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5.7 H: Terminal Functions
278
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
Figure 5.69
Figure 5.69 User Set Speed Agree 1 Time Chart
Refer to L4-01, L4-02: Speed Agreement Detection Level and Detection Width on page 308
for more instructions.
Setting 4: Frequency Detection 1
Output opens when the output frequency or motor speed (CLV, CLV/PM) rises above the detection level set in L4-01 plus
the detection width set in L4-02. The terminal remains open until the output frequency or motor speed falls below the
level set in L4-01.
Note:
Frequency detection works in both forward and reverse. The value of L4-01 is used as the detection level for both directions.
Figure 5.70
<1> This is the time chart when L4-07 (Speed Agree Detection Selection) is set to 1 (detection always enabled). The default setting for L4-07 is 0
(no detection during baseblock). When L4-07 = 0, the terminal opens during baseblock.
Figure 5.70 Frequency Detection 1 Time Chart
Refer to L4-01, L4-02: Speed Agreement Detection Level and Detection Width on page 308
for more details.
Setting 5: Frequency Detection 2
Output closes whenever the output frequency or motor speed (CLV, CLV/PM) is above the detection level set in L4-01.
The terminal remains closed until the output frequency or motor speed falls below L4-01 minus the setting of L4-02.
Note:
Frequency detection works in both forward and reverse. The value of L4-01 is used as the detection level for both directions.
Status
Description
Open
Output frequency or motor speed exceeded L4-01 + L4-02.
Closed
Output frequency or motor speed is below L4-01 or has not exceeded L4-01 + L4-02.
Status
Description
Open
Output frequency or motor speed is below L4-01 minus L4-02 or has not exceeded L4-01.
Closed
Output frequency or motor speed exceeded L4-01.
Frequency reference
Frequency reference
+ L4-02
Frequency reference
– L4-02
L4-01
L4-01
+ L4-02
L4-01
– L4-02
Frequency reference
Frequency reference
+ L4-02
Frequency reference
– L4-02
–L4-01
–L4-01
+ L4-02
–L4-01
– L4-02
During
Forward
During Reverse
Output frequency
0 Hz
OFF
OFF
OFF
ON
ON
ON
ON
Output frequency
User Set
Speed Agree 1
L4-02
Frequency
detection 1
<1>
ON
OFF
L4-02
L4-01
L4-01
Output Frequency or
Motor Speed
SIEP_C710636_02B_1_0.book 278 ページ 2015年11月25日 水曜日 午後4時56分