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M800V/M80V Series PLC Programming Manual (2/2)
15 Multi-axis and Multi-part System
15.2 Control Axis Superimposition II
15.2 Control Axis Superimposition II
There are two types of control axis superimposition according to command method: Control axis superimposition I and
Control axis superimposition II.
Control axis superimposition I: G command
Control axis superimposition II: PLC signal command
For selection, set the base specifications parameter "#1280 ext16/bit7".
This chapter explains different points from the control axis superimposition I.
For the functions of the control axis superimposition, refer to the chapter of the control axis superimposition in "M800V/M80V
Series Programming Manual (Lathe System)".
15.2.1 Command Method
[Superimposition start command]
Issue a superimposition start command in the following procedure.
(1) Set the reference axis corresponding to the superimposed axis using the parameter "#2089 bsax_pl".
(2) Set the movement direction of the superimposed axis corresponding to the movement of the reference axis using the
parameter "#2143 polor".
0: Move in the same direction as that of the reference axis
1: Move in the opposite direction from that of the reference axis
(3) The superimposition control starts at a rising edge (0 -> 1) of a PLC signal (PILE1 to PILE8) corresponding to the super-
imposed axis.
[Superimposition end command]
The superimposition control by PLC signal is canceled at a falling edge (1 -> 0) of the PLC signal (PILE1 to PILE8)
corresponding to the superimposed axis.
15.2.2 Precautions
(1) The control axis superimposition by PLC signal is enabled only when "#1280 ext16/bit7" is "0".
If the parameter "#1280 ext16/bit7" is "1", the superimposition control request signals (PILE1 to PILE8) will be ignored.
(2) The superimposition control request signals (PILE1 to PILE8) will be ignored, if any of them is input without the additional
specifications.
(3) When the parameter "#1450 5axis_Spec/bit5" is set to "0", if the control axis superimposition is commanded during the
rotation center error compensation, the operation error (M01 1004) occurs.
(4) An axis whose parameter "#2071 s_axis" (Inclined axis selection) is not "0" cannot be designated as reference axis nor
superimposed axis.
An alarm (Operation error 1044) will occur if the superimposition control request signal is turned ON for such an axis.
(5) An axis whose parameter "#1205 G0bdcc" (Acceleration and deceleration before G0 interpolation) is not "0" cannot be
designated as reference axis nor superimposed axis. An alarm (Operation error 1044) will occur if the superimposition
control request signal is turned ON for such an axis.
IB-1501668-B
896
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