Table Of Contents - GE B90 Instruction Manual

B90 Low Impedance Bus Differential System

Table of contents

1 INTRODUCTION
2 PRODUCT
DESCRIPTION
3 INSTALLATION
B90 LOW IMPEDANCE BUS DIFFERENTIAL SYSTEM - INSTRUCTION MANUAL
1.1 Safety symbols and definitions ..................................................................... 1-1
1.1.1 General cautions and warnings .................................................................................... 1-1
1.2 For further assistance .................................................................................... 1-2
2.1 Product description......................................................................................... 2-1
2.1.1 Overview................................................................................................................................... 2-1
2.2 Security.............................................................................................................. 2-4
2.3 Order codes ...................................................................................................... 2-7
2.3.1 Replacement modules .....................................................................................................2-12
2.4 Signal processing........................................................................................... 2-14
2.4.1 UR signal processing ........................................................................................................2-14
2.5 Specifications ................................................................................................. 2-16
2.5.1 Protection elements ..........................................................................................................2-16
2.5.2 User-programmable elements ....................................................................................2-17
2.5.3 Monitoring..............................................................................................................................2-19
2.5.4 Metering..................................................................................................................................2-19
2.5.5 Inputs .......................................................................................................................................2-19
2.5.6 Power supply ........................................................................................................................2-21
2.5.7 Outputs....................................................................................................................................2-21
2.5.8 Communications ................................................................................................................2-23
2.5.9 Inter-relay communications..........................................................................................2-24
2.5.10 CyberSentry security.........................................................................................................2-25
2.5.11 Environmental......................................................................................................................2-25
2.5.12 Type tests ...............................................................................................................................2-26
2.5.13 Production tests ..................................................................................................................2-27
2.5.14 Approvals ...............................................................................................................................2-27
2.5.15 Maintenance.........................................................................................................................2-27
3.1 Unpack and inspect......................................................................................... 3-1
3.2 Panel cutouts.................................................................................................... 3-2
3.2.1 Rear terminal layout ........................................................................................................... 3-4
3.3 Wiring ................................................................................................................ 3-5
3.3.1 Typical wiring ......................................................................................................................... 3-5
3.3.2 Dielectric strength..............................................................................................................3-11
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