AMCI SD17060E2, Руководство пользователя

Страница: 40 / 144

M
OTION
C
ONTROL
Networked Indexer/Driver User Manual
ADVANCED MICRO CONTROLS INC.
40
Controlling Moves In Progress
Each Networked Driver has the ability to place a running move on hold and later resume the move if an error
did not occur while the move was in its Hold state. One potential application for this feature is bringing a
move to a controlled stop when your controller senses an end-of-stock condition. The move can be put in its
Hold state until the stock is replenished and then the move can be resumed.
Note that you do not have to resume a move once it has been placed in its Hold state. You can place a move in
its Hold state to prematurely end the move with a controlled stop and issue a new move of any type from the
stopped position.
The figure below shows a profile of a move that is placed in its Hold state and later resumed.
Figure R3.14 Hold/Resume a Move Profile
Find Home Moves
A Find Home command can be placed in a Hold state but cannot be resumed. This give you the ability to
bring a Find Home command to a controlled stop if an error condition occurs.
Jog Moves
Jog Moves can be placed in a Hold state and resumed if error conditions, such as programming errors, have
not occurred. New Acceleration, Deceleration, and Programmed Speed parameters can be written to the Net-
worked Driver while a Jog Move is in its hold state. If these parameters are accepted without error, the move
can be resumed and it will use the new parameter values.
Registration Moves
Registration Moves can be brought to a controlled stop with the Hold bit, but they cannot be restarted.
Absolute, Relative, and Encoder Registration Moves
Absolute, Relative, and Encoder Registration Moves can be placed in a Hold state and resumed if error condi-
tions, such as programming errors, have not occurred. New Acceleration, Deceleration, and Programmed
Speed parameters can be written to the Networked Driver while these moves are in their hold states. If the
parameters are accepted without error, the move can be resumed and it will use the new parameter values.
Note that a change to the Target Position is ignored.
Assembled Moves
A Blend or Dwell Move can be placed in a Hold state but cannot be resumed. This give you the ability to pre-
maturely end an Assembled Move with a controlled stop. The Assembled Move is not erased from memory
and can be run again without having to reprogram it.
SP
EE
D
POSITION
Move
Complete
Position Held for a length of time.
Move resumes when Resume Bit activates.