GE 869 - Page 159

CHAPTER 4: SETPOINTS DEVICE
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 4–27
Table 4-11: Examples of Command values
A complete list of Modbus Commands is found at the end of chapter 11.
Function Format for “Clear All” command:
Table 4-12: Function Format for “Clear All” command
Table 4-13: Function Format for “Clear Energy Use Data” command
Table 4-14: Function Format for “Force Virtual Input 1” command
Commands using Modbus Function 05H (Execute Operation)
Specific command operations such as described above can also be performed using
function code 05H.
Table 4-15: Format for Function Code 05H
Table 4-16: Examples of Command values
Table 4-17: Function Format for Reset command
Command Value Value Description
1 Reset
96 Clear All Records
98 Clear Events
105 Clear Energy Use Data
4096 Force Virtual Input 1
Slave # Function Data Starting
Address
Number of
Setpoints
Byte count Data 1 Data 2
FE 10 0080 0002 04 0005 0060
Slave # Function Data Starting
Address
Number of
Setpoints
Byte count Data 1 Data 2
FE 10 0080 0002 04 0005 0069
Slave # Function Data Starting
Address
Number of
Setpoints
Byte count Data 1 Data 2
FE 10 0080 0002 04 0005 1000
Master Transmission Byte# Example Description
Slave Address 1 FE message for slave # 254
Function Code 1 05 execute operation
Operation Code 2 00 01 operation code
Code Value 2 FF 00 perform function
CRC 2 DF 6A CRC error code
Command Value Value Description
1 Reset
96 Clear All Records
98 Clear Events
105 Clear Energy Use Data
4096 Force Virtual Input 1
Slave # Function Operation Code Code Value
FE 05 0001 FF00