beautypg.com

Axis-specific parameters, 412 appendix – IAI America SSEL User Manual

Page 434

background image

412

Appendix

3. Axis-Specific

Parameters

No Parameter

name

Default value

(Reference)

Input range

Unit

Remarks

~

1

Axis operation type

0

0 ~ 1

0: Linear movement axis, 1: Rotational movement axis

(Angle control)

2 ~

5

(For expansion)

0

~

6 Coordinate/physical-

operation direction selection

1 0

~

1

0: Motor CCW

o Positive direction on the coordinate

system

1: Motor CCW

o Negative direction on the coordinate

system

7

Soft limit +

50000

-99999999 ~

99999999

0.001 mm

Fixed to 359.999 degrees internally in the index mode.
Invalid in the infinite-stroke mode.

8

Soft limit –

0

-99999999 ~

99999999

0.001 mm

Fixed to 0 degree internally in the index mode. Invalid in
the infinite-stroke mode.

9 Soft-limit

actual

position

margin

2000

0 ~ 9999

0.001 mm

Actual position margin in the positioning boundary
critical zone in the infinite-stroke mode

10 Home-return method

0

0 ~ 5

0: Search phase Z after end search, 1: Current position

0 home (This parameter can be specified only with
an incremental encoder. Pay attention to contact.), 2:
Current position = Preset home (This parameter can
be specified only with an incremental encoder. Pay
attention to contact.)

11 Home-return

end-search

direction selection

0

0 ~ 1

0: Negative end of the coordinate system
1: Positive end of the coordinate system

12 Home preset value

0

-99999999 ~

99999999 0.001

mm

(Refer to axis-specific parameter No. 76)

13 SIO/PIO home-return order

0

0 ~ 16

Executed from the smallest one.

14 Home-sensor input polarity

0

0 ~ 2

0: Do not use, 1: Contact a, 2: Contact b

15 Overrun sensor input polarity

0

0 ~ 2

0: Do not use, 1: Contact a, 2: Contact b

16 Creep sensor input polarity

0

0 ~ 2

0: Do not use, 1: Contact a, 2: Contact b

17 Initial

home-sensor

pull-out

speed at home return

10 1

~

100

mm/sec

18 Creep speed at home return

100

1 ~ 500

mm/sec

End-search speed in the section where a creep sensor
detection signal has not yet been received when a creep
sensor is used

19 End search speed at home

return

20 1

~

100

mm/sec

20 Phase-Z search speed at

home return

3

1 ~ 10

mm/sec

Exercise caution, since limitations apply depending on
the read/encoder pulse count.

21 Offset travel distance at

home return

1000 -99999999

~

99999999

0.001 mm

Offset travel distance from the ideal phase-Z position
(Positive value = Applied in the direction of moving away
from the end) (Refer to axis-specific parameter No. 76)
* Note on absolute encoders
When a value near an integer multiple of the phase-Z

distance (including an offset travel distance of 0) is set
in this parameter, the servo will lock above phase Z
upon absolute reset. As a result, the coordinates may
shift by the pulses corresponding to the phase-Z
distance. Therefore, never set a value near an integer
multiple of the phase-Z distance.

(Provide a sufficient margin with respect to the servo

amplitude.)

22 Allowable

phase-Z

position

error check value at home
return

500

0 ~ 99999999

0.001 mm

Minimum allowable distance between the end
(mechanical or LS) and phase Z in a rotary encoder
specification. Phase-Z search limit in a linear encoder
specification.

23 Phase-Z count per encoder

revolution

1

1 ~ 8

Only “1” can be set, in the case of an absolute encoder.
Invalid in the case of a linear encoder.

24 Push stop check time at

home return

700

1 ~ 5000

msec

Used to confirm push action during home return.

25 Push stop check time at

positioning

500

1 ~ 5000

msec

Used to confirm push action during PUSH command
operation.