GE 745 TRANSFORMER MANAGEMENT RELAY - Page 271

GE Power Management 745 Transformer Management Relay 8-61
8 COMMUNICATIONS 8.3 MODBUS MEMORY MAP
8
FREQUENCY
DECAY
22D0 Frequency Decay Function --- --- --- F30 0 = Disabled
22D1 Frequency Decay Target --- --- --- F46 1 = Latched
22D2
Frequency Decay Minimum Operating Current 0.05 to 1.00 0.01
×
CT F3 20 = 0.20
×
CT
22D3 Frequency Decay Threshold 45.00 to 59.99 0.01 Hz F3
5950 = 59.5 Hz
22D4 Frequency Decay Rate 1 0.1 to 5.0 0.1 Hz/s F2 4 = 0.4 Hz/s
22D5 Frequency Decay Rate 2 0.1 to 5.0 0.1 Hz/s F2 10 = 1.0 Hz/s
22D6 Frequency Decay Rate 3 0.1 to 5.0 0.1 Hz/s F2 20 = 2.0 Hz/s
22D7 Frequency Decay Rate 4 0.1 to 5.0 0.1 Hz/s F2 40 = 4.0 Hz/s
22D8 Frequency Decay Block --- --- --- F87 0 = Disabled
22D9 Frequency Decay Current Sensing --- --- --- F30 1 = Enabled
22DA
Frequency Decay Minimum Operating Voltage 0.10 to 0.99 0.01
×
VT F3 50 = 0.50
×
VT
22DB Frequency Decay Delay 0.00 to 600.00 0.01 s F3 0 = 0.00 s
22DC Reserved
↓↓ ↓ ↓↓↓ ↓
22DF Reserved
OVER-
FREQUENCY
22E0 Overfrequency Function --- --- --- F30 0 = Disabled
22E1 Overfrequency Target --- --- --- F46 1 = Latched
22E2 Overfrequency Minimum Operating Current 0.05 to 1.00 0.01
×
CT F3 20 = 0.20
×
CT
22E3 Overfrequency Pickup 50.01 to 65.00 0.01 Hz F3
6050 = 60.5 Hz
22E4 Overfrequency Delay 0.00 to 600.00 0.01 s F3 500 = 5.00 s
22E5 Overfrequency Block --- --- --- F87 0 = Disabled
22E6 Overfrequency Current Sensing --- --- --- F30 1 = Enabled
22E7 Overfrequency Minimum Operating Voltage 0.10 to 0.99 0.01
×
VT F3 50 = 0.50
×
VT
22E8 Reserved
↓↓ ↓ ↓↓↓ ↓
22EF Reserved
5th
HARMONIC
LEVEL
22F0 5th Harmonic Level Function --- --- --- F30 0 = Disabled
22F1 5th Harmonic Level Target --- --- --- F46 0 = Self-reset
22F2 5th Harmonic Level Min.Operating Current 0.03 to 1.00 0.01
×
CT F3 10 = 0.10
×
CT
22F3 5th Harmonic Level Pickup 0.1 to 99.9 0.1 % ƒo F1
100 = 10.0% ƒ
o
22F4 5th Harmonic Level Delay 0 to 60000 1 s F1 10 s
22F5 5th Harmonic Level Block --- --- --- F87 0 = Disabled
22F6 Reserved
↓↓ ↓ ↓↓↓ ↓
22FF Reserved
VOLTS-PER-
HERTZ 1
2300 Volts-Per-Hertz 1 Function --- --- --- F30 0 = Disabled
2301 Volts-Per-Hertz 1 Target --- --- --- F46 0 = Self-reset
2302
Volts-Per-Hertz 1 Minimum Operating Voltage 0.10 to 0.99 0.01
×
VT F3 10 = 0.10
×
VT
Table 8–6: 745 MEMORY MAP (Sheet 45 of 57)
GROUP ADDR
(HEX)
DESCRIPTION RANGE STEP
VALUE
UNITS FORMAT
CODE
FACTORY
DEFAULT