GE 845 - Page 163

CHAPTER 4: SETPOINTS DEVICE
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 4–35
Table 4-8: Login as Administrator Function Format
Table 4-9: Login as Administrator Function Format continued
Commands using Modbus Function 10H (Store Multiple Setpoints)
Sending commands requires writing 4 bytes to the Command address register using the
Modbus Function 10H (Store Multiple Setpoints). The 4 bytes are the function and the
command values. The function value is always 05.
Table 4-10: Modbus Commands registers
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
Password Characters 11 and 12 62258 F332 0 0000
Password Characters 13 and 14 62259 F333 0 0000
Password Characters 15 and 16 62260 F334 0 0000
Password Characters 17 and 18 62261 F335 0 0000
Password Characters 19 and 20 62262 F336 0 0000
Password Characters 21 and 22 62263 F337 0 0000
Slave# Function Data
Starting
Address
Number
of
Setpoints
Byte
Count
Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 Data 9
FE 10 F322 0016 2C 4164 6D69 6E69 7374 7261 746F 7200 0 0
Data 10 Data 11 Data 12 Data 13 Data 14 Data 15 Data 16 Data17 Data 18 Data 19 Data 20 Data 21 Data 22
0 0 3000 0 0 0 0 0 0 0 0 0 0
Description Memory Map Address
DEC HEX
Command Register 40129 0x0080
Command Function Register 40130 0x0081
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
Description Memory Map Address Value to be written
DEC HEX DEC HEX