5-79
1
Before Using the Products
2
Preparation
3
Connection
4
Setup
5
Adjustment
6
When in Trouble
7
Supplement
7. Applied functions
Deterioration diagnosis warning function
Class No.
Title Function
5 75
Deterioration
diagnosis velocity
setting
Outputs deterioration diagnosis velocity output (V-DIAG)
when deterioration diagnosis warning is valid (Pr6.97
bit 1 = 1) and the motor velocity is within the range of
Pr5.75 ± Pr4.35 (velocity coinciding width).
* Deterioration diagnosis velocity output has a 10 [r/min]
hysteresis.
5 76
Deterioration
diagnosis torque
average time
Sets time required to calculate the torque command
average value when deterioration diagnosis warning
is valid (Pr6.97 bit 1 = 1) and diagnosis velocity output
(V-DIAG) is ON.
*
Time from diagnosis velocity output (V-DIAG) ON to the
start judgment for upper and lower value of torque command
average value is also a part of the set time for this parameter.
5 77
Deterioration
diagnosis torque
upper limit value
Sets the upper and lower limit values of torque command
average value when deterioration diagnosis warning
is valid (Pr6.97 bit 1 = 1) and deterioration diagnosis
velocity output (V-DIAG) is ON.
5 78
Deterioration
diagnosis torque
lower limit value
6 97
Function expansion
setting 3
Bit 1 to set the deterioration diagnosis warning function
to valid or invalid
0: invalid, 1: valid
Precautions
・
When the upper limit value is set to the maximum value, the upper limit judgment will become
invalid.
・
When the lower limit value is set to the minimum value, the lower limit judgment will become invalid.
・
In case upper limit value ≤ lower limit value, then both the upper limit and lower limit judgment will
become invalid
Contents
・
The following deterioration diagnosis warning functions can be used by setting bit 1 of
Pr6.97 (Function expansion setting 3) to 1.
(1) Deterioration diagnosis warning for load characteristic estimates
・
Deterioration diagnosis warning judgment for four load characteristics estimates (inertia
ratio, unbalanced load, dynamic friction, and viscous friction coefcient) can be used in
case real-time auto tuning load characteristics estimate is valid.
・
The abovementioned deterioration diagnosis warning judgment will become effective
when the required operational conditions for load characteristics estimate has continued
in total for Pr5.66 (deterioration diagnosis convergence judgment time) or more, and the
load characteristics estimate has converged. Once it has become effective, it will remain
in effect until Pr6.97 bit 1 is set to 0 (invalid) or the real-time auto tuning load
characteristics estimate is invalidated.
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