GE 489 User Manual

iv 489 Generator Management Relay
GE Power Management
TABLE OF CONTENTS
6.1.2 MODBUS RTU PROTOCOL ..............................................................................6-1
6.1.3 DATA FRAME FORMAT AND DATA RATE.......................................................6-1
6.1.4 DATA PACKET FORMAT...................................................................................6-1
6.1.5 CRC-16 ALGORITHM ........................................................................................6-3
6.1.6 TIMING ...............................................................................................................6-3
6.2 SUPPORTED MODBUS FUNCTIONS
6.2.1 OVERVIEW ........................................................................................................6-4
6.2.2 FUNCTION CODES 03/04: READ SETPOINTS/ACTUAL VALUES..................6-4
6.2.3 FUNCTION CODE 05: EXECUTE OPERATION................................................6-5
6.2.4 FUNCTION CODE 06: STORE SINGLE SETPOINT .........................................6-5
6.2.5 FUNCTION CODE 07: READ DEVICE STATUS ...............................................6-6
6.2.6 FUNCTION CODE 08: LOOPBACK TEST.........................................................6-6
6.2.7 FUNCTION CODE 16: STORE MULTIPLE SETPOINTS...................................6-7
6.2.8 FUNCTION CODE 16: PERFORMING COMMANDS........................................6-8
6.2.9 ERROR RESPONSES .......................................................................................6-8
6.3 MEMORY MAP
6.3.1 MEMORY MAP INFORMATION.........................................................................6-9
6.3.2 USER DEFINABLE MEMORY MAP AREA ........................................................6-9
6.3.3 EVENT RECORDER ..........................................................................................6-9
6.3.4 WAVEFORM CAPTURE ..................................................................................6-10
6.3.5 DUAL SETPOINTS...........................................................................................6-10
6.3.6 PASSCODE OPERATION................................................................................6-10
6.3.7 489 MEMORY MAP..........................................................................................6-11
6.3.8 MEMORY MAP DATA FORMATS....................................................................6-40
6.4 DNP COMMUNICATIONS
6.4.1 DEVICE PROFILE DOCUMENT ......................................................................6-45
6.4.2 IMPLEMENTATION TABLE .............................................................................6-47
6.4.3 DEFAULT VARIATIONS...................................................................................6-48
6.5 DNP POINT LISTS
6.5.1 BINARY INPUT / BINARY INPUT CHANGE (OBJECTS 01/02) ......................6-49
6.5.2 BINARY / CONTROL RELAY OUTPUT BLOCK (OBJECTS 10/12) ................6-51
6.5.3 BINARY / FROZEN COUNTER (OBJECTS 20/21)..........................................6-52
6.5.4 ANALOG INPUT / INPUT CHANGE (OBJECTS 30/32)...................................6-53
7. TESTING
7.1 TEST SETUP
7.1.1 TEST CONTENTS..............................................................................................7-1
7.1.2 SECONDARY INJECTION TEST SETUP.........................................................7-2
7.2 HARDWARE FUNCTIONAL TESTING
7.2.1 OUTPUT CURRENT ACCURACY ....................................................................7-3
7.2.2 PHASE VOLTAGE INPUT ACCURACY.............................................................7-3
7.2.3 GROUND (1A), NEUTRAL AND DIFFERENTIAL CURRENT ACCURACY ......7-4
7.2.4 NEUTRAL VOLTAGE (FUNDAMENTAL) ACCURACY......................................7-4
7.2.5 NEGATIVE SEQUENCE CURRENT ACCURACY.............................................7-5
7.2.6 RTD ACCURACY ...............................................................................................7-6
7.2.7 DIGITAL INPUTS AND TRIP COIL SUPERVISION...........................................7-7
7.2.8 ANALOG INPUTS AND OUTPUTS....................................................................7-7
7.2.9 OUTPUT RELAYS..............................................................................................7-8
7.3 ADDITIONAL FUNCTIONAL TESTING
7.3.1 OVERLOAD CURVE TEST ................................................................................7-9
7.3.2 POWER MEASUREMENT TEST .....................................................................7-10
7.3.3 REACTIVE POWER TEST ...............................................................................7-11
7.3.4 VOLTAGE PHASE REVERSAL TEST .............................................................7-12
7.3.5 INJECTION TEST SETUP #2...........................................................................7-12
7.3.6 GE POWER MANAGEMENT HGF GROUND ACCURACY TEST ..................7-13
7.3.7 NEUTRAL VOLTAGE (3RD HARMONIC) ACCURACY TEST.........................7-13
7.3.8 PHASE DIFFERENTIAL TRIP TEST................................................................7-14
7.3.9 INJECTION TEST SETUP #3...........................................................................7-15
7.3.10 VOLTAGE RESTRAINED OVERCURRENT TEST..........................................7-16

GE 489 Specifications

General

Brand	GE
Model	489
Category	Relays
Language	English