YASKAWA VS-626M5 Instruction Manual download pdf (Page 178)

2. SENTROL2 PARAMETER

7-27

1825 GAIN CHANGE POS ERR

Specify the maximum amount of position error

VCMC

when high speed positioning is executed

Data unit : Detection unit Data range : 0~25000

This parameter is invalid when parameter

1814 HSP is set to 0.

POSITION ERROR

INCLINATION TWICE AS BIG

POSITION ERROR/VCMD GRAPH

1826 F/B PULSE CHECK DATA

When power is turned on, servo motor rotates as mush as set in this parameter to check if feedback

pulse is generated normally.

When this parameter is set to 0, feedback pulse check sepuence is not performed. Set 0 for those

motors which have brake system, they cannot perform the check sequence normally.

Data unit : Detection unit Data range : -500 ~ 500 Default set : 50

1827 BACK LASH MAX LIMIT

Set the maximum limit of backlash compensation amount for each axis. If the value exceeds the

maximum limit, divide the backlash compensation amount and perform the setup. (It the amount is 0,

set to 256 according to previous standard.)

Setting value: 0~256

Axis type

Increment system

IS-A IS-B IS-C unit

Linear axis 0.01 0.001 0.0001 mm

Rotary axis 0.01 0.001 0.0001 deg

1828 ELECTRONIC GEAR (NUMERATOR)

Set up the numerator (A) for the gear ratio. This is used if the rotary axis or GEAR ratio is a fractional

value.

Setup value: 0~99999999 4byte data

1829 ELECTRONIC GEAR (DENOMINATOR)

Set up the denominator (B) for the gear ratio. This is used if the rotary axis or GEAR ratio is a

fractional value.

Setup value: 0~99999999 4byte data

The gear ratio range must satisfy the following: 0.01<= A/B <= 100.

HIGH SPEED POSITIONING

NORMAL POSITIONING

-POSERR +POSERR

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YASKAWA VS-626M5 Instruction Manual Page 178