CHINT NVF2G-S-11/TS4 - Page 53

Feedback quantity
Given value
Output
frequency
Time
Time
Deviation limits
Differential gain
Kd is larger
Differential gain
Kd is less
Proportional gain
Kp is larger
Proportional gain
Kp is less
Integral gain
Ki is larger
Integral gain
Ki is less
Figure 8-2-8 Influence of Process PID Parameters
8.2.7 Communication setting main frequency
See Chapter 9 RS485- Modbus communication instructions for details .
8.2.8 Input setting of auxiliary frequency command
Set parameter F0.03 to select the auxiliary frequency command input, which is the same as the main
frequency command input selection method, the specific parameter selection and setting process can refer to
"8.2.1 Select the input method of the main frequency command".
8.2.9 Select main and auxiliary frequency superposition command
The relationship between the target frequency and the main and auxiliary frequency commands can be set
by parameter F 0 . 04 .
function code
name
default value
Predetermined area
Parameter Description
F0.03
Auxiliary frequency
source selection
0
0
Digital setting (F 0.05 )
1 A I1
2 A I2
3
reserve
4
reserve
5
multi-segment command
6
Simple PLC
7
Closed-loop PLC
8
Communication given frequency
F0.04
Main and
auxiliary
frequency
source
operation
0x0000
0x0000 ~0x0031
function
code
name
default
value
Predetermined
area
Parameter Description
Units: frequency source selection
0: main frequency selection
1: operation result
Tens place: main and auxiliary frequency source
operation
0: main + auxiliary
1: main + auxiliary
2: The maximum value of the two is MAX
3: The minimum value of both MIN
045
NVF2G-S Series Inverter User's Guide