Hitachi L200 Manuale Utente

L200 Inverter

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you must set the thermal overload threshold in terms of current (amperes) for parameter 
B012. The range is 20% to 120% of the rated current for each inverter model. If the 
current exceeds the level you specify, the inverter will trip and log an event (error E05) in 
the history table. The inverter turns the motor output OFF when tripped. Separate 
settings are available for the second motor (if applicable) as shown in the following 
table.

For inverter models 005NFEF, 011NFEF, and 030HFEF, the thermal value is 
less than the rated amperes (is the same as models 004NFEF, 007NFEF, and 
040HFEF respectively). Therefore, be sure to set the electronic thermal 
overload according to the actual motor driven by the particular inverter.

WARNING: When parameter B012, level of electronic thermal setting, is set to motor 
FLA rating (Full Load Ampere nameplate rating), the inverter provides solid state motor 
overload protection at 115% of motor FLA or equivalent. If parameter B012 exceeds the 
motor FLA rating, the motor may overheat and be damaged. Parameter B012, level of 
electronic thermal setting, is a variable parameter.

B012 Level of electronic 

thermal setting

Set a level between 20% and 
120% for the rated inverter 
current.

✘

Rated current 

for each 

inverter model 

*1

A

E-THM LVL001.60A

B212 Level of electronic 

thermal setting, 2nd 
motor

Set a level between 20% and 
120% for the rated inverter 
current.

✘

Rated current 

for each 

inverter model 

*1

A

2ETHM LVL 01.60A

B013 Electronic thermal 

characteristic

Select from two curves, option 
codes:
00... Reduced torque 1
01... Constant torque
02... Reduced torque 2

✘

01

01

—

E-THM CHAR  CRT

B213 Electronic thermal 

characteristic, 2nd 
motor

Select from two curves, option 
codes:
00... Reduced torque 1
01... Constant torque
02... Reduced torque 2

✘

01

01

—

2ETHM CHAR  CRT