
CHAPTER 4: MODBUS MEMORY MAP
MEMORY MAP
750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE
4 - 19
0641
5
Pulse Output Negative Watthours
---
---
F49
---
0642
5
Pulse Output Positive Varhours
---
---
F49
---
0643
5
Pulse Output Negative Varhours
---
---
F49
---
0644
6
Ground Directional is Reverse
---
---
F49
---
0645
7
Reserved for MOD 010
---
---
F49
---
0646
8
User Input I
---
---
F49
---
0647
8
User Input J
---
---
F49
---
0648
8
User Input K
---
---
F49
---
0649
8
User Input L
---
---
F49
---
064A
8
User Input M
---
---
F49
---
064B
8
User Input N
---
---
F49
---
064C
8
User Input O
---
---
F49
---
064D
8
User Input P
---
---
F49
---
064E
8
User Input Q
---
---
F49
---
064F
8
User Input R
---
---
F49
---
0650
8
User Input S
---
---
F49
---
0651
8
User Input T
---
---
F49
---
0652
8
Autoreclose Rate Supervision
---
---
F49
---
0653
8
Restricted Earth Fault
---
---
F49
---
750/760 SETUP (read/write setpoints)
1000
Reserved
1001
Flash Message Time
0.5 to 10.0
s
F2
4.0 s
1002
Default Message Timeout
10 to 900
s
F1
300 s
1003
Default Message Intensity (25, 50, 75, or 100)
25 to 100
%
F1
25%
1004
1
Display Filter Constant
0 to 255
---
F1
0
1005
Reserved
1006
Set Date (2 words)
---
---
F23
01/01/2000
1008
Set Time (2 words)
---
---
F22
00:00:00.000
100A
760 Operation
---
---
F29
Not Ready
100B
2
IRIG-B Signal Type
---
---
F43
None
100C
14
Encrypted Passcode (4 words)
---
---
F33
00000000
EVENT RECORDER SETUP (read/write setpoints)
1010
Event Recorder Function
---
---
F30
Enabled
1011
Recording of Trip Events
---
---
F30
Enabled
1012
Recording of Alarm Events
---
---
F30
Enabled
1013
Recording of Control Events
---
---
F30
Disabled
1014
Recording of Logic Input Events
---
---
F30
Enabled
1015
Recording of Pickup Events
---
---
F30
Enabled
1016
Recording of Dropout Events
---
---
F30
Enabled
1017
8
Recording of Set Time/Date Events
---
---
F30
Enabled
TRACE MEMORY SETUP (read/write setpoints)
1018
Buffer Organization
10
---
---
F92
16 x 512
1019
Trigger Position
0 to 100
%
F1
25%
101A
Trigger Source
---
---
F82
Pickup & Trip
DEFAULT MESSAGES (read/write setpoints)
1020
Number Of Messages Selected (read only)
0 to 20
---
F1
3
1021
Default Message #1
---
---
F32
---
1022
Default Message #2
---
---
F32
---
1023
Default Message #3
---
---
F32
---
Table 3: Modbus Memory Map (Sheet 14 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.