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GE Multilin 489 Generator Management Relay 6-33
6 COMMUNICATIONS 6.3 MODBUS MEMORY MAP
6
30E2 HOTTEST OTHER RTD TEMPERATURE –50 to 250 1 °F F4 0
30E3 HOTTEST AMBIENT RTD TEMPERATURE –50 to 250 1 °F F4 0
30E5 NEUTRAL VOLT (FUND) 0 to 250000 1 Volts F10 0
30E7 NEUTRAL VOLT (3rd) 0 to 250000 1 Volts F10 0
30E9 Vab/Iab 0 to 65535 1 ohms s F1 0
30EA Vab/Iab ANGLE 0 to 359 1 ° F1 0
WAVEFORM MEMORY SETUP
30F0 WAVEFORM MEMORY TRIGGER DATE N/A N/A N/A F18 N/A
30F2 WAVEFORM MEMORY TRIGGER TIME N/A N/A N/A F19 N/A
30F4 FREQUENCY DURING TRACE ACQUISITION 0 to 12000 1 Hz F3 0
30F5 WAVEFORM MEMORY CHANNEL SELECTOR
(HOLDING REGISTER)
0 to 9 1 N/A F214 0
30F6 WAVEFORM TRIGGER SELECTOR 1 to 65535 1 N/A F1 0
30F7 WAVEFORM TRIGGER CAUSE (READ-ONLY) 0 to 139 1 N/A F134 0
30F8 NUMBER OF SAMPLES PER WAVEFORM CAPTURE 1 to 768 1 N/A F1 168
30F9 NUMBER OF WAVEFORM CAPTURES TAKEN 0 to 65535 1 N/A F1 0
WAVEFORM MEMORY SAMPLES
3100 FIRST WAVEFORM MEMORY SAMPLE –32767 to 32767 1 N/A F4 0
3400 LAST WAVEFORM MEMORY SAMPLE –32767 to 32767 1 N/A F4 0
1. Value of 65535 indicates ‘Never’
2. A value of 0xFFFF indicates “no measurable value”.
3. Maximum value turns feature ‘Off’
Table 6–1: 489 MEMORY MAP (SHEET 24 OF 24)
ADDR NAME RANGE STEP UNITS FORMAT DEFAULT
1, 2, 3 See Table footnotes on page 6–33