GE MLJ1000 User Manual

GEK - 105560
1
TABLE OF CONTENTS
1. DESCRIPTION ....................................................................................................................4
2. APPLICATION ....................................................................................................................5
2.1 DESIGN CHARACTERISTICS ..........................................................................................5
2.2 APPLICATIONS..................................................................................................................7
3. OPERATION PRINCIPLES.............................................................................................11
3.1 CONFIGURATION UNIT.................................................................................................11
3.1.1 GENERAL Settings.......................................................................................................11
3.2 SYNCHRONISM CHECK UNIT......................................................................................11
3.2.1 Mode of Operation .......................................................................................................12
3.2.2 Settings .........................................................................................................................13
3.2.3 Failure of Closure Conditions .....................................................................................13
3.3 UNDERVOLTAGE UNIT .................................................................................................14
3.3.1 Mode of Operation .......................................................................................................14
3.3.2 Settings .........................................................................................................................14
3.4 INPUT UNITS....................................................................................................................15
3.5 SELF-CHECK UNIT..........................................................................................................15
3.5.1 Mode of Operation .......................................................................................................15
3.6 OUTPUT UNITS................................................................................................................16
3.6.1 Mode of Operation .......................................................................................................16
3.6.2 Settings .........................................................................................................................16
3.7 POWER SUPPLY ..............................................................................................................17
4. TECHNICAL CHARACTERISTICS..............................................................................18
4.1 MODEL LIST.....................................................................................................................18
4.2 TECHNICAL CHARACTERISTICS ................................................................................18
4.3 INSULATION ....................................................................................................................19
4.4 TYPE TESTS .....................................................................................................................20
5. DESCRIPTION OF HARDWARE...................................................................................21
5.1 CASE..................................................................................................................................21
5.2 INTERNAL CONNECTIONS ...........................................................................................21
5.3 IDENTIFICATION.............................................................................................................21
5.4 MLJ FRONT DEVICES.....................................................................................................21
6. OPERATION OF MLJ (KEYPAD AND DISPLAY) .....................................................23
6.1 READOUT SEQUENCE ...................................................................................................24
6.1.1 F0: State of relay, error codes .....................................................................................25
6.1.2 F1, F2: VL, VB, Voltage in line and buses...................................................................25
6.1.3 F3: ∆ V Voltage difference module................................................................................25

GE MLJ1000 Specifications

General

Brand	GE
Model	MLJ1000
Category	Relays
Language	English