• No part of this manual may be reproduced in any form.
• All specifications and designs are subject to change without notice.
The export of this product is subject to the authorization of the government of the country
from where the product is exported.
In this manual we have tried as much as possible to describe all the various matters.
However, we cannot describe all the matters which must not be done, or which cannot be
done, because there are so many possibilities.
Therefore, matters which are not especially described as possible in this manual should be
regarded as ”impossible”.
This manual contains the program names or device names of other companies, some of
which are registered trademarks of respective owners. However, these names are not
followed by or in the main body.
SAFETY PRECAUTIONS
This section describes the safety precautions related to the use of CNC units. It is essential that these precautions
be observed by users to ensure the safe operation of machines equipped with a CNC unit (all descriptions in this
section assume this configuration).
CNC maintenance involves various dangers. CNC maintenance must be undertaken only by a qualified
technician.
Users must also observe the safety precautions related to the machine, as described in the relevant manual supplied
by the machine tool builder.
Before checking the operation of the machine, take time to become familiar with the manuals provided by the
machine tool builder and FANUC.
5.WARNINGS AND NOTES RELATED TO DAILY MAINTENANCEs–7. . . . . . . . . . . .
s–1
1
SAFETY PRECAUTIONS
B–63785EN/01
DEFINITION OF WARNING, CAUTION, AND NOTE
This manual includes safety precautions for protecting the maintenance personnel (herein referred
to as the user) and preventing damage to the machine. Precautions are classified into W arnings and
Cautions according to their bearing on safety. Also, supplementary information is described as a
Note. Read the Warning, Caution, and Note thoroughly before attempting to use the machine.
WARNING
Applied when there is a danger of the user being injured or when there is a danger of both the user
being injured and the equipment being damaged if the approved procedure is not observed.
CAUTION
Applied when there is a danger of the equipment being damaged, if the approved procedure is not
observed.
NOTE
The Note is used to indicate supplementary information other than Warning and Caution.
` Read this manual carefully, and store it in a safe place.
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B–63785EN/01
2
SAFETY PRECAUTIONS
W ARNINGS RELA TED TO CHECK OPERATION
WARNING
1. When checking the operation of the machine with the cover removed
(1) The user’s clothing could become caught in the spindle or other components, thus
presenting a danger of injury . When checking the operation, stand away from the machine
to ensure that your clothing does not become tangled in the spindle or other components.
(2) When checking the operation, perform idle operation without workpiece. When a
workpiece is mounted in the machine, a malfunction could cause the workpiece to be
dropped or destroy the tool tip, possibly scattering fragments throughout the area. This
presents a serious danger of injury . Therefore, stand in a safe location when checking the
operation.
2. When checking the machine operation with the power magnetics cabinet door opened
(1) The power magnetics cabinet has a high–voltage section (carrying a
touch the high–voltage section. The high–voltage section presents a severe risk of electric
shock. Before starting any check of the operation, confirm that the cover is mounted on
the high–voltage section. When the high–voltage section itself must be checked, note that
touching a terminal presents a severe danger of electric shock.
(2) Within the power magnetics cabinet, internal units present potentially injurious corners and
projections. Be careful when working inside the power magnetics cabinet.
3. Never attempt to machine a workpiece without first checking the operation of the machine.
Before starting a production run, ensure that the machine is operating correctly by performing
a trial run using, for example, the single block, feedrate override, or machine lock function or
by operating the machine with neither a tool nor workpiece mounted. Failure to confirm the
correct operation of the machine may result in the machine behaving unexpectedly, possibly
causing damage to the workpiece and/or machine itself, or injury to the user.
4. Before operating the machine, thoroughly check the entered data.
Operating the machine with incorrectly specified data may result in the machine behaving
unexpectedly , possibly causing damage to the workpiece and/or machine itself, or injury to the
user.
mark). Never
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SAFETY PRECAUTIONS
B–63785EN/01
WARNING
5. Ensure that the specified feedrate is appropriate for the intended operation. Generally , for each
machine, there is a maximum allowable feedrate. The appropriate feedrate varies with the
intended operation. Refer to the manual provided with the machine to determine the maximum
allowable feedrate. If a machine is run at other than the correct speed, it may behave
unexpectedly , possibly causing damage to the workpiece and/or machine itself, or injury to the
user.
6. When using a tool compensation function, thoroughly check the direction and amount of
compensation.
Operating the machine with incorrectly specified data may result in the machine behaving
unexpectedly , possibly causing damage to the workpiece and/or machine itself, or injury to the
user.
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B–63785EN/01
3
SAFETY PRECAUTIONS
W ARNINGS RELATED TO REPLACEMENT
WARNING
1. Always turn off the power to the CNC and the main power to the power magnetics cabinet. If
only the power to the CNC is turned off, power may continue to be supplied to the serve section.
In such a case, replacing a unit may damage the unit, while also presenting a danger of electric
shock.
2. When a heavy unit is to be replaced, the task must be undertaken by two persons or more. If
the replacement is attempted by only one person, the replacement unit could slip and fall,
possibly causing injury.
3. After the power is turned off, the servo amplifier and spindle amplifier may retain voltages for
a while, such that there is a danger of electric shock even while the amplifier is turned off. Allow
at least twenty minutes after turning off the power for these residual voltages to dissipate.
4. When replacing a unit, ensure that the new unit has the same parameter and other settings as the
old unit. (For details, refer to the manual provided with the machine.) Otherwise, unpredictable
machine movement could damage the workpiece or the machine itself, and present a danger of
injury.
s–5
4
SAFETY PRECAUTIONS
B–63785EN/01
W ARNINGS RELATED TO PARAMETERS
WARNING
1. When machining a workpiece for the first time after modifying a parameter, close the machine
cover. Never use the automatic operation function immediately after such a modification.
Instead, confirm normal machine operation by using functions such as the single block function,
feedrate override function, and machine lock function, or by operating the machine without
mounting a tool and workpiece. If the machine is used before confirming that it operates
normally, the machine may move unpredictably, possibly damaging the machine or workpiece,
and presenting a risk of injury.
2. The CNC and PMC parameters are set to their optimal values, so that those parameters usually
need not be modified. When a parameter must be modified for some reason, ensure that you
fully understand the function of that parameter before attempting to modify it. If a parameter
is set incorrectly, the machine may move unpredictably, possibly damaging the machine or
workpiece, and presenting a risk of injury.
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B–63785EN/01
5
1. Memory backup battery replacement
SAFETY PRECAUTIONS
W ARNINGS AND NOTES RELATED TO DAILY
MAINTENANCE
WARNING
When replacing the memory backup batteries, keep the power to the machine (CNC) turned on,
and apply an emergency stop to the machine. Because this work is performed with the power
on and the cabinet open, only those personnel who have received approved safety and
maintenance training may perform this work.
When replacing the batteries, be careful not to touch the high–voltage circuits (marked
fitted with an insulating cover).
Touching the uncovered high–voltage circuits presents an extremely dangerous electric shock
hazard.
and
NOTE
The CNC uses batteries to preserve the contents of its memory, because it must retain data such as
programs, offsets, and parameters even while external power is not applied.
If the battery voltage drops, a low battery voltage alarm is displayed on the machine operator’s panel
or screen.
When a low battery voltage alarm is displayed, replace the batteries within a week. Otherwise, the
contents of the CNC’s memory will be lost.
To replace the battery, see the procedure described in Section 2.10 of this manual.
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SAFETY PRECAUTIONS
B–63785EN/01
WARNING
2. Absolute pulse coder battery replacement
When replacing the memory backup batteries, keep the power to the machine (CNC) turned on,
and apply an emergency stop to the machine. Because this work is performed with the power
on and the cabinet open, only those personnel who have received approved safety and
maintenance training may perform this work.
When replacing the batteries, be careful not to touch the high–voltage circuits (marked
fitted with an insulating cover).
Touching the uncovered high–voltage circuits presents an extremely dangerous electric shock
hazard.
NOTE
The absolute pulse coder uses batteries to preserve its absolute position.
If the battery voltage drops, a low battery voltage alarm is displayed on the machine operator’s panel
or screen.
When a low battery voltage alarm is displayed, replace the batteries within a week. Otherwise, the
absolute position data held by the pulse coder will be lost.
and
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B–63785EN/01
3. Fuse replacement
SAFETY PRECAUTIONS
WARNING
Before replacing a blown fuse, however, it is necessary to locate and remove the cause of the
blown fuse.
For this reason, only those personnel who have received approved safety and maintenance
training may perform this work.
When replacing a fuse with the cabinet open, be careful not to touch the high–voltage circuits
(marked
Touching an uncovered high–voltage circuit presents an extremely dangerous electric shock
hazard.
and fitted with an insulating cover).
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B–63785EN/01
PREFACE
PREFACE
Description of
this manual
1.Display and operation
This chapter covers those items, displayed on the screen, that are related
to maintenance. A list of all supported operations is also provided at the
end of this chapter.
2.Hardware
This chapter covers hardware–related items, including the hardware
configuration, connection, and NC status indicated on printed circuit
boards. A list of all units is also provided as well as an explanation of how
to replace each unit.
3.Data input/output
This chapter describes the input/output of data, including programs,
parameters, and tool compensation data, as well as the input/output
procedures for conversational data.
4.Interface between the CNC and PMC
This chapter describes the PMC specifications, the system configuration,
and the signals used by the PMC.
5.Digital servo
This chapter describes the servo tuning screen and how to adjust the
reference position return position.
6.AC spindles
These chapters describe the spindle amplifier checkpoints, as well as the
spindle tuning screen.
7.Trouble shooting
This chapter describes the procedures to be followed in the event of
certain problems occurring, for example, if the power cannot be turned on
or if manual operation cannot be performed. Countermeasures to be
applied in the event of alarms being output are also described.
APPENDIX
A BOOT SYSTEM
B ALARM LIST
p–1
PREFACE
B–63785EN/01
Applicable models
Related manuals
This manual can be used with the following models. The abbreviated
names may be used.
Pruduct nameAbbreviation
FANUC Series 15i–MB15i–MBSeries 15i
FANUC Series 150i–MB150i–MBSeries 150i
NOTE
Some function described in this manual may not be applied
to some products.
For details, refer to the DESCRIPTIONS manual
(B–63782EN)
The table below lists manuals related to FANUC Series
15i/150i–MODEL B.
In the table, this manual is marked with an asterisk(*).
(1) Press a function key on the MDI panel to show the soft keys for
chapter selection related to the function.
POSPROG
SYSTEM
MESSAGE
OFFSET
SETTING
GRAPH
CUSTOM
(2) Press one of the indicated soft keys for chapter selection to display the
corresponding screen.
(3) Press an operation menu key to perform an operation on the displayed
chapter screen.
PROG
When you press the
key, for example, the following soft keys
for chapter selection are shown.
When the screen is first displayed, the first chapter is selected. (In this
example, “TEXT” is selected.)
To show an operation selection menu on this screen, press an
operation menu key at the rightmost position.
Operation menu key
(4) To return to the indications of the chapter–menu keys for chapter
selection while the operation selection menu is being displayed, press
the CHAPTER key.
CHAPTER key
The foregoing indication procedure is for general screens.
An actual indication procedure depends on each screen.
For specific operations, see each operation description.
2
B–63785EN/01
1. SCREEN INDICATIONS AND OPERATIONS
1.1.2
Types of Function Keys
POS
PROG
OFFSET
SETTING
SYSTEM
MESSAGE
GRAPH
Use a function key to select the corresponding function.
The following function keys are provided for the MDI panel.
Press this key to show an actual position screen.
Press this key to show a program screen.
Press this key to show an offset/setting screen.
Press this key to show a system screen.
Press this key to show a message screen.
Press this key to show a graphic screen.
1.1.3
Soft Keys
A screen can be selected with the corresponding soft key instead of the
corresponding function key.
Soft keys are also used to perform actual operations.
A function menu and a list of chapter selection menus are shown below .
NOTE
All soft keys described below are not necessarily shown.
Some soft keys are not shown according to a set option.
3
1. SCREEN INDICATIONS AND OPERATIONS
B–63785EN/01
1.1.4
Function Selection
Keys
To select a function with the corresponding soft key, press the function
menu key first to set soft keys to a function selection key state, and then
press the desired function selection key.
Function selection is allowed in any mode.
Use a chapter selection key to specify detailed function selection.
The following function selection keys are provided.
(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)
Function selection key
No.
(1)
(2)
(3)
Function key
(MDI panel)
POS
PROG
OFFSET
SETTING
Function selection
key (soft key)
POSITIONSelects a current–position information
screen, including absolute coordinates, machine coordinates, relative coordinates, and
a remaining movement distance.
PROGRAMSelects a part program screen or a program
check screen.
OFFSETSETINGSelects a tool offset screen or a workpiece
origin offset screen.
Description
(4)
(5)
(6)
SYSTEM
MESSAGE
GRAPH
SYSTEMSelects a parameter screen, a diagnosis
screen, or a PMC screen.
MESSAGESelects a screen for alarm messages and
operator messages.
GRAPHICSelects a graphic screen.
4
B–63785EN/01
1. SCREEN INDICATIONS AND OPERATIONS
1.1.5
Chapter Selection Keys
1.1.5.1
Position
Use function selection keys to select items (functions).
Each item is further divided into subitems (chapters). Use a chapter
selection key to select the corresponding subitem (chapter).
To select a chapter, press the CHAPTER key to set the soft keys to a
chapter selection key state, and then press the desired chapter selection
key.
Alternatively, press a hardware function key repeatedly to change a
chapter selection.
The list of chapters included in each function is shown below.
Function key on the MDI panel
POS
(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)
POSI-
TION
Soft keys
CHAP-
TER
No.Chapter menuDescription
(1)OVERALLSelects an overall position indication screen.
(2)RELATIVESelects a relative position indication screen.
(3)ABSOLUTESelects a position indication screen in a workpiece coordi-
(4)MACHINESelects a position indication screen in a machine coordinate
(5)MANUALOVRLAP Selects an operation screen for performing an operation with
(6)BLOCK RESTRTSelects an operation screen for restarting the operation from
(7)PROGRAM-
RESTRT
(8)TOOL HEADIndicates the absolute coordinates and the actual speed of
(9)HANDLEPULSEIndicates a handle–pulse interruption amount in three–di-
nate system.
system.
manual handle interruption.
the suspended block.
Selects an operation screen for restarting the suspended
program operation.
the tool head in tool direction handle feed, tool normal direction handle feed, and rotational handle feed around tool tip.
mensional handle feed.
5
1. SCREEN INDICATIONS AND OPERATIONS
1.1.5.2
Program
Function key on the MDI panel
B–63785EN/01
Soft keys
PROG
(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)
(11)(12)(13)(14)(15)(16)(17)(18)(19)
PRO-
GRAM
CHAP-
TER
No.Chapter menuDescription
(1)TEXTSelects a screen for indicating the contents of the currently
(2)DIR. MEMORYSelects a screen for indicating the list of currently registered
(3)HDD DIR.Selects a screen for indicating the list of files stored in the
(4)HOST DIR.Selects a screen for indicating the list of files stored in the
(5)CHANGE HOSTSelects a screen for changing connected host computer.
selected part program.
part programs.
hard disk on the data server.
host computer.
(6)CHECKSelects a screen for indicating a program, a position, and
(7)LASTSelects a screen for indicating a specified value in the last
(8)ACTIVESelects a screen for indicating a specified value in the block
(13)POS. DAT ASelects a screen for indicating information related to position
modal information at the same time.
block currently being executed, and modal values such as
G codes and F codes specified until then, among specified
values.
currently being executed, and modal values such as G
codes and F codes specified until then, among specified
values.
compensation.
6
B–63785EN/01
1.1.5.3
Offset/setting
1. SCREEN INDICATIONS AND OPERATIONS
Function key on the MDI panel
Soft keys
OFFSET
SETTING
OFFSET
SETTING
CHAP-
TER
(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)
(11)(12)(13)(14)(15)(16)(17)(18)(19)
(21)(22)(23)(24)(25)(26)(27)(28)(29)
No. Chapter menuDescription
(1)TOOLSelects a screen for setting a tool offset value.
(2) WORK OFFSET Selects a screen for setting an offset in the workpiece coordi-
(3)MEASURE_TLSelects a screen for measuring a tool length.
(4) SETTINGPARA-
METER
nate system.
Selects a screen for specifying setting parameters.
(5)TIMERSelects a screen for indicating information related to the num-
ber of machined parts and the operation time period.
(6)RS232CSelects a screen for operating a unit connected to the
RS–232C interface.
(7) MEMORYCARD Selects a screen for performing an operation related to a
memory card.
(8)MACRO VAR.Selects a screen for setting a macro variable.
(9)TOOL LIFESelects a screen for performing a setting related to tool life
management.
(11) T CODEOFFSET Selects a screen for setting a tool number , a pot number , and
a tool offset value in tool offset by the tool number .
(12)FOFSSelects a fixture offset screen.
(13)DOFSSelects a dynamic tool offset screen.
(14)SU & NUTATRSelects an SU & NUTA TR of fset screen.
(15)COM. SETINGSelects a screen for performing a setting related to RS 232C
and RS 422.
(16) OPERATPANELSelects a screen for operating a part of the operation switches
on the machine operator’s panel as soft switches.
(17) MENU SWITCHSelects a screen for setting a part of input switch signals input
by a signal from the machine, in CNC operations.
(29)ETHERNETSelects a screen for performing a setting related to an Ether-
net board.
7
1. SCREEN INDICATIONS AND OPERATIONS
1.1.5.4
System
Function key on the MDI panel
B–63785EN/01
Soft keys
SYSTEM
(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)
(11)(12)(13)(14)(15)(16)(17)(18)(19)
(21)(22)(23)(24)(25)(26)(27)(28)(29)
SYSTEM
CHAP-
TER
No.Chapter menuDescription
(1)PARAMETERSelects a screen for setting a parameter .
(2)PITCH ERRORSelects a screen for setting pitch error compensation.
(3)DIAGNOSISSelects a screen for showing information indicating a CNC
(4)DI/DO MONITORSelects a screen for showing status information of signal.
(5)PERIODMAINTESelects a screen for setting a maintenance item to be peri-
(6)MAINTEINFOSelects a screen for setting information in maintenance.
(7) SYSTEMCONFIG Selects a screen for showing the current system state.
(8)PMCSelects a screen related to PMC.
(11)WA VE DIAGNSSelects a screen for showing data, such as a servo position
(12)SERVOSelects a screen for performing servo setting.
(13)SPINDLESelects a screen for performing spindle setting.
(14)HPCCSelects a screen for performing a setting related to high–
(17)FSSBSelects a screen for performing a setting related to a high–
(18)VOLUMETRICSelects a screen for setting three–dimensional error com-
(19) DISPLYMEMORYSelects a screen for showing the contents of the current
(23)ETHERNETSelects a screen for maintenance and setting of the Ether-
(24)DATA SERVERSelects the screen for Data server maintenance and setting.
(25)ALARM HISTRYSelects a screen for showing the contents of a previously
(26) OPERAT HISTORY Selects a screen for showing operation history.
(27)SYSTEMLOGSelects a screen for showing the contents of a previously
(28)TOUCH PANELSelects a screen for setting a touch panel.
state.
odically controlled.
error , torque, and a machine signal, in a graph.
precision contour control.
speed serial bus (FSSB: Fanuc serial servo bus).
pensation.
CNC memory.
net board.
generated alarm.
generated system alarm.
8
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