408
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Note:
•
Unit and decimal place change when the system units change.
•
Range is 0.00 to 99.99 with sign-bit
“
-
”
indicating Delta to Setpoint.
■
Y1-09: Low Feedback Lvl Fault Dly Time
No.
(Hex.)
Name
Description
Default
(Range)
Y1-09
(3C08)
RUN
Low Feedback Lvl Fault Dly
Time
Sets the delay time for the drive to detect an
LFB [Low Feedback Sensed]
fault after the feedback
level decreases to less than the value set in
Y1-08 [Low Feedback Level]
.
10 s
(0 - 3600 s)
Note:
Set
Y1-10 = 0 [Low Feedback Selection = Fault (and Digital Output)]
to enable this parameter.
■
Y1-10: Low Feedback Selection
No.
(Hex.)
Name
Description
Default
(Range)
Y1-10
(3C09)
Low Feedback Selection
Sets the drive response when the feedback decreases to less than
Y1-08 [Low Feedback Level]
for
longer than the time set in
Y1-09 [Low Feedback Lvl Fault Dly Time]
.
0
(0 - 2)
The drive enables the Low Feedback detection when:
•
Parameter
Y1-08 > 0.0
•
Drive is running in AUTO Mode, including sleep boost and feedback drop detection (
b5-09 = 0 [PID Output Level
Selection = Normal Output (Direct Acting)]
)
•
There is a Run command, including sleep and timer operation (
b5-09 = 1 [Reverse Output (Reverse Acting)]
)
0 : Fault (and Digital Output)
The keypad will show
LFB [Low Feedback Sensed]
and the motor coasts to stop. The output terminal set for
H2-xx =
97 [MFDO Function Selection = Low Feedback]
will activate.
To deactivate the digital output, do a Fault Reset.
1 : Alarm (and Digital Output)
The keypad will show
LOFB [Low Feedback Sensed]
and the output terminal set for
H2-xx = 97
will activate.
To deactivate the digital output and clear the alarm, increase the feedback to more than
Y1-08
+
Y1-14 [Feedback
Hysteresis Level]
, or make sure that one or more of the conditions that enable Low Feedback detection are no longer
true.
2 : Digital Output Only
The output terminal set for
H2-xx = 97
will activate.
To deactivate the digital output and clear the alarm, increase the feedback to more than
Y1-08
+
Y1-14
, or make sure
that one or more of the conditions that enable Low Feedback detection are no longer true.
■
Y1-11: High Feedback Level
No.
(Hex.)
Name
Description
Default
(Range)
Y1-11
(3C0A)
RUN
High Feedback Level
Sets the upper detection level for the PID feedback.
0.00%
(0.00 - 99.99%)
Note:
•
Unit and decimal place change when the system units change.
•
Range is 0.00 to 99.99 with sign-bit
“
+
”
indicating Delta to Setpoint.
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
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Страница 694: ...9 19 Defaults by Bypass and Drive Model 694 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 768: ...10 6 MEMOBUS Modbus Communications 768 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 780: ...11 3 European Standards 780 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...