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8.3 MODBUS MEMORY MAP
Table 8–7: 745 DATA FORMATS (Sheet 13 of 35)
FORMAT
APPLICABLE BITS
CODE
0000 0000 0000 1101 13 = FlexCurve A
0000 0000 0000 1110 14 = FlexCurve B
0000 0000 0000 1111 15 = FlexCurve C
F37
16 bits
0000 0000 0000 0000 0 = 55° C (oil)
0000 0000 0000 0001 1 = 65° C (oil)
0000 0000 0000 0010 2 = 80° C (dry)
0000 0000 0000 0011 3 = 115° C (dry)
0000 0000 0000 0100 4 = 150° C (dry)
F38
16 bits
0000 0000 0000 0000 0 = Trip
0000 0000 0000 0001 1 = Alarm
0000 0000 0000 0010 2 = Control
F39
16 bits
0000 0000 0000 0000 0 = OA
0000 0000 0000 0001 1 = FA
0000 0000 0000 0010 2 = Non-Directed FOA/FOW
0000 0000 0000 0011 3 = Directed FOA/FOW
F40
16 bits
0000 0000 0000 0000 0 = None
0000 0000 0000 0001 1 = Winding 1
0000 0000 0000 0010 2 = Winding 2
0000 0000 0000 0011 3 = Winding 3
F41
16 bits
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
8
F42
16 bits
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
0000 0000 0000 0000 0 = Not Asserted
0000 0000 0000 0001 1 = Asserted
F44
16 bits
xxxx xxxx xxxx xxx1
8-80
DEFINITION
RATED WINDING TEMPERATURE
RISE
OUTPUT TYPE
COOLING TYPE FOR OIL-FILLED
TRANSFORMER
WINDING SELECTION
RTD TYPE
ANALOG INPUT RANGE
NOT ASSERTED / ASSERTED
OPERATION STATUS
Code Programming Mode
(0 = Disabled, 1 = Enabled)
745 Transformer Management Relay
Table 8–7: 745 DATA FORMATS (Sheet 14 of 35)
FORMAT
APPLICABLE BITS
CODE
xxxx xxxx xxxx xx1x
xxxx xxxx xxxx x1xx
xxxx xxxx xxxx 1xxx
F45
16 bits
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
8 COMMUNICATIONS
DEFINITION
Setpoint Access Jumper
(0 = Disabled, 1 = Enabled)
Factory Service Mode
(0 = Disabled, 1 = Enabled)
Comm Port Passcode Access
(0 = Read & Write, 1 = Read Only)
ANALOG OUTPUT VALUE
GE Power Management
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