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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
Summary of Contents for 869
Page 6: ...1 2 869 MOTOR PROTECTION SYSTEM COMMUNICATIONS GUIDE COMMUNICATIONS CHAPTER 1 INTRODUCTION...
Page 36: ...4 12 869 MOTOR PROTECTION SYSTEM COMMUNICATIONS GUIDE DNP IMPLEMENTATION CHAPTER 4 DNP 3...
Page 84: ...9 2 869 MOTOR PROTECTION SYSTEM COMMUNICATIONS GUIDE CHAPTER 9 FILE TRANSFER PROTOCOLS...