2-2
B90 Low Impedance Bus Differential System
GE Multilin
2.1 INTRODUCTION
2 PRODUCT DESCRIPTION
2
Figure 2–1: SINGLE LINE DIAGRAM
Table 2–1: ANSI DEVICE NUMBERS AND FUNCTIONS
DEVICE
FUNCTION
DEVICE
FUNCTION
27
Undervoltage
50/87
Unrestrained bus differential
50
Instantaneous overcurrent
51
Time overcurrent
50/74
CT trouble
50BP
Breaker failure
Table 2–2: OTHER DEVICE FUNCTIONS
FUNCTION
FUNCTION
Contact inputs (up to 96 per IED)
Modbus communications
Contact outputs (up to 64 per IED)
Modbus user map
Control pushbuttons
Non-volatile latches
CyberSentry™ security
Oscillography
Digital elements (48 per IED)
Setting groups (6)
Direct inputs and outputs (96)
Time synchronization over IRIG-B or IEEE 1588
DNP 3.0 or IEC 60870-5-104 communications
Time synchronization over SNTP
Dynamic bus replica
User definable displays
836752A4.CDR
50
27
50
50
27
50
51
51
51
51
Isolator monitoring
and dynamic bus r
eplica
Br
eak
er position and trip
Isolator position
Metering: curr
ent
,
voltage, and fr
equency
50BF
50BF
50BF
50BF
Zone 1
Zone 2
Zone 3
Zone 4
B90 Low Impedance Bus Differential System
87B
87B
87B
87B
50/87
50/87
50/87
50/87
50/74
50/74
50/74
50/74
Summary of Contents for B90
Page 10: ...x B90 Low Impedance Bus Differential System GE Multilin TABLE OF CONTENTS ...
Page 284: ...5 166 B90 Low Impedance Bus Differential System GE Multilin 5 8 TESTING 5 SETTINGS 5 ...
Page 334: ...10 8 B90 Low Impedance Bus Differential System GE Multilin 10 2 BATTERIES 10 MAINTENANCE 10 ...
Page 338: ...A 4 B90 Low Impedance Bus Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 460: ...C 30 B90 Low Impedance Bus Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Page 476: ...E 10 B90 Low Impedance Bus Differential System GE Multilin E 1 IEC 60870 5 104 APPENDIX E E ...
Page 502: ...viii B90 Low Impedance Bus Differential System GE Multilin INDEX ...