
Model 4525 Gate Monitor
Operator’s Manual
Ludlum Measurements, Inc.
Page 4
May 2018
Background.MDB – Stores background values for all active
RPMs once every minute.
EventLog.MDB – Stores information about the current status of
the software and RPMs.
The databases can be configured to be automatically archived at midnight to a
user-specified drive. During the archive process the free space on the hard
drive is checked. If the amount of free space drops below 20%, the archived
databases and image files are automatically purged beginning with the oldest
data first.
If the RCM4300 Ethernet board is installed instead of the RCM3700, the RPM
has the ability to log data to an internal SD card in the event that
communication is lost with the Supervisor computer. Once communication is
restored, the logged data is automatically transferred.