1 variable tables, 5function blocks – Lenze E94A User Manual

Page 407

Advertising
background image

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05

407

5

Function blocks

5.111

L_PosPositionerTable - profile data record management

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

5.111.1

Variable tables

To simplify parameter handling, the four most important physical sizes for profile parameters are

stored in separate "variable tables".

A value is assigned to a profile parameter by a reference to a table position of the assigned variable

table. So not the value, but the table position which contains the value to be used is entered in the

profile parameter.

[5-66] Principle: References to variable tables (here: References to VTSPEED)

• In the case of several references to the same table position, a change of the value in this table

position affects several profiles at the same time. Thus, recurring profile parameters only need

to be changed on one position.

• If e.g. in the case of a profile chaining, several profiles are to be executed with the same speed,

the corresponding profile parameters "speed" can all refer to the same table position.

VTPos

Positions

VTSpeed

Speeds

VTAcc

Acceleration/

deceleration

VTJerk

S-ramp times

Unit

Unit

Unit/s

unit/s

2

s

Data format

DINT with four decimal positions

Memory locations

75

50

50

50

Code

C04701/1...75

C04702/1...50

C04703/1...50

C04704/1...50

For profile parame-

ters

Target position

TP window starting position

TP window end position

Speed

Final speed

Acceleration

Delay

S-ramp time

Position

Speed

Mode

Profile 1

3

1

1

2

1

50

6

7

12

2

Deceleration

Jerk time

Acceleration

End speed

TP window start position

TP window end position

Next TP profile

Next profile

3

Position

Speed

Mode

Profile 2

4

2

1

3

1

50

6

8

13

5

Deceleration

Jerk time

Acceleration

End speed

TP window start position

TP window end position

Next TP profile

Next profile

4

2

1

VTPOS

...

75

2

1

VTSPEED

200 [unit]/s

400 [unit]/s

50 [unit]/s

...

50

2

1

VTACC

...

50

2

1

VTJERK

...

50

VTPOS

VTACC

VTACC

VTJERK

VTPOS

VTPOS

VTPOS

VTACC

VTACC

VTJERK

VTPOS

VTPOS

Advertising