404
OPTIONS
96-8000
June 1999
11.10 AUTOMATIC CHIP CONVEYOR OPERATION
The automatic chip conveyor assists the user in removal of chips for jobs with heavy material removal. When
running, the chip conveyor will sense conveyor motor overcurrent and reverse direction momentarily, thus
attempting to free up chip jams. This procedure will be repeated until chips are cleared or conveyor retry limit
(Parameter 219) is reached. If the chip conveyor is running and the door is opened, the chip conveyor will stop,
thus adding a degree of safety to conveyor operation. If there is no axis motion or keyboard action within the
time set in Parameter 255, the conveyor will automatically shut off.
Note: It is recommended that the chip conveyor be used intermittently. Continuous
operation will cause the motor to overheat.
CONVEYOR K EYBOARD C OMMANDS
The conveyor can be started at any time from the keyboard. The conveyor can be enabled in either direction by
pressing the CHIP FWD or CHIP REV and stopped by pressing the CHIP STOP key. The conveyor will also
stop by pressing the RESET key.
CONVEYOR P ROGRAM C OMMANDS
Use M codes M31, M32 and M33 to control the conveyor from within a program or in MDI. M31 commands the
conveyor forward, M32 commands the conveyor in reverse and M33 stops the conveyor. Refer to the "M Codes"
section for a more detailed description.
CONVEYOR P ARAMETERS
The parameters that control the conveyor are below.
CNVYR RELAY DELAY Parameter 216 CNVYR IGNORE OC TIM Parameter 217
CNVYR RETRY REV TIM Parameter 218 CNVYR RETRY LIMIT Parameter 219
CNVYR RETRY TIMEOUT Parameter 220 CONVEYOR TIMEOUT Parameter 255
A complete description of conveyor parameters is given in the "Parameters" section of this manual.
CONVEYOR M CODES
M31 Chip Conveyor Forward
M31 starts the chip conveyor motor in the forward direction. The forward direction is defined as the direction
that the conveyor must move to transport chips out of the work cell. If the conveyor motor is on, then the
conveyor will be stopped and restarted in the forward direction.
M32 Chip Conveyor Backward
M32 starts the chip conveyor motor in the reverse direction. The reverse direction is defined as the direction
opposite of forward. If the conveyor motor is on, then the conveyor will be stopped and restarted in the reverse
direction.
M33 Chip Conveyor Stop
M33 Stops Conveyor motion.
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