YOKOGAWA Admag AXW, User Manual, Page: 2 / 52

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IM 01E25D11-01EN
AXW
Magnetic Flowmeter
Remote Flowtube
IM 01E25D11-01EN 2nd Edition
2nd Edition: Sep. 2013 (KP)
All Rights Reserved, Copyright © 2012, Yokogawa Electric Corporation
Contents
1. INTRODUCTION ........................................................................................ 1-1
1.1 Using the Magnetic Flowmeter Safely ............................................................1-2
1.2 Warranty .............................................................................................................1-3
1.3 Combination Remote Converters ...................................................................1-3
2. HANDLING PRECAUTIONS ..................................................................... 2-1
2.1 Checking Model and Specifications ...............................................................2-1
2.2 Storage Precautions .........................................................................................2-1
2.3 Installation Location Precautions ...................................................................2-1
3. INSTALLATION ......................................................................................... 3-1
3.1 Piping Design Precautions ..............................................................................3-1
3.2 Handling Precautions .......................................................................................3-3
3.2.1 General Precautions ..........................................................................3-3
3.2.2 Flowmeter Piping ...............................................................................3-4
3.3 Mounting Procedures .......................................................................................3-4
4. WIRING ...................................................................................................... 4-1
4.1 Wiring the Remote Flowtube ...........................................................................4-1
4.1.1 Wiring Precautions .............................................................................4-1
4.1.2 Cables ................................................................................................4-2
4.1.3 Wiring Ports .......................................................................................4-3
4.1.4 Wiring Connections ............................................................................4-4
5. MAINTENANCE ......................................................................................... 5-1
5.1 Changing Direction of Electrical Connection ................................................5-1
5.2 Regular Inspection Items .................................................................................5-2
5.3 Excitation Coil and Insulation Resistance Check ........................................5-2
5.4 Troubleshooting ................................................................................................5-3
5.4.1 No Indication ......................................................................................5-3
5.4.2 Unstable Zero ....................................................................................5-4
5.4.3 Disagreement Between Indication and Actual Flow ..........................5-5
6. OUTLINE .................................................................................................... 6-1
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STANDARD SPECIFICATIONS ........................................................................6-1
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STANDARD PERFORMANCE ..........................................................................6-1
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NORMAL OPERATING CONDITIONS ..............................................................6-2
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MODEL AND SUFFIX CODE .............................................................................6-3