GE L90 Instruction Manual page 34

2.1 INTRODUCTION
2
Table 2–2: OTHER DEVICE FUNCTIONS
FUNCTION
Breaker Arcing Current (I
Breaker Control
Broken Conductor Detection
Contact Inputs (up to 96)
Contact Outputs (up to 64)
Control Pushbuttons
CT Failure Detector
Data Logger
Digital Counters (8)
Digital Elements (48)
Direct Inputs (8 per L90 comms channel)
Disconnect Switches
DNP 3.0 or IEC 60870-5-104 protocol
Event Recorder
Fault Locator
2-2
Figure 2–1: SINGLE LINE DIAGRAM
FUNCTION
2
t) Fault Reporting
FlexElements™ (8)
FlexLogic™ Equations
IEC 61850 Communications (optional)
L90 Channel Tests
Line Pickup
Load Encroachment
Metering: Current, Voltage, Power,
Energy, Frequency, Demand,
Power Factor, 87L current,
local and remote phasors
Modbus Communications
Modbus User Map
Non-Volatile Latches
Non-Volatile Selector Switch
Open Pole Detector
L90 Line Current Differential System
2 PRODUCT DESCRIPTION
FUNCTION
Oscillography
Pilot Scheme (POTT)
Setting Groups (6)
Stub Bus
Synchrophasors
Time Synchronization over SNTP
Transducer Inputs/Outputs
User Definable Displays
User Programmable LEDs
User Programmable Pushbuttons
User Programmable Self-Tests
Virtual Inputs (64)
Virtual Outputs (96)
VT Fuse Failure
GE Multilin