Example Of A Start Program For High-Level Positioning Control - Mitsubishi MELSEC QD75P User Manual

10 HIGH-LEVEL POSITIONING CONTROL

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

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".)
Setting item
Cd.3 Positioning start
No.
Cd.4 Positioning starting
point No.
Refer to Section 5.7 "List of control data" for details on the setting details.
Interface
signal
External
signal
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 sequence 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 sequence program, and configured so
the control does not start unless the conditions are fulfilled.
Signal name
PLC READY signal
QD75 READY signal
Synchronization flag
Axis stop signal
Start complete signal
BUSY signal
Error detection signal
M code ON signal
Drive unit READY signal ON Drive unit preparation completed
Stop signal
Upper limit (FLS)
Lower limit (RLS)
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Setting details
Signal state
ON PLC CPU preparation completed
ON QD75 preparation completed
QD75 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
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
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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