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motors, pumps and fans based on solid-borne vibrations, it automatically determines the
vibrations. The condition monitoring system appropriate alarm thresholds. As soon as enough
determines the three general parameters measurement data is available, the preset alarm
(ISO10816, RMS [broadband], and the peak-to- thresholds are automatically replaced by the newly
peak value) based on the acceleration signal and its determined alarm thresholds. An LED on the
envelope curve. Not only can operators call up these SmartCheck immediately alerts the operator when
individual parameters using the SmartWeb an alarm threshold is exceeded.
webserver, which is integrated into the device, they The device features the SLMP communication
can also graphically display their trend curve over protocol from Mitsubishi, which enables direct
time. Changes are therefore very easy to identify. transmission of parameters and alarm statuses to
Moreover, a temperature sensor is integrated into the control system without having to lay any
the device, which allows additional trend additional cables.
monitoring of the temperature. General monitoring is perfectly enough for many
machines and systems. In addition, there is also an
Learning mode and alarm thresholds option for monitoring specific frequencies, such as
Every machine has its own characteristic vibration those found in damaged rolling bearings, gear teeth,
level, which is why the alarm thresholds need to be and fan propellers using SmartCheck. All the user
adjusted specifically to the machine during initial needs to do when configuring SmartWeb is to
operation. For this reason, SmartCheck has an specify some basic data about the components to
automatic learning mode. Based on the measured be monitored, such as the bearing designation or

April 2020 • INDUSTRIAL TECHNOLOGY EXTRA! • p17