Figure 15 – Applied Motion ST10-C-CE User Manual

Page 65

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65

920-0025 Rev K

3/5/2015

CANopen User Manual

Figure 15: Multiple Set-Points, Immediate Change in Motion

In this example, controlword bit 9 (Change of Set-point) is 1 and controlword bit 5 (Change Set Immediately) is 1.

The motor immediately changes to the new set-point speed without completing the first set-point. The motion is

continuous.

Table 22: Multi-Set-Point Profile Position Move with Immediate Change in Motion

Graph

Point

New Set Point

Ready Bit

Set-Point

Acknowledge Bit

Target Reached

Bit

What’s Going On

Start

0

0

0

Drive waiting for set-point

A

0 -> 1

0

0

User tells drive a set-point is ready

B

1

0 -> 1

0

Drive acknowledges set-point, starts

executing set-point

C

1 -> 0

1

0

User pulls new set-point ready bit low

D

0

1 -> 0

0

Drive pulls set point ack bit low, indicat-

ing ready to receive another set-point

E

0 -> 1

0

0

User tells drive another set-point is ready

F

1

0 -> 1

0

Drive acknowledges set-point, immedi-

ately executes it, beginning transition to

new set-point speed and position

G

1 -> 0

1

0

User pulls new set-point ready bit low

H

0

1 -> 0

0

Drive pulls set-point ack bit low

I

0

0

1

The set-point is finished, no set-points in

buffer, so Target Reached bit is set

Actual

Speed

0

0

0

0

t

t

t

t

New Set Point

Ready Bit(4)

Set Point

Ack Bit(12)

Target Reached

Bit(10)

PROFILE POSITION MODE, Set of Set Points

D

A B C

E F G H

I

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