GE Multilin 750/760 Feeder Management Relay 7-41
7 COMMUNICATIONS 7.4 MODBUS MEMORY MAP
7
F21
ctd.
0080h Setpoint Group 4 (0 = Disabled, 1 = Enabled)
0100h Breaker Open (0 = Closed, 1 = Open)
0200h Breaker Closed (0 = Open, 1 = Closed)
0400h Reclosure (0=Disabled, 1=Enabled), 760 only
0800h Reclosure (0=Enabled, 1=Disabled), 760 only
1000h Reclosure In Progress (0 = Not In Progress,
1 = In Progress) – 760 only!
2000h Reclosure Lockout (0 = Not In Lockout,
1 = In Lockout) – 760 only!
4000h Local Mode (0 = Enabled, 1 = Disabled)
8000h Message (0 = No Diagnostic Message,
1 = Diagnostic Messages)
F22 TIME (32 bits)
Hours / Minutes (HH:MM:xx.xxx) 1st 16 bits
FF00h Hours (0= 12am, 1=1am,..., 23=11pm)
00FFh Minutes (0 to 59 in steps of 1)
Seconds (xx:xx:SS.SSS) (2nd 16 bits)
FFFFh (0 = 00.000 s, 1=00.001 s, 59999=59.999 s)
NOTE: If the time has never been set then all 32 bits will be 1.
F23 DATE (32 bits)
Month / Day (MM/DD/xxxx) (2nd 16 bits)
FF00h Month (1 = January,..., 12 = December)
00FFh Day (1 to 31 in steps of 1)
Year (xx/xx/YYYY) (2nd 16 bits)
FFFFh 1990 to 2089 in steps of 1
NOTE: If the date has never been set then all 32 bits will be 1.
F24 EVENT TYPE
F000h EVENT TYPE (first 4 bits)
1 General
2 Pickup
3Trip
4
8
Alarm
5Control
6 Logic Input
7Self-Test Warning
8 Dropout
The format for the rest of the register depends on Event Type
GENERAL EVENT TYPE
00FFh EVENT CAUSE (last 8 bits)
1 Control Power Off
2 Control Power On
3 Breaker Opened
4 Breaker Closed
5 Breaker Not Connected
6 Reset
7 Open Breaker
8 Close Breaker
9Set Time
10 Set Date
11 Trigger Trace Memory
12 Clear Energy Use
13 Clear Max Demand
14 Clear Event Recorder
15 Reset Trip Counter
Table 7–7: MEMORY MAP DATA FORMATS (SHEET 3 OF 17)
TYPE VALUE DESCRIPTION
1 2 3 4 5 6 7 8 9 For explanation of footnotes, see notes of end of Table.
F24
ctd.
16 Reset Arcing Current
17 Display Override Message
18 Trigger Data Logger
20 Transfer Initiated
21 Transfer Not Ready
22 Close From Transfer
23 Trip From Transfer
30 Reclosure 1 760 only!
31 Reclosure 2 760 only!
32 Reclosure 3 760 only!
33 Reclosure 4 760 only!
34 Reclosure Lockout 760 only!
35 Shots Reduced to 3 760 only!
36 Shots Reduced to 2 760 only!
37 Shots Reduced to 1 760 only!
38 Shots Reduced to L/O 760 only!
39 Autoreclose Reset 760 only!
40 Setpoint Group 1 Active
41 Setpoint Group 2 Active
42 Setpoint Group 3 Active
43 Setpoint Group 4 Active
44
7
Reset AR Count 760 only!
45
7
Reset AR Shot Rate 760 only!
PICKUP / TRIP / ALARM LATCHED ALARM / CONTROL /
DROPOUT EVENT TYPES
FF00h PHASES (first 8 bits)
0100h Phase A (0 = No Fault, 1 = Fault)
0200h Phase B (0 = No Fault, 1 = Fault)
0400h Phase C (0 = No Fault, 1 = Fault)
00FFh CAUSE OF EVENT (last 8 bits)
1
2
Phase Time Overcurrent 1
2
2
Phase Instantaneous Overcurrent 1
3
2
Phase Instantaneous Overcurrent 2
4
2
Ground Time Overcurrent
5
2
Ground Instantaneous Overcurrent
6
2
Neutral Time Overcurrent 1
7
2
Neutral Time Overcurrent 2
8
2
Neutral Instantaneous Overcurrent 1
9
2
Neutral Instantaneous Overcurrent 2
10
2
Phase Directional is Reverse
11
2
Neutral Directional is Reverse
12
2
Manual Close Feature Blocking
13 Cold Load Pickup Feature Blocking
14 Bus Undervoltage 1
15 Bus Undervoltage 2
16 Line Undervoltage 3
17 Line Undervoltage 4
18 Overvoltage 1
19 Overvoltage 2
20 Underfrequency 1
21 Underfrequency 2
22 Phase Current Level
23
1
Neutral Current Level
Table 7–7: MEMORY MAP DATA FORMATS (SHEET 4 OF 17)
TYPE VALUE DESCRIPTION
1 2 3 4 5 6 7 8 9 For explanation of footnotes, see notes of end of Table.
Courtesy of NationalSwitchgear.com
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