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User's Manual AXF Magnetic Flowmeter Integral ... - Yokogawa

User's Manual AXF Magnetic Flowmeter Integral ... - Yokogawa

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CONTENTS<br />

5.2 Removing, Cleaning, and Installing Replaceable Electrodes<br />

(General-Purpose Use Type Only) ................................................................. 5-2<br />

5.2.1 Removing Replaceable Electrodes .......................................................... 5-2<br />

5.2.2 Cleaning Replaceable Electrodes ............................................................ 5-3<br />

5.2.3 Installing Replaceable Electrodes ............................................................ 5-4<br />

5.3 Removing and Installing Adapters for Sanitary Types .................................. 5-5<br />

5.4 Components Replacement (<strong>Integral</strong> <strong>Flowmeter</strong> Only) ................................... 5-7<br />

5.4.1 Fuse Replacement .................................................................................... 5-7<br />

5.4.2 Display Unit Replacement ....................................................................... 5-7<br />

5.4.3 Amplifier Replacement ............................................................................ 5-8<br />

5.5 Setting of Switches (<strong>Integral</strong> <strong>Flowmeter</strong> Only) ............................................. 5-9<br />

5.5.1 Setting of Burnout Switch ....................................................................... 5-9<br />

5.5.2 Setting of Write Protect Switch ............................................................. 5-10<br />

5.6 Regular Inspection Items .............................................................................. 5-10<br />

5.7 Excitation Coil and Insulation Resistance Check (Remote Flowtube Only) 5-10<br />

5.8 Troubleshooting............................................................................................. 5-12<br />

5.8.1 No Indication ......................................................................................... 5-12<br />

5.8.2 Unstable Zero......................................................................................... 5-13<br />

5.8.3 Disagreement Between Indication and Actual Flow.............................. 5-14<br />

6. OUTLINE................................................................................................................. 6-1<br />

7. PED (PRESSURE EQUIPMENT DIRECTIVE)................................................. 7-1<br />

8. EXPLOSION PROTECTED TYPE INSTRUMENT ......................................... 8-1<br />

8.1 CENELEC ATEX (KEMA) ........................................................................... 8-1<br />

8.2 FM ................................................................................................................... 8-4<br />

8.3 CSA ................................................................................................................. 8-5<br />

8.4 IECEx .............................................................................................................. 8-7<br />

8.5 TIIS .................................................................................................................. 8-8<br />

INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS FLAMEPROOF<br />

EQUIPMENT ......................................................................................................... EX-B03E<br />

REVISION RECORD<br />

1. General ................................................................................................................ 1<br />

2. Electrical Apparatus of Flameproof Type of<br />

Explosion-Protected Construction ...................................................................... 1<br />

3. Terminology ........................................................................................................ 1<br />

4. Installation of Flameproof Apparatus ................................................................. 2<br />

5. External Wiring for Flameproof Apparatus......................................................... 2<br />

6. Maintenance of Flameproof Apparatus ............................................................... 3<br />

7. Selection of Cable Entry Devices for Flameproof Type ..................................... 3<br />

ii<br />

IM 01E20D01-01E

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