Applications; Performing Commands Using Function Code 10H - GE MM3 Instruction Manual

6 COMMUNICATIONS

6.4 APPLICATIONS

Commands can be performed using function code 16 as well as function code 5. When using FUNCTION
CODE 16, the Command Function register must be written with a value of 5. The Command Operation register
must be written with a valid command operation number. The Command Data registers must be written with
valid data; this is dependent upon the command operation.
The commands supported by the MM3 are listed in Section 6.6: DATA FORMATS on page 6–37 under code
F22.
For example, consider a request for slave 17 to perform command operation 1 (RESET): The master/slave
packets have the following format:
Table 6–9: MASTER/SLAVE PACKET FORMAT FOR PERFORMING COMMANDS
MASTER TRANSMISSION
SLAVE ADDRESS
FUNCTION CODE
DATA STARTING ADDRESS
NUMBER OF SETPOINTS
BYTE COUNT
DATA 1
DATA 2
CRC
SLAVE RESPONSE
SLAVE ADDRESS
FUNCTION CODE
DATA STARTING ADDRESS
NUMBER OF SETPOINTS
CRC
GE Power Management

6.4.1 PERFORMING COMMANDS USING FUNCTION CODE 10H

BYTES EXAMPLE DESCRIPTION
1 11 message for slave 17
1 10 store multiple setpoints
2 11 60 setpoint address 1160
2 00 02 2 setpoints = 4 bytes total
1 04 4 bytes of data
2 00 05 data for address 1160
2 00 01 data for address 1161
2 76 87 CRC error code
BYTES EXAMPLE DESCRIPTION
1 11 message from slave 17
1 10 store multiple setpoints
2 11 60 setpoint address 1160
2 00 02 2 setpoints
2 46 7A CRC error code
MM3 Motor Manager 3
6.4 APPLICATIONS
6
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