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Basic Characteristics RAPID

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deceleration path will not follow the programmed path. This stop method is, for<br />

example, used for search stop when it is important to stop the motion as soon as<br />

possible.<br />

3. For a quick-stop the mechanical brakes are used to achieve a deceleration distance,<br />

which is as short as specified for safety reasons. The path deviation will usually be<br />

bigger for a quick-stop than for a stiff stop.<br />

After a stop (any of the types above) a restart can always be made on the interrupted<br />

path. If the robot has stopped outside the programmed path, the restart will begin with<br />

a return to the position on the path, where the robot should have stopped.<br />

A restart following a power failure is equivalent to a restart after a quick-stop. It should<br />

be noted that the robot will always return to the path before the interrupted program<br />

operation is restarted, even in cases when the power failure occurred while a logical<br />

instruction was running. When restarting, all times are counted from the beginning; for<br />

example, positioning on time or an interruption in the instruction WaitTime.<br />

2.8 Related information<br />

Described in:<br />

Definition of speed Data Types - speeddata<br />

Definition of zones (corner paths) Data Types - zonedata<br />

Instruction for joint interpolation Instructions - MoveJ<br />

Instruction for linear interpolation Instructions - MoveL<br />

Instruction for circular interpolation Instructions - MoveC<br />

Instruction for modified interpolation Instructions - SingArea<br />

Singularity Motion and I/O Principles- Singularity<br />

Concurrent program execution Motion and I/O Principles-<br />

Syncronization with logical<br />

instructions<br />

6-26 <strong>RAPID</strong> Reference Manual

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