411
Parameter Description
Parameter Description
5.54 Triangular Wave Function (P.234~P.239) V/F
P.234 “Triangular wave function selection”
P.235 “Maximum amplitude”
P.236 “Amplitude compensation for deceleration”
P.237 “Amplitude compensation for acceleration”
P.238 “Amplitude acceleration time”
P.239 “Amplitude deceleration time”
Parameter Factory Setting Setting Range Remarks
--- 2~0 0 432
235 10% 0~25% ---
236 10% 0~50% ---
237 10% 0~50% ---
238 10s 0~360s/0~3600s
239 10s 0~360s/0~3600s
If P.21
=0, the minimum increments o
P.238 and P.239 is 0.01 seconds.
If P.21=1, the minimum increments o
P.238 and P.239 is 0.1 seconds.
<Setting>
• The triangular wave function is effective if the value of parameter P.234 is 1 and the signal is on.
Please set 36 to any parameter: P.80~P.84, P.86
, corresponding to the external terminal assigned for
TRI signal.
• If the value of the parameter is 2, it means the triangular wave function is effective all the time.
f0
f1
f1
f2
f3
triangular wave
operation
TRI
P.239
P.238
P.7
P.7
P.8
Note: 1. The output frequency will be limited by the maximum frequency and minimum frequency when the
triangular wave function is effective.
2. If the amplitude compensation (P.236 or P.237) is too larger, over-voltage trip and stall prevention
operation will run automatically. Thus the inverter can not run according to the triangular wave function.
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