D.11
Date Code 20080918 Instruction Manual SEL-749M Relay
Modbus RTU Communications Protocol
Modbus Register Map
Modbus Register Map
Table D.23 Modbus Register Map
a
(Sheet 1 of 26)
Address
b
(Hex) Name/Enums
c
Units
Range
Scale
Fa c tor
DeviceNet
Parameter
Number
Low High Step
0000 Reserved 0 1 1
Global Settings
0001 (RW) PHASE ROTATION
0 = ABC
1 = ACB
01 1 101
0002 (RW) RATED FREQ.
0 = 50 Hz
1 = 60 Hz
Hz 0 1 1 102
0003 (RW) DATE FORMAT
0 = MDY
1 = YMD
2 = DMY
02 1 103
Main Settings
0004 (RW) PHASE CT RATIO 1 5000 1 1 104
0005 (RW) MOTOR FLA A 2 50000 0.1 0.1 105
0006 (RW) TWO SPEED ENABLE
0 = N
1 = Y
01 1 106
0007 (RW) CT RATIO–2nd 1 5000 1 1 107
0008 (RW) MOTOR FLA–2nd A 2 50000 0.1 0.1 108
0009 (RW) NEUTRAL CT RATIO 1 2000 1 1 109
000A (RW) PHASE PT RATIO 100 25000 0.01 0.01 110
000B (RW) LINE VOLTAGE V 100 30000 1 1 111
000C (RW) XFMR CONNECTION
0 = DELTA
1 = WYE
01 1 112
Thermal Overload
000D (RW) OVERLOAD ENABLE
0 = N
1 = Y
01 1 113
000E (RW) THERMAL METHOD
0 = RATING
1 = CURVE
01 1 114
000F (RW) OL RESET LEVEL %TCU 10 99 1 1 115
0010 (RW) SERVICE FACTOR 101 150 0.01 0.01 116
0011 (RW) MOTOR LRA xFLA 25 120 0.1 0.1 117
0012 (RW) LOCKD ROTOR TIME s 10 6000 0.1 0.1 118
0013 (RW) ACCEL FACTOR 10 150 0.01 0.01 119
0014 (RW) RUN STATE TIME K
0 = AUTO
min 0 2000 1 1 120
Courtesy of NationalSwitchgear.com
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