Parker Products COMPAX-M /-S (L) Example 2 Positioning with subsequent cam operation Compax

	Operating Instructions							COMPAX-M / -S
	Cam controller with compensation for switching delays
	Behaviour of the control signal during negative position values, falling
	position and P215=0
		negative positions				positive positions
		V59	A10	V61		V55	A9	V57
POSA
								S1
POSR					0

SPEED

ACCEL

OUTPUT	rising
	positions
Password	falling
SPEED	positions
SYNC

V60	V62		V58
			V56
	V62	V60	V58

V56

Mark reference

The relevant distances ∆ p resulting from the times are shown.

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

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

➁

Position		1
V57
		cam
V55		control
V61	2
			control cam
V59

	t
	1
1	control signal 1
cam
	0
control
	t
	1
	Actuator 1 (effect)
	0
	t
	1
2	control signal 2
cam	0
	t
control
	1
	Actuator 2 (effect)
	0
	t

Idle display	At position ➁ (reset function to next curve) no compensation is implemented for the
Explanation:
Speed	switching delay.
monitoring
Engage /	Note:
disengage	The cam controller is calculated using a cycle of 1ms.
brake / final
stage
Variable
voltage

106