Mitsubishi MELSEC-Q QD77MS, Руководство пользователя

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Chapter 9 Major Positioning Control
Operation chart
In incremental system 3-axis fixed-feed control, the addresses ( Md.20 Current
feed value) of the current stop position (start addresses) of every axes are set to
"0". Linear interpolation positioning is then carried out from that position to a
position at the end of the movement amount set in "
Da.6 Positioning address/
movement amount". The movement direction is determined by the sign of the
movement amount.
• Positive movement amount ..............Positioning control to forward direction
(Address increase direction)
• Negative movement amount.............Positioning control to reverse direction
(Address decrease direction)
Designated movement
amount
Designated movement
amount
Md.20
Designated movement amount
Current feed value" of each axis
is set to "0" at the positioning start.
(0,0,0)
(0,0,0)
(0,0,0)
Y axis
X axis
Z axis
"