GE TRANSFORMER MANAGEMENT RELAY 745 Instruction Manual page 213

7 COMMUNICATIONS
Table 7–5: 745 MEMORY MAP (Sheet 31 of 35)
GROUP ADDR
(HEX)
FREQUENCY 22C8
DECAY
↓
22CF
22D0
22D1
22D2
22D3
22D4
22D5
22D6
22D7
22D8
22D9
22DA
22DB
22DC
↓
22DF
OVER- 22E0
FREQUENCY
22E1
22E2
22E3
22E4
22E5
22E6
22E7
22E8
↓
22EF
5th HARMONIC 22F0
LEVEL
22F1
22F2
22F3
22F4
22F5
22F6
↓
22FF
VOLTS-PER- 2300
HERTZ 1
2301
2302
2303
2304
2305
2306
2307
2308
↓
230F
GE Multilin
Courtesy of NationalSwitchgear.com
DESCRIPTION
Reserved
↓
Reserved
Frequency Decay Function
Frequency Decay Target
Frequency Decay Minimum Operating Current
Frequency Decay Threshold
Frequency Decay Rate 1
Frequency Decay Rate 2
Frequency Decay Rate 3
Frequency Decay Rate 4
Frequency Decay Block
Frequency Decay Current Sensing
Frequency Decay Minimum Operating Voltage
Frequency Decay Delay
Reserved
↓
Reserved
Overfrequency Function
Overfrequency Target
Overfrequency Minimum Operating Current
Overfrequency Pickup
Overfrequency Delay
Overfrequency Block
Overfrequency Current Sensing
Overfrequency Minimum Operating Voltage
Reserved
↓
Reserved
5th Harmonic Level Function
5th Harmonic Level Target
5th Harmonic Level Min.Operating Current
5th Harmonic Level Pickup
5th Harmonic Level Delay
5th Harmonic Level Block
Reserved
↓
Reserved
Volts-Per-Hertz 1 Function
Volts-Per-Hertz 1 Target
Volts-Per-Hertz 1 Minimum Operating Voltage
Volts-Per-Hertz 1 Pickup
Volts-Per-Hertz 1 Shape
Volts-Per-Hertz 1 Delay
Volts-Per-Hertz 1 Reset
Volts-Per-Hertz 1 Block
Reserved
↓
Reserved
745 Transformer Management Relay
7.4 MODBUS MEMORY MAP
RANGE STEP UNITS
VALUE
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.05 to 1.00 0.01
45.00 to 59.99 0.01 Hz
0.1 to 5.0 0.1 Hz/s
0.1 to 5.0 0.1 Hz/s
0.1 to 5.0 0.1 Hz/s
0.1 to 5.0 0.1 Hz/s
--- --- ---
--- --- ---
× VT
0.10 to 0.99 0.01
0.00 to 600.00 0.01 s
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.05 to 1.00 0.01
50.01 to 65.00 0.01 Hz
0.00 to 600.00 0.01 s
--- --- ---
--- --- ---
× VT
0.10 to 0.99 0.01
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.03 to 1.00 0.01
0.1 to 99.9 0.1 % ƒo
0 to 60000 1 s
--- --- ---
↓ ↓ ↓
--- --- ---
--- --- ---
× VT
0.10 to 0.99 0.01
1.00 to 4.00 0.01 V/Hz
--- --- ---
0.00 to 600.00 0.01 s
0.0 to 6000.0 0.1 s
--- --- ---
↓ ↓ ↓
FORMAT 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
10 = 0.10 × CT
F3
F1 100 = 10.0% ƒo
F1 10 s
F87 0 = Disabled 7
↓ ↓
F30 0 = Disabled
F46 0 = Self-reset
10 = 0.10 × VT
F3
F3 236 = 2.36 V/Hz
F86 0 = Def. Time
F3 200 = 2.00 s
F2 0.0 s
F87 0 = Disabled
↓ ↓
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