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CHAPTER 2: MODBUS COMMUNICATION
MODBUS MEMORY MAP
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – COMMUNICATIONS GUIDE
77
408C
Network Address NSAP
---
---
---
F074
0
4096
Configure IP Network
0 to 1
---
1
F126
0 (No)
4097
TFTP Main IP Port Number
1 to 65535
---
1
F001
69
4098
TFTP Data IP Port Number (4 items)
0 to 65535
---
1
F001
0
409C
DNP Channel 1 Port
0 to 3
---
1
F177
0 (None)
409D
DNP Channel 2 Port
0 to 2
---
1
F174
0 (None)
409E
DNP Channel 1 Address
0 to 65519
---
1
F001
1
409F
DNP Client Address (5 items)
0 to 4294967295
---
1
F003
0
40A9
DNP IP Port Number
1 to 65535
---
1
F001
20000
40AA
DNS Unsol Function
0 to 1
---
1
F102
0 (Disabled)
40AB
DNP Unsol Timeout
0 to 60
s
1
F001
5
40AC
DNP Unsol Max Retries
1 to 255
---
1
F001
10
40AD
DNP Unsol Dest Address
0 to 65519
---
1
F001
1
40AE
DNP Current Scale Factor
0 to 8
---
1
F194
2 (1)
40AF
DNP Voltage Scale Factor
0 to 8
---
1
F194
2 (1)
40B0
DNP Power Scale Factor
0 to 8
---
1
F194
2 (1)
40B2
DNP Power Factor Scale Factor
0 to 8
---
1
F194
2 (1)
40B3
DNP Other Scale Factor
0 to 8
---
1
F194
2 (1)
40B4
DNP Current Default Deadband
0 to 100000000
---
1
F003
30000
40B6
DNP Voltage Default Deadband
0 to 100000000
---
1
F003
30000
40B8
DNP Power Default Deadband
0 to 100000000
---
1
F003
30000
40BC
DNP Power Factor Default Deadband
0 to 100000000
---
1
F003
30000
40BC
DNP Power Factor Default Deadband
0 to 100000000
---
1
F003
30000
40BE
DNP Other Default Deadband
0 to 100000000
---
1
F003
30000
40C0
DNP Time Sync Period
1 to 10080
min
1
F001
1440
40C1
DNP Fragment Size
30 to 2048
---
1
F001
240
40C2
DNP Number of Paired Controls
0 to 32
---
1
F001
0
40C3
DNP Binary Data Block (58 items)
0 to 56
---
1
F197
0 (Not Used)
40FD
DNP Object 1 Default Variation
1 to 2
---
1
F001
2
40FE
DNP Object 2 Default Variation
1 to 3
---
1
F001
2
40FF
DNP Object 20 Default Variation
0 to 3
---
1
F523
0 (1)
4100
DNP Object 21 Default Variation
0 to 3
---
1
F524
0 (1)
4101
DNP Object 22 Default Variation
0 to 3
---
1
F523
0 (1)
4102
DNP Object 23 Default Variation
0 to 3
---
1
F523
0 (1)
4103
DNP Object 30 Default Variation
1 to 5
---
1
F001
1
4104
DNP Object 32 Default Variation
0 to 5
---
1
F525
0 (1)
4105
DNP TCP Connection Timeout
10 to 300
---
1
F001
120
4106
DNP Communications Reserved (9 items)
0 to 1
---
1
F001
0
Absolute Timer (Read Only)
4100
Second of Minute
0 to 60
---
1
F001
0
4101
Minute of Hour
0 to 59
---
1
F001
0
4102
Hour of Day
0 to 23
---
1
F001
0
4103
Day of Week
0 to 6
---
1
F001
0
4104
Day of Month
1 to 31
---
1
F001
1
4105
Day of Year
1 to 366
---
1
F001
1
4106
Month of Year
1 to 12
---
1
F001
1
4107
Year
1970 to 2168
---
1
F001
1970
Address Description
Range
Units
Step
Format Default