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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".)

 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.

Buffer memory address

Setting item

Setting

value

Setting details

Axis

1

Axis

2

Axis

3

Axis

4

Cd.3

Positioning start
No.

7000

Set "7000" to indicate control using " block start
data".

1500 1600 1700 1800

Cd.4

Positioning starting
point No.

1

Set the point No. of the " block start data" to be
started.

1501 1601 1701 1801

                   Refer to Section 5.7 "List of control data" for details on the setting details.

 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.

Device

Signal name

Signal state

Axis

1

Axis

2

Axis

3

Axis

4

PLC READY signal

ON PLC CPU preparation completed

Y0

QD75 READY signal

ON QD75 preparation completed

X0

Synchronization flag

ON

QD75 buffer memory

The access is possible.

X1

Axis stop signal

OFF Axis stop signal is OFF

Y4

Y5

Y6

Y7

Start complete signal

OFF Start complete signal is OFF

X10 X11 X12 X13

BUSY signal

OFF BUSY signal is OFF

XC

XD

XE

XF

Error detection signal

OFF There is no error

X8

X9

XA

XB

Interface
signal

M code ON signal

OFF M code ON signal is OFF

X4

X5

X6

X7

Drive unit READY signal

ON Drive unit preparation completed

–

Stop signal

OFF Stop signal is OFF

–

Upper limit (FLS)

ON Within limit range

–

External
signal

Lower limit (RLS)

ON Within limit range

–