SHENZHEN INVT ELECTRIC CO., LTD. CHV160 Operation Manual
73
6: Pulse Frequency Assignment 2 (HDI2)
7: Given by Remote Communication
8: Multistage Assignment
When frequency source is chosen to be PID, i.e. P0.03 is chosen to be 6, these group
functions are active. This parameter is to determine the assignment channel of the process
PID target value.
The set target value of process PID is a relative value, and the set 100% is corresponding
to the 100% feedback signal of the system being controlled.
The system always performs the calculation according to relative value (0-100%)
Note: If multistage input, it can be accomplished by means of setting PA group
parameters.
Function
Code
Name
Description
setting range
Default
Value
P9.01
Keyboard preset PID
Assignment
-100.0%
100.0%
-100.0
100.0
0.0%
When P9.00=0 is chosen, i.e. the target source is the keyboard, it is required to set this
parameter.
The reference value of this parameter is the system feedback value.
Function
Code
Name
Description
setting
range
Default
Value
P9.02
PID Feedback
Sources
selection
0: Analog Channel AI1 Feedback
1: Analog Channel AI2 Feedback
2: Analog Channel AI3 Feedback
3: Analog Channel AI4 Feedback
4: AI1-AI2 Feedback
5: AI3-AI4 Feedback
6: Pulse Frequency Feedback 1 (HDI1)
7: Pulse Frequency Feedback 2 (HDI2)
8: HDI1-HDI2 Feedback
9: Remote Communication Feedback
0
9
0
The PID feedback channel is chosen by this parameter.
Important: The assignment channel and feedback channel can not be in
coincidence, otherwise PID is unable to control effectively.
Function
Code
Name
Description
setting
range
Default
Value
P9.03
PID Output
Characteristics selection
0: PID output is positive characteristic
1 PID output is negative characteristic
0
1
0
PID output is positive characteristic: when the feedback signal is bigger than the PID
given signal, it is required for the inverter output frequency to decrease to counterbalance the
PID, for instance, the winding tension PID control.
PID output is negative characteristic: when the feedback signal is bigger than the PID
giver signal, it is required for the VFD output frequency to increase to counterbalance the PID,
for instance, the unreeling tension PID control.
Function
Name
Description
setting range
Default
