GE L30 Instruction Manual page 34

2.1 INTRODUCTION
52
Monitoring
2
Table 2–2: OTHER DEVICE FUNCTIONS
FUNCTION
Breaker arcing current (I
Breaker control
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 pilot channel)
Disconnect switches
DNP 3.0 or IEC 60870-5-104 protocol
Event recorder
2-2
79
CLOSE
50_2 51P 51_2
50P
50BF
Data from/to remote end
(via dedicated communications)
L30 Line Differential Relay
Figure 2–1: SINGLE LINE DIAGRAM
FUNCTION
2
t) Fault locator and fault reporting
FlexElements™ (8)
FlexLogic™ equations
IEC 61850 communications (optional)
Channel tests
Metering: Current, voltage, power,
Modbus communications
Modbus user map
Non-volatile latches
Non-volatile selector switch
Oscillography
L30 Line Current Differential System
TRIP
87L
TM
FlexElement
Metering
50G 51G
frequency, power factor, 87L
current, local and remote
phasors
2 PRODUCT DESCRIPTION
50N 51N
Transducer
inputs 59P
27P
59X 27X
25
831815A1.CDR
FUNCTION
Setting groups (6)
Stub bus
Synchrophasors
Time synchronization over SNTP
Transducer inputs and 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