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CHAPTER 2: MODBUS PROTOCOL
Table 2-4: 745 memory map (Sheet 23 of 56)
Addr
Description
100E
COM2 parity
100F
Front port baud rate
1010
Front port parity
1011
Local reset block
1012
Remote reset signal
1013
IRIG-B signal type
1014
Active setpoint group
1015
Edit setpoint group
1016
Setpoint group 2 activate signal
1017
Setpoint group 3 activate signal
1018
Setpoint group 4 activate signal
1019
Clear event recorder signal
101A
DNP port
101B
101C
↓
↓
101F
Reserved
Default messages
1020
Default messages selected [read only]
1023
Default message #2 (2 registers)
1025
Default message #3 (2 registers)
1027
Default message #4 (2 registers)
1029
Default message #5 (2 registers)
1031
Default message #9 (2 registers)
1033
Default message #10 (2 registers)
1035
Default message #11 (2 registers)
1037
Default message #12 (2 registers)
1039
Default message #13 (2 registers)
103B
Default message #14 (2 registers)
103D
Default message #15 (2 registers)
103F
Default message #16 (2 registers)
1041
Default message #17 (2 registers)
1043
Default message #18 (2 registers)
1045
Default message #19 (2 registers)
1047
Default message #20 (2 registers)
1049
Default message #21 (2 registers)
104B
Default message #22 (2 registers)
104D
Default message #23 (2 registers)
104F
Default message #24 (2 registers)
1051
Default message #25 (2 registers)
1053
Default message #26 (2 registers)
1055
Default message #27 (2 registers)
1057
Default message #28 (2 registers)
745 TRANSFORMER PROTECTION SYSTEM - COMMUNICATIONS GUIDE
Range
Step
Units
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0 to 30
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MODBUS PROTOCOL
Format
Default
F73
F31
5 = 19200 Bd
F73
F87
F88
F84
0 = None
F60
0 = Group 1
F74
4 = Active Grp
F88
0 = Disabled
F88
0 = Disabled
F88
F88
0 = Disabled
F99
0=None
↓
↓
F1
1
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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F32
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2-35
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