FANUC Series 0i-MODEL F Plus. CONNECTION MANUAL (FUNCTION)

8. MULTI-PATH CONTROL

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Parameter

5024

Number of tool compensation values

NOTE

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

[Input type] Parameter input

[Data type] Word path

[Valid data range] 0 to 999

Set the maximum allowable number of tool compensation values used for each path.
Ensure that the total number of values set in parameter No. 5024 for the individual paths
is within the number of compensation values usable in the entire system. The number of
compensation values usable in the entire system depends on the option configuration.
If the total number of values set in parameter No. 5024 for the individual paths exceeds
the number of compensation values usable in the entire system, or 0 is set in parameter
No. 5024 for all paths, the number of compensation values usable for each path is a value
obtained by dividing the number of compensation values usable in the entire system by
the number of paths.
Tool compensation values as many as the number of compensation values used for each
path are displayed on the screen. If tool compensation numbers more than the number of
compensation values usable for each path are specified, alarm PS0115 “VARIABLE NO.
OUT OF RANGE” is issued.
For example, 64 tool compensation sets are used, 20 sets may be allocated to path 1, 30
sets to path 2, and 14 sets to path 3. All of 64 sets need not be used.

5029

Number of tool compensation value memories common to paths

NOTE

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

[Input type] Parameter input

[Data type] Word

[Valid data range] 0 to 999

When using memories common to paths, set the number of common tool compensation
values in this parameter.
Ensure that the setting of this parameter does not exceed the number of tool compensation
values set for each path (parameter No. 5024).

[Example 1] When parameter No. 5029 = 10, parameter No. 5024 (path 1) = 15, and parameter No.

5024 (path 2) = 30 in a 2-path system, tool compensation numbers 1 to 10 of all paths are
made common.

[Example 2] When parameter No. 5029 = 20 and the other conditions are the same as for Example 1,

tool compensation numbers 1 to 15 are made common.

NOTE

1 Ensure that the setting of parameter No. 5029 does not exceed the

number of tool compensation values for each path (parameter No.
5024). If the setting of parameter No. 5029 exceeds the number of
compensation values of a path, the least of the numbers of
compensation values in all paths is made common.

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NOTE

2 When 0 or a negative value is set, memories common to paths are

not used.

6036

Number of custom macro variables common to tool path (for #100 to #199 (#499))

NOTE

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

[Input type] Parameter input

[Data type] Word

[Valid data range] 0 to 400

When the memory common to paths is used, this parameter sets the number of custom
macro common variables to be shared (custom macro variables common to paths).
Common variables #100 to #199 may be shared. Ensure that the maximum number of
usable macro common variables is not exceeded.

[Example] When 20 is set in parameter No. 6036

#100 to #119: Shared by all paths
#120 to #149: Used by each path independently

NOTE

1 To use from #160 to #199, enable Custom macro common

variables(bit 6 (NCV) of parameter No.8135 is 0).

2 When 0 or a negative value is set, the memory common to paths is

not used.

6037

Number of custom macro variables common to path (for #500 to #999)

NOTE

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

[Input type] Parameter input

[Data type] Word

[Valid data range] 0 to 500

When the memory common to paths is used, this parameter sets the number of custom
macro common variables to be shared (custom macro variables common to paths).
Common variables #500 to #999 may be shared. Ensure that the maximum number of
usable macro common variables is not exceeded.

[Example] When 50 is set in parameter No. 6037

#500 to #549: Shared by all paths
#550 to #599: Used by each path independently

NOTE

1 To use from #600 to #999, enable Custom macro common

variables(bit 6 (NCV) of parameter No.8135 is 0).

2 When 0 or a negative value is set, the memory common to paths is

not used.

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Reference item

Manual name

Item name

OPERATOR’S MANUAL (B-64694EN)

COMMON MEMORY BETWEEN EACH PATH

8.13

PATH SINGLE BLOCK CHECK FUNCTION

Overview

In multi-path control, each of the paths has single block command signals, so that their respective
automatic operation programs can be brought to a single block stop. Even if, however, the single block
command signals of the respective paths are set to 1, the times at which the programs will stop may not
match, depending on the difference among command programs.

Example

Assuming that the following programs are started to perform SBK operation at the
position of X0.0 in both paths

Path 1
O0001;
N1 G01 X10.0 F100 ;
N2 X20.0 ;
:

Path 2
O0002;
N1 G01 X20.0 F100 ;
:
:

In the above example, path 1 enters the single block stop state after the completion of the movement by
"X10.0", while in path 2, the movement by "X20.0" will be executed immediately.
This function prevents such an event from occurring; as soon as one path enters the single block stop state,
this function places other paths in the feedhold stop states. This function enables single block operation
while making sure that the machining programs of multiple paths have nearly been synchronized.
Because the single block command signals of the individual paths remain effective, so that uses such as
the following are possible:
<1> Single block operation in which the single block command signal of path 1 only is set to 1 to follow

the program of path 1

<2> Single block operation in which the single block command signals of multiple paths are set to 1 to

follow the end of a specified block in one of the paths.

WARNING

If one of the paths is in the single block prohibited state or in the feedhold
prohibited state due to threading, etc, the paths will not enter the stop state until
that state is canceled. However, the paths enter the stop state if the single block
prohibited state is set by the custom macro system variable #3003.

CAUTION

No operations such as synchronous processing on paths are performed. In an
example such as that shown above, therefore, path 2 enters the feedhold stop
state after the completion of the movement by "X10.0", but the stop position will
be near "X10.0".

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Parameter

8100

DSB

[Input type] Parameter input

[Data type] Bit machine group

#6 DSB

The inter-path single block check function is:

Disabled.
When a single block stop occurs with a path, no single block stop occurs with the
other path(s).

Enabled.
When a single block stop occurs with a path, a feed hold stop occurs with all paths
in the same machine group.

8.14

PATH SELECTION/DISPLAY OF OPTIONAL PATH NAMES

Overview

Path selection specifies whether operations performed using the MDI unit is for each path.
The operations, as used here, include displaying and setting data items (such as tool compensation values),
entering command programs in MDI mode, and editing machining programs in program memory.
Also note that the name of each path can be changed by parameter.

Signal

Path selection signals (Tool post selection signal)

HEAD<G063.0>

[Classification] Input signal

[Function] These signals select the path the MDI unit is to be for.

[Operation] Operations from the MDI unit will be on the path specified with HEAD. The relations

between path selection signal combinations and selectable paths are as given in the table
below.

Path selection signal HEAD

G063.0

Path to be selected

Path 1

Path 2

Signal address

G063

HEAD

Parameter

8100

IAL

RST

[Input type] Parameter input

[Data type] Bit machine group

#0 RST

The pressing of the

key on the MDI unit is:

Valid for all paths in same machine group.

Valid only for the path selected by the path selection signal.

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The

key on the MDI unit functions for all machine groups. So, in machine groups

for which this parameter is set to 0, a reset can be performed for all paths. In machine
groups for which this parameter is set to 1, a reset can be performed only for the path that
is selected by the path select signal.

#1 IAL

Choice of an option concerning operation continuation when an alarm is issued, and

choice of an option concerning the start of automatic operation in alarm state:

0: When an alarm is issued, the operation is stopped with the other path(s) in same

machine group placed in hold state.

When the other path or paths in same group are placed in alarm state, automatic

operation cannot be started.

1: Even when an alarm is issued, the operation is continued without stopping the other

path(s).

Even when the other path or paths in same group are placed in alarm state, automatic

operation can be started.

3141

Path name (1st character)

3142

Path name (2nd character)

3143

Path name (3rd character)

3144

Path name (4th character)

3145

Path name (5th character)

3146

Path name (6th character)

3147

Path name (7th character)

[Input type] Parameter input

[Data type] Word path

[Valid data range] See the "CHARACTER CODE LIST".

Specify a path name with codes.
Any character string consisting of alphanumeric characters, katakana characters, and
special characters with a maximum length of seven characters can be displayed as a series
name.

NOTE

When 0 is set in parameter No. 3141, PATH1(,PATH2...) are
displayed as path names.

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CHARACTER CODE LIST

Character Code

Comment

Character Code

Comment

Character Code

Comment

032

Space

054

076

033

Exclamation
mark

055

077

”

034

Quotation
marks

056

078

035

Sharp

057

079

036

Dollar mark

058

Colon

080

037

Percent

;

059

Semicolon

081

038

Ampersand

060

Left angle bracket

082

’

039

Apostrophe

061

Equal sign

083

(

040

Left
parenthesis

062

Right angle
bracket

084

)

041

Right
parenthesis

063

Question mark

085

042

Asterisk

064

Commercial at
mark

086

043

Positive sign

065

087

044

Comma

066

088

045

Negative
sign

067

089

046

Period

068

090

047

Slash

069

[

091

Left square
bracket

048

070

092

Yen mark

049

071

]

093

Right square
bracket

050

072

094

051

073

095

Underline

052

074

053

075

3208

PSC

[Input type] Setting input

[Data type] Bit

#5 PSC

When the path is switched based on Path selection signal :

The screen display is switched to the last selected screen of the path.

The same screen as for the path before switching is displayed.

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8.15

WAITING FUNCTION BY SPECIFYING START POINT

Overview

Control based on M codes is used to make one path to wait for the other during machining. When an M
code for waiting is specified in a block of a path during automatic operation, the other path waits for the
same M code to be specified before staring the execution of the next block.
In this function, by specifying a start point with a waiting M code, absolute coordinate value of that path
or the other path can be used as the condition for waiting.

Format

M_ P3 L_ IP ;

Format to specify coordinates of a start point.
M

: Waiting M code.

: Absolute coordinate value of a start point.

: Specifying type of waiting (0,1).

L0 : This path waits until absolute coordinate on the other path arrives at

start point.

L1 : The other path waits until absolute coordinate on this path arrives at

start point.

: Be sure to specify P3 (It can’t be omitted).

∗

The meaning of P command can be switched to “pattern of waiting with path

number” by bit 1 (MWP) of parameter No. 8103.

For more detail information, please refer to “WAITING M CODES in this manual”.

Note.

Specify absolute coordinate value of start point after M_ P_ L_. If start point is
specified before M_ P_ L_, this block is operated as a normal waiting M code.
Specify L in an only one path.
If L is not specified in a block, this block is operated as a normal waiting M code, not
the w

aiting

function

by specifying start point

M_ P3 ;

Format not to specify coordinates of start point.

Operation

(1) When a waiting M code is specified on one path during automatic operation, that path waits until

other paths execute the same waiting M code on the path with P command.

(2) After all related paths execute the same waiting M, The programmed coordinate values is compared

with current ones, and a waiting area is decided.

Waiting is completed when absolute coordinate value enters the gray area in the following chart.

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When command in coordinates for two axes

Start point which is
commanded by program.

Absolute coordinate value
when a waiting M code is
executed.

Waiting is completed when absolute
coordinate value enters this area.

When command in coordinates for one axis

Start point which is
commanded by program.

Absolute coordinate value
when a waiting M code is
executed.

Waiting is completed when absolute
coordinate value enters this area.

(3) If L0 is commanded, the other path executes a next block of a waiting M code, and the path with L0

waits until absolute coordinate value on the other path enters a gray area. If L1 is commanded, a next
block of a waiting M code is executed, and the path with L1 makes the other path wait until absolute
coordinate value of the path with L1 enters a gray area.

(4) After completing the waiting, the waited path begins to execute a following block of a waiting

M code.

Example of program

L0 command

Path 1 Path 2

O0100;

G00 X0.0 Z0.0 ;

M103 P3 L0 X10.0 Z10.0 ;

Waiting for (1).

Path2 begins to wait till
other path crosses
coordinate values (X

≤

10.0,

≤

10.0).

Path2 begins to execute a
next block because
coordinate values of other
path crosses (X

≤

10.0,

≤

10.0) in the middle of

block (2).

O0100;

G00 X0.0 ;

G00 Z0.0 ;

G00 X50.0 Z50.0 ;

M103 P3; .......................(1)

X-30.0 Z-30.0 ;...............(2)

FANUC Series 0i-MODEL F Plus. CONNECTION MANUAL (FUNCTION) - page 180