Azbil MVC10A, User Manual

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Table of Contents
Chapter 1: Configuration and structure of the measuring system
Outline of this chapter ................................................................................ 1-1
1-1: System configuration .................................................................................... 1-2
Measuring system ...................................................................................... 1-2
Introduction ........................................................................................... 1-2
Concept of flow rate measurement ....................................................... 1-2
System configuration of analog signal output (4 to 20 mA DC output) ...... 1-3
System configuration ........................................................................... 1-3
1-2: Structure and functions of components ........................................................ 1-4
Structure of this equipment ........................................................................ 1-4
Principal component devices ............................................................... 1-4
Structure of converter ................................................................................. 1-4
Principal component devices ................................................................ 1-4
Name and function of each part ................................................................ 1-5
Chapter 2: Installation of this instrument
Outline of this chapter ................................................................................ 2-1
2-1: Before starting installation ............................................................................ 2-2
Criteria for selecting the place for installation ............................................ 2-2
Introduction ........................................................................................... 2-2
Precautions in the environment ............................................................ 2-2
Piping vibration ..................................................................................... 2-2
Influence of straight pipe section lengths .............................................. 2-2
Selecting the pipe-fitting direction ......................................................... 2-2
Flow direction ........................................................................................ 2-2
2-2: Installation method ........................................................................................ 2-4
Basic installation method ........................................................................... 2-4
Introduction ........................................................................................... 2-4
An example of mounting the integral type ............................................ 2-4
Connection with remote type converter ................................................ 2-5
2-3: Electrical wiring ............................................................................................. 2-6
Introduction ........................................................................................... 2-6
Connecting positions of the main unit ................................................... 2-6
Cable specifications .............................................................................. 2-7
Cabling .................................................................................................. 2-7
Current output wire connection ............................................................. 2-7
Wiring connection of pulse output ......................................................... 2-8
Chapter 3: Operation and shut down of this instrument
Outline of this chapter ........................................................................... 3-1