12 Descriptions of Parameter Settings | VFD-ED
Most Recent Output Torque Ratio before Brake Torque Test Failure
Control Mode
VF VFPG SVC FOCPG FOCPM Default: Read only
Settings 0.00–3.00
Records the most recent output torque ratio before brake torque test failure
For example: When brake torque test fails in the fifth time, the output torque ratio of brake torque test
failed in the fourth times, that is 0.40, will be displayed.
Minimum Output Torque Ratio Allowed during Brake Torque Test
Control Mode
VF VFPG SVC FOCPG FOCPM Default: 0.00
Settings 0.00–2.00
For example: When brake torque test fails in the fifth times, and the output torque ratio of brake torque test
failed in the fourth times Pr.07-35 is smaller than Pr.07-36, it means the brake torque test fails, and fault
code btt (BTTx Fail) will be triggered on display.
Maximum Output Torque Ratio Allowed during Brake Torque Test
Control Mode
VF VFPG SVC FOCPG FOCPM Default: 0.00
Settings 0.00–2.00
For example: When brake torque test fails in the fifth time,
1. If the output torque ratio of brake torque test in the fifth time Pr.07-35
≥ Pr.07-36, then brake torque
test succeeds, warning code bttS (BTTx Success) will be displayed on keypad.
2. If the output torque ratio of brake torque test in the fifth time Pr.07-35 < Pr.07-36, then brake torque
test is valid, warning code bttn (BTTx Success) will be displayed on keypad. In this case, check if it is
necessary to adjust Pr.07-37 and execute the brake torque test again.
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