6-2
QDigital Input Snapshot Log: The Digital Input Log will fill to the total allocated memory. The
number of records possible in the Digital Input Log is the total memory allocated divided by the
record size (size of a Digital Input Snapshot).
QDigital Output Log: The Digital Output Snapshot Log stores records in order to document the
stages used when changing states of Digital Outputs.
QDigital Output Snapshot Log: The Digital Output Log will fill to the total allocated memory. The
number of records possible in the Digital Output Log is the total memory allocated divided by the
record size (size of a Digital Output Snapshot).
QFlicker Log: The Flicker Log stores records to document Short Term and Long Term Flicker.
QSystem Event Log: The Systerm Event Log will record the system changes made into the meter.
Password changes, Power Reset and Programmable Setting changes are recorded in this log.
6.2: Historical Log 1 Format
Profile Information is in the Programmable Settings Block
QHistorical Log 1: Historical Log 1 will fill to the total allocated memory. The number of records
possible in Historical Log 1 is the total memory allocated divided by the record size (size of a
Historical Log 1 snapshot).
QHistorical Log 1 Record Size: (45463)
This Register is an enumeration for the size of a record in the Historical Log. The valid values are:
0x00000 = 32 byte records
0x00001 = 64 byte records
0x00002 = 128 byte records
0x00003 = 256 byte records
0x00004 = 16 byte records
QHistorical Log 1 Data Pointers: (45205-45332)
These Registers indicate which information to include in a record in the Historical Log. Each Data
Pointer has the following 4 (four) byte structure:
Size Format Description
2 byte unsigned int Line Number
1 byte unsigned char Point number
1 byte unsigned char Reserved
ALine Number is an index into the Communication Table. Example - Line Number 11 is for the 12th
line in the Communication Table, 0.1 second Phase-to-Neutral Voltages. Data Pointers with Line
Numbers greater than the number of lines in the table are ignored.
APoint Number is an index into the Communication Table.
Example: Point Number 1 is for the second entry in a Line. Line Number 11, Point Number 1 is the
second in the twelfth line, 0.1 second VBN. Data Pointers with Point Numbers greater than the number of