Mitsubishi Electric CR800-D Series, User Manual

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Maintenance simulation 69
[Tact time calculation]
• The calculated tact time varies with the performance and load status of the
computer used and will not completely match the actual robot operating time (tact
time).
• Use this function as a rough yardstick for tact time study.
Under correct conditions, the results of tact time calculation with this software
have an error of about ±3% compared to the actual robot operating time (tact
time).
[Axis load level calculation]
• The axis load level numerically expresses the motor load.
• The robot will generate an overload error and stops protecting the motor when
the axis load level exceeds 100%.The calculated axis load level assumes
multiple iterations of the same operation.
However, be aware that stop will not occur in simulation even if the load level
exceeds 100%.
• There is a possibility that continuous operation will not be possible in an actual
robot when the calculated axis load level is high. You should lower the operation
frequency with the Dly command, and lower operation speed and the
acceleration with the Accel and the Ovrd commands, etc. Changing the operation
point may lower the operation point.
• Complete agreement with the calculated axis load level cannot be guaranteed
because the axis load level of an actual robot is influenced in robot individual
differences, the ambient temperature, the condition of the robot, etc. Use this
function as a rough yardstick for studying robot movement.
Caution
Caution