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Operating instructions, Compax-m / -s, Negative positions – Parker Products COMPAX-M /-S (L) User Manual

Page 106: Positive positions

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Operating Instructions

COMPAX-M / -S

Cam controller with compensation for switching delays

106

Behaviour of the control signal during negative position values, falling
position and P215=0

0

negative positions

S1

positive positions

V57

V55

V61

V59

V58

V56

V56

V58

V60

V60

V62

V62

rising
positions

falling
positions

A10 A9

The relevant distances

p resulting from the times are shown.

Example 2: Positioning with subsequent cam operation (COMPAX XX70)

V57

V55

V61

V59

0

1

0

1

0

1

0

1

0

1

0

1

co

n

tr

o

l cam

1

co

n

tr

o

l cam

2

co

n

tr

o

l cam

2

co

n

tr

o

l cam

1

control signal 1

control signal 2

Actuator 1 (effect)

Actuator 2 (effect)

t

t

t

t

t

Po

s

it

io

n

At position ➁ (reset function to next curve) no compensation is implemented for the
switching delay.

Note:
The cam controller is calculated using a cycle of 1ms.

Explanation:

POSA

POSR

SPEED

ACCEL

OUTPUT

Password

SPEED

SYNC

Mark

reference

POSR

SPEED

POSR

OUTPUT

Cam

controller

WAIT

GOTO

GOSUB

RETURN

END

REPEAT

IF I..

Comparison

WAIT Start

GOTO /

GOSUB EXT

IF Error/ Stop

Arithmetic

Position

monitoring

Idle display

Speed

monitoring

Engage /

disengage

brake / final

stage

Variable

voltage