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PARAMETERS
115
CAUTION
The zero current detection level setting should not be too high, and the
zero current detection time setting should not be too long. Otherwise, the
detection signal may not be output when torque is not generated at a low
output current.
To prevent the machine and equipment from resulting in hazardous
conditions by use of the zero current detection signal, install a safety
backup such as an emergency brake.
"
Stall prevention operation selection (Pr. 156)
4.2.33 Stall prevention function and current limit function (Pr. 156)
Pr. 156 " stall prevention operation
selection"
You can make settings to disable stall prevention caused by overcurrent and to disable
the inverter from an overcurrent trip if an excessive current occurs due to sudden load
variation or turning the inverter's output side ON-OFF (to disable the fast-response
current limit which limits the current).
Parameter
Number
Factory
Setting
Setting
Range
156 0 0 to 31, 100
Pr. 22 "stall prevention operation level"
Pr. 23 "stall prevention operation level
compensation factor at double
speed"
Related parameters