YASKAWA CIMR-ZU A Series Programming Manual page 43

b 12 PI Feedbac Loss Detection Selection
Enables or disables the feedback loss detection and sets the operation when a feedback loss is detected.
No
b5-12
b5-12 setting range is 0 to 2 in drive software PRG: 1013 and earlier.
Note:
Settin Di ital Output Only ( emains acti e
A digital output set for "PI feedback low" (H2-
level set to b5-13 for the time set to b5-14 or longer. A digital output set for "PI feedback high" (H2-
if the PI feedback value is beyond the detection level set to b5-36 for longer than the time set to b5-37. Neither a fault nor an
alarm is displayed on the HOA keypad and the drive will continue operation. The output resets when the feedback value leaves
the loss detection range. Detection remains active when PI is disabled by digital input (H1-
Settin 1 Feedbac Loss Alarm ( emains acti e
If the PI feedback value falls below the level set to b5-13 for longer than the time set to b5-14, a "FBL - Feedback Low" alarm
will be displayed and a digital output set for "PI feedback low" (H2-
exceeds the level set to b5-36 for longer than the time set to b5-37, a "FBH - Feedback High" alarm will be displayed and a
digital output set for "PI feedback high" (H2-
The drive will continue operation. The alarm and outputs reset when the feedback value leaves the loss detection range.
Detection remains active when PI is disabled by digital input (H1-
Settin 2 Feedbac Loss Fault ( emains acti e
If the PI feedback value falls below the level set to b5-13 for longer than the time set to b5-14, a "FbL - Feedback Low" fault
will be displayed. If the PI feedback value exceeds the level set to b5-36 for longer than the time set to b5-37, a "FbH - Feedback
High" fault will be displayed. Both events trigger a fault output (H1-
remains active when PI is disabled by digital input (H1-
Settin Di ital Output Only
A digital output set for "PI feedback low" (H2-
level set to b5-13 for the time set to b5-14 or longer. A digital output set for "PI feedback high" (H2-
if the PI feedback value is beyond the detection level set to b5-36 for longer than the time set to b5-37. Neither a fault nor an
alarm is displayed on the HOA keypad and the drive will continue operation. The output resets when the feedback value leaves
the loss detection range. Detection is disabled when PI is disabled by digital input (H1-
Settin Feedbac Loss Alarm
If the PI feedback value falls below the level set to b5-13 for longer than the time set to b5-14, a "FBL - Feedback Low" alarm
will be displayed and a digital output set for "PI feedback low" (H2-
exceeds the level set to b5-36 for longer than the time set to b5-37, a "FBH - Feedback High" alarm will be displayed and a
digital output set for "PI feedback high" (H2-
The drive will continue operation. The alarm and outputs reset when the feedback value leaves the loss detection range.
Detection is disabled when PI is disabled by digital input (H1-
PI feedback value
PI
Feedback
Detection
Loss Level
(b5-13)
PI Feedback
Loss Detection Time
(b5-14)
Fi ure 1 17 PI Feedbac Loss Detection
Parameter Name
PI Feedback Loss Detection Selection
en PI is disabled by di ital input)
= 3E) will be triggered if the PI feedback value is below the detection
= 3F) will be triggered. Both events trigger an alarm output (H1-
en PI is disabled by di ital input)
= 3E) will be triggered if the PI feedback value is below the detection
= 3F) will be triggered. Both events trigger an alarm output (H1-
No FbL
detection
FbL detection
PI Feedback
Loss Detection Time
(b5-14)
en PI is disabled by di ital input)
= 3E) will be triggered. If the PI feedback value
= 19).
= E) and cause the drive to stop the motor. Detection
= 19).
= 3E) will be triggered. If the PI feedback value
= 19).
1 2 b Application
Time
Settin an e
0 to 5
= 3F) will be triggered
= 19).
= 3F) will be triggered
= 19).
De ault
0
= 10).
1
= 10).