Areva MiCOM P921, Technical Manual, Page: 248 / 376

P92x/EN CT/E11 Technical Guide
Modbus Protocol
Page 58/118 MiCOM P921-P922-P923
CODE DESCRIPTION
F64 Fault record data
1
st
word : Fault record number
2 nd word : Fault date (sec) : second number since 01/01/94
3 rd word : Fault date (sec) : second number since 01/01/94
4 th word : Fault date (ms)
5 th word : Fault date (ms)
6
th
word : Fault date (season ; 0 = winter, 1 = summer, 2 = non defined)
7 th word : Active setting group while the fault occurrence (1 or 2)
8 th word : Faulty phase : (0 = none, 1 = phase A, 2 = phase B, 3 = phase C, 4 =
phases AB, 5 = phases AC, 6 = phases BC, 7 = phases A-B-C, 8 = earth)
9
th
word : Cause of the fault record : refer to format F65 F69 ( Code of the fault)
10 th word : Fault value magnitude (fundamental value) : refer to format F68
11 th word : Phase A voltage magnitude (True RMS value) : refer to format F68
12 th word : Phase B voltage magnitude (True RMS value) : refer to format F68
13 th word : Phase C voltage magnitude (True RMS value) : refer to format F68
14
th
word : Zero sequence voltage magnitude (True RMS value) : refer to format F68
F65 Disturbance records data
1
st word : Samples number contained in the mapping
2 nd word : Pre-time sample number
3
rd
word : Post-time sample number
4
th
word : Primary value of phase CT
5 th word : Secondary value of phase CT
6 th word : Primary value of residual CT
7 th word : Secondary value of residual CT
8 th word : Internal ratio of phase CT
9
th
word : Internal ratio of residual CT
10
th
word : Primary phase VT value (LSB)
11 th word : Primary phase VT value (MSB)
12 th word : Secondary phase VT value
13 th word : Primary residual VT value (LSB)
14
th
word : Primary residual VT value (MSB)
15
th
word : Secondary residual VT value
16 th word : Internal ratio-numerator (100)
17 th word : Internal ratio-denominator ( 12600 or 3400)
18 th word : Address of the last page containing samples
19
th
word : Words number contained in the last page