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6. Function Description

6-55

(Example) Programming P4 as ASR PI Gain

Code LCD display Description Setting range Unit Set value

DIO_04 P4 define

Multi-function input terminal

P4 definition

ASR Gain Sel

The two sets of Lowpass Filter are as follow:

Code LCD display Description Setting range Unit Factory setting

CON_05 ASR LPF1 ASR LPF time constant 1 0 ~ 20000 ms 0

CON_08 ASR LPF2 ASR LPF time constant 2 0 ~ 20000 ms 0

CON_03 ~ 04(ASR PI Gain 1)

4) CON_06 ~ 07(ASR PI Gain 2)

One of 2 sets of PI gain can be selected by “ASR Gain Sel” in Multi-function input terminal.

Code LCD display Description Setting range Unit Factory setting

CON_03 ASR P Gain1 ASR P Gain 1 0.0 ~ 200.0 % 50.0

CON_04 ASR I Gain1 ASR I Gain 1 0 ~ 50000 ms 300

CON_06 ASR P Gain2 ASR P Gain 2 0.0 ~ 200.0 % 5.0

CON_07 ASR I Gain2 ASR I Gain 2 0 ~ 50000 ms 3000

5) CON_09 (Ramp time for ASR gain Transfer)

6) CON_10 (Motor Speed at the time of ASR Gain Transfer)

ASR PI controller can be transferred to P controller depending on the status of the multi-function terminal input set

as ’ASR P/PI transfer’.

Example When P6 is set to ASR P/PI transfer:

Code LCD display Description Setting range Unit Factory setting

DIO_06 P6 define

Multi-function input

terminal P6 definition

ASR P/PI Sel

To avoid the shock to the control system due to the rapid change P and I gain in case of ASR gain transfer, if the

multi-function terminal input set to ‘ASR Gain Sel’ is ‘On’, the transferred P gain changes gradually for the time set at

CON_09. P gain 2 is transferred to P gain 1 at the higher speed than the value set at CON_10. This happens when the

multi-function terminal input set to ‘ASR Gain Sel’ is ‘On’, not ‘Off”

LS Industrial Systems SV-iV5 Series User Manual

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