LS ELECTRIC LSLV-H100 Series, User Manual

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Learning Protection Features
When you press <MULTI> key on the keypad again, ( ) image is displayed on the top of
the keypad, and the monitoring display value is changed to the state that the user has
already set.
You can individually set {26: Now Date}, {27: Now Time} and {28: Now Weekday} in [CNF-
21/22/23 Monitor Line-1/2/3]
[CNF-20 Anytime Money] can not be set to {26: Now Date} or {28: Now Weekday}.
6 Learning Protection Features
Protection features provided by the H100 series inverter are categorized into two types:
protection from overheating damage to the motor and protection against the inverter
malfunction.
6.1 Motor Protection
6.1.1 Electronic Thermal Motor Overheating Prevention (ETH)
ETH is a protective function that uses the output current of the inverter, without a separate
temperature sensor, to predict a rise in motor temperature to protect the motor based on its
heat characteristics.
Group Code Name LCD Display Parameter Setting Setting range Unit
PRT
40
Electronic thermal
prevention fault trip
selection
ETH Trip Sel 0 None 0
–2
-
41 Motor cooling fan type Motor Cooling 0 Self-cool - -
42
Electronic thermal one
minute rating
ETH 1 min 120 100
–150
%