1.8 L: Protection Functions
YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual 209
Parameter Details
1
■ L4-07: Speed Agreement Detection Selection
Determines when frequency detection is active using parameters L4-01 through L4-04.
Setting 0: No Detection during Baseblock
Setting 1: Detection Always Enabled
◆ L5: Fault Restart
The drive can be set up to performs a self-diagnostic check and resume the operation after a
fault has occurred. If the self-check is successful and the cause of the fault has disappeared,
the drive restarts by performing Speed Search (refer to b3: Speed Search on page 50 for
details).
The drive can attempt to restart itself following the faults listed below.
Use parameters L5-01 to L5-05 to set up automatic fault restart.
To output a signal during fault restart, set H2-01, H2-02, or H2-03 to 1E.
Do not use the fault restart function in hoist applications.
■ L5-01: Number of Auto Restart Attempts
Sets the number of number of times that the drive may attempt to restart itself.
No. Name Setting Range Default
L4-07 Speed Agreement Detection Selection 0 or 1 0
• GF (Ground Fault) • oL4 (Overtorque 2)
• LF (Output Open Phase) • ov (DC Bus Overvoltage)
• oC (Overcurrent) • PF (Input Phase Loss)
• oH1 (Drive Overheat) • rH (Braking Resistor Fault)
• oL1 (Motor Overload) • rr (Braking Transistor Fault)
• oL2 (Drive Overload) • Uv1
<1> When L2-01 is set to 1 or 2 (continue operation during momentary power loss)
(DC Bus Undervoltage)<1>
• oL3 (Overtorque 1)
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