1-1. Instrument check ............................................................................................ 1-1
1-2. Application ...................................................................................................... 1-3
2-1. Specifications .................................................................................................. 2-1
(FM Intrinsically safe design). .......................................................................... 2-8
(FM Intrinsically safe Entity) ........................................................................... 2-13
(FM Intrinsically safe FISCO) ......................................................................... 2-15
(FM Non-incendive Entity) ............................................................................. 2-17
(FM Non-incendive FNICO) ........................................................................... 2-18
3-1-1. Installation site .................................................................................................................3-1
3-1-2. Mounting methods ...........................................................................................................3-1
3-2. Preparation ..................................................................................................... 3-3
3-3. Wiring of sensors ............................................................................................ 3-4
3-3-1. General precautions ........................................................................................................3-4
3-4-1. General precautions ........................................................................................................3-5
3-4-3. Switching the instrument on ............................................................................................3-5
3-5. Sensor wiring .................................................................................................. 3-6
IM 12D08B02-01E
8th Edition: Oct. 2009(YK)
All Rights Reserved, Copyright © 2001, Yokogawa Electric Corporation
TABLE OF CONTENTS
IM 12D08B02-01E