Yaskawa MotionWorks+ Windows Software User Manual

Page 27

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MotionWorks+™

The Project Explorer

21

MP940

When the MP940 module is selected, the following properties appear in the properties
window.

Note: When right clicking on this module, the properties can be sent to the controller,
but only to RAM. Compile & Download is required to retain values after power cycle.

Battery Test:

If enabled, the controller tests the battery voltage and sets the
battery alarm LED on the front of the controller accordingly,
and sets mAlarm_Battery.

If disabled, the battery alarm LED does not light.

Encoder Resolution:

Set the quadrature number of encoder pulses per motor revolu-
tion.

Encoder Type:

Select either “incremental” or “absolute”. This setting deter-
mines whether the MP940 automatically reads the absolute
encoder at power up.

Feed Constant:

The number in user units that the load travels for each revolu-
tion of the final output shaft of the mechanical system.

Gear Box Input: If a mechanical gear box is used, enter the value which corre-

Property

Default

Minimum

Maximum

Detail

Battery Test

Disabled

Enabled

Disabled

Setting

Encoder Resolution

8192

8

2147483647 Counts

Encoder Type

Incremental

Absolute

Incremental

Selection

Feed Constant

1

0.001

8338608 Constant

Gear Box Input

1

1

32767 Numerator

Gear Box Output

1

1

32767 Denominator

High Scan Setting

1

1

32 ms

Load Type

Linear

Linear

Rotary

Setting

Low Scan Setting

20

10

100 ms

Machine Cycle

1

0.001

2147483647 Modulus

Motor Rated Speed

3000

1000

10000 rpm

User Units

Inch

N/A

N/A

Final Output Shaft

Detail

Feed Constant

Ball screw

6mm pitch

6

Conveyor belt

roller = 4in diameter

4 x

π

Belt and pulley

last pulley = 10in diameter

10 x

π

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