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5.7 H: Terminal Functions
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
277
5
Setting 1: Zero Speed
Terminal closes whenever the output frequency or motor speed (CLV, CLV/PM) becomes less than the minimum output
frequency set to E1-09 or b2-01.
Note:
When using CLV or CLV/PM control modes, the output terminal will close when the motor speed becomes less than the zero
speed level set for b2-01. In all other control modes, the output terminal will close when the output frequency becomes less than
to the minimum output frequency set for E1-09.
Figure 5.67
Figure 5.67 Zero-Speed Time Chart
Setting 2: Speed agree 1 (f
ref
/f
out
Agree 1)
Closes whenever the actual output frequency or motor speed (CLV, CLV/PM) is within the Speed Agree Width (L4-02)
of the current frequency reference regardless of the direction.
Note:
Detection works in both directions, forward and reverse.
Figure 5.68
Figure 5.68 Speed Agree 1 Time Chart
Refer to L4-01, L4-02: Speed Agreement Detection Level and Detection Width on page 308
Setting 3: User-set speed agree 1 (f
ref
/f
set
Agree 1)
Closes whenever the actual output frequency or motor speed (CLV, CLV/PM) and the frequency reference are within the
speed agreement detection width (L4-02) of the speed agreement detection level (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.
Status
Description
Open
Output frequency is more than or equal to the minimum output frequency set to E1-09 or b2-01
Closed
Output frequency becomes less than the minimum output frequency set to E1-09 or b2-01
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.
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.
OFF
Output frequency
or
motor speed
Zero Speed
ON
E1-09 (Max. Output Frequency) or
b2-01 (DC Injection Braking Start Frequency)
L4-02
L4-02
Frequency
reference
Speed agree 1
ON
OFF
Output Frequency
or Motor Speed
SIEP_C710636_02B_1_0.book 277 ページ 2015年11月25日 水曜日 午後4時56分