gefran BDI50 Series

4-76
11- 03
Carrier Frequency auto reduction due to temperature rise
Range
【
0
】
:Disable
【
1
】
:Enable
 When inverter (heatsink) temperature rises above 80°C the Carrier Frequency is reduced by 4K.
 When the temperature falls below less than 70°C, Carrier Frequency (PAR 11-01) is reset to
default.
 Temperature can be displayed by setting parameter 12-00=04000.
70℃
80℃
t1
t2
T0
Temperature
Carrier
Frequency
10K
4K
t1
t2
T
0
11- 04
S-Curve Acc 1
11- 05
S-Curve Acc 2
11- 06
S-Curve Dec 3
11- 07
S-Curve Dec 4
Range
【
0.0 ~ 4.0
】
s
 Use S Curve parameters where a smooth acceleration or deceleration action is required,
this will prevent possible damage to driven machines by sudden acceleration/deceleration.
S1
S2
S3
S4
RUN command
Actual
output
frequency
RUN
T
Note:
 Regardless of the stall prevention period, actual acceleration and deceleration time =preset