IAI America ASEL - Manual (Page 279)

Chapter 7
Application Program Examples
Part 2 Programs
257
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] The load riveting position No. 1 (P2) moves to the riveting position on the XY-table, 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 Nos. 2 (P3) and 3 (P4) move to the riveting position in the same manner.
[5] When all three points have been riveted, the table will return to the operation home.
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
AS
EL
* 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