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L4-04
Frequency
detection 3
ON
OFF
L4-03
Output Frequency
Figure 1.48 Frequency Detection 3 Example with a Positive L3-04 Value
Refer to L4-03, L4-04: Speed Agree Detection Level and Detection Width (+/-) on page 116
for more details.
Setting 16: Frequency Detection 4
The output closes when the output frequency is above the detection level set in L4-03. The terminal remains closed until the
output frequency falls below L4-03 minus the setting of L4-04.
Status
Description
Open
Output frequency is below L4-03 minus L4-04 or has not exceeded L4-03.
Closed
Output frequency exceeded L4-03.
Note:
The detection level L4-03 is a signed value; detection works in the specified direction only.
L4-04
Frequency
Detection 4
ON
OFF
L4-03
Output Frequency
Figure 1.49 Frequency Detection 4 Example with Positive L3-04 Value
Refer to L4-03, L4-04: Speed Agree Detection Level and Detection Width (+/-) on page 116
for more details.
Setting 1B: During Baseblock (N.C.)
The output opens to indicate that the drive is in a baseblock state. While Baseblock is executed, output transistors do not switch
and no main circuit voltage is output.
Status
Description
Open
Baseblock is being executed.
Closed
Drive is not in a baseblock state.
Setting 1E: Restart Enabled
An output set for “Restart enabled” closes when the drive attempts to restart after a fault has occurred.
The fault restart function allows the drive to automatically clear a fault. The terminal set to 1E will close after the fault is
cleared and the drive has attempted to restart. If the drive cannot successfully restart within the number of attempts permitted
by L5-01, a fault will be triggered and the terminal set to 1E will open.
Refer to L5: Fault Restart on page 117
for details on
automatic restart.
Setting 1F: Motor Overload Alarm (oL1)
The output closes when the motor overload level estimated by the oL1 fault detection exceeds 90% of the oL1 detection level.
Refer to L1-01: Motor Overload Protection Selection on page 106
1.7 H: Terminal Functions
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YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual