GE 469

COMMUNICATIONS GUIDE MODBUS MEMORY MAP
469 MOTOR MANAGEMENT RELAY – COMMUNICATIONS GUIDE 111
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
& 4
th
bytes
Milliseconds (0 to 59999)
Note: Clock resolution limited to 0.01
sec
Example: 1:15:48:572 stored as 17808828 (i.e., 1
st
word
010F, 2
nd
word BDBC)
F25
16 bits
UNSIGNED VALUE, 4 DECIMAL
PLACES
Example: 0.1234 stored as 1234
F26
16 bits
UNSIGNED VALUE, 3 DECIMAL
PLACES
Example: 1.234 stored as 1234
F100
Unsigned
16 bit integer
TEMPERATURE DISPLAY UNITS
0Celsius
1Fahrenheit
F101
Unsigned
16 bit integer
RS 485 BAUD RATE
0300 baud
1 1200 baud
2 2400 baud
3 4800 baud
4 9600 baud
5 19200 baud
F102
Unsigned
16 bit integer
RS 485 PARITY
0None
1Odd
2Even
F103
Unsigned
16 bit integer
OFF / ON or NO/YES SELECTION
0Off / No
1On / Yes
F104
Unsigned
16 bit integer
GROUND CT TYPE
0None
11 A Secondary
25 A Secondary
3 50/0.025 CT
F105
Unsigned
16 bit integer
DIFFERENTIAL CT TYPE
0None
11 A Secondary
25 A Secondary
Table 8: Data Formats (Sheet 3 of 15)
CODE TYPE DEFINITION