Figure 14 – Applied Motion ST10-C-CE User Manual

Page 64

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64

920-0025 Rev K

3/5/2015

CANopen User Manual

Figure 14: Multiple Set-Points, Continuous Motion

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

0. The motor continues at the speed of the first set-point until is reaches the distance of the first set-point, then

changes to the new set-point speed. The motion is continuous.

Table 21: Multiple Set-Point Profile Position Move with Continuous 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, buffers it,

as another set-point is still in progress

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, starts

executing new set-point as soon as the

old one is finished

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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