Parameter Details
2
2.9 L: Protection Functions
YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING 403
Note:
The detection level is automatically calculated when L8-51 = 0.
■ L8-52: STPo Integration Level
No.
(Hex.)
Name Description
Default
(Range)
L8-52
(0472)
Expert
STPo Integration Level
Sets the detection level for STPo [Motor Step-Out Detected] related to the ACR integral value.
1.0
(0.1 - 2.0)
■ L8-53: STPo Integration Time
No.
(Hex.)
Name Description
Default
(Range)
L8-53
(0473)
Expert
STPo Integration Time
Sets the length of time until the drive detects STPo after it is more than the value of L8-51 [STPo I
Detection Level].
1.0 s
(1.0 - 10.0 s)
■ L8-54: STPo Id Diff Detection
No.
(Hex.)
Name Description
Default
(Range)
L8-54
(0474)
Expert
STPo Id Diff Detection
Sets the Id deviation detection function for STPo [Motor Step-Out Detected].
1
(0, 1)
0 : Disabled
1 : Enabled
■ L8-55: Internal DB TransistorProtection
No.
(Hex.)
Name Description
Default
(Range)
L8-55
(045F)
Internal DB
TransistorProtection
Sets the protection function for the internal braking transistor.
1
(0, 1)
0 : Disable
Disables braking transistor protection.
Use this setting, if enabling the braking transistor can cause an rF [Braking Resistor Fault] in these conditions:
• With a regenerative converter, for example D1000.
• With a regenerative unit, for example R1000.
• When connecting braking resistor options to the drive, for example CDBR units.
• Without an internal braking transistor.
1 : Protection Enabled
Protects internal braking transistor when using a braking transistor or optional braking resistors.
■ L8-56: Stall P @ Accel Activation Time
No.
(Hex.)
Name Description
Default
(Range)
L8-56
(047D)
Expert
Stall P @ Accel Activation
Time
Sets the length time that the acceleration stall prevention function can continue to operate before the
drive detects an STPo [Motor Step-Out Detected].
5000 ms
(100 - 5000 ms)
Note:
If this value is too small, it can cause incorrect detection of STPo. If this value is too large, the drive will not detect STPo.
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