5.Description of Function Codes
EM12 User's Manual
74
bb-08
Protection of short-circuit to ground after power-on
Default
1
Setting
Range
0
Disabled
1
Enabled
It is used to determine whether to check the motor is short-circuited to ground after power-on of the frequency
inverter. If this function is enabled, the frequency inverter's UVW will have voltage output a while after power-on.
bb-09
Fault auto reset times
Default
0
Setting Range
0~99
It is used to set the times of fault auto resets if this function is used. After the value is exceeded, the frequency
inverter will remain in the fault state.
bb-10
Relay action selection during fault auto reset
Default
0
Setting
Range
0
Not act
1
Act
It is used to decide whether DO acts during the fault auto reset if the fault auto reset function is used.
bb-11
Time interval of fault auto reset
Default
1.0s
Setting Range
0.1s~100.0s
It is used to set the waiting time from the frequency inverter alarm to fault auto reset.
bb-12
Input phase loss protection/contactor energizing protection selection
Default
11
Setting
Range
Unit's digit: Input phase loss protection
0
Disabled
1
Enabled
Ten's digit: Contactor energizing protection 0,1( same as Unit’s digit)
It is used to determine whether to perform input phase loss or contactor energizing protection.
The EM12 models that provide this function are listed in the following table.
Voltage Class
Models
Single-phase 220 V
None
Three-phase 220 V
From 11 kW G model
Three-phase 380 V
From 18.5 kW G model
Three-phase 690 V
From 18.5 kW G model
For every voltage class, the EM12 frequency invertersprovide function of input phase loss or contactor energizing
protection for above model. The EM12 Frequency invertersdo not have this function below the power listed in the
table no matter whether bb-12 is set to 0 or 1.
bb-13
Output phase loss protection
Default
0
Setting
Range
0
Disabled
1
Enabled
It is used to determine whether to perform output phase loss protection.
bb-14
Off load protection
Default
0
Setting
0
Disabled
Summary of Contents for EM12 Series
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