Yaskawa AC Drive-P1000 Industrial Fan - Manual (Page 216)

Status Description
Open Output frequency or motor speed does not match the frequency reference while the drive is running.
Closed Output frequency or motor speed is within the range of frequency reference ±L4-02.
Note: Detection works in forward and reverse.
L4-02
L4-02
Frequency
reference
Speed agree 1 ON OFF
Output Frequency
or Motor Speed
Figure 5.47 Speed Agree 1 Time Chart
Refer to L4-01, L4-02: Speed Agreement Detection Level and Detection Width on page 252 for more details.
Setting 3: User-Set Speed Agree 1 (f
ref
/f
set
Agree 1)
Closes when the actual output frequency and the frequency reference are within the speed agree width (L4-02) of the
programmed speed agree level (L4-01).
Status Description
Open Output frequency or motor speed and frequency reference are not both within the range of L4-01 ±L4-02.
Closed Output frequency or motor speed and the frequency reference are both within the range of L4-01 ±L4-02.
Note: Frequency detection works in forward and reverse. The value of L4-01 is used as the detection level for both directions.
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
Figure 5.48 User Set Speed Agree 1 Time Chart
Refer to L4-01, L4-02: Speed Agreement Detection Level and Detection Width on page 252 for more instructions.
Setting 4: Frequency Detection 1
The output opens when the output frequency 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 fall below the level set in L4-01.
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.
Note: Frequency detection works in forward and reverse. The value of L4-01 is used as the detection level for both directions.
5.7 H: Terminal Functions
216 YASKAWA SIEP YAIP1U 01B AC Drive - P1000 Technical Manual