Veikong VFD500 Series User Manual page 84

Chapter 5 Function code
18 group Asynchronous motor control advanced parameters
Function
Parameter name
code
SVC low frequency
P18.08
processing
SVC low frequency
P18.09
excitation current
Asynchronous motor
P18.10
vector control slip gain
Closed-loop vector (VC)
P18.11 parameter online
adjustment coefficient
20 Group User-defined function code menu
User-defined function
P20.00
code 0
VFD500 high performance vector control frequency inverter user manual
Description
Unit's place: zero-speed processing mode in
speed mode
0: no processing
1: Output DC (can prevent shaft shaking
when running at zero speed)
Ten's place: low frequency excitation current
in speed mode
0: equal to rated excitation current
1: Reduced to P18.09
Hundred's place: low frequency excitation
current in torque mode
0: equal to rated excitation current
1: Reduced to P18.09
30.0%~100.0%
50%～200%
0~20
The larger the setting, the faster the
adjustment, but it is easy to cause
oscillation, set 0 to cancel
This group of parameters can be used for
two purposes:
Use 1: Customize menu display
When using the digital keyboard, specify
the function code displayed in the user-
defined menu mode (-USr-).
Example: If you want to display P03.01
and P13.00 in "-USr-"
P20.00=03.01, P20.01=13.00
Use 2: Communication address mapping
In order to improve the communication
efficiency, when one frame needs to read
and write the function codes of different
parameter groups, the address pointer
function of this group of parameters can
be used.
Method 1: Set P30.16 to 1, then when the
communication reads and writes P20.xx
(address 0x14xx), the parameters
- 82-
Default
100
100.0
100%
0
mode, set
00.00
Property
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