L6: Torque Detection - YASKAWA T1000V Technical Manual

The method of incrementing the restart counter is determined by the setting of parameter L5-05. When the counter
reaches the number set in L5-01 the operation stops and the fault has to be reset manually after correcting the cause.
The restart counter is incremented at each restart attempt, regardless of whether the attempt was successful. When the
counter reaches the number set in L5-01 the operation stops and the fault has to be reset manually after correcting the
cause.
The number of fault restarts is reset back to zero when:
• The drive operates normally for ten minutes following a fault restart.
• A fault is cleared manually after protective functions are triggered.
• The power supply is cycled.
■ L5-02: Auto Restart Fault Output Operation Selection
Selects if the fault output (H2-01, H2-02, H2-03 = E) is set when the drive attempts to restart.
No.
L5-02 Auto Restart Fault Output Operation Selection
Setting 0: No Fault Output
Setting 1: Fault Output is Set
■ L5-04: Fault Reset Interval Time
Determines the amount of time to wait between attempts to restart the drive when parameter L5-05 is set to 1.
No.
L5-04
■ L5-05: Fault Reset Operation Selection
No.
L5-05
Setting 0: Count Successful Restarts
The drive will continuously attempt to restart. If a restart trial is successful, the restart counter is increased. This
operation is repeated each time a fault occurs until the counter reaches the value set in L5-01.
Setting 1: Count Restart Attempts
The drive will try to restart using the time interval set in parameter L5-04. Each attempt is counted, whether it was
successful or not.

◆ L6: Torque Detection

The drive provides two independent torque detection functions that trigger an alarm or fault signal when the load is too
heavy (oL), or suddenly drops (UL). They are set up using the L6-
condition to an external device, digital outputs should be programmed as shown below.
H2-01, H2-02, H2-03
Setting
B
17
18
19
Figure 5.73 and Figure 5.74
YASKAWA ELECTRIC SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual
Name
Name
Fault Reset Interval Time
Name
Fault Reset Operation Selection
(output close when over-/underload is detected)
(output opens when over-/underload is detected)
Torque detection 2, N.O. (output close when over-/underload is detected)
Torque detection 2, N.C. (output opens when over-/underload is detected)
show the function of overtorque and undertorque detection.
Setting Range
0 or 1
Setting Range
0.5 to 600.0 s
Setting Range
0 or 1
parameters. To indicate the underload or overload
Description
Torque detection 1, N.O.
Torque detection 1, N.C.
5.8 L: Protection Functions
Default
0
Default
10.0 s
Default
0
5
197