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IAI America PSEL User Manual

Page 273

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263

Part 2 Programs


(2) Explanation of the operation

[1] The XY-table moves to the operation home (P1) and waits.
[2] The operator sets a work part on the XY-table and turns on the start switch.
[3] The XY-table moves to riveting position No. 1 (P2) on the work part and a riveting command is

output to the riveter.

[4] When the riveter completes the riveting operation and a completion signal is input, the table will

move to riveting position No. 2 (P3) and then to No. 3 (P4), in the same manner.

[5] When all three points have been riveted, the table will return to the operation home (P1).


The above operation will be repeated. The operation position, external I/O assignments and operation flow
chart of this operation are shown below:


Operation Position






















I/O Assignments

Category

I/O No.

Signal name

Specification

16 Start

command Pushbutton switch

Input

17

Riveting
completion

Contact signal

Output 307

Riveting
command

24 VDC

PSEL

* Flag is used from 600.

P1
(Operation
home)

Riveter position

Work part

XY-table

Operation Flow Chart

Start

Move to position No. 1

Work part counter = 2

Start

Move to riveting position

Riveting command ON

Riveting

complete

Riveting command OFF

Work part counter + 1

Operation

complete

N

N

Y

Y

N

P3 P2

P4