosion Protection Option 0 = Without. However, the TZIDC series carries ATEX, FM, CSA, and IECEx approvals for hazardous areas.

5. What is the minimum current required to operate this positioner?
The ABB V18345-2010521501 requires 3.5 mA minimum with analog position feedback. Without feedback, the minimum is 3.4 mA. Start-up begins at 3.8 mA.