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IM 01F06A00-01EN
Model DY Vortex Flowmeter
(Integral Type, Remote Type)
Model DYA Vortex Flow Converter
(Remote Type)
IM 01F06A00-01EN 17th Edition
17th Edition : Feb. 2014(KP)
All Rights Reserved, Copyright © 2001. Yokogawa Electric Corporation
Contents
1. INTRODUCTION ........................................................................................ 1-1
1.1 Using This Instrument Safety ..........................................................................1-2
1.2 Warranty ............................................................................................................. 1-3
1.3 ATEX Documentation ....................................................................................... 1-4
2. HANDLING PRECAUTIONS ..................................................................... 2-1
2.1 Checking Model and Speci cations ............................................................... 2-1
2.2 Transportation and Storage Precautions .......................................................2-1
3. INSTALLATION ......................................................................................... 3-1
3.1 Installation Precautions ................................................................................... 3-1
3.2 Piping Precautions ........................................................................................... 3-1
3.3 Maintenance of Piping ......................................................................................3-5
3.4 Cryogenic and High Process Temperature Version Insulation ................... 3-6
3.5 Mounting Procedures ....................................................................................... 3-6
4. WIRING ...................................................................................................... 4-1
4.1 Load Resistance of Output Condition ............................................................ 4-1
4.2 Selection of Wires ............................................................................................. 4-2
4.3 Connection ........................................................................................................ 4-2
4.4 Connection of DYC Signal Cable .................................................................... 4-5
4.5 End Processing Method of DYC Signal Cable ...............................................4-6
4.5.1 For Vortex Flowmeter (DY-N)............................................................. 4-6
4.5.2 For Vortex Flow Converter (DYA) ...................................................... 4-7
4.6 Wiring Procedures and Precautions............................................................... 4-8
4.7 Grounding .......................................................................................................... 4-9
5. BASIC OPERATING PROCEDURES ....................................................... 5-1
5.1 Display Con guration ...................................................................................... 5-1
5.2 Display Contents ............................................................................................... 5-2
5.3 Display Mode ..................................................................................................... 5-3
5.3.1 Changes to Engineering Display Unit from % Display ...................... 5-4
5.3.2 Indicate the Total Rate in the Data Display(Lower)............................ 5-5
5.4 Setting Mode ......................................................................................................5-6
5.4.1 Display Con guration of Setting Mode .............................................. 5-6
5.4.2 Data Setting Method .......................................................................... 5-7
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