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Chapter 7 Usage of Various Functions
7-79
5) Positioning start
(1) Direct start(POSDST)
• This is used to operate directly by setting the axis, goal position address, operation speed without parameter setting.
• Refer to the ‘7.3.4 Instruction’ for details.
(2) Indirect start(POSIST)
• This is used to operate by setting the operation step no. by parameter.
• Refer to the ‘7.3.4 Instruction’ for details.
(3) Speed control start(POSVEL)
• This is used to operate directly by setting the axis, direction, operation speed without parameter setting.
• The speed can be changed by the speed override instruction(POSSOR)
• Refer to the ‘7.3.4 Instruction’ for details.
6) Positioning stop
(1) Deceleration stop(POSCTR)
• If encounters deceleration stop command during operation, it stop operation after deceleration.
• In case of deceleration stop by deceleration stop command in acceleration or constant speed section, starts to operate
current operation step again by Start command and operation step
• In case of deceleration stop by deceleration stop command in deceleration speed section, starts to operate ‘current
operation step+1’ again by Start command and operation step
• Refer to the ‘7.3.4 Instruction’ for details.
(2) Emergency stop(POSCTR)
• If encounters emergency stop command during operation, it stops operation without deceleration.
• When emergency stop has occurs, emergency stop error and output disable flag are set.
• Error and output disable flag should be reset by error reset command of POSCTR for re-start operation
• Refer to the ‘7.3.4 Instruction’ for details.