Parameter Details
12
12.9 L: Protection Functions
YASKAWA SIEPC71061737D GA800 Drive Technical Reference 1005
■ L8-51: STPo I Detection Level
No.
(Hex.)
Name Description
Default
(Range)
L8-51
(0471)
Expert
STPo I Detection Level
Sets the STPo [Motor Step-Out Detected] detection level as a percentage of the motor rated current.
0.0%
(0.0 - 300.0%)
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.
These models have a built-in braking transistor:
• 2004 to 2138
• 4002 to 4168
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