GE 750

4 - 52 750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE
DATA FORMATS CHAPTER 4: MODBUS MEMORY MAP
F24
ctd.
55 Underfrequency Restoration
56 Phase Time Overcurrent 2
57
1
Frequency Decay
58
1
Negative Sequence is Reverse
59
3
Sensitive Ground Instantaneous OC
60
3
Sensitive Ground Time Overcurrent
61
3
Sensitive Ground Direction is Reverse
62
4
Reverse Power (requires Mod 008)
63
4
Neutral Displacement
64
4
Positive Watthours Pulse Output
65
4
Negative Watthours Pulse Output
66
4
Positive Varhours Pulse Output
67
4
Negative Varhours Pulse Output
68
5
Ground Directional is Reverse
69
6
Reserved for Mod 010
70
7
User Input I
71
7
User Input J
72
7
User Input K
73
7
User Input L
74
7
User Input M
75
7
User Input N
76
7
User Input O
77
7
User Input P
78
7
User Input Q
79
7
User Input R
80
7
User Input S
81
7
User Input T
82
7
Autoreclose Rate 760 ONLY!
83
7
Restricted Earth Fault
Logic Input Event Type
FF00h States (first 8 bits)
0100h Contact State (0 = Open, 1 = Closed)
0200h Virtual State (0 = Off, 1 = On)
0400h Logic Input (0 = Not Asserted, 1 = Asserted)
00FFh Input Function (last 8 bits)
152a Contact
252b Contact
3 Breaker Connected
10 Local Mode
11 Remote Reset
12 Remote Open
13 Remote Close
14 Cold Load Pickup
15 Setpoint Group 2
16 Setpoint Group 3
17 Setpoint Group 4
20 User Input A
21 User Input B
Table 4: Data Formats (Sheet 7 of 20)
Type Value Description
1 2 3 4 5 6 7 8 9 10 11 12 13
For explanation of footnotes, see notes of end of Table.