YOKOGAWA VY Series User Manual

1
IM 01F07A01-01EN
<Contents>
Vortex Flowmeter VY Series
Installation Manual
1st Edition : Feb. 2022
All Rights Reserved. Copyright © 2022, Yokogawa Electric Corporation
Contents
1. INTRODUCTION............................................ 2
1.1 Using This Instrument Safely .............................. 4
1.2 Warranty ................................................................ 7
2. HANDLING PRECAUTIONS ........................ 8
2.1 Checking Model and Specications .................. 8
2.2 Transportation and Storage Precautions .......... 8
3. INSTALLATION ........................................... 10
3.1 Installation Precautions ..................................... 10
3.2 Piping Precautions ............................................. 11
3.3 Maintenance of Piping ....................................... 16
3.4 Thermal Insulation of Cryogenic Type and
High Temperature Type ...................................... 16
3.5 Mounting Procedures ........................................ 17
4. WIRING ........................................................ 22
4.1 Load Resistance and Wiring Conditions ......... 22
4.2 Selection of Cables ............................................ 23
4.3 Connection Between Integral Type and
Remote Transmitter............................................ 24
4.4 Connecting the Vortex Flowmeter Signal
Cable (VY1C) ....................................................... 28
4.5 Terminal Processing Method of Vortex
Flowmeter Signal Cable (VY1C) ........................ 29
4.6 Wiring Procedures and Precautions ................ 30
4.7 Grounding ........................................................... 31
4.8 Lightning Protector (option code: /A) .............. 31
5. BASIC OPERATING PROCEDURES
(DISPLAY) .................................................... 32
5.1 Conguration of Display ................................... 32
6. PARAMETERS ............................................ 33
6.1 Vortex Flowmeter VY Series Parameters ......... 33
6.2 Conguration of Parameters ............................ 33
6.3 Self-Diagnostic (Error Code List) ..................... 34
6.3.1 Errors and Countermeasures ................... 34
6.3.2 Operation when an error occurs ............... 36
7. OPERATION ............................................... 39
7.1 Adjustments ........................................................ 39
7.1.1 Zero Adjustment ....................................... 39
7.1.2 Span Adjustment ...................................... 39
7.1.3 Loop Test .................................................. 39
7.1.4 Totalizer Start and Totalizer Reset
Methods .................................................... 40
7.1.5 Pulse Output (Scaling) ............................. 40
7.1.6 Setting of Burnout Setting Switch ............. 40
7.1.7 Setting the Write Protect Setting Switch ... 41
7.1.8 Operation at a Power Failure ................... 41
7.2 Adjustment for Manual Mode ............................ 41
7.2.1 Low Cut Adjustment ................................. 41
7.2.2 Zero Tuning .............................................. 41
8. ERRORS AND COUNTERMEASURES
WITH DISPLAY UNIT .................................. 43
8.1 When Error Is Large or Unstable Is Output ..... 43
8.2 Indication Drops to Zero at Certain Times ....... 44
8.3 The Indication Is Zero Even It is Flowing ......... 45
8.4 Indication When No Fluid is Flowing ............... 46
8.5 With Built-in Temperature Sensor .................... 47
9. APPLICABLE STANDARDS ...................... 48
PED (Pressure Equipment Directive) .......................... 48
Revision Information .......................................... 49
IM 01F07A01-01EN 1st Edition

YOKOGAWA VY Series Specifications

General

Brand	YOKOGAWA
Model	VY Series
Category	Measuring Instruments
Language	English