GE Power Management
469 Motor Management Relay
6-61
6 COMMUNICATIONS
6.4 MEMORY MAP
6
6.4.6 469 MEMORY MAP FORMAT CODES
Table 6–2: MEMORY MAP DATA FORMATS (Sheet 1 of 14)
FORMAT
CODE
TYPE
DEFINITION
F1
16 bits
UNSIGNED VALUE
Example: 1234 stored as 1234
F2
16 bits
UNSIGNED VALUE, 1 DECIMAL PLACE
Example: 123.4 stored as 1234
F3
16 bits
UNSIGNED VALUE, 2 DECIMAL PLACES
Example: 12.34 stored as 1234
F4
16 bits
2’s COMPLEMENT SIGNED VALUE
Example: -1234 stored as -1234 (i.e. 64302)
F5
16 bits
2’s COMPLEMENT SIGNED VALUE
1 DECIMAL PLACES
Example: -123.4 stored as -1234 (i.e. 64302)
F6
16 bits
2’s COMPLEMENT SIGNED VALUE
2 DECIMAL PLACES
Example: -12.34 stored as -1234 (i.e. 64302)
F7
16 bits
2’s COMPLEMENT SIGNED VALUE
3 DECIMAL PLACES
Example: -1.234 stored as -1234 (i.e. 64302)
F8
16 bits
2’s COMPLEMENT SIGNED VALUE
4 DECIMAL PLACES
Example: -0.1234 stored as -1234 (i.e. 64302)
F9
32 bits
UNSIGNED LONG VALUE
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: 123456 stored as 123456
(i.e. 1st word: 0001 hex, 2nd word: E240 hex)
F10
32 bits
UNSIGNED LONG VALUE
1 DECIMAL PLACE
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: 12345.6 stored as 123456
(i.e. 1st word: 0001 hex, 2nd word: E240 hex)
F11
32 bits
UNSIGNED LONG VALUE
2 DECIMAL PLACES
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: 1234.56 stored as 123456
(i.e. 1st word: 0001 hex, 2nd word: E240 hex)
F12
32 bits
2’s COMPLEMENT SIGNED LONG VALUE
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: -123456 stored as -123456
(i.e. 1st word: FFFE hex, 2nd word: 1DC0 hex)
F13
32 bits
2’s COMPLEMENT SIGNED LONG VALUE, 1
DECIMAL PLACE
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: -12345.6 stored as -123456
(i.e. 1st word: FFFE hex, 2nd word: 1DC0 hex)
F14
32 bits
2’s COMPLEMENT SIGNED LONG VALUE, 2
DECIMAL PLACES
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: -1234.56 stored as -123456
(i.e. 1st word: FFFE hex, 2nd word: 1DC0 hex)
F15
16 bits
HARDWARE REVISION
0000 0000 0000 0001 1 = A
0000 0000 0000 0010 2 = B
... ...
0000 0000 0001 1010 26 = Z
F16
16 bits
SOFTWARE REVISION
1111 1111 xxxx xxxx Major Revision Number
0 to 9 in steps of 1
xxxx xxxx 1111 1111 Minor Revision Number (two BCD digits)
00 to 99 in steps of 1
Example: Revision 2.30 stored as 0230 hex
F17
32 bits
UNSIGNED LONG VALUE
3 DECIMAL PLACES
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: 123.456 stored as 123456
(i.e. 1st word: 0001 hex, 2nd word: E240 hex)
F18
32 bits
DATE (MM/DD/YYYY)
1st byte Month (1 to 12)
2nd byte Day (1 to 31)
3rd & 4th byte Year (1995 to 2094)
Example: Feb 20, 1995 stored as 34867142
(i.e. 1st word: 0214, 2nd word 07C6)
F19
32 bits
TIME (HH:MM:SS:hh)
1st byte Hours (0 to 23)
2nd byte Minutes (0 to 59)
3rd byte Seconds (0 to 59)
4th byte Hundreds of seconds (0 to 99)
Example: 2:05pm stored as 235208704
(i.e. 1st word: 0E05, 2nd word 0000)
Table 6–2: MEMORY MAP DATA FORMATS (Sheet 2 of 14)
FORMAT
CODE
TYPE
DEFINITION
