
4 - 42
750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE
MEMORY MAP
CHAPTER 4: MODBUS MEMORY MAP
EVENT RECORDER INFORMATION (read only actual values)
2001
Number of Events Since Clear
0 to 65535
---
F1
0
2002
Event Recorder Last Cleared (2 words)
---
---
F23
---
EVENT RECORDER DATA (read only actual values)
2010
Record #N Date of Event (2 words)
---
---
F23
---
2012
Record #N Time of Event (2 words)
---
---
F22
---
2014
Record #N Cause of Event
---
---
F24
---
2015
Record #N Phase A Current Magnitude
0 to 65535
A
F1
---
2016
Record #N Phase B Current Magnitude
0 to 65535
A
F1
---
2017
Record #N Phase C Current Magnitude
0 to 65535
A
F1
---
2018
Record #N Ground Current Magnitude
0 to 65535
A
F1
---
2019
Record #N A-N (A-B) Voltage Magnitude
0.00 to 600.00
kV
F3
---
201A
Record #N B-N (B-C) Voltage Magnitude
0.00 to 600.00
kV
F3
---
201B
Record #N C-N (C-A) Voltage Magnitude
0.00 to 600.00
kV
F3
---
201C
Record #N System Frequency
0.00 to 90.00
Hz
F3
---
201D
Record #N Analog Input
0 to 65535
Units
F1
---
201E
1
Record #N Phase A Current Angle
0 to 359
°
Lag
F1
---
201F
1
Record #N Phase B Current Angle
0 to 359
°
Lag
F1
---
2020
1
Record #N Phase C Current Angle
0 to 359
°
Lag
F1
---
2021
1
Record #N Ground Current Angle
0 to 359
°
Lag
F1
---
2022
1
Record #N A-N (A-B) Voltage Angle
0 to 359
°
Lag
F1
---
2023
1
Record #N B-N (C-B) Voltage Angle
0 to 359
°
Lag
F1
---
2024
1
Record #N C-N Voltage Angle
0 to 359
°
Lag
F1
---
2025
1
Record #N Synchronizing RMS Voltage Magnitude
0.00 to 600.00
kV
F3
---
2026
1
Record #N Synchronizing Voltage Angle
0 to 359
° Lag
F1
---
2027
1
Record #N Synchronizing RMS Voltage Frequency
0.00 to 90.00
Hz
F3
---
2028
3
Record #N Sensitive Ground Current Magnitude
0.00 to 655.35
A
F3
---
2029
3
Record #N Sensitive Ground Current Angle
0 to 359
°
Lag
F1
---
TRACE MEMORY SELECTORS (read/write)
2100
Trace Memory Number Selector
0 to 65535
---
F1
0
2101
Trace Memory Channel Selector
---
---
F26
I
a
2102
Trace Memory Sample Selector (TMSS)
0 to 4095
---
F1
0
TRACE MEMORY INFORMATION (read/write)
2110
Number of Trace Memory Triggers Since Clear
0 to 65535
---
F1
---
2111
Number of Trace Memory Samples Stored
0 to 4096
---
F1
---
2112
Trace Memory Start Index
0 to 4095
---
F1
---
2113
Trace Memory Trigger Index
0 to 4095
---
F1
---
2114
Trace Memory Trigger Cause
---
---
F24
---
2115
Trace Memory Trigger Date
---
---
F23
---
2117
Trace Memory Trigger Time
---
---
F22
---
2119
Trace Memory Sampling Frequency
16.00 to 65.00
Hz
F3
---
TRACE MEMORY SAMPLES (read/write)
2120
Trace Memory Sample TMSS+0
---
---
F25
---
2121
Trace Memory Sample TMSS+1
---
---
F25
---
2122
Trace Memory Sample TMSS+2
---
---
F25
---
2123
Trace Memory Sample TMSS+3
---
---
F25
---
2124
Trace Memory Sample TMSS+4
---
---
F25
---
2125
Trace Memory Sample TMSS+5
---
---
F25
---
2126
Trace Memory Sample TMSS+6
---
---
F25
---
2127
Trace Memory Sample TMSS+7
---
---
F25
---
Table 3: Modbus Memory Map (Sheet 37 of 40)
ADDR
DESCRIPTION
RANGE
UNITS
TYPE
DEFAULT
1 2 3 4 5 6 7 8 9 10 11 12 13
For explanation of Table footnotes, see the Memory Map Notes at the end of this table.