IAI PCON-CB series User Manual

7. Maintenance and Inspection
7.6 Predictive Maintenance Function
7-13 ME0342-4B
7.6.2 Overload Warning
Using this function enables monitoring of motor temperature changes caused by dried-up
grease or wear and tear on parts. A warning is output when the preset value is exceeded.
This enables detection of abnormalities before a breakdown or a malfunction occurs.
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 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.
Time
Example for motor temperature
change in error condition
Overload Alarm Detection Line
(100%)
Warning
Output
Overl oad “W arning” Line
Example for
motor temperature change in normal condition
Alarm Occurred
ROBO Cylinder stops.
Reset is required in order to recover from alarm.
Overl oad Warning Occurred
* Set in ratio to parameter load level
Setting can be e stablished w ith any
number from 50 to 99% w ith the
error detection level as 100% .
Alarm Output
Load
Increase
Ex
ample for
m
otor
t
emperature
c
hange
Load
Increase
Any m alfunction or trouble
can be prevented by
conducting maintenance
after the warning output.
Conduct Maintenance
Motor Temperature
ROBO Cylinder continues to operate.
Abnormal
Change!
Warning output enables detection of items
such as those below.
Time to supply grease
Time to replace components
Time to implement mechanical tuning

IAI PCON-CB series Specifications

General

Brand	IAI
Model	PCON-CB series
Category	Controller
Language	English