Yaskawa MP920 Motion Module User Manual

Page 140

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4 Parameters

4.2.3 Motion Monitoring Parameters

4-20

24

Position Control
Status
(POSSTS)

IW††17

Bit 0: MLKL

Machine Locked

Bit 1: ZERO

Zero Point Position

Bit 2: PSET2

Second In-position Completed

Bit 3: ABSLDE

ABS System Infinite Length Position Control
Data Load Completed

Bit 4: TPRSE

Preset no. of POSMAX Turns Completed

Bit 5: GEARM

Copies Motion Fixed Parameter “Electronic
Gear Enabled Selection.”

Bit 6: MODSELM

Copies motion fixed parameter “Axis Selec-
tion.”

Bits 7 to 11

Not used.

Bits 12 to 15:
USRMONSELR

Servo Driver User Monitor Information
Selection Response

25

Machine Coor-
dinate System
Reference Posi-
tion (MPOS)

IL††18

-2

31

to 2

31

-1

1 = 1 pulse for pulse unit
Will not be updated if the machine is locked.

27

Not used.

IL††1A

29

POSMAX
Monitor
(PMAXMON)

IL††1C

1 to 2

31

-1

1 = 1 reference unit
Copies motion fixed parameter “POSMAX.”

31

Number of POS-
MAX Turns
(PMAXTURN)

IL††1E

-2

31

to 2

31

-1

1 = 1 rotation
Raises or lowers the count each time POSMAX
is exceeded.
(Initializes to 0 at startup.)

33

Servo Driver
User Monitor
Information
(USRMON)

IL††20

-2

31

to 2

31

-1

Refer to the relevant servo drive user’s manuals.

35

Alarms
(ALARM)

IL††22

Bit 0: SVERROR

SERVOPACK Error

Bit 1: OTF

Positive Overtravel

Bit 2: OTR

Negative Overtravel

Bit 3: SOTF

Positive Software Limit

Bit 4: SOTR

Negative Software Limit

Bit 5: SVOFF

Servo OFF

Excitation OFF

Bit 6: TIMEOVER Positioning Time Over

Bit 7: DISTOVER

Positioning Travel Distance Over

Overspeed

Bit 8:
FILTYOERR

Filter Type Change Error

Bit 9:
FILTYMERR

Filter Time Constant Change Error

Bit 10: MODERR

Control Mode Error

Table 4.4 Motion Monitoring Parameters (cont’d)

No.

Name

Register

Number

Setting Range

(Bit Name)

Meaning

Remarks

SVA

-01A

SVA

-02

A

SVB

-01

PO-

01

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