Omron SYSDRIVE 3G3RV Series User Manual

6
-
120
nPID Control Methods
There are four PID control methods. Select the method by setting parameter b5-01.
nPID Input Methods
Enable PID control using parameter b5-01, and set the PID target value and PID feedback value.
PID Target Value Input Methods
Select the PID control target value input method according to the setting in b1-01 (Reference Selection).
Normally, the frequency reference selected in b1-01 is the PID target value, but you can also set the PID target
value as shown in the following table.
PID Feedback Input Methods
Select one of the following PID control feedback input methods.
nPID Adjustment Methods
Use the following procedure to adjust PID while performing PID control and measuring the response wave-
form.
1. Set b5-01 (PID Control Mode Selection) to 1, 2, 3 or 4 (PID control enabled).
2. Increase b5-02 (Proportional Gain (P)) to within a range that does not vibrate.
3. Reduce b5-03 (Integral (I) time) to within a range that does not vibrate.
4. Increase b5-05 (Derivative (D) time) to within a range that does not vibrate.
Set Value Control Method
1
PID output becomes the Inverter output frequency, and D control is used in the difference between PID
target value and feedback value.
2PID output becomes the Inverter output frequency, and D control is used in the PID feedback value.
3
PID output is added as compensation value of the Inverter output frequency, and D control is used in the
difference between PID target value and feedback value.
4
PID output is added as compensation value of the Inverter output frequency, and D control is used in the
PID feedback value.
PID Target Input Method Setting Conditions
Multi-Function Analog Ter-
minal A2 Input
Set H3-09 to C (PID target value). Also, be sure to set H6-01 (pulse train input function
selection) to 1 (PID feedback value).
RS-422A/485 register 0006H
Set RS-422A/485 bit 1 in register address 000FH to 1 (enable/disable PID target value
from communications) to be able to use register number 0006H as the PID target value.
Pulse train input Set H6-01 to 2 (PID target value).
Input Method Setting Conditions
Multi-function analog input Set H3-09 (Multi-function Analog Input Terminal A2 Selection) to B (PID feedback).
Pulse train input Set H6-01 to 1 (PID feedback).
INFO
Adjust PID target value and PID feedback value using the following items.
•Analog input: Adjust using the analog input terminal gain and bias.
•Pulse train input: Adjust using pulse train scaling, pulse train input gain, and pulse train input bias.

Omron SYSDRIVE 3G3RV Series Specifications

General

Brand	Omron
Model	SYSDRIVE 3G3RV Series
Category	Inverter
Language	English