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IM 1F5B2-01E
Contents
1. INTRODUCTION ................................................................................................... 1-1
2. HANDLING PRECAUTIONS............................................................................... 2-1
2.1 Cross-check of the Model Code and Specifications ...................................... 2-1
2.2 Precautions Regarding Transportation............................................................ 2-1
2.3 Precautions Regarding Storage Location........................................................ 2-2
2.4 Precautions Regarding Installation Location .................................................. 2-2
2.5 Precautions Regarding Pipelines..................................................................... 2-3
2.6 Precautions Regarding Use of Transceivers ................................................... 2-4
2.7 Precautions Regarding Insulation Resistance and Withstanding
Voltage Tests................................................................................................... 2-4
2.8 Notes on JIS Flameproof Flowmeters ............................................................ 2-5
2.9 Installation Precautions for CENELEC (KEMA) Intrinsic Safty .................. 2-5
2.10 Installation Precautions for CENELEC (KEMA) Explosionproof ................ 2-6
3. COMPONENTS OF ULTRA YEWFLO ............................................................. 3-1
4. MOUNTING ............................................................................................................ 4-1
4.1 Piping Precautions........................................................................................... 4-1
4.2 Mounting ULTRA YEWFLO ......................................................................... 4-7
4.2.1 Mounting a Wafer Type of ULTRA YEWFLO.................................. 4-7
4.2.2 Installing a Flange Type of ULTRA YEWFLO ............................... 4-10
4.3 Mounting remote type converter................................................................... 4-12
4.4 Repositioning the Indicator/Totalizer Component ....................................... 4-12
4.5 Swiveling the Indicator/Totalizer Component.............................................. 4-13
4.6 Insulating the Piping ..................................................................................... 4-14
5. WIRING ................................................................................................................... 5-1
5.1 Selecting the Cable ......................................................................................... 5-1
5.2 Connecting Field Mounting Indicator (applies to analog output only) ......... 5-2
5.3 Wiring.............................................................................................................. 5-3
5.4 Grounding........................................................................................................ 5-5
5.5 Signal cable end finish procedure................................................................... 5-6
5.6 Power Supply Voltage and Load Resistance.................................................. 5-7
5.7 Pulse output ..................................................................................................... 5-8
5.8 Simultaneous Analog-Pulse Output ................................................................ 5-9
6. PREPARING FOR OPERATION ........................................................................ 6-1
6.1 Checking the Flowrate Range......................................................................... 6-1
6.2 Pressure Loss and Cavitation .......................................................................... 6-3
6.3 Zero Adjustment.............................................................................................. 6-3
6.4 Resetting totalized value ................................................................................. 6-3
6.5 Action Against Power Failure......................................................................... 6-4
6.6 Precautions During Startup ............................................................................. 6-4
4th Edition: Mar. 2004 (YG)
All Rights Reserved, Copyright © 1997, Yokogawa Electric Corporation
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