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Operation position i/o assignments, Operation flow chart – IAI America SSEL User Manual

Page 291

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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 load on the XY-table and turns on the start switch.
[3] Load riveting position No. 1 (P2) on the XY-table moves to the riveting position and a riveting

command is output to the riveter.

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

position No. 2 (P3) and No. 3 (P4) move to the riveting position with the same operation.

[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

X-SEL

* Flag is used from 600.

P1
(Operation
home)

Riveter position

Load

XY-table

Operation Flow Chart

Start

Move to position No. 1

Load counter = 2

Start

Move to riveting position

Riveting command ON

Riveting

complete

Riveting command OFF

Load counter + 1

Operation

complete

N

N

Y

Y

N

P3 P2

P4