Example Of A Start Program For High-Level Positioning Control - Mitsubishi Electric MELSEC-QD75MH1 User Manual

10 HIGH-LEVEL POSITIONING CONTROL

10.6.2 Example of a start program for high-level positioning control

Setting item
Positioning start
Cd.3
No.
Positioning starting
Cd.4
point No.
Refer to Section 5.7 "List of control data" for details on the setting details.
Interface
signal
External
signal
The following shows an example of a start program for high-level positioning control in
which the 1st point " block start data" of axis 1 is started. (The block No. is regarded as
"7000".)
Control data that require setting
The following control data must be set to execute high-level positioning control.
The setting is carried out using a PLC program.
Setting
value
Set "7000" to indicate control using " block start
7000
data".
Set the point No. of the " block start data" to be
1
started.
Start conditions
The following conditions must be fulfilled when starting the control. The required
conditions must also be integrated into the PLC program, and configured so the
control does not start unless the conditions are fulfilled.
Signal name
PLC READY signal
QD75 READY signal
All axis servo ON
Synchronization flag
Axis stop signal
Start complete signal
BUSY signal
Error detection signal
M code ON signal
Forced stop input signal
Stop signal
Upper limit (FLS)
Lower limit (RLS)
Setting details
Signal state
ON PLC CPU preparation completed
ON QD75MH preparation completed
ON All axis servo ON
QD75MH buffer memory
ON
The access is possible.
OFF Axis stop signal is OFF
OFF Start complete signal is OFF
OFF BUSY signal is OFF
OFF There is no error
OFF M code ON signal is OFF
ON There is no forced stop input
OFF Stop signal is OFF
ON Within limit range
ON Within limit range
10 - 24
MELSEC-Q
Buffer memory address
Axis Axis Axis Axis
1 2 3 4
1500 1600 1700 1800
1501 1601 1701 1801
Device
Axis Axis Axis Axis
1 2 3 4
Y0
X0
Y1
X1
Y4 Y5 Y6 Y7
X10 X11 X12 X13
XC XD XE XF
X8 X9 XA XB
X4 X5 X6 X7
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