Appendix D Event and Data Logging 77
Appendix D Event and Data
Logging
11. Appendix D Event and Data Logging
The PM172EH has a 0.5-Megabyte onboard non-volatile memory for
data, event and waveform recording.
Before using event and data recorders, the PM172EH memory should be
partitioned between log files. The device memory is fully configurable.
The user defines how much memory to allocate for each log file. At the
factory, the memory is pre-configured for use with most applications. If
you want to change the factory settings, follow the guidelines in the
section below. You will need to use the PAS software package supplied
with your meter to configure the device memory.
Configuring Device Memory
The PM172EH memory can be partitioned for a total of 11 log files:
• Event Log
• 8 Data Logs
• 2 Waveform Logs
To view the present device memory settings, select Memory/Log from the
Meter Setup menu, and then click on the Log Memory tab.
The available file options are described in the following table.
Option Range Description
Type Wrap around,
Non-wrap
Monthly profile
Daily profile
Defines the file behavior when it is filled up.
WRAP AROUND: recording continues over
the oldest records.
NON-WRAP: recording is stopped until the
file is cleared.
MONTHLY PRF: monthly TOU profile data log
(only for data log #7).
DAILY PRF: daily TOU profile data log (only
for data log #8).
Size Shows the size of the memory allocated to
the file. It is set automatically depending on
the size of a file record and the number of
records in the file.
Sections/Channels 0-10 Shows the numbers of sections (registers) in
a multi-section TOU profile data log file or
the number of recording channels in a
waveform log file
Num. of Records 0-65535 Allocates the file memory for predefined
number of records
Num. of Events 0-65535 Shows the total number of events that can
be stored in the file
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