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Simpliq – ElmoMC SimplIQ Software Manual User Manual

Page 165

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SimplIQ

Software Manual

The Position Reference Generator

MAN-SIMSW (Ver. 1.4)

11-24

The parameters of a PT motion are summarized in the following table:

Parameter Use

Comment

MP[1]

Lowest valid element of QP vector.

MP[2]

Highest valid row of QP vector.

MP[3]

0: Motion stops if read pointer reaches
MP[2].
1: Motion continues when read pointer
reaches MP[2]. The next row of the
table is MP[1].

Cyclical behavior definition.

MP[4]

Number of controller sampling times
in each PT motion segment.

Table

11-8: PT Motion Parameters

The following flowchart depicts the basic PT mode:

Motion

segment

completed

?

N >= MP[2]-1

Increment

read pointer

Read the N+1 element of the

PQ vector and calculate the

parameters of the next motion

segment

Initial

conditions:

PT read

pointer equals

N

Interpolate

position

command

Go to

position

controller

MP[3]==1

Exit PT mode:

Set Stop motion,

using the SD

deceleration

Set the read

pointer to

MP[1]

Yes

No

Yes

Yes

No

Figure

11-9: PT Decisions Flowchart