CHAPTER 2: MODBUS PROTOCOL
MODBUS PROTOCOL
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
2–49
1579
Output relay 6 operation
---
---
---
F66
0=self-resetting
157A
Output relay 6 type
---
---
---
F38
0 = Trip
157B
Output relay 6 FlexLogic™ (20 registers)
---
---
---
F47
---
158F
Reserved
1590
Reserved
↓
↓
↓
↓
↓
↓
↓
159F
Reserved
Output relay 7
15A0
Output relay 7 name (9 registers)
---
---
---
F33
Frequency Trip 2
15A9
Output relay 7 operation
---
---
---
F66
0=self-resetting
15AA
Output relay 7 type
---
---
---
F38
0 = Trip
15AB
Output relay 7 FlexLogic™ (20 registers)
---
---
---
F47
---
15BF
Reserved
15C0
Reserved
↓
↓
↓
↓
↓
↓
↓
15CF
Reserved
Output relay 8
15D0
Output relay 8 name (9 registers)
---
---
---
F33
Frequency Trip 3
15D9
Output relay 8 operation
---
---
---
F66
0=self-resetting
15DA Output relay 8 type
---
---
---
F38
0 = Trip
15DB Output relay 8 FlexLogic™ (20 registers)
---
---
---
F47
---
15EF
Reserved
15F0
Reserved
↓
↓
↓
↓
↓
↓
↓
15FF
Reserved
Trace memory
1600
Number of pre-trigger cycles
1 to 15
1
cycles
F1
12 cycles
1601
Trace memory trigger FlexLogic™ (10 registers)
---
---
---
F47
---
160B
Reserved
160C
Reserved
↓
↓
↓
↓
↓
↓
↓
19FF
Reserved
Virtual outputs
1A00
Virtual output 1 FlexLogic™ (10 registers)
---
---
---
F47
---
1A0A
Virtual output 2 FlexLogic™ (10 registers)
---
---
---
F47
---
1A14
Virtual output 3 FlexLogic™ (10 registers)
---
---
---
F47
---
1A1E
Virtual output 4 FlexLogic™ (10 registers)
---
---
---
F47
---
1A28
Virtual output 5 FlexLogic™ (10 registers)
---
---
---
F47
---
1A32
Reserved
1A33
Reserved
↓
↓
↓
↓
↓
↓
↓
1D7F
Reserved
Timers
1D80
Timer 1 start
---
---
---
F62
0 = End
1D81
Timer 1 pickup delay
0.00 to 600.00
0.01
s
F3
0.00 s
1D82
Timer 1 dropout delay
0.00 to 600.00
0.01
s
F3
0.00 s
1D83
Timer 2 start
---
---
---
F62
0 = End
Table 2–4: 745 memory map (Sheet 37 of 56)
Addr
Description
Range
Step
Units
Format
Default