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Alfa Laval ThinkTop Digital 8 User Manual

Alfa Laval ThinkTop Digital 8
33 pages
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IM70824-GB6 2002-12
ThinkTop
®
Digital 8 - 30 VDC PNP/NPN
Instruction Manual
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Alfa Laval ThinkTop Digital 8 Specifications

General IconGeneral
Supply voltage24 V DC
Number of sensorsUp to 3
Valve position feedbackYes
Communication ProtocolsEthernet/IP
Operating temperature-20°C to +70 °C
Protection ClassIP66

Summary

Declaration of Conformity

1. Safety

1.1 Important information

General important information and warnings for safe operation.

1.2 Warning signs

Explanation of warning signs used in the manual.

1.3 Safety precautions

Specific safety precautions for installation and maintenance.

2. General information

2.1 Digital in general

Explanation of the digital aspects and functionality of the ThinkTop®.

3. Technical specifications

3.1 ThinkTop®, PLC 8-30 VDC interface

Technical details for the ThinkTop® interface with PLC systems.

3.1.1 "No Touch" sensor system

Description of the "No Touch" sensor system for valve stem position detection.

Valve Programmes and Features

Details on tolerance programmes, self-adjustment, and maintenance monitoring.

3.1.2 Sensor System Specifications

Specific technical parameters of the sensor system.

Connectivity and Power Details

Information on terminals, power supply, and polarity selection.

Feedback Signals and External Sensors

Information on feedback signals and the use of external sensors.

4. Installation

4.1 Installation on air actuators

Step-by-step guide for installing the ThinkTop® on air actuators.

4.2 Installation on Series 700 valves

Instructions for installing the ThinkTop® on Series 700 valves.

4.3 Air connections

Details on how to connect the air tubes to the ThinkTop® unit.

4.4 Electrical connection, internal

Instructions for internal electrical connections of the ThinkTop®.

4.5 Example of connecting power supplies

Examples illustrating how to connect power supplies to the system.

5. Setup diagram

5.1 ThinkTop® setup utilising IR keypad

Diagram and steps for setting up the ThinkTop® using an IR keypad.

5.2 ThinkTop® setup utilising local 'I' and 'II' keys

Diagram and steps for setting up the ThinkTop® using local 'I' and 'II' keys.

6. Fault finding

6.1 Fault finding and LEDs

Guide to diagnosing faults using LED indications and troubleshooting steps.

7. Maintenance

7.1 Dismantling of ThinkTop®

Step-by-step instructions for dismantling the ThinkTop® unit.

7.2 Assembly of ThinkTop®

Step-by-step instructions for assembling the ThinkTop® unit.

7.3 Dismantling and assembly of Series 700 Valves

Procedures for dismantling and assembling Series 700 valves.

8. Parts list

8.1 ThinkTop® Digital 8-30 VDC PNP/NPN

Parts list and exploded drawing for the Digital 8-30 VDC PNP/NPN model.

8.2 ThinkTop® Series 700 valves

Parts list and exploded drawing for Series 700 valves.

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