GE B90 Instruction Manual

Also see for B90: Communications manual Communications guide Instruction manual Instruction manual Instruction manual

Contents

B90 LOW IMPEDANCE BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL iiiB90 Low Impedance Bus Differential SystemTable of contents1 INTRODUCTION 1.1 Safety symbols and definitions ..................................................................... 1-11.1.1 General cautions and warnings .................................................................................... 1-11.2 For further assistance .................................................................................... 1-22 PRODUCTDESCRIPTION2.1 Product description......................................................................................... 2-12.1.1 Overview................................................................................................................................... 2-12.2 Security.............................................................................................................. 2-42.3 Order codes ...................................................................................................... 2-72.3.1 Replacement modules .....................................................................................................2-122.4 Signal processing........................................................................................... 2-142.4.1 UR signal processing ........................................................................................................2-142.5 Specifications ................................................................................................. 2-162.5.1 Protection elements..........................................................................................................2-162.5.2 User-programmable elements ....................................................................................2-172.5.3 Monitoring..............................................................................................................................2-192.5.4 Metering..................................................................................................................................2-192.5.5 Inputs .......................................................................................................................................2-192.5.6 Power supply ........................................................................................................................2-212.5.7 Outputs....................................................................................................................................2-212.5.8 Communications ................................................................................................................2-232.5.9 Inter-relay communications..........................................................................................2-242.5.10 CyberSentry security.........................................................................................................2-252.5.11 Environmental......................................................................................................................2-252.5.12 Type tests ...............................................................................................................................2-262.5.13 Production tests ..................................................................................................................2-272.5.14 Approvals ...............................................................................................................................2-272.5.15 Maintenance.........................................................................................................................2-273 INSTALLATION 3.1 Unpack and inspect......................................................................................... 3-13.2 Panel cutouts.................................................................................................... 3-23.2.1 Rear terminal layout ........................................................................................................... 3-43.3 Wiring ................................................................................................................ 3-53.3.1 Typical wiring ......................................................................................................................... 3-53.3.2 Dielectric strength..............................................................................................................3-11