Yaskawa MP920 Motion Module User Manual

Page 221

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5.4 SVA-01A and SVA-02A Parameters

5-79

5

46

Position Con-
trol Flags
(POSCTRL)
(cont’d)

Bit 1

Request for the
Preset Number
of POSMAX
Turns
(TPRSREQ)

Request for the preset number of POSMAX turns.

• With an infinite length axis, a turn is counted every

time the position value exceeds POSMAX and the
count is stored at monitoring parameter IL††1E:
Number of POSMAX Turns.

• The number of turns can be preset at setting parameter

OL††30: Preset Data for Number of POSMAX Turns
by turning ON the Request for the Preset Number of
POSMAX Turns Flag.

Related Parameters:

• Fixed parameter No.22:

Maximum Value for Infinite Length Counter

• Setting parameter OL††30:

Preset Data for the Number of POSMAX Turns

• Monitoring parameter IL††1E:

Number of POSMAX Turns

0

Bit 2

ABS System
Infinite Length
Position Control
Data Load
Request
(ABSLDREQ)

Used when an OW††20: Motion Command Code is
used in Position Control Mode.
If this bit is ON when using an infinite length axis with an
absolute encoder, position data controlled by the SVA
Module will be updated with data that is set at OL††38
and OL††3A: Encoder Position at Shutdown and at
OL††3C and OL††3E: Pulse Position at Shutdown.
Conditions
Fixed parameter No. 3: Encoder Selection 1
Fixed parameter No. 17: bit 5=1, Infinite Length Axis

0

Bit 3

Position Moni-
tor 2 (IL††34)
Unit Selection

Used when an OW††20: Motion Command Code is
used in Position Control Mode.
Set the data unit to be indicated at Position Monitor 2
(IL††34).
0: Reference unit
Indicated as 1 = 1 reference unit.
1: Pulse unit
Indicated as 1 = 1 pulse unit.

0

Bits 4 to 15 Not used.

Set to “0.”

0

47

Workpiece
Coordinate
System Offset
(OFFSET)

OL††2E

-2

31

to 2

31

-1

Always set this parameter to “0.” It is used by the system. 0

49

Preset
Number of
POSMAX
Turns Data
(TURNPRS)

OL††30

-2

31

to 2

31

-1

Used when an OW††20: Motion Command Code is
used in Position Control Mode.
IL††1E: POSMAX Number of Turns can be preset with
preset data by turning ON OB††2D1: Request for Pre-
set Number of POSMAX Turns. It is used in situations
such as when resetting the number of turns to “0.”

0

51

Second In-po-
sition Width
(INPWIDTH)

OW††32

0 to 65535

Used when OW††20: Motion Command Code is used.
Set the range where bit 2 of IW††17: Second In-posi-
tion Completed will turn ON. This bit turns ON if the dif-
ference between the reference position and the feedback
position is within the specified range when IB††152:
Distribution Completed turns ON.

0

Table 5.6 Motion Setting Parameters (cont’d)

No.

Name

Register

Number

Setting Range/

Bit Name

Description

Factory

Setting

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