Factory Automation

Function expansion options MELFA Smart Plus

MELFA Smart Plus Features

Predictive maintenance function

Predictive maintenance function

The predictive maintenance function lets you know of failing or deteriorating parts at an early stage. This reduces downtime.

  • The preventive maintenance function (A-type function) is also available if this predictive maintenance function (B-type function) is activated.

Supported MELFA Smart Plus card type

A brand encompassing Mitsubishi Electric's proprietary AI technology, including "compact AI" and AI basic and a pplied technologies.

For details on this function, please refer to the catalog "MELFA Smart Plus".

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Fault detection function

  • Applicable parts: Reduction gears, encoders, batteries.
  • The fault detection function detects failing or deteriorating robot parts at an early stage.
  • Detecting failing parts before abnormalities in robot behavior become apparent reduces downtime.
  • Set a threshold value that suits your needs.
    A warning of failing or deteriorating parts will trigger if the value exceeds the predetermined detection level.

*The score is calculated for reduction gears while the motor is running at a speed of 500 rpm or more.

Predictive maintenance function
Fault detection function

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Supported devices

MELFA Smart Plus card type

Component name Model name
MELFA Smart Plus card B-type 2F-DQ521
MELFA Smart Plus card pack AB-Type 2F-DQ520


Some joints do not support the fault detection function. Details can be found from MELFA Smart Plus catalog.

Robot Type Robot controller RT ToolBox3
FR series RV-2FR(L), RV-4FR(L), RV-7FR(L/LL), RV-13FR(L), RV-20FR
CR800-D/R/Q Ver.A4 or later. Ver.1.50C or later
CR series RV-8CRL
CR800-D Ver.A5p or later Ver.1.90U or later

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