6. Description of Parameters
- 128 -
6
Function Code
Parameter Name
Setting Range
Default
FA-15
Proportional gain Kp2
0.0 to 100.0
20.0
FA-16
Integral time Ti2
0.01s to 10.00s
2.00s
FA-17
Differential time Td2
0.000s to 10.000s
0.000s
FA-18
PID parameter
switchover condition
0: No switchover
1: Switchover via DI
2: Auto switchover based on PID
error
3: Auto switchover based on running
frequency
0
FA-19
PID error 1 for auto
switchover
0.0% to FA-20
20.0%
FA-20
PID error 2 for auto
switchover
FA-19 to 100.0%
80.0%
FA-15 to FA-20: On some applications, switchover to another set of PID parameters may
EHUHTXLUHGWR¿QHWXQHWKHRYHUDOOSHUIRUPDQFHDVORDGFRQGLWLRQVFDQYDU\GXULQJWKH
different machine cycles.
Switchover can be implemented via a DI terminal or automatically implemented according
to PID error level.
Figure 6-24 Switchover of two groups of PID parameters
PID error
PID parameters
PID 1
FA-19
FA-20
(FA-05, FA-06, FA-07)
PID 2
(FA-15, FA-16, FA-17)
Function Code
Parameter Name
Setting Range
Default
FA-21
PID initial value
0.0% to 100.0%
0.0%
FA-22
PID initial value active time
0.00s to 650.00s
0.00s
FA-21 and FA-22: When the AC drive starts, the PID function turns active only after PID
RXWSXWLV¿[HGDW3,'LQLWLDOYDOXH)$IRUWLPHVHWLQ)$
Figure 6-25 The PID initial value function
Time
Output
frequency
FA - 21
FA - 22
Summary of Contents for MD290 Series
Page 1: ......
Page 79: ...3 Electrical Installation 78 3 ...
Page 80: ...4 Operating Panel Keypad Display 4 1 Introduction 80 4 2 Inbuilt LED Operating Panel 80 ...
Page 92: ...5 Quick Setup 5 1 Get Familiar With Operating Panel 92 5 2 Setup Flowchart 93 ...
Page 227: ...7 Interfaces and Communication 226 7 ...
Page 285: ...10 Troubleshooting 284 11 ...
Page 349: ......
Page 350: ......