GE Multilin 745 Communications Manual page 73

CHAPTER 2: MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 55 of 56)
Addr Description
↓ ↓
3FFF Reserved
Trace memory (addresses 4000 to 47FF, read only)
4000 Trace memory last clear date (2 registers)
4002 Trace memory last clear time (2 registers)
4004 Total trace triggers since last clear
4005 Trace buffer selector index (XX) [r/w]
4006 Trace channel selector index (YY) [r/w]
4007 Reserved
4008 Reserved
↓ ↓
400F Reserved
4010 Selected trace buffer trigger date (2 registers)
4012 Selected trace buffer trigger time (2 registers)
4014 Selected trace buffer trigger cause
4015 Selected trace buffer trigger sample index
4016 Selected trace buffer system frequency
4017 Selected trace buffer channel YY sample 0
4018 Selected trace buffer channel YY sample 1
4018 Selected trace buffer channel YY sample 2
↓ ↓
4816 Selected trace buffer channel YY sample 2047
4817 Reserved
↓ ↓
5FFF Reserved
Playback memory (addresses 6000 to 680F, read/write)
Playback memory samples
6000 Playback channel selector index (XX)
6001 Reserved
6002 Reserved
↓ ↓
600F Reserved
6010 Selected playback channel sample 0
6011 Selected playback channel sample 1
6012 Selected playback channel sample 2
↓ ↓
680F Selected playback channel sample 2047
6810 Reserved
6811 Reserved
↓ ↓
815F Reserved
Analog output D/A counts
8160 Force analog output 1 D/A count
8161 Force analog output 2 D/A count
8162 Force analog output 3 D/A count
8163 Force analog output 4 D/A count
8164 Force analog output 5 D/A count
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
Range Step Units
↓ ↓
--- ---
--- ---
0 to 65535 1
1 to 65535 1
--- ---
↓ ↓
--- ---
--- ---
--- ---
0 to 1023 1
2.00 to 65.00 0.01
--- ---
--- ---
--- ---
↓ ↓
--- ---
↓ ↓
--- ---
↓ ↓
--- ---
--- ---
--- ---
↓ ↓
--- ---
↓ ↓
0 to 4095 1
0 to 4095 1
0 to 4095 1
0 to 4095 1
0 to 4095 1
MODBUS PROTOCOL
Format Default
↓ ↓ ↓
--- F23 ---
--- F22 ---
--- F1 ---
--- F1 ---
--- F65 ---
↓ ↓ ↓
--- F23 ---
--- F22 ---
--- F85 ---
--- F1 ---
Hz F3 ---
--- F70 ---
--- F70 ---
--- F70 ---
↓ ↓ ↓
--- F70 ---
↓ ↓ ↓
--- F69 ---
↓ ↓ ↓
--- F70 ---
--- F70 ---
--- F70 ---
↓ ↓ ↓
--- F70 ---
↓ ↓ ↓
--- F1 0
--- F1 0
--- F1 0
--- F1 0
--- F1 0
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