4-28
Operation Within SEL-2030
Date Code 980420
SEL-2711 Instruction Manual
Relative
Address
Description
160+(
n
/2)
Last row or two of target data; if there is an odd number of bytes of data,
the MSB will contain the last item; if there is an even number, the LSB will
contain the last item
161+(
n
/2)-209
Reserved - always returns 8000h
Event Data
The event data is extracted from the first history record. 20HISTORY collection must be
occurring with the relay for this data to be available.
Table 4.12: Relay Event Data Holding Register Map
Relative
Address
Description
210
Month of last event
211
Day of last event
212
Year of last event
213
Hour of last event
214
Minute of last event
215
Second of last event
216
Millisecond of last event
217
52 A time in cyc/100
218
IV-Time in cyc/100
219
Energy in MJ/10
220
Event type - see
Event Type
subsection below
221
Shot
222
Fault location - whole part
223
Fault location - fractional part multiplied by 10000
224
Targets - see
Target Type
subsection below
225 - 233
Unused - always 8000h
234
Fault current - whole part in amps
235
Fault current - fractional part in amps/10000
236
Duration - whole part in seconds; for 50 Hz relays, must multiply this
value by 6/5 to get seconds