YASKAWA A1000 Technical Manual page 247

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.
Status
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
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
the minimum output frequency set for E1-09.
Figure 5.69
Output frequency
Setting 2: Speed agree 1 (f
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.
Status
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 both directions, forward and reverse.
Figure 5.70
Output Frequency
Speed agree 1
Refer to L4-01, L4-02: Speed Agreement Detection Level and Detection Width on page 288
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
or
motor speed
OFF
Zero Speed
Figure 5.69 Zero-Speed Time Chart
/f Agree 1)
ref out
Frequency
reference
or Motor Speed
OFF
ON
Figure 5.70 Speed Agree 1 Time Chart
Description
E1-09 (Min. Output Frequency) or
b2-01 (Zero Speed Level)
ON
Description
L4-02
5.7 H: Terminal Functions
L4-02
for more details.
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