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5.7 H: Terminal Functions
282
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
Setting 16: Frequency detection 4
Output closes whenever the output frequency or motor speed (CLV, CLV/PM) is above the detection level set in L4-03.
The terminal remains closed until the output frequency or motor speed falls below L4-03 minus the setting of L4-04. As
the detection level L4-03 is a signed value, frequency detection works in the specified direction only.
Figure 5.75
Figure 5.75 Frequency Detection 4 Example with Positive L3-04 Value
Refer to L4-03, L4-04: Speed Agreement Detection Level and Detection Width (+/-) on page 308
Setting 1A: During reverse
A digital output set for “During reverse” will close whenever the drive is running the motor in the reverse direction.
Figure 5.76
Figure 5.76 Reverse Direction Output Example Time Chart
Setting 1B: During baseblock (N.C.)
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.
Setting 1C: Motor 2 selection
Indicates which motor is selected when another output terminal is set up to switch drive operation between two motors
(H1-
Refer to Setting 16: Motor 2 selection on page 271
for details on switching motors.
Status
Description
Open
Output frequency or motor speed is below L4-03 minus L4-04 or has not exceeded L4-03 yet.
Closed
Output frequency or motor speed exceeded L4-03.
Status
Description
Open
Motor is being driven in the forward direction or stopped.
Closed
Motor is being driven in reverse.
Status
Description
Open
Baseblock is being executed.
Closed
Drive is not in a baseblock state.
Status
Description
Open
Motor 1 is selected.
Closed
Motor 2 is selected.
L4-04
Frequency
Detection 4
ON
OFF
L4-03
Output Frequency or
Motor Speed
Output frequency
time
FWD Run command
REV Run command
During Reverse
OFF
ON
SIEP_C710636_02B_1_0.book 282 ページ 2015年11月25日 水曜日 午後4時56分