BASIC commands
PROGRAMMING MANUAL 74
Revision 1.0
fig. 20/i
Example A production line must stop if something blocks the product belt, which
causes a motion error. The obstacle must be removed, and a reset button
must be pressed to restart the line.
FORWARD 'start production line
WHILE IN(2)=ON
IF MOTION_ERROR=0 THEN
OP(8,ON) 'green light on; line is in motion
ELSE
OP(8, OFF)
GOSUB error_correct
ENDIF
WEND
CANCEL
STOP
error_correct:
REPEAT
OP(10,ON)
WA(250)
OP(10,OFF) 'flash red light to show crash
WA(250)
UNTIL IN(1)=OFF
DATUM(0) 'reset axis status errors
SERVO=ON 'turn the servo back on
WDOG=ON 'turn on the watchdog
OP(9,ON) 'sound siren that line will restart
WA(1000)
OP(9,OFF)
FORWARD 'restart motion
RETURN
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