YASKAWA OYMC V1000, Programming Manual

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1.8 L: Protection Functions
YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual 211
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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.
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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-
parameters. To indicate the underload or overload condition to an external device,
digital outputs be programmed as shown below.
Figure 1.84 and Figure 1.84 shows how overtorque and undertorque detection work.
Figure 1.84
Figure 1.84 Overtorque Detection Operation
H2-01/02/03
Setting
Description
B Torque detection 1, N.O. (output close when over-/underload is detected)
17 Torque detection 1, N.C. (output opens when over-/underload is detected)
18 Torque detection 2, N.O. (output close when over-/underload is detected)
19 Torque detection 2, N.C. (output opens when over-/underload is detected)
Motor current / torque
L6-02/05
10 % hysteresis
Torque detection 1 (NO)
or
Torque detection 2 (NO)
L6-03/06
ON
L6-03/06
10 % hysteresis
ON