CHAPTER 4 PARAMETER

4.1 Parameter Division

CAUTION

 Never add an extreme change to parameters. Otherwise machine motion will become

unstable.

Risk of injuries

Parameters of the ALPHA5 smart servo amplifiers are divided into the following setting items according

to the function.

4

Parameter setting item

Basic parameters

(No.PA1_01 to 50)

Major description

Be sure to check or enter these parameters

before starting operation.

Ref.

page

4-2

Control gain and filter setting parameter Use to adjust the gain manually.

(No.PA1_51 to 99)

4-26

Automatic operation setting parameter Use to enter or change the positioning

(No.PA2_01 to 50)

operation speed and homing function.

4-37

Extended function setting parameter

(No.PA2_51 to 99)

Use to enter or change the extended

functions such as the torque limit.

4-75

Input terminal function setting parameter Use to enter or change input signals of the

(No.PA3_01 to 50)

servo amplifier.

4-89

Output terminal function setting

parameter

(No.PA3_51 to 99)

Use to enter or change output signals of the

servo amplifier.

4-95

4.2 Basic Parameters

Parameters marked "" in the "Power" field are enabled after the power is turned off

then turned on again. (Check that the display (7-segment display) on the servo amplifier

is unlit when the power is turned off.)

4.2.1 List (PA1_)

No.

PA1_

Name

01 Control mode selection

Default value Power

Control mode

Position Speed Torque

0









Record of

reference

value

02 INC/ABS system selection

03

Command pulse input method and form

selection

04 Rotation direction selection

05

Number of command input pulses per

revolution

06 Numerator 0 of electronic gear

07 Denominator of electronic gear

08 Number of output pulses per revolution

0

1

0

0

16

1

2048













-

-













-

-

-



-

-

-



-

-









4-2 Parameter Division