GE TRANSFORMER MANAGEMENT RELAY 745 Instruction Manual page 222

7.4 MODBUS MEMORY MAP
Table 7–6: 745 DATA FORMATS (Sheet 9 of 25)
CODE APPLICABLE BITS
F33 16 bits
xxxx xxxx 1111 1111
1111 1111 xxxx xxxx
F34 16 bits
0000 0000 0000 0000
0000 0000 0000 0001
F35 16 bits
xxxx xxxx xxxx xxx1
xxxx xxxx xxxx xx1x
xxxx xxxx xxxx x1xx
xxxx xxxx xxx1 xxxx
xxxx xxxx xx1x xxxx
xxxx xxxx x1xx xxxx
xxxx xxxx 1xxx xxxx
F36 16 bits
0000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0010
0000 0000 0000 0011
0000 0000 0000 0100
0000 0000 0000 0101
0000 0000 0000 0110
0000 0000 0000 0111
0000 0000 0000 1000
0000 0000 0000 1001
0000 0000 0000 1010
0000 0000 0000 1011
0000 0000 0000 1100
0000 0000 0000 1101
0000 0000 0000 1110
0000 0000 0000 1111
F37 16 bits
0000 0000 0000 0000
7
0000 0000 0000 0001
0000 0000 0000 0010
0000 0000 0000 0011
0000 0000 0000 0100
F38 16 bits
0000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0010
F39 16 bits
0000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0010
0000 0000 0000 0011
F40 16 bits
0000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0010
0000 0000 0000 0011
7-52
Courtesy of NationalSwitchgear.com
DEFINITION
ASCII TEXT CHARACTERS
Second ASCII Character
First ASCII Character
RELAY STATE
0 = De-energized
1 = Energized
CONDITIONS
Trip (0 = No Active Trip Condition,
1 = Active Trip Condition)
Alarm
(0=No Active Alarm Conditions,
1=Active Alarm Condition(s))
Pickup
(0 = No Pickup, 1 = Pickup)
Phase A (1 = Phase A Fault)
Phase B (1 = Phase B Fault)
Phase C (1 = Phase C Fault)
Ground (1 = Ground Fault)
OVERCURRENT CURVE SHAPE
0 = Ext Inverse
1 = Very Inverse
2 = Norm Inverse
3 = Mod Inverse
4 = Definite Time
5 = IEC Curve A
6 = IEC Curve B
7 = IEC Curve C
8 = IEC Short In
9 = IAC Ext Inv
10 = IAC Very Inv
11 = IAC Inverse
12 = IAC Short Inv
13 = FlexCurve A
14 = FlexCurve B
15 = FlexCurve C
RATED WINDING TEMP RISE
0 = 55° C (oil)
1 = 65° C (oil)
2 = 80° C (dry)
3 = 115° C (dry)
4 = 150° C (dry)
OUTPUT TYPE
0 = Trip
1 = Alarm
2 = Control
COOLING TYPE FOR OIL-FILLED
TRANSFORMER
0 = OA
1 = FA
2 = Non-Directed FOA/FOW
3 = Directed FOA/FOW
WINDING SELECTION
0 = None
1 = Winding 1
2 = Winding 2
3 = Winding 3
745 Transformer Management Relay
Table 7–6: 745 DATA FORMATS (Sheet 10 of 25)
CODE APPLICABLE BITS DEFINITION
F41 16 bits RTD TYPE
0000 0000 0000 0000 0 = 100 ohm Platinum
0000 0000 0000 0001 1 = 120 ohm Nickel
0000 0000 0000 0010 2 = 100 ohm Nickel
0000 0000 0000 0011 3 = Monthly Average
F42 16 bits ANALOG INPUT RANGE
0000 0000 0000 0000 0 = 0-1 mA
0000 0000 0000 0001 1 = 0-5 mA
0000 0000 0000 0010 2 = 4-20 mA
0000 0000 0000 0011 3 = 0-20 mA
F43 16 bits NOT ASSERTED / ASSERTED
0000 0000 0000 0000 0 = Not Asserted
0000 0000 0000 0001 1 = Asserted
F44 16 bits OPERATION STATUS
xxxx xxxx xxxx xxx1 Code Programming Mode
(0 = Disabled, 1 = Enabled)
xxxx xxxx xxxx xx1x Setpoint Access Jumper
(0 = Disabled, 1 = Enabled)
xxxx xxxx xxxx x1xx Factory Service Mode
(0 = Disabled, 1 = Enabled)
xxxx xxxx xxxx 1xxx Comm Port Passcode Access
(0 = Read & Write, 1 = Read Only)
F45 16 bits ANALOG OUTPUT VALUE
0000 0000 0000 0000 0 = W1 øA Current
0000 0000 0000 0001 1 = W1 øB Current
0000 0000 0000 0010 2 = W1 øC Current
0000 0000 0000 0011 3 = W2 øA Current
0000 0000 0000 0100 4 = W2 øB Current
0000 0000 0000 0101 5 = W2 øC Current
0000 0000 0000 0110 6 = W3 øA Current
0000 0000 0000 0111 7 = W3 øB Current
0000 0000 0000 1000 8 = W3 øC Current
0000 0000 0000 1001 9 = W1 Loading
0000 0000 0000 1010 10 = W2 Loading
0000 0000 0000 1011 11 = W3 Loading
0000 0000 0000 1100 12 = W1 øA THD
0000 0000 0000 1101 13 = W1 øB THD
0000 0000 0000 1110 14 = W1 øC THD
0000 0000 0000 1111 15 = W2 øA THD
0000 0000 0001 0000 16 = W2 øB THD
0000 0000 0001 0001 17 = W2 øC THD
0000 0000 0001 0010 18 = W3 øA THD
0000 0000 0001 0011 19 = W3 øB THD
0000 0000 0001 0100 20 = W3 øC THD
0000 0000 0001 0101 21 = W1 Derating
0000 0000 0001 0110 22 = W2 Derating
0000 0000 0001 0111 23 = W3 Derating
0000 0000 0001 1000 24 = Frequency
0000 0000 0001 1001 25 = Tap Position
0000 0000 0001 1010 26 = Voltage
0000 0000 0001 1011 27 = W1 øA Demand
0000 0000 0001 1100 28 = W1 øB Demand
0000 0000 0001 1101 29 = W1 øC Demand
0000 0000 0001 1110 30 = W2 øA Demand
0000 0000 0001 1111 31 = W2 øB Demand
0000 0000 0010 0000 32 = W2 øC Demand
0000 0000 0010 0001 33 = W3 øA Demand
0000 0000 0010 0010 34 = W3 øB Demand
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