Emerson FB1200 - Default Chapter; Table of Contents

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Emerson FB1200 Flow Computer Instruction Manual

D301782X012

March 2019

Contents iii

Contents

Section 1: Introduction 1

1.1 Safety Labels .......................................................................................................................................... 3

1.2 Features ................................................................................................................................................. 3

1.3 FB1200 Flow Computer Models .............................................................................................................. 4

1.3.1 FB1200 Flow Computer (with Multi-variable or Static Pressure Sensor) ........................................ 4

1.3.1 FB1200 Flow Computer (without Integral Sensor) ....................................................................... 5

1.4 Central Processing Unit (CPU) ................................................................................................................. 5

1.4.1 Memory ...................................................................................................................................... 5

1.5 Explosion-proof Enclosure ...................................................................................................................... 5

1.5.1 Physical Security ......................................................................................................................... 6

1.6 I/O .......................................................................................................................................................... 7

1.7 Power Options........................................................................................................................................ 7

1.8 Communications .................................................................................................................................... 8

1.9 Human-Machine Interface (HMI) Module ................................................................................................ 8

1.10 FBxWifi™ Communications .................................................................................................................... 9

1.11 Software Tools ..................................................................................................................................... 10

1.12 Autonomous Measurement Mode ........................................................................................................ 10

1.13 RoHS2 Compliance ............................................................................................................................... 10

Section 2: Installation 11

2.1 Hazardous Locations ............................................................................................................................ 11

2.2 Environmental Specifications ............................................................................................................... 11

2.3 Required Tools ..................................................................................................................................... 12

2.4 Site Considerations .............................................................................................................................. 12

2.5 General Wiring Guidelines .................................................................................................................... 15

2.6 Front or Rear End Caps ......................................................................................................................... 16

2.6.1 Removing/Replacing Retaining Clamp on End Caps ................................................................... 16

2.6.2 Removing the Front or Rear End Caps ........................................................................................ 17

2.6.3 Replacing the Front or Rear End Caps ........................................................................................ 18

2.7 Mounting the Enclosure ....................................................................................................................... 18

2.7.1 Bolting Considerations .............................................................................................................. 18

2.7.2 O-rings with Flange Adapters .................................................................................................... 20

2.7.3 Direct Mount ............................................................................................................................ 21

2.7.4 Indirect Mount .......................................................................................................................... 23

2.7.5 Rotating the Housing ................................................................................................................ 24

2.8 Grounding the Device .......................................................................................................................... 26

2.9 Terminal Plate ...................................................................................................................................... 27

2.10 Power Modes ....................................................................................................................................... 28

2.10.1 Low Power Mode ..................................................................................................................... 28

2.10.2 Standard Power Mode ............................................................................................................. 30

2.10.3 Notes on Battery Life ............................................................................................................... 31

2.11 Connecting Power ................................................................................................................................ 31

2.11.1 Connecting DC Power ............................................................................................................. 32

2.11.2 Connecting Battery Power ....................................................................................................... 33