CHAPTER 4: MODBUS MEMORY MAP
DATA FORMATS
750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE
4 - 47
F13
Hardware Revision
1
A
2
B
↓
↓
26
Z
F14
Software Revision
0F00h
Major Revision Number (0 to 9 in steps of 1)
00F0h
Minor Revision Number (0 to 9 in steps of 1)
000Fh
Ultra Minor Revision No. (0 to 9 in steps of 1)
Example: Revision 2.83 stored as 0283 hex
F15
Installed Options
0001h
Phase Current (0 = 1 A, 1 = 5 A)
0002h
Ground Current (0 = 1 A, 1 = 5 A)
0004h
3
Sensitive Ground Current (0 = 1 A, 1 = 5 A)
0020h
Power Supply (0 = LO, 1 = MID, 2 = HI)
0080h
Breaker Closed LED (0 = Red, 1 = Green)
0300h
Analog Outputs (0 = A1, 1 = A5, 2 = A20, 3 = A10)
3000h
0 = Not applicable
2 = Enhanced display
3 = Enhanced display with Ethernet
8000h
750/760 Product Selector (0=750, 1=760)
F16
Demand Interval/response
0
5 min.
1
10 min.
2
15 min.
3
20 min.
4
30 min.
5
60 min.
F17
Communication Hardware
0
RS485
1
RS422
F18
Line VT Connection
0
V
an
1
V
bn
2
V
cn
3
V
ab
4
V
cb
F19
Command Operation Code
0
No Operation
1
Reset
2
Open Breaker
3
Close Breaker
4
Set Time
5
Set Date
6
Trigger Trace Memory
7
Clear Energy Use Data
8
Clear Max Demand Data
Table 4: Data Formats (Sheet 2 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.