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Emotron VS Series Quick Start Guide
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Group d3 Parameters of Motor 2
All parameters of motor 2 are same with group d0
Group d4 V/f Control Parameters of Motor 2
All V/f control parameters of motor 2 are same with group d1
Group d5 Vector Control Parameters of Motor 2
All vector control parameter of motor 2 are same with d2
Group E0 Protection Parameters
E0.00
Current limit control
Range:0
~
2
Default:2
E0.01
Current limit
Range:100.0
~
200.0%
Default:150.0%
E0.02
Frequency decreasing time (limit
current in constant speed operation)
Range:0.0
~
6000.0s
Default:5.0s
E0.03
Current limit mode 2 proportional
gain
Range:0.1
~
100.0%
Default:3.0%
E0.04
Current limit mode 2 integral time
Range:0.00
~
10.00
Default:10.00s
E0.00=0: Current limit disabled
E0.00=1: Current limit mode 1
During acceleration and deceleration, if output current exceeds current limit (E0.01), inverter
stops acceleration/deceleration and remains at present running frequency, and will
accelerate/decelerate as per previous acceleration/deceleration time after output current decreased.
During steady state, after output current exceeds the current limit (E0.01), inverter decelerates as
per the decreasing time (E0.02) of constant speed current frequency, and the minimum deceleration
could reach lower limit frequency (b0.10). After output current decreases, inverter will accelerate to
setting frequency as per setting acceleration time, see Figure 6-27.
Output current (A)
Current limit
Acceleration
process
Time
Time
Output frequency(Hz)
Constant speed
process
Deceleration
process
Fig 6-27
E0.00=2: Current limit mode 2
Current limit mode 2 is applied to the applications which are sensitive to acceleration/ deceleration
time. In this mode, the motor current is automatically adjusted by regulating the output frequency as
per the PI parameters set in E0.03 and E0.04.
For load with larger inertia if overcurrent occurs during acceleration, the proportional gain may be
increased. For overcurrent during deceleration, the proportional gain may be decreased. For load with
smaller inertia, the proportional gain may be kept smaller. Integral time can be adjusted for fine tunning
in both cases.