Verify motor encoder direction, Disable the drive, Note the actualpostion tag value – Rockwell Automation LDC Iron Core Linear Servo Motors User Manual

Page 55: Move the axis in the positive direction

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Rockwell Automation Publication LDC-UM001B-EN-P - March 2011

55

Configure and Start Up the LDC-Series Linear Motor Chapter 6

Verify Motor Encoder
Direction

In this section, you use the monitor tags to evaluate the encoder installation.

1.

Disable the drive.

2.

Note the ActualPostion tag value.

3.

Move the axis in the positive direction.

See

page 45

for definition for positive direction.

4.

Verify that the ActualPostion tag value increases as the axis moves.

If the positive direction of travel does not match what has been defined by
the motor power and Hall Sensing wiring, then change the direction by
rewiring the encoder by using the following table.

Move

To

Encoder Phase

Drive CN2, Pin

Encoder Phase

Drive CN2, Pin

A+

1

B+

3

A-

2

B-

4

B+

3

A+

1

B-

4

A-

2

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