1.5 Predictive Maintenance Function
C1-16
ME0384-4A
Chapter 1 Maintenance and Inspection
Parameters related are as follows.
[Overload Load Level Ratio (Parameter No.143)]
No. Name Unit Input range
Default initial value setting
143 Overload load level ratio % 50 to 100 100
Outputs alarm code 048 overload warning (message level) when motor temperature exceeds the
ratio set in this parameter if motor temperature under rated operation is set as 100%.
No judgment will be made when set as 100%.
The ratio also can be set in the maintenance information screen in the teaching tool.
[Minor Trouble Alarm Output Select (Parameter No. 151)]
No. Name Unit Input range
Default initial value setting
151
Minor trouble alarm
output select
－
Output
1: Message level alarm
output
1
If 0 is set, when overload load level ratio (Parameter No. 143) is exceeded, a minor malfunction
alarm signal *ALML will be output.
If 1 is set, when a message level alarm is generated, *ALML signal will be output.
[In case of EC connection unit (elecylinder)]
● For ELECYLINDER, it is not in the parameters, but in the maintenance information screen in the
teaching tool to set the ratio. When each setting values are exceeded, there should be
"Maintenance Warning 3" generated and the status LED on ELECYLINDER should flash in
green and red in turns to notify.
● When the motor temperature rise value falls below the ratio set as "overload warning level",
"Maintenance warning 3" will be automatically cleared.
● When "Maintenance warning 3" is output, investigate the cause of the increase in load.
Maintenance such as greasing or reviewing the operating conditions is recommended.
● Setting it to "100%" will disable this function.
All of maintenance warning LEDs from 1 to 3 on
ELECYLINDER flash in green and red in turns.
/ alternate blinking
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