Yokogawa AXFA14G/C Uživatelský manuál Strana 4

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CONTENTS
IM 01E20C02-01E
9. ACTUAL OPERATION ......................................................................................... 9-1
9.1 Pre-operation Zero Adjustment ....................................................................... 9-1
9.1.1 Zero Adjustment Using Display Unit Switches ....................................... 9-2
9.1.2 Zero Adjustment via External Status Input .............................................. 9-3
10. MAINTENANCE .................................................................................................. 10-1
10.1 Maintenance .................................................................................................. 10-1
10.1.1 Fuse Replacement .................................................................................. 10-1
10.1.2 Changing the Direction of the Display Unit .......................................... 10-1
10.2 Setting of Switches ....................................................................................... 10-3
10.2.1 Setting of Burnout Switch ..................................................................... 10-3
10.2.2 Setting of Write Protect Switch ............................................................. 10-3
10.3 Troubleshooting ............................................................................................. 10-4
10.3.1 No Indication ......................................................................................... 10-4
10.3.2 Unstable Zero......................................................................................... 10-5
10.3.3 Disagreement Between Indication and Actual Flow.............................. 10-6
11. OUTLINE............................................................................................................... 11-1
12. EXPLOSION PROTECTED TYPE INSTRUMENT ....................................... 12-1
12.1 ATEX ............................................................................................................ 12-1
12.2 FM ................................................................................................................. 12-2
12.3 CSA ............................................................................................................... 12-3
12.4 IECEx ............................................................................................................ 12-4
12.5 TIIS ................................................................................................................ 12-5
INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS FLAMEPROOF
EQUIPMENT .......................................................................................................................1
1. General ................................................................................................................ 1
2. Electrical Apparatus of Flameproof Type of
Explosion-Protected Construction ....................................................................... 1
3. Terminology ........................................................................................................ 1
4. Installation of Flameproof Apparatus ................................................................. 2
5. External Wiring for Flameproof Apparatus......................................................... 2
6. Maintenance of Flameproof Apparatus ............................................................... 3
7. Selection of Cable Entry Devices for Flameproof Type ..................................... 3
REVISION RECORD ......................................................................................................... 1
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