MEMORY MAP 6. COMMUNICATIONS
6-62
FORMAT
CODE
TYPE
DEFINITION
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: -1234.56 stored as -123456 (ie. 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 (ie. 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 and 4th byte Year (1995 to 2094)
Example: Feb 20, 1995 stored as 34867142 (ie. 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 (ie. 1st word: 0E05, 2nd word 0000)
F20 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
Note: -1 means “Never”
F21 16 bits 2’s COMPLEMENT SIGNED VALUE, 2 DECIMAL PLACES (Power Factor)
< 0 Leading Power Factor - Negative
> 0 Lagging Power Factor - Positive
Example: Power Factor of 0.87 lag is used as 87 (ie. 0057)
F22 16 bits TWO 8-BIT CHARACTERS PACKED INTO 16-BIT UNSIGNED
MSB First Character
LSB Second Character
Example: String ‘AB’ stored as 4142 hex.
F24 32 bits Time Format for Broadcast
1
st
byte Hours (0 to 23)
2
nd
byte Minutes (0 to 59)
3
rd
and 4
th
bytes Milliseconds (0 to 59999). Note: Clock resolution limited to 0.01 sec
Example: 1:15:48:572 stored as 17808828 (ie, 1
st
word 010F, 2
nd
word BDBC)
F25 16 bits UNSIGNED VALUE, 4 DECIMAL PLACES
Example: 0.1234 stored as 1234
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