GE Power Management 469 Motor Management Relay
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TABLE OF CONTENTS
5.4.3 RTD MAXIMUMS..................................................................................... 5-18
5.4.4 ANALOG IN MIN/MAX............................................................................. 5-19
5.5 A4 MAINTENANCE
5.5.1 TRIP COUNTERS.................................................................................... 5-20
5.5.2 GENERAL COUNTERS........................................................................... 5-22
5.5.3 TIMERS ................................................................................................... 5-22
5.6 A5 EVENT RECORDER
5.6.1 EVENT01 TO EVENT40.......................................................................... 5-23
5.7 A6 PRODUCT INFO
5.7.1 469 MODEL INFO.................................................................................... 5-26
5.7.2 CALIBRATION INFO ............................................................................... 5-26
5.8 DIAGNOSTICS
5.8.1 DIAGNOSTIC MESSAGES FOR OPERATORS ..................................... 5-27
a EXAMPLE................................................................................................ 5-27
5.8.2 FLASH MESSAGES................................................................................ 5-28
6. COMMUNICATIONS
6.1 MODBUS COMMUNICATIONS
6.1.1 ELECTRICAL INTERFACE ....................................................................... 6-1
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.......................................................................... 6-2
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 01/02: READ RELAY COIL / DIGITAL INPUT STATUS
6-4
a FUNCTION 01 ........................................................................................... 6-4
b FUNCTION 02 ........................................................................................... 6-4
c MESSAGE FORMAT AND EXAMPLE, FUNCTION 01............................. 6-5
d MESSAGE FORMAT AND EXAMPLE, FUNCTION 02............................. 6-6
6.2.3 FUNCTION CODES 03/04: READ SETPOINTS/ACTUAL VALUES......... 6-8
6.2.4 FUNCTION CODE 05: EXECUTE OPERATION....................................... 6-9
6.2.5 FUNCTION CODE 06: STORE SINGLE SETPOINT .............................. 6-10
6.2.6 FUNCTION CODE 07: READ DEVICE STATUS .................................... 6-11
6.2.7 FUNCTION CODE 08: LOOPBACK TEST.............................................. 6-12
6.2.8 FUNCTION CODE 16: STORE MULTIPLE SETPOINTS........................ 6-13
6.2.9 FUNCTION CODE 16: PERFORMING COMMANDS ............................. 6-14
6.3 ERROR RESPONSES
6.3.1 DESCRIPTION ........................................................................................ 6-15
6.4 MEMORY MAP
6.4.1 MEMORY MAP INFORMATION.............................................................. 6-16
6.4.2 USER DEFINABLE MEMORY MAP AREA ............................................. 6-16
6.4.3 EVENT RECORDER ............................................................................... 6-17
6.4.4 WAVEFORM CAPTURE.......................................................................... 6-17
6.4.5 469 MEMORY MAP................................................................................. 6-18
6.4.6 469 MEMORY MAP FORMAT CODES................................................... 6-61
7. TESTING
7.1 OVERVIEW
7.1.1 TEST SETUP............................................................................................. 7-1
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