FANUC Series 16 / 160 / 18 / 180 – Model B. Maintenance Manual

D. BOOT SYSTEM

APPENDIX

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The boot system load the CNC system software (flash RAM”DRAM),

D.1

then starts it so that software can be executed.

OVERVIEW

The boot system provides the following maintenance functions for the

CNC:

(1) Registering a file in flash memory

⋅

Reads a file from a memory card, in MS-DOS format conforming

to JEIDA V4.1, into flash memory.

(2) Checking a file (series and edition) in flash memory

(3) Deleting a file from flash memory

(4) Batch saving and restoration of files of parameters and programs

backed up by battery (SRAM area), to and from a memory card

(5) Saving a file in flash memory to a memory card

(6) Formatting of a memory card

(7) Deleting a file from a memory card

This manual describes the activation of the boot system, as well as the

screen displays and operation for the functions listed above.

A kind of memory card

We recommend to use SRAM type memory card. When you

use flash type memory card, it is impossible to use functions

(4) to (7).

For the 60M1/05 and later versions, data can be saved to

a flash memory card recommended by FANUC. Note,

however, that the actually available memory is equal to the

capacity of the flash memory card, minus 128 KB. The types

of memory cards which can be used are detailed in the

ordering list.

In ordinary system activation, the boot system automatically transfers

D.1.1

files from flash memory to DRAM in the background.

STARTING THE BOOT

The user is not aware of this operation. However, the boot system must

SYSTEM

be operated manually, from menu screen, when maintenance is to be

carried out or when the flash memory does not contain a required file.

In system maintenance, for example, to replace a file in memory

Operation : Turn the power on by simultaneously pressing the two soft

keys at the right end.

ÂÂÂÂ

Hold down the two keys until the boot system screen appears.

When the flash memory does not contain a file required to start the

CNC

Immediately after the CNC is turned on, the boot system starts

transferring files from flash memory to DRAM. If, for some reason,

a file required to start the CNC (NC basic) is not in flash memory or

has been destroyed, the boot system is automatically started.

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D. BOOT SYSTEM

D.1.2

The boot system organizes files in flash memory into two main groups :

system files and user files. These two file types have the following

System Files and User

characteristics :

Files

D System files

CNC and servo control software provided by FANUC

D User files

PMC sequence program (ladder), P-CODE macro program, and other

user-created files

D.1.3

When the CNC includes OPT2 board or LCB, we have to access to flash

memory or SRAM that mounted on additional board. So, the boot system

Boot Slot

displays BOOT SLOT CONFIGURATION screen that to select a access

Configuration Screen

board.

D Screen configuration

(1)

BOOT SLOT CONFIGURATION

60M1-02

(2)

NO. BOARD

F-ROM

SRAM

MAIN

4MB

1.0MB

1. OPT2

6MB

1.0MB

2. OPT3

128KB

3. LCB

512KB

(3)

*** MESSAGE ***

SELECT SLOT AND HIT SELECT KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

: Screen title.

: Flash memory size and SRAM size of each board.

: Message

D Operation

Press the [ UP ] or [DOWN] soft key to move the cursor, and select board

to press the [SELECT] soft key.

Memory card slot

The memory card slot on the loader control board (LCB) is provided specifically for the ladder

edit card for the loader. When a memory card is to be used in the boot system, insert the card

into the slot provided on the main board.

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D. BOOT SYSTEM

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When the boot system is first started, the MAIN MENU screen

D.2

displayed. This screen is described below :

SCREEN

CONFIGURATION

AND OPERATING

PROCEDURE

D MAIN MENU screen

(1)

SYSTEM MONITOR MAIN MENU

60M1-01

(2)

1. SYSTEM DATA LOADING

(3)

2. SYSTEM DATA CHECK

(4)

3. SYSTEM DATA DELETE

(5)

4. SYSTEM DATA SAVE

(6)

5. SRAM DATA BACKUP

(7)

6. MEMORY CARD FILE DELETE

(8)

7. MEMORY CARD FORMAT

(9)

9. END

(10

*** MESSAGE ***

)

SELECT MENU AND HIT SELECT KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

Screen title. The series and edition of the boot system appear at

the right end.

Function for writing data to flash memory.

Function for checing the edition of a file in ROM.

Function for deleting a file from flash memory.

Function for making a backup copy of the data stored on the memory

card.

Function for making a backup copy of the data in SRAM.

Function for deleting a file from a memory card.

Function for formatting a memory card.

Function for terminating the boot system and starting the CNC.

10 :

Condensed guidance or error message

D Operating procedure

Press the [UP] or [DOWN] soft key to select the desired function. After

positioning the cursor to the desired function, press the [SELECT] soft

key. Before executing a function, the system my request confirmation

from the operator by having him/her press the [YES] or [NO] soft key.

D Basic operation

Position the

Select a

Check the

cursor.

function

selection

Execute

NUPO

→

NSELECTO

→

NYESO

→ the

→ Select END

NDOWNO

NNOO

function

→ Return to

original state

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D. BOOT SYSTEM

D.2.1

System Data Loading

Screen

D Description

This screen is used to read a system or user file from a memory card into

flash memory.

D Screen configuration

(1)

SYSTEM DATA LOADING

1/1

(2)

FILE DIRECTORY

D101E10. ROM

D101E11. ROM

(3)

END

(4)

*** MESSAGE ***

SELECT FILE AND HIT SELECT KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

: Screen title. The page number (n) and total number of pages (m)

are displayed, in n/m format, at the right end.

: Files on the memory card

: Option for returning to previous menu Message

: Message

D Operating procedure

Position the cursor to the file to be read from the memory card and

written to flash memory. Then, press the [SELECT] soft key.

A single page can list up to eight file names. If the memory card

contains nine or more files, the remaining files are displayed on

another page.

To display the next page, press the

soft key.

To display the previous page, press the

soft key. The END option

is displayed on the last page.

The END option is displayed on the last page.

After a file has been slected, the system asks whether that file is to be

loaded.

*** MESSAGE ***

LOADING OK ? HIT YES OR NO.

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To start loading, press the [YES] soft key. To cancel, press the [NO]

key.

*** MESSAGE ***

LOADING FROM MEMORY CARD.

When loading terminates normally, the system displays the following

message. Press the [SELECT] soft key. If an error occurs, see D.3

*** MESSAGE ***

LOADING COMPELETE. HIT SELECT KEY.

D Others

Counter display while a file is being loaded

While a file is being loaded, the address of the data currently being

accessed is displayed.

*** MESSAGE ***

LOADING FROM MEMORY CARD.

ADDRESS 001:

² The counter appears under the

message fild.

(1)

: Number of 128-KB management unit in flash memory

File name in flash memory

The boot systme identifies a file in flash memory by the first four

characters of the file name. If the name of the file to be read from the

memory card and the name of a file already present in flash memory

begin with the same four characters, delete the latter from flash

memory. Then, load the desired file. The following table lists the

names and contents of files.

Note

that these file names may be changed without notice.

File name

Contents

File type

NC BASIC

Basic

System file

DG SERVO

Servo

System file

GRAPHIC

Graphic

System file

NCj OPTN

Optional

System file

PMCj****

PMC control software, etc.

System file

PCD ****

P-CODE macro file/ OMM

User file

CEX ****

C-language executor

User file

PMC - ****

Ladder software

User file

PMC@****

Ladder software for the loader

User file

V : A numeric character, *: An alphabetic character

D.2.2

System Data Check

Screen

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D. BOOT SYSTEM

D Description

This screen is used to list files in flash memory, together with the

corresponding numbers of 128-KB management units in each file and the

series and edition of the software.

D Screen configuration

(1)

SYSTEM DATA CHECK

1/1

(2)

[BOARD:MAIN]

FILE DIRECTORY (FLASH ROM : 4MB)

(3)

1 NC BASIC

( 8)

2 DG SERVO

( 1)

3 PMC0BSC

( 2)

4 PMC-RB

( 1)

5 PCD 0.5M

( 4)

(4)

END

(5)

*** MESSAGE ***

SELECT FILE AND HIT SELECT KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

: Screen title

: Names of accessing board

: Names of files in flash memory The number of management units

constituting each file appears in parentheses to the right of the file

name.

: Returning to the previous menu

: Message

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D Operating procedure

Select the file whose details are required. For example, select ”1 NC

BASIC (8).”

The numbers of management units in the selected file are listed,

together with the series and edition of the software in each

management unit. After checking the listed data, select the

[SELECT] soft key to return to the file selection screen.

ROM FILE CHECK

NC BASIC

0 B1A1 801B 000

1 B1A1 802B 001

0 B1A1 801B 000

2 B1A1 841B 002

3 B1A1 842B 003

4 B1A1 881B 004

ÁInternal management-unitÁ

5 B1A1 882B 005

ÁnumberÁÁÁÁÁÁ

6 B1A1 8C1B 006

ROM number and edition

7 B1A1 8C2B 007

ÁSriesÁÁÁÁÁÁÁ

ÁÁÁÁÁÁÁÁÁ

*** MESSAGE ***

HIT SELECT KEY.

D Others

Parity information for the system file and user file

The NC BASIC, DG SERVO, and other system files in flash memory

contain parity information in each management unit. If the file name field

or parity field on the check screen contains a non-ASC II character or an

”@” , the flash ROM may have been destroyed or a damaged file may

have been read. Re-read the data from the memory card.

The PMC-RB, PCD 0.5M, and other user files do not contain parity

information in each management unit. A non-ASCII character or an ”@”

may appear in the series/edition information. In this case, it does not

indicate that the file has been damaged.

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D. BOOT SYSTEM

D.2.3

System Data Delete

Screen

D Description

This screen is used to delete a user file from flash memory.

D Screen configuration

(1)

SYSTEM DATA CHECK

1/1

(2)

[BOARD:MAIN]

FILE DIRECTORY (FLASH ROM : 4MB)

(3)

1 NC BASIC

( 8)

2 DG SERVO

( 1)

3 PMC0BSC

( 2)

4 PMC-RB

( 1)

5 PCD 0.5M

( 4)

(4)

END

(5)

*** MESSAGE ***

SELECT FILE AND HIT SELECT KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

: Screen title

: Names of accessing board

: Names of files in flash memory The number of management units

constituting each file appears in parentheses to the right of the file

name.

: Returning to the previous menu

: Message

D Operating procedure

Position the cursor to the name of the file to be deleted. Press the

[SELECT] soft key.

The system displays the following confirmation message :

*** MESSAGE ***

DELETE OK ? HIT YES OR NO.

To start the deletion, press the [YES] key. To cancel, press [NO].

*** MESSAGE ***

DELETING ROM FILE IN FLASH MEMORY.

When deletion terminates normally, the system displays the following

message. Press the [SELECT] key.

*** MESSAGE ***

DELETING COMPLETE. HIT SELECT KEY.

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D. BOOT SYSTEM

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D Others

System files and user files on SYSTEM DATA DELETE screen The

SYSTEM DATA DELETE screen guards against system files being

accidentally deleted by the operator. User files, however, are not

protected. Protected system files can be overwritten from the

SYSTEM DATA LOADING screen.

D.2.4

SYSTEM DATA SAVE

Screen

D Description

This screen is used to write a user file in flash memory to a memory card.

Only user files can be saved from flash memory to a memory card.

System files cannot be saved.

D Screen configuration

(1)

SYSTEM DATA SAVE

(2)

[BOARD:MAIN]

FILE DIRECTORY (FLASH ROM : 4MB)

(3)

1 NC BASIC

( 8)

2 DG SERVO

( 1)

3 PMC0BSC

( 2)

4 PMC-RB

( 1)

5 PCD 0.5M

( 4)

(4)

END

(5)

*** MESSAGE ***

SELECT FILE AND HIT SELECT KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

: Screen title

: Names of accessing board

: Names of files in flash memory The number of management units

constituting each file appears in parentheses to the right of the file

name.

: Returning to the previous menu

: Message

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D. BOOT SYSTEM

D Operating procedure

Position the cursor to the name of the file to be deleted. Press the

[SELECT] soft key.

The system displays the following confirmation message :

*** MESSAGE ***

SAVE OK ? HIT YES OR NO.

To start saving, press the [YES] key. To cancel, press [NO].

*** MESSAGE ***

WRITING FLASH ROM FILE TO MEMORY CARD.

SAVE FILE NAME : PMC_RB.000

When saving terminates normally, the system displays the

following message. Press the [SELECT] key. The names of files

written to the memory card are listed. Check the file names by, for

example, making a note of the list.

*** MESSAGE ***

FILE SAVE COMPELETE. HIT SELECT KEY.

SAVE FILE NAME : PMC_RB.000

D Others

System files and user files on SYSTEM DATA SAVE screen

The SYSTEM DATA SAVE function provides a safeguard against free

copying of the system files.

User files, however, are not protected.

Names of saved files

Files saved from flash memory to a memory card have the following

names :

Flash memory

Memory card

PMC-RA

PMC_RA. XXX

PMC-RB

PMC_RB. XXX

PMC 0.5M

PCD_0.5M.XXX

PMC 1.0M

PCD_10M.XXX

PMC 1.5M

PCD_15M.XXX

CEX1.0M

CEX_10M.XXX

CEX 2.0M

CEX_20M.XXX

XXX corresponds to the file extension of MS-DOS format files. A

number from 000 to 031 is specified for XXX. For example, if the

PMC-RA file in flash memory is saved to a memory card that does not

yet contain any PMC-RA. * files, the saved file is named PMC-RA.000.

If, however, that file is saved to a memory card that already contains a file

named PMC-RA.000, the saved file is named PMC-RA.001. As files are

added, the extension is incremented up to a maximum of PMC-RA.031.

Any no-longer used numbers in the sequence of the extension numbers

are used in as cending order. If two or more files having identical names

but different extension numbers are normally saved to the memory card,

check the file names displayed subsequently.

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D.2.5

SRAM DATA BACKUP

Screen

D Description

This screen is used to collectively save and restore parameters, programs,

and other data, retained after the CNC power is turned off, to and from a

memory card.

D Screen configuration

Select ”4 SRAM DATA BACKUP” on the SYSTEM MONITOR MAIN

MENU screen. The following screen is displayed.

(1)

SRAM DATA BACKUP

(2)

[BOARD:MAIN]

(3)

1. SRAM BACKUP (CNC

³ MEMORY CARD)

2. RESTORE SRAM (MEMORY CARD

³ CNC)

(4)

END

(5)

SRAM SIZE

0.5MB (BASIC)

(6)

FILE NAME

SRAM0_5A. FDB

(7)

*** MESSAGE ***

SELECT MENU AND HIT SELECT KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

: Screen title

: Names of accessing board

: Menu

: Returning to the previous menu

: Size of SRAM mounted on the CNC

: File name

: Message

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D. BOOT SYSTEM

D Operating procedure

[Backing up data]

Select ”1. SRAM BACKUP.” The following confirmation message is

displayed. Press [YES] to start backup.

*** MESSAGE ***

BACKUP SRAM DATA OK ? HIT YES OR NO.

The name of the file being written to the memory card is displayed in

the FILE NAME: field.

SRAM SIZE

: 128K (BASIC)

FILE NAME

: SRAM128K. 000

³ MEMORY CARD

Name of the file being

*** MESSAGE ***

saved

SRAM DATA WRITING TO MEMORY CARD.

Upon terminating normally, the system displays the following

message. Press the [SELECT] soft key.

*** MESSAGE ***

SRAM BACKUP COMPLETE. HIT SELECT KEY.

[Restoring the data]

Select “2. RESTORE SRAM.” The system displays the following

message. Press the [YES] key.

*** MESSAGE ***

RESTORE SRAM DATA OK ? HIT YES OR NO.

The system displays the following message during restoration.

*** MESSAGE ***

RESTORE SRAM DATA FROM MEMORY CARD.

Upon terminating normally, the system displays the following

message. Press the [SELECT] soft key.

*** MESSAGE ***

RESTORE COMPLETE. HIT SELECT KEY.

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D Others

Name of backup file

The name of the backup file written to the memory card by the SRAM

backup function depends on the size of the SRAM installed in the

CNC.

When the size of SRAM is 1MB or larger, backup files are created in

units of 512 KB.

Number of

files

SRAM size

256KB

SRAM256A.FDB

1.5MB

SRAM0_5A.FDB

1.0MB

SRAM1_0A.FDB

SRAM1_0B.FDB

1.5MB

SRAM1_5A.FDB

SRAM1_5B.FDB

SRAM1_5C.FDB

2.5MB

SRAM2_5A.FDB

SRAM2_5B.FDB

SRAM2_5C.FDB

SRAM2_5D.FDB

SRAM2_5E.FDB

When the OPT2, OPT3, or LCB board is installed in addition to the main

board

The backup file for SRAM on the OPT2, OPT3, or LCB board will have the

following extension:

Board

MAIN

OPT2

OPT3

LCB

Extension

FDB

OP2

OP3

LCB

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APPENDIX

D. BOOT SYSTEM

D.2.6

MEMORY CARD FILE

DELETE Screen

D Description

This screen is used to delete a file from a memory card.

D Screen configuration

(1)

SRAM DATA LOADING

1/1

FILE DIRECTORY

(2)

B1A1EO2B.ROM

B1A1E02O.ROM

(3)

END

(4)

*** MESSAGE ***

SELECT FILE AND HIT SELECT KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

: Screen title. Tlhe current page number (n) and the total number

of pages (m) are displayed, in n/m format, at the right end.

: Files on the memory card

: Option for returning to the previous menu

: Message

D Operating procedure

Press the [SELECT] key to select the name of the file to be deleted

from the memory card.

The system displays the following confirmation message. Press the

[YES] key.

*** MESSAGE ***

DELETE OK ? HIT YES OR NO.

When deletion completes normally, the following message is

displayed. Pless [SELECT]key.

*** MESSAGE ***

DELETE COMPLETE. HIT SELECT KEY.

D Others

When the memory card contains nine or more files

Display the desired page, following the procedure given in the

description of the SYSTEM DATA LOADING screen.

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D.2.7

MEMORY CARD

FORMAT Function

D Description

This function is used to format a memory card. Memory cards must be

formatted before they can be used for the first time or before they can be

re-used after their data has been destroyed or lost because of, for example,

battery failure.

D Operating procedure

1 From the SYSTEM MONITOR MAIN MENU screen, select ”7.

MEMORY CARD FORMAT.”

The system displays the following confirmation message.

Press the [YES] key.

*** MESSAGE ***

MEMORY CARD FORMAT OK ? HIT YES OR NO.

The system displays the following message during formatting :

*** MESSAGE ***

FORMATTING MEMORY CARD.

When a card has been formatted normally, the system display the

⋅

following message.

⋅

Press the [SELECT] key.

*** MESSAGE ***

FORMAT COMPLETE. HIT SELECT KEY.

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D. BOOT SYSTEM

D.2.8

LOAD BASIC SYSTEM

Function

D Description

The function is used to terminate the boot system and activate the CNC.

D Operating procedure

From the MAIN MENU screen, select “9. END.” The system displays

the “ARE YOU SURE? HIT YES OR NO” message. To terminate the

boot system and activate the CNC, press the [YES] soft key. Pressing

the [NO] key cancels this operation.

*** MESSAGE ***

ARE YOU SURE ? HIT YES OR NO.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

After pressing the [YES] soft key

The system checks the NC BASIC system file in the flash ROM. The

system displays the following message :

*** MESSAGE ***

CHECK CNC BASIC SYSTEM.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

When the NC BASIC system file is found to be normal, the system

sends the system file to DRAM and starts the NC basic system. During

loading, the system blinks the following message.

*** MESSAGE ***

LOADING BASIC TO DRAM

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

If the contents of the NC BASIC SYSTEM file are found to have been

damaged or destroyed, the system returns to the processing selection

state, in exactly the same way as when the [NO] soft key is pressed.

If the [NO] soft key is pressed, the system returns to the processing

selection state as shown below :

*** MESSAGE ***

SELECT MENU AND HIT [SELECT] KEY.

[ SELECT ][ YES

][ NO

][ UP

][ DOWN

]

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D. BOOT SYSTEM

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The following table lists and explains error messages in alphabetical

D.3

order.

ERROR MESSAGES

AND REQUIRED

ACTIONS

Message

Description and required action

DELETE ERROR.

An attempt to delete a file from flash memory was unsuccessful. Retry

HIT SELECT KEY.

the deletion. If the second attempt also fails, the flash memory may

have been damaged or destroyed. Replace the flash memory module.

DEVICE ERROR (CNC x)

An attempt to write data to flash memory was unsuccessful. Retry the

write operation. If the second attempt also fails, the flash memory may

have been damaged or destroyed. Repalce the flash memory module.

D-RAM OR S-RAM PARITY

Invalid data has been found in the RAM area. If the RAM was not

cleared after being installed, subsequently attempting backup may

stop the BOOT SYSTEM and cause this message to be output.

FILE SAVE ERROR.

An attempt to write a file to a memory card was unsuccessful. Check

HIT SELECT KEY.

that the memory card is not damaged.

Note) Check that the memory card’s battery is not exhusted, that its

circuitry has not been damaged, and that it is securely inserted into its

slot.

FLASH MEMORY NO SPACE

There is insufficient free flash memory to store the selected file. De-

lete any unnecessary files from flash memory.

FLASH ROM MODULE NOT EX-

The flash memory module is not mounted on that CNC system. Put

IST.

the flash memory module on the board.

HIT SELECT.

ILLEGAL FORMAT FILE

The selected file cannot be read into flash memory. The selected file

or the header information for flash memory may have been damaged

or destroyed.

LOADING ERROR.

An error occurred while loading data into flash memory.

HIT SELECT KEY.

Do not touch the memory card while loading data.

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D. BOOT SYSTEM

Message

Description and required action

MAX EXTENSION OVER.

The extension number added to a file name exceeds 031. Delete any

HIT SELECT KEY.

unnecessary backup files from the memory card.

MEMORY CARD BATTERY

The memory card’s battery is exhausted. Replace the battery.

ALARM.

HIT SELECT.

MEMORY CARD FULL.

The memory card is full. Delete any unnecessary files from the

HIT SELECT KEY.

memory card. Alternatively, replace the memory card with another

card having sufficient free space.

MEMORY CARD MOUNT ER-

The memory card could not be accessed. Check that the memory

ROR.

card is normal.

HIT SELECT KEY

MEMORY CARD NOT EXIST.

The memory card is not inserted into its slot. Check that the memory

HIT SELECT KEY.

card is pushed fully home.

MEMORY CARD PROTEC-

Although writing to the memory card was selected, the write inhibit

TED.HIT SELECT KEY.

switch is set. Disable the write inhibit switch.

MEMORY CARD TYPE IS NOT

Write has been attempted to an incompatible flash memory card. Use

AVAILABLE.

only the flash memory cards recommended by FANUC. Recom-

mended flash memory cards are listed in the ordering list.

MEMORY CARD WRITE ER-

Access to the memory card has failed. Check whether the memory

ROR.

card is defective.

HIT SELECT KEY.

PLEASE FORMAT FLASH TYPE

It is not possible to delete only specific files from a flash memory card,

CARD.HIT SEL.

due to the characteristics of the memory used. To delete a file it is

necessary to delete all files on the card, by using the FORMAT func-

tion.

ROM PARITY ERROR:

The NC BASIC is parity error. Check that mounted flash memory

NC BASIC. HIT SELECT.

module contains NC BASIC file.

SRAM DATA BACKUP ERROR.

An attempt to write a backup file to a memory card failed.

HIT SELECT KEY.

Check that the memory card is normal.

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E. NOTATION OF MDI KEYS

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NOTATION OF MDI KEYS

Series 16/18/160/180-MODEL B have two types of MDI keypads : English type and Symbolic type.

The table below shows correspondence between English keys and Symbolic keys.

This manual uses English type in the text.

Therefore when a user uses Symbolic type MDI keypads and encounters an English key in the text, please refer

to the correspondence table shown below.

Name

English key

Symbolic key

CANCEL key

CAN

POSITION key

POS

PROGRAM key

PROG

OFFSET/

OFFSET

SETTING key

SETTING

CUSTOM key

CUSTOM

SYSTEM key

SYSTEM

MESSAGE key

MESSAGE

GRAPH key

GRAPH

CNC

CNC/MMC key

MMC

SHIFT key

SHIFT

506

FANUC Series 16 / 160 / 18 / 180 – Model B. Maintenance Manual - page 17