GE MOTOR MANAGER 2 - Page 7

GE Power Management
MM2 Motor Manager 2 iii
TABLE OF CONTENTS
5.2.3 PROCESS DATA..........................................................................5-4
5.2.4 PROGRAMMABLE MESSAGE.....................................................5-4
5.3 A2 STATUS
5.3.1 DESCRIPTION..............................................................................5-5
5.3.2 TRIP DATA ...................................................................................5-5
5.3.3 ALARM DATA ...............................................................................5-6
5.3.4 MOTOR STATUS..........................................................................5-8
5.4 A3 INPUTS
5.4.1 DESCRIPTION..............................................................................5-9
5.4.2 INPUT CONTACTS STATUS .......................................................5-9
5.5 A4 STATISTICS
5.5.1 DESCRIPTION............................................................................5-11
5.5.2 TIMERS.......................................................................................5-11
5.5.3 COUNTERS................................................................................5-11
6. COMMUNICATIONS
6.1 MM2 MODBUS PROTOCOL
6.1.1 OVERVIEW...................................................................................6-1
6.1.2 ELECTRICAL INTERFACE...........................................................6-1
6.1.3 DATA FRAME FORMAT AND DATA RATE .................................6-1
6.1.4 DATA PACKET FORMAT.............................................................6-2
6.1.5 ERROR CHECKING .....................................................................6-2
6.1.6 CRC-16 ALGORITHM...................................................................6-3
6.1.7 TIMING..........................................................................................6-4
6.1.8 MM2 SUPPORTED FUNCTIONS.................................................6-4
6.2 MODBUS FUNCTIONS
6.2.1 FUNCTION CODE 01H.................................................................6-5
6.2.2 FUNCTION CODE 03H.................................................................6-6
6.2.3 FUNCTION CODE 04H.................................................................6-7
6.2.4 FUNCTION CODE 05H.................................................................6-8
6.2.5 FUNCTION CODE 06H.................................................................6-9
6.2.6 FUNCTION CODE 07H...............................................................6-10
6.2.7 FUNCTION CODE 08H...............................................................6-11
6.2.8 FUNCTION CODE 10H...............................................................6-12
6.3 ERROR RESPONSES
6.3.1 DESCRIPTION............................................................................6-13
6.4 APPLICATIONS
6.4.1 PERFORMING COMMANDS USING FUNCTION CODE 10H...6-14
6.4.2 STORING COMM ADDRESS USING THE BROADCAST
COMMAND .................................................................................6-15
6.4.3 USING THE USER DEFINABLE MEMORY MAP.......................6-16
6.4.4 USER DEFINABLE MEMORY MAP DEFAULT VALUES...........6-17
6.5 MEMORY MAP
6.5.1 DESCRIPTION............................................................................6-19
6.5.2 MEMORY MAP TABLE...............................................................6-20
6.6 DATA FORMATS
6.6.1 DATA FORMATS TABLE............................................................6-41