Yokogawa EXAxt SC450 4-Wire Analyzer for Conductivity/Resistivity - Manual (Page 5)

IM 12D08N05-01E
iii
IM 12D08N05-01E
4th Edition: Mar. 2012 (YK)
All Rights Reserved, Copyright © 2007, Yokogawa Electric Corporation
TABLE OF CONTENTS
PREFACE
1. INTRODUCTION AND GENERAL DESCRIPTION .....................................................1
1-1. Instrument check ...................................................................................................1
1-2. Application .............................................................................................................1
2. GENERAL SPECIFICATIONS OF EXAxt SC450G .....................................................2
3. INSTALLATION AND WIRING .....................................................................................5
3-1. Installation and dimensions ...................................................................................5
3-1-1. Installation site ..........................................................................................5
3-1-2. Mounting methods .....................................................................................5
3-2. Wiring ....................................................................................................................7
3-2-1. Preparation ................................................................................................7
3-2-2. Cables, Terminals, glands and conduit adapter .......................................8
3-3. Wiring the power supply ........................................................................................9
3-3-1. General precautions ..................................................................................9
3-3-2. Access to terminal and cable entry .........................................................10
3-3-3. AC power ................................................................................................10
3-3-4. DC power ................................................................................................10
3-3-5. Grounding the housing ............................................................................10
3-3-6. Switching on the instrument ....................................................................10
3-4. Wiring the contact signals.................................................................................... 11
3-4-1. General precautions ................................................................................11
3-4-2. Contact outputs. ......................................................................................11
3-4-3. Contact input ...........................................................................................11
3-5. Wiring the mA-output signals............................................................................... 11
3-5-1. General precautions ................................................................................11
3-5-2. Analog output signals ..............................................................................11
3-6. Wiring of sensors .................................................................................................12
3-6-1. Sensor cable connections using junction box (BA10) and ........................
extension cable (WF10) ..........................................................................13