Application examples

COMPAX-M/S

Mark-referenced positioning

 

Programming:

Configuration:

P93 =+2 i.e. continuous operating mode

P35 =+1 i.e. mark reference switched on

P37 =+50 i.e. minimum travel to mark = 50 mm

P38 =+650

i.e. maximum travel to mark = 650 mm

P39 =+680

i.e. maximum feed length, if no marks appear in the mark window = 680 mm

Names of inputs and outputs:

 

I7

shears

 

0 # closed

1 # open

I15

mark

 

0 # missing

1 # found

O7

shears

 

0 # block

1 # activate

O14 mark reference

0 # block

1 # activate

O15 message

0 # mark found

1 # mark missing

List of programs:

 

 

N001: SPEED 50

;sets the speed

N002: ACCEL 250

;sets the acceleration and braking ramp

N003: OUTPUT O7=0

........................................

;shears = block

N004: OUTPUT O14=0

;mark reference = block

N005: OUTPUT O15=0

;message = mark found

 

Wait for start:

;mark

N006: IF I7=0 GOTO 6

;waits until shears are open

N007: WAIT START

;waits for start pulse

N008: OUTPUT O14=1

;activates mark reference

N009: WAIT 10

;waits until mark reference is activated

N010: POSR 50

;mark-referenced positioning

N011: WAIT 10

;waits until mark is missing or set

N012: IF I15=0 GOTO reverses (18)

;if mark is missing, reverses plate

N013: OUTPUT O15=0

;sets "Mark found" message

N014: OUTPUT O7=1

........................................

;activates shears

N015: IF I7=1 GOTO 15

;waits until shears are closed

N016: OUTPUT O7=0

........................................

;blocks shears

N017: GOTO waits for start (6)

;goes to data record N006

 

Reverse:

.......................................................

;mark

N018: OUTPUT O15=1

;sets "Mark missing" message

N019: OUTPUT O14=0

;blocks mark reference

N020: WAIT 10

;waits until mark reference is blocked

N021: POSR -680

;returns to start point

N022: GOTO waits for start (6)

;goes to data record N006

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Parker  Products COMPAX-M /-S (L) Sets the acceleration and braking ramp, N003 Output O7=0 Shears = block, Reverse Mark