ERL L-PRO 4000, User Manual

Page: 18 / 406

1 Overview
1-2 L-PRO 4000 User Manual D02706R02.30
by programming the output matrix and allowing any internal relay function or
any external input or any GOOSE messaging input to initiate recording.
Figure 1.1: L-PRO Relay Function Line Diagram
50LS: Low set overcurrent
PL: ProLogic
WI: Weak infeed
5050N
/67
27 59 60 WI Rec. 25/27
/59
21P 21N 68 50/67 51/67
50N/
67
51N/
67
46/50
/67
Rec.
46/51
/67
Bus 1
52-2
PT
PT
CT
Line
5 Zones 5 Zones
Dead
Line
Pickup
Fault Recording
6 Voltages
12 Currents
Protection Elements
External Inputs
Active Setting Group
Output Contacts
Swing Recording
Positive Sequence Voltage
Positive Sequence Current
System Frequency
Real Power
Reactive Power
6 Analog
Current
Inputs 14 Output Contacts
1 Relay Inoperative
Alarm Contact
7 Output Contacts
59 27
52-1
50
BF
50
BF
Σ
CT
Rec.
Rec.
Bus 2
9 External
Inputs
11 External
Inputs
Rec.
Rec.
79-1,3
79-1,3
81
50
LS
50
LS
PL
Optional I/O
59N
60
CTS