GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 271

8 COMMUNICATIONS
Table 8–6: 745 MEMORY MAP (Sheet 45 of 57)
GROUP ADDR DESCRIPTION
(HEX)
FREQUENCY 22D0 Frequency Decay Function
DECAY
22D1 Frequency Decay Target
22D2 Frequency Decay Minimum Operating Current
22D3 Frequency Decay Threshold
22D4 Frequency Decay Rate 1
22D5 Frequency Decay Rate 2
22D6 Frequency Decay Rate 3
22D7 Frequency Decay Rate 4
22D8 Frequency Decay Block
22D9 Frequency Decay Current Sensing
22DA Frequency Decay Minimum Operating Voltage
22DB Frequency Decay Delay
22DC Reserved
↓
22DF Reserved
OVER- 22E0 Overfrequency Function
FREQUENCY
22E1 Overfrequency Target
22E2 Overfrequency Minimum Operating Current
22E3 Overfrequency Pickup
22E4 Overfrequency Delay
22E5 Overfrequency Block
22E6 Overfrequency Current Sensing
22E7 Overfrequency Minimum Operating Voltage
22E8 Reserved
↓
22EF Reserved
5th 22F0 5th Harmonic Level Function
HARMONIC
22F1 5th Harmonic Level Target
LEVEL
22F2 5th Harmonic Level Min.Operating Current
22F3 5th Harmonic Level Pickup
22F4 5th Harmonic Level Delay
22F5 5th Harmonic Level Block
22F6 Reserved
↓
22FF Reserved
VOLTS-PER- 2300 Volts-Per-Hertz 1 Function
HERTZ 1
2301 Volts-Per-Hertz 1 Target
2302 Volts-Per-Hertz 1 Minimum Operating Voltage
GE Power Management
RANGE
0.05 to 1.00
45.00 to 59.99
0.1 to 5.0
0.1 to 5.0
0.1 to 5.0
0.1 to 5.0
0.10 to 0.99
0.00 to 600.00
↓
0.05 to 1.00
50.01 to 65.00
0.00 to 600.00
0.10 to 0.99
↓
0.03 to 1.00
0.1 to 99.9
0 to 60000
↓
0.10 to 0.99
745 Transformer Management Relay
8.3 MODBUS MEMORY MAP
STEP UNITS FORMAT
VALUE
--- --- ---
--- --- ---
× CT
0.01
0.01 Hz
0.1 Hz/s
0.1 Hz/s
0.1 Hz/s
0.1 Hz/s
--- --- ---
--- --- ---
× VT
0.01
0.01 s
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.01
0.01 Hz
0.01 s
--- --- ---
--- --- ---
× VT
0.01
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.01
0.1 % ƒo
1 s
--- --- ---
↓ ↓ ↓
--- --- ---
--- --- ---
× VT
0.01
FACTORY
CODE DEFAULT
F30 0 = Disabled
F46 1 = Latched
20 = 0.20 × CT
F3
F3 5950 = 59.5 Hz
F2 4 = 0.4 Hz/s
F2 10 = 1.0 Hz/s
F2 20 = 2.0 Hz/s
F2 40 = 4.0 Hz/s
F87 0 = Disabled
F30 1 = Enabled
50 = 0.50 × VT
F3
F3 0 = 0.00 s
↓ ↓
F30 0 = Disabled
F46 1 = Latched
20 = 0.20 × CT
F3
F3 6050 = 60.5 Hz
F3 500 = 5.00 s
F87 0 = Disabled
F30 1 = Enabled
50 = 0.50 × VT
F3
↓ ↓
F30 0 = Disabled
F46 0 = Self-reset
8
10 = 0.10 × CT
F3
F1 100 = 10.0% ƒ
o
F1 10 s
F87 0 = Disabled
↓ ↓
F30 0 = Disabled
F46 0 = Self-reset
10 = 0.10 × VT
F3
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