CHAPTER 5 SERVO ADJUSTMENT

5.8 Short cycle time Operation Mode

Use the short cycle time operation mode to perform high-tact operation with the ball screw drive, and

when the semi-auto tuning adjustment has been executed with the ALPHA 5 series.

5.8.1 Conditions for Short cycle time Operation Mode

Check the following conditions to perform adjustment.

 The mechanical configuration should be relatively rigid.

 The backlash of the mechanical system is not large.

5.8.2 Parameters Used for Short cycle time Operation Mode

The parameters used for gain adjustment are shown in the table below.

5

No.

Name

PA1_13 Tuning mode

PA1_14 Load inertia ratio

PA1_15 Auto tuning gain 1

PA1_16 Auto tuning gain 2

Approximate reference value

15: Short cycle time operation mode

Enter a stable assumed value (or average value).

Enter while referring to "5.3.3 Approximate Reference

Value of Auto Tuning Gain 1."

Set the parameter by following the flow chart in 5.8.3.

The adjustment parameters other than those in the table above are automatically adjusted.

Short cycle time Operation Mode 5-23