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Chapter 10 High-Level Positioning Control
10.5 Multiple axes simultaneous start control
The "multiple axes simultaneous start" starts outputting the command to the specified
simultaneous starting axis at the same timing as the started axis.
The maximum of four axes can be started simultaneously.
[1] Control details
The multiple axes simultaneous start control is carried out by setting the
simultaneous start setting data to the multiple axes simultaneous start control
buffer memory of the axis control data, "9004" to "[Cd.3] Positioning
start No." of
the start axis, and then turning ON the positioning start signal.
• QD77MS2 ........... Set the start data No. of simultaneous starting axis
(positioning data No. to be started simultaneously for each
axis) in "[Cd.30] Simultaneous starting axis start data No.
(axis 1 start data No.)" and "[Cd.31] Simultaneous starting
axis start data No. (axis 2 start data No.)".
• QD77MS4 ........... Set the start data No. of simultaneous starting axis
(positioning data No. to be started simultaneously for each
axis) in "[Cd.30] Simultaneous starting axis start data No.
(axis 1 start data No.)" to "[Cd.33] Simultaneous starting axis
start data No. (axis 4 start data No.)".
• QD77MS16 ......... Set the number of axes to be started simultaneously and axis
No. in "[Cd.43] Simultaneous starting axis", and the start data
No. of simultaneous starting axis (positioning data No. to be
started simultaneously for each axis) in "[Cd.30]
Simultaneous starting own axis start data No." and "[Cd.31]
Simultaneous starting axis start data No.1" to "[Cd.33]
Simultaneous starting axis start data No.3".
[2] Restrictions
(1) The error "Error before simultaneous start" (error code: 501) will occur and
all simultaneously started axes will not start if the simultaneously started axis
start data No. is not set to the axis control data on the start axis or set outside
the setting range.
(2) The error "Error before simultaneous start" (error code: 501) will occur and
all simultaneously started axes will not start if either of the simultaneously
started axes is BUSY.
(3) The error "Error before simultaneous start" (error code: 501) will occur and
all simultaneously started axes will not start if an error occurs during the
analysis of the positioning data on the simultaneously started axes.
(4) No error or warning will occur if only the start axis is the simultaneously
started axis.
(5) This function cannot be used with the sub function Section 13.7.7 "Pre-
reading start function".