YASKAWA Inverter Spécifications Page 101

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Status Description
Open Output frequency exceeded L4-01 + 2 Hz.
Closed Output frequency is below L4-01 or has not exceeded L4-01 + 2 Hz.
Note: The detection works in both forward and reverse. The value of L4-01 will be used as the detection level for both directions.
Output
frequency
2 Hz
Frequency
detection 1
ON
OFF
2 Hz
L4-01
L4-01
Figure 5.23 Frequency Detection 1 Time Chart
Refer to L4-01: Speed Agreement Detection Level on page 111 for details on setting the detection width.
Setting 5: Frequency Detection 2
Output
closes whenever the output frequency is equal to or above the detection level set in L4-01. The output opens when the
output frequency falls below L4-01 minus 2 Hz.
Status Description
Open Output frequency is below L4-01 minus 2 Hz or has not exceeded L4-01.
Closed Output frequency exceeded L4-01.
Note: The detection works in both forward and reverse. The value of L4-01 will be used as the detection level for both directions.
Output
frequency
2 Hz
Frequency
Detection 2
ON
OFF
2 Hz
L4-01
L4-01
Figure 5.24 Frequency Detection 2 Time Chart
Refer to L4-01: Speed Agreement Detection Level on page 111 for details on setting the detection width.
Setting 6: Drive Ready
Output closes whenever the drive is ready to operate the motor.
Status Description
Open During power up, initialization, fault or in Programming Mode (while b1-08 = 0 or 2).
Closed Drive is ready for operation.
Refer to b1-08: Run Command Selection while in Programming Mode on page 78 for details on the setting of b1-08.
Setting 7: DC Bus Undervoltage
Output closes whenever the DC bus voltage or control circuit power supply drops below the trip level. The undervoltage trip
level depends on the setting of parameter E1-01. Refer to E1-01 for details. A fault in the DC bus charge circuit will also cause
the DC Bus Undervoltage output to close.
5.6 H: Terminal Functions
YASKAWA ELECTRIC SIEP C710606 31A YASKAWA AC Drive – J1000 Technical Manual
101
5
Parameter Details
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