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8.3 MODBUS MEMORY MAP
Table 8–6: 745 MEMORY MAP (Sheet 34 of 57)
GROUP
ADDR
(HEX)
SIMULATION
1E47
FAULT VALUES
1E48
continued
1E49
1E4A
1E4B
↓
1FFF
Setpoint Group 1/2/3/4 (Addresses 2000 to 3FFF) - Read / Write
PERCENT
2000
DIFFERENTIAL
2001
2002
2003
2004
2005
2006
2007
HARMONIC
2008
INHIBIT
2009
200A
200B
200C
ENERGIZATION
200D
INHIBIT
200E
200F
2010
2011
2012
2013
8
2014
2015
2016
2017
2018
5TH
2019
HARMONIC
201A
INHIBIT
201B
201C
↓
8-50
DESCRIPTION
Fault Winding 3 Ground Current Angle
Fault Voltage Input Magnitude
Fault Voltage Input Angle
Fault Frequency
Reserved
↓
Reserved
Percent Differential Function
Percent Differential Target
Percent Differential Pickup
Percent Differential Slope 1
Percent Differential Break Point
Percent Differential Slope 2
Percent Differential Block
Reserved
Harmonic Inhibit Function
Harmonic Inhibit Parameters
Harmonic Averaging
Harmonic Inhibit Level
Reserved
Energization Inhibit Function
Energization Inhibit Parameters
Harmonic Averaging
Energization Inhibit Level
Energization Inhibit Duration
Energization Sensing By Current
Minimum Energization Current
Energization Sensing By Voltage
Minimum Energization Voltage
Breakers Are Open Signal
Parallel Transformer Breaker Close Signal
Reserved
5th Harmonic Inhibit Function
Harmonic Averaging
5th Harmonic Inhibit Level
Reserved
↓
745 Transformer Management Relay
RANGE
STEP
UNITS
VALUE
0 to 359
1
° Lag
× VT
0.0 to 2.0
0.1
0 to 359
1
° Lag
45.00 to 60.00
0.01
Hz
↓
↓
↓
---
---
---
---
---
---
× CT
0.05 to 1.00
0.01
15 to 100
1
%
× CT
1.0 to 20.0
0.1
50 to 200
1
%
---
---
---
---
---
---
---
---
---
---
---
---
0.1 to 65.0
0.1
% ƒo
---
---
---
---
---
---
---
---
---
0.1 to 65.0
0.1
% ƒo
0.05 to 600.00
0.01
s
---
---
---
× CT
0.10 to 0.50
0.01
---
---
---
× VT
0.50 to 0.99
0.01
---
---
---
---
---
---
---
---
---
---
---
---
0.1 to 65.0
0.1
% ƒo
↓
↓
↓
8 COMMUNICATIONS
FORMAT
FACTORY
CODE
DEFAULT
F1
0° Lag
10 = 1.0 × VT
F2
F1
0° Lag
F3
60.00 Hz
↓
↓
F30
1 = Enabled
F46
1 = Latched
30 = 0.30 × CT
F3
F1
25%
20 = 2.0 × CT
F2
F1
100%
F87
0 = Disabled
F30
1 = Enabled
F64
0 = 2nd
F30
0 = Disabled
F2
200 = 20.0% ƒ
o
F30
1 = Enabled
F64
0 = 2nd
F30
1 = Enabled
F2
200 = 20.0% ƒ
o
F1
10 = 0.10 s
F30
1 = Enabled
10 = 0.10 × CT
F3
F30
0 = Disabled
85 = 0.85 × VT
F3
F88
0 = Disabled
F88
0 = Disabled
F30
0 = Disabled
F30
0 = Disabled
F2
100 = 10.0% ƒ
o
↓
↓
GE Power Management
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