GE EPM 9650/9800 manual Flicker Log Format, System Event Log Format

6.13: Flicker Log Format

Flicker Log Format: The Flicker Log stores records in order to document Short Term and Long Term Flicker.

Record Format: A Record contains 32 Bytes.

The first eight bytes in each record is the Time Stamp, representing the time when the record was recorded. The format of the Time Stamp is:

Byte	Format	Range	Description
0	binary	0-99	century
1	binary	0-99	year
2	binary	1-12	month
3	binary	1-31	day
4	binary	0-23	hour
5	binary	0-59	minute
6	binary	0-59	second
7	binary	0-100	centisecond

The next eight bytes is a time stamp (in the same format as above), representing the time at the end of the interval for the included Short Term or Long Term Flicker values.

The next twelve bytes are three, four byte signed (2's compliment) integers, which are the Short Term or Long Term Flicker values, in the order:

Phase A

Phase B

Phase C

The next byte is indicates whether this record contains information on Short Term or Long Term

Flicker.
0x000	Short Term Flicker
0x001	Long Term Flicker
0x002-0x0FF	Undefined

The last three bytes are unused.

6.14: System Event Log Format

Record Format: A Record contains 16 Bytes.

The first eight bytes in each record is the Time Stamp. The format of the Time Stamp is:

Byte	Format	Range	Description
0	binary	0-99	century
1	binary	0-99	year
2	binary	1-12	month
3	binary	1-31	day
4	binary	0-23	hour
5	binary	0-59	minute

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