Pc Multi-Segment Instruction And Simple Plc Function - Veikong VFD200A Series Operation Manual

High performance vector frequency inverter
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Swing
frequency
PB-04
triangle wave rise time
Wobble cycle: The time value of a complete wobble cycle.
The triangular wave rise time coefficient PB-04 is the time percentage of the triangular wave rise time
relative to the swing frequency period PB-03. Triangle wave rise time = swing frequency period PB-03 ×
triangle wave rise time coefficient PB-04, in seconds. Triangle wave fall time = swing frequency period
PB-03 × (1 - triangular wave rise time coefficient PB-04), in seconds.
PB-05
Set length
PB-06
Actual length
PB-07
Pulse number per meter 0.1~6553.5
The above function code is used for fixed length control.
The length information is collected by the multi-function input terminal, and the number of pulses
sampled by the terminal is divided by the number of pulses per meter PB-07, and the actual length PB-06
can be calculated. When the actual length is greater than the set length PB-05, the output length reaches the
ON signal.
During the fixed length control, the length reset operation can be performed through the input
terminal (28).In the application, the corresponding input terminal function needs to be set to "length count
input" (27).
When the pulse frequency is high, the X6 port must be used.
PB-08
Set count value
PB-09
Specified count value
The count value needs to be collected through the multi-function digital input terminal. In the
application, the corresponding input terminal function needs to be set to "counter input" (function 25).
When the pulse frequency is high, the X6 port must be used.
When the count value reaches the set count value PB-08, the multi-function digital output "sets the
count value reached" ON signal, and then the counter stops counting.
When the count value reaches the specified count value PB-09, the multi-function digital output "specified
count value reaches" ON signal, at which time the counter continues to count until the "set count value" is
stopped.
The specified count value PB-09 should not be greater than the set count value PB-08. Figure 6-32 is
a schematic diagram of setting the arrival of the count value and the arrival of the specified count value.
Counting pulse
Set count
Specified count
amount relay
Figure 6-32 Setting the count value given and the specified count value

PC Multi-segment instruction and simple PLC function

The multi-stage command of the inverter has more functions than the normal multi-speed. In addition
to the multi-speed function, it can also be used as a voltage source for VF separation and a given source for
Chapter 6 Parameter Instruction
0.1%~100.0%
0m~65535m
0m~65535m
1~65535
1~65535
1
2
3
4
5
6
100
8
9
7
Default:50.0%
Default:1000m
Default:0m
Default:100.0
Default:1000
Default:1000

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Vfd500

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