6-62
469 Motor Management Relay
GE Power Management
6.4 MEMORY MAP
6 COMMUNICATIONS
6
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 (i.e. 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
& 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
FC100
Unsigned
16 bit integer
TEMPEATURE DISPLAY UNITS
0 Celsius
1 Fahrenheit
FC101
Unsigned
16 bit integer
RS 485 BAUD RATE
0 300 baud
1 1200 baud
2 2400 baud
3 4800 baud
4 9600 baud
5 19200 baud
FC102
Unsigned
16 bit integer
RS 485 PARITY
0 None
1 Odd
2 Even
FC103
Unsigned
16 bit integer
OFF / ON or NO/YES SELECTION
0 Off / No
1 On / Yes
Table 6–2: MEMORY MAP DATA FORMATS (Sheet 3 of 14)
FORMAT
CODE
TYPE
DEFINITION
FC104
Unsigned
16 bit integer
GROUND CT TYPE
0 None
1 1 A Secondary
2 5 A Secondary
3 50/0.025 CT
FC105
Unsigned
16 bit integer
DIFFERENTIAL CT TYPE
0 None
1 1 A Secondary
2 5 A Secondary
FC106
Unsigned
16 bit integer
VOLTAGE TRANSFORMER CONNECTION
TYPE
0 None
1 Open Delta
2 Wye
FC107
Unsigned
16 bit integer
NOMINAL FREQUENCY
0 60 Hz
1 50 Hz
2 Variable
FC108
Unsigned
16 bit integer
REDUCED VOLTAGE STARTING TRANSITION
ON
0 Current Only
1 Current or Timer
2 Current and Timer
FC109
Unsigned
16 bit integer
STARTER STATUS SWITCH
0 Starter Aux a
1 Starter Aux b
FC110
Unsigned
16 bit integer
ASSIGNABLE INPUT FUNCTION
0 Off
1 Remote Alarm
2 Remote Trip
3 Speed Switch Trip
4 Load Shed Trip
5 Pressure Sw. Alarm
6 Pressure Switch Trip
7 Vibration Sw. Alarm
8 Vibration Sw. Trip
9 Digital Counter
10 Tachometer
11 General Sw. A
12 General Sw. B
13 General Sw. C
Table 6–2: MEMORY MAP DATA FORMATS (Sheet 4 of 14)
FORMAT
CODE
TYPE
DEFINITION