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FANUC Series 30i/300i/300is-MODEL A. Machining Center System. User's manual - page 275

A.PARAMETERS

APPENDIX

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7502

LC2

LC1

[Input type] Parameter input

[Data type] Bit path

# 4

LC1

# 5

LC2

LC2 LC1

End timing of servo learning function during

high-speed cycle cutting retract function

0 0

Disables the servo learning function, after which
retract operation starts.

0 1

Disables the servo learning function upon the
completion of retract operation.

1 0

Disables the servo learning function upon the
completion of a retract cycle.

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7503

HCT

[Input type] Parameter input

[Data type] Bit path

# 4

HCT

The variable number for starting storage of high-speed cycle

machining distribution data is:
0: Specified by 1/10.
1: Specified by 1/100.

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A.PARAMETERS

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7505

HUN

[Input type] Parameter input

[Data type] Bit axis

NOTE

When this parameter bit is set, the power must be
turned off before operation is continued.

# 1

HUN

During high-speed cutting, the increment system of distribution data

is:
0: 1

pulse.

1: 10

pulses.

NOTE

If data distributed at one time is longer than one
word because of the least input increment and the
maximum movement feedrate, this parameter is
used. If bit parameter HUN is set to 1 for an axis,
high-speed cycle machining data distributed to that
axis is internally multiplied by 10 by the CNC and
then input. Therefore, when using HUN for an axis,
set a tenth of high-speed cycle machining data to
be distributed to that axis.

7510

Number of controlled axes for high-speed cycle machining

[Input type] Parameter input

[Data type] Word path

[Valid data range] 1 to number of controlled axes

Set the number of axes to be controlled when G05 is specified to
perform high-speed cycle machining.

7514

Retract direction and retract feedrate in high-speed cycle machining retract

operation

[Input type] Parameter input

[Data type] Real axis

[Valid data range] Refer to standard parameter setting table (C)

This parameter sets a retract direction and retract feedrate along each
axis in a high-speed cycle machining retract operation. The
superimposed feedrate for each axis is specified, and the retract
direction is specified with a sign.

A.PARAMETERS

APPENDIX

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7515

Number of retract operation distributions in a high-speed cycle machining

retract operation

[Input type] Parameter input

[Data type] 2-word path

[Valid data range] 0 to 99999999

This parameter sets the number of retract operation distributions in a
high-speed cycle machining retract operation.
When the cycle currently being executed ends before the number of
distributions specified in this parameter are performed, retract
operation is terminated. When 0 is specified in this parameter, the
number of retract operation distributions is assumed to be infinite. In
this case, retract operation is performed until the cycle currently being
executed ends.

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7600

PLZ

[Input type] Parameter input

[Data type] Bit path

# 7

PLZ

Reference position return based on a G28 command on the tool

rotation axis for polygon turning is:
0: Performed in the same sequence as manual reference position

return.

1: Performed by positioning using the rapid traverse rate.
The synchronous axis returns to the reference position in the same
sequence as the manual reference position return when no
return-to-reference position is performed after the power is turned on.

7610

Control axis number of tool rotation axis for polygon turning

NOTE

When this parameter is set, the power must be
turned off before operation is continued.

[Input type] Parameter input

[Data type] Byte path

[Valid data range] 1 to number of controlled axes

This parameter sets the control axis number of a rotation tool axis
used for polygon turning.
However, when a G51.2 command is executed by setting 0 in this
parameter, operation stops with the alarm (PS0314).

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A.PARAMETERS

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7640

Master axis in spindle-spindle polygon turning

[Input type] Parameter input

[Data type] Byte path

[Valid data range] 0 to Maximum number of controlled axes (Within a path)

This parameter sets the master axis in spindle-spindle polygon turning.

NOTE

1 Spindle-spindle polygon turning is enabled only for serial spindles.
2 When any one of parameter No. 7640 and No. 7641 is set to 0, polygon turning is

performed using the first spindle (master axis) and the second spindle (polygon
synchronous axis) in the path to which the parameter belongs.

3 When a spindle other than the first serial spindle is used as a master axis, the

multi-spindle control option is required to specify an S command for the master
axis.

4 When the PMC window function or G10 command is used to rewrite this parameter,

rewrite this parameter before the block specifying the spindle-spindle polygon
command G51.2. When the PMC window function is used to rewrite this parameter
in the block immediately before G51.2, specify the rewriting of this parameter by
using an M code (parameter No. 3411 and up) without buffering.

7641

Polygon synchronous axis in spindle-spindle polygon turning

[Input type] Parameter input

[Data type] Byte path

[Valid data range] 0 to Maximum number of controlled axes (Within a path)

This parameter sets the polygon synchronous (slave) axis in
spindle-spindle polygon turning.

NOTE

1 Spindle-spindle polygon turning is enabled only for serial spindles.
2 When any one of parameter No. 7640 and No. 7641 is set to 0, polygon turning is

performed using the first spindle (master axis) and the second spindle (polygon
synchronous axis) in the path to which the parameter belongs.

3 When a spindle other than the first serial spindle is used as a master axis, the

multi-spindle control option is required to specify an S command for the master
axis.

4 When the PMC window function or G10 command is used to rewrite this parameter,

A.PARAMETERS

APPENDIX

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7642

Master axis in spindle-spindle polygon turning (spindle number common to

the system)

[Input type] Parameter input

[Data type] Byte path

[Valid data range] 0 to Maximum number of controlled axes (Common to the system)

This parameter sets the master axis in spindle-spindle polygon turning.

NOTE

1 Spindle-spindle polygon turning is enabled only for serial spindles.
2 This parameter is invalid if either parameter No. 7642 or No.7643 is set to 0. In this

case, the settings of parameter No. 7640 and No.7641 are valid.

3 When a spindle other than the first serial spindle is used as a master axis, the

multi-spindle control option is required to specify an S command for the master
axis.

4 When the PMC window function or G10 command is used to rewrite this parameter,

5 A spindle number common to the system is to be set in this parameter. When using

this parameter, set 0 in parameter No. 7640 and No. 7641.

7643

Polygon synchronous axis in spindle-spindle polygon turning (spindle

number common to the system)

[Input type] Parameter input

[Data type] Byte path

[Valid data range] 0 to Maximum number of controlled axes (Common to the system)

This parameter sets the polygon synchronous (slave) axis in
spindle-spindle polygon turning.

NOTE

1 Spindle-spindle polygon turning is enabled only for serial spindles.
2 This parameter is invalid if either parameter No. 7642 or No.7643 is set to 0. In this

case, the settings of parameter No. 7640 and No.7641 are valid.

3 When a spindle other than the first serial spindle is used as a master axis, the

multi-spindle control option is required to specify an S command for the master
axis.

4 When the PMC window function or G10 command is used to rewrite this parameter,

5 A spindle number common to the system is to be set in this parameter. When using

this parameter, set 0 in parameter No. 7640 and No. 7641.

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A.PARAMETERS

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7700

HDR

HBR

[Input type] Parameter input

[Data type] Bit path

# 0

HBR

When the electronic gear box (EGB) function is used, performing a

reset:
0: Cancels the synchronous mode (G81 or G81.5).
1: Does not cancel the synchronous mode. The mode is canceled

only by the G80 or G80.5 command.

# 2

HDR

Direction of helical gear compensation (usually, set 1.)

(Example) To cut a left-twisted herical gear when the direction of

rotation about the C-axis is the negative (-) direction:
0: Set a negative (-) value in P.
1: Set a positive (+) value in P.

When HDR = 1

C : +, Z : +, P : +

Compensation direction:+

(a)

C : +, Z : +, P : -

Compensation direction:-

(b)

C : +, Z : -, P : +

Compensation direction:-

(c)

C : +, Z : -, P : -

Compensation direction:+

(d)

C : -, Z : +, P : +

C : Compensation direction:-

(e)

C : -, Z : +, P : -

Compensation direction:+

(f)

C : -, Z : -, P : +

Compensation direction:+

(g)

C : -, Z : -, P : -

Compensation direction:-

(h)

When HDR = 0 ((a), (b), (c), and (d) are the same as when HDR = 1)

-Z

C : -, Z : +, P : +

Compensation direction:+

(e)

C : -, Z : +, P : -

Compensation direction:-

(f)

C : -, Z : -, P : +

Compensation direction:-

(g)

C : -, Z : -, P : -

Compensation direction:+

(h)

A.PARAMETERS

APPENDIX

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7701

LZR

[Input type] Parameter input

[Data type] Bit path

# 3

LZR

When L (number of hob threads) = 0 is specified at the start of EGB

synchronization (G81):
0: Synchronization is started, assuming that L = 1 is specified.
1: Synchronization is not started, assuming that L = 0 is specified.

However, helical gear compensation is performed.

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7702

PHD

PHS

ART

TDP

[Input type] Parameter input

[Data type] Bit path

# 0

TDP

The specifiable number of teeth, T, of the electronic gear box (G81)

is:
0: 1 to 1000
1: 0.1 to 100 (1/10 of a specified value)

NOTE

In either case, a value from 1 to 1000 can be
specified.

# 3

ART

The retract function executed when an alarm is issued is:

0: Disabled.
1: Enabled.
When an alarm is issued, a retract operation is performed with a set
feedrate and travel distance (parameter Nos. 7740 and 7741).

NOTE

If a servo alarm is issued for other than the axis
along which a retract operation is performed, the
servo activating current is maintained until the
retract operation is completed.

# 6

PHS

When the G81/G80 block contains no R command:

0: Acceleration/deceleration is not performed at the start or

cancellation of EGB synchronization.

1: Acceleration/deceleration is performed at the start or cancellation

of EGB synchronization. After acceleration at the start of
synchronization, phase synchronization is automatically
performed.

# 7

PHD

The direction of movement for automatic phase synchronization is:

0: Positive

(+).

1: Negative

(-).

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A.PARAMETERS

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7703

ARO

ARE

ERV

[Input type] Parameter input

[Data type] Bit path

# 0

ERV

During EGB synchronization (G81), feed per revolution is performed

for:
0: Feedback

pulses.

1: Pulses converted to the speed for the workpiece axis.

# 1

ARE

The retract function executed when an alarm is issued retracts the tool

during:
0: EGB synchronization or automatic operation (automatic

operation signal OP = 1).

1: EGB

synchronization.

# 2

ARO

The retract function executed when an alarm is issued retracts the tool

during:
0: EGB

synchronization.

1: EGB synchronization and automatic operation (automatic

operation signal OP = 1).

NOTE

This parameter is valid when bit 1 (ARE) of
parameter No. 7703 is set to 1.

The following table lists the parameter settings and corresponding
operation.

ARE ARO

Operation

During EGB synchronization

During EGB synchronization and automatic operation

0 0
0 1

During EGB synchronization or automatic operation

NOTE

1 Parameters ARE and ARO are valid when bit 3

(ART) of parameter No. 7702 is set to 1 (when the
retract function executed when an alarm is
issued ).

2 This parameter is valid when bit 1 (ARE) of

parameter No. 7703 is set to 1.

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