GE 869 - Page 242

11-148 869 MOTOR PROTECTION SYSTEM – COMMUNICATIONS GUIDE
FORMAT CODES CHAPTER 11: MODBUS MEMORY MAP
F32 signed 32 bits 2's Complement Signed Long Value, 2 Decimal
Places
1st 16 bitsHigh Order Word of Long Value
2nd 16 bitsLow Order Word of Long Value
Example: -1234.56 stored as -123456
i.e. 1st word: FFFE hex, 2nd word: 1DC0 hex
F33 signed 32 bits 2's Complement Signed Long Value, 3 Decimal
Places
1st 16 bitsHigh Order Word of Long Value
2nd 16 bitsLow Order Word of Long Value
Example: -123.456 stored as -123456
i.e. 1st word: FFFE hex, 2nd word: 1DC0 hex
F50 unsigned 32 bits Time and Date (unsigned 32-bit integer)
Indicates the current time in seconds elapsed since 00:00:00 January 1, 1970.
F51 unsigned 32 bits Number of Microseconds (unsigned 32-bit
integer)
Fraction of seconds count
F52 unsigned 32 bits RTC Time in Seconds
F53 unsigned 32 bits Date MM/DD/YYYY
F54 unsigned 32 bits Time HH:MM:SS:hh
F55 unsigned 32 bits Time HH:MM
F60_8A unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Grandmaster ID
F60_34 unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Custom Text. 34 characters long
F60_26 unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Custom Text. 26 characters long
F60_14 unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Custom Text. 14 characters long
F60_16 unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Custom Text. 16 characters long
F60_6 unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Custom Text For Units
F60_22 unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Secure Passwords. 22 characters long
F60_32 unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Custom Text. 32 characters long
F60_80 unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
Custom Text. 80 characters long
F60_6A unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
MAC Address
Code Type Definition