HARSFEN0602ElmoHARmonicaSoftwareManual

PRELIMINARYDRAFT

 

 

 

 

 

 

MP[3]

0: Motion is to stop if the read pointer

 

Cyclical behavior definition.

 

 

reaches MP[2]

 

 

 

 

1: Motion is to continue when the read

 

 

 

 

pointer reaches MP[2]. The next row of

 

 

 

 

the table is MP[1].

 

 

 

MP[4]

The number of controller sampling times

 

 

 

 

in each PT motion segment.

 

 

155

Table 12-10 – PT Motion Parameters

The flow chart of the basic PT mode is depicted below.

Initial

conditions: PT read pointer equals

N

Motion

segment

completed

?

Yes

N >= MP[2]-1

 

Yes

MP[3]==1

 

No

 

 

Exit PT mode: Set Stop motion, using the SD deceleration

Yes

 

 

 

Increment

 

No

 

 

 

 

 

read pointer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read the N+1 element of the PQ vector and calculate the parameters of the next motion segment

Interpolate position command

Go to position controller

Set the read

pointer to MP[1]

Figure 28 – PT Decisions Flow Chart

A PT motion starts by stating PT=N with 1 N 1024 , and BG.

The command PT=N sets the read pointer of the QP vector to N.

Page 157
Image 157
Elmo HARSFEN0602, HARmonica software manual 155, Flow chart of the basic PT mode is depicted below