7.9 L: Protection Functions
214 YASKAWA TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation & Startup
â—† L4: Speed Detection
No.
(Hex.)
Name Description
Default
(Range)
L4-01
(0499)
Speed Agree Detection
Level
Sets the level to detect speed agree or motor speed when H2-01 to H2-03 = 2, 3, 4, 5 [MFDO
Function Selection = Speed Agree 1, User-set Speed Agree 1, Frequency Detection 1, Frequency
Detection 2].
0.0 Hz
(0.0 - 400.0 Hz)
L4-02
(049A)
Speed Agree Detection
Width
Sets the width to detect speed agree or motor speed when H2-01 to H2-03 = 2, 3, 4, 5 [MFDO
Function Selection = Speed Agree 1, User-set Speed Agree 1, Frequency Detection 1, Frequency
Detection 2].
2.0 Hz
(0.0 - 20.0 Hz)
L4-03
(049B)
Speed Agree Detection
Level (+/-)
Sets the speed agree detection level or motor speed detection level when H2-01 to H2-03 = 13, 14,
15, 16 [MFDO Function Selection = Speed Agree 2, User-set Speed Agree 2, Frequency Detection 3,
Frequency Detection 4].
0.0 Hz
(-400.0 - +400.0 Hz)
L4-04
(049C)
Speed Agree Detection
Width (+/-)
Sets the width to detect speed agree or motor speed when H2-01 to H2-03 = 13, 14, 15, 16 [MFDO
Function Selection = Speed Agree 2, User-set Speed Agree 2, Frequency Detection 3, Frequency
Detection 4].
2.0 Hz
(0.0 - 20.0 Hz)
L4-05
(049D)
Fref Loss Detection
Selection
Sets the operation when the drive detects a loss of frequency reference.
0 : Stop
1 : Run at (L4-06 x Last Reference)
1
(0, 1)
L4-06
(04C2)
Frequency Reference @Loss
of Ref
Sets the frequency reference as a percentage to continue drive operation after it detects a frequency
reference loss. The value is a percentage of the frequency reference before the drive detected the loss.
80.0%
(0.0 - 100.0%)
L4-07
(0470)
Speed Agree Detection
Selection
Sets the condition that activates speed detection.
0 : No Detection during Baseblock
1 : Detection Always Enabled
0
(0, 1)
â—† L5: Fault Restart
No.
(Hex.)
Name Description
Default
(Range)
L5-01
(049E)
Number of Auto-Restart
Attempts
Sets the number of times that the drive will try to restart. 0
(0 - 10 times)
L5-02
(049F)
Fault Contact at Restart
Select
Sets the function that sends signals to the MFDO terminal set for Fault [H2-xx = E] while the drive
is automatically restarting.
0 : Active Only when Not Restarting
1 : Always Active
0
(0, 1)
L5-04
(046C)
Interval Method Restart
Time
Sets the time interval between each Auto Restart attempt. 10.0 s
(0.5 - 3600.0 s)
L5-07
(0B2A)
Fault Reset Enable Select
Grp1
Use these 4 digits to set the Auto Restart function for oL1 to oL4. From left to right, the digits set
oL1, oL2, oL3, and oL4, in order.
0000 : Disabled
0001 : Enabled (—/—/—/oL4)
0010 : Enabled (—/—/oL3/—)
0011 : Enabled (—/—/oL3/oL4)
0100 : Enabled (—/oL2/—/—)
0101 : Enabled (—/oL2/—/oL4)
0110 : Enabled (—/oL2/oL3/—)
0111 : Enabled (—/oL2/oL3/oL4)
1000 : Enabled (oL1/—/—/—)
1001 : Enabled (oL1/—/—/oL4)
1010 : Enabled (oL1/—/oL3/—)
1011 : Enabled (oL1/—/oL3/oL4)
1100 : Enabled (oL1/oL2/—/—)
1101 : Enabled (oL1/oL2/—/oL4)
1110 : Enabled (oL1/oL2/oL3/—)
1111 : Enabled (oL1/oL2/oL3/oL4)
1111
(0000 - 1111)