Mitsubishi Electric EZMotion-NC E68 Series User manual

EZMotion, MELDAS and MELSEC are registered trademarks of Mitsubishi Electric
Corporation.
Other company and product names that appear in this manual are trademarks or
registered trademarks of the respective company.

Introduction
This manual is referred to when using the EZMotion-NC E60/E68.
This manual explains how to operate, run and set up this NC unit. Read this manual
thoroughly before using the NC unit. To safely use this NC unit, thoroughly study the
"Precautions for Safety" on the next page before use.
Details described in this manual
CAUTION
For items described as "Restrictions" or "Usable State" in this manual, the instruction
manual issued by the machine maker takes precedence over this manual.
Items not described in this manual must be interpreted as "not possible".
This manual is written on the assumption that all option functions are added. Confirm
with the specifications issued by the machine maker before starting use.
Refer to the Instruction Manual issued by each machine maker for details on each
machine tool.
Some screens and functions may differ depending on the NC system (or its version),
and some functions may not be possible. Please confirm the specifications before use.
Refer to the following documents.
EZMotion-NC E60/E68 Alarm / Parameter Manual ･････････IB-1500175(ENG)
EZMotion-NC E60/E68 Programming Manual (M TYPE) ････ IB-1500174(ENG)
EZMotion-NC E60/E68 Programming Manual (L TYPE)･････IB-1500173(ENG)
In this NC unit, the machining programs, parameters and tool compensation data are saved in
the memory (memory elements). This NC unit's memory is backed up by lithium batteries, and
under normal conditions will last 6 years from the date of manufacture. However, data contents
could be lost under the conditions described below.
To prevent data loss, output important programs, parameters, etc., to a serial input/output device
and save them. Refer to Section "III-8 Maintenance Functions" in this manual for information on
how to do this.
Data in the memory can be lost under these kinds of conditions.
(1) Incorrect operation
Data can be lost if the operator inadvertently changes data while editing a program or setting
parameters.
(This is not really a data loss, but it is a loss from the standpoint that the original data is gone.)
Data can be lost if the operator inadvertently deletes data or initializes NC unit.
(2) Battery life expires
When the battery life expires and there is not enough voltage to store the data in the memory,
data can be lost by turning the power OFF.
(3) Faults
Data can be lost when faults occur and the control unit must be replaced.
< Important Usage Notes >

Precautions for Safety
Always read the specifications issued by the machine maker, this manual, related
manuals and attached documents before installation, operation, programming,
maintenance or inspection to ensure correct use.
Understand this numerical controller, safety items and cautions before using the unit.
This manual ranks the safety precautions into "DANGER", "WARNING" and "CAUTION".
DANGER
When the user may be subject to imminent fatalities or major
injuries if handling is mistaken.
WARNING
When the user may be subject to fatalities or major injuries if
handling is mistaken.
CAUTION
When the user may be subject to bodily injury or when physical
damage may occur if handling is mistaken.
Note that even items ranked as " CAUTION", may lead to major results depending on
the situation. In any case, important information that must always be observed is
described.
DANGER
Not applicable in this manual.
WARNING
Not applicable in this manual.
CAUTION
1. Items related to product and manual
For items described as "Restrictions" or "Usable State" in this manual, the instruction
manual issued by the machine maker takes precedence over this manual.
Items not described in this manual must be interpreted as "not possible".
This manual is written on the assumption that all option functions are added. Confirm
with the specifications issued by the machine maker before starting use.
Refer to the Instruction Manual issued by each machine maker for details on each
machine tool.
Some screens and functions may differ depending on the NC system (or its version),
and some functions may not be possible. Please confirm the specifications before
use. (Continued on next page)

CAUTION
2. Items related to installation and assembly
Ground the signal cables to ensure stable system operation. Also ground the NC unit
main frame, power distribution panel and machine to one point, so they all have the
same potential.
If the control unit's rotary switch is set to "7", all data in the NC will be erased and the
system will not start up.
3. Items related to preparation before use
Always set the stored stroke limit. Failure to set this could result in collision with the
machine end.
Always turn the power OFF before connecting/disconnecting the I/O device cable.
Failure to do so could damage the I/O device and NC unit.
4. Items related to screen operation
If the tool offset and workpiece coordinate system offset are changed during automatic
operation (including during single block stop), they are validated from the command of
the next block or blocks onwards.
When forcibly setting (forcibly outputting) data on the I/F diagnosis screen during
machine operation, pay careful attention to the sequence operation.
All of the various data in the NC memory is erased when formatting. Be sure to use
the transfer function to transfer all necessary data to another storage device before
formatting.
Even if the tool compensation amount write command, parameter write command or
variable data write command is executed with graphic check, the data will be actually
written in, and the original data will be overwritten.
To prevent influence from data omission and data transformation in the communication
circuit, always verify the data after inputting and outputting machining programs.
Do not change setup parameters without prior approval from the machine maker.
5. Items related to programming
Because of key chattering, etc., during editing, "NO NOS. FOLLOWING G" commands
become a "G00" operation during running.
";" "EOB" and "%" "EOR" are expressions used for explanation. Under ISO, the actual codes
are "CR, LF" or "LF" for ";" "EOB" and "%" for "%" "EOR".
Programs created on the Edit screen are stored in the NC memory in a "CR, LF" format, but
programs created with external devices may be stored in an "LF" format.
The actual codes for EIA are: "EOB (End of Block)" and "EOR (End of Record)".
Do not change the fixed cycle program without prior approval from the machine maker.
(Continued on next page)

CAUTION
6. Items related to operation
Stay out of the moveable range of the machine during automatic operation. During
rotation, keep hands, feet and face away from the spindle.
Carry out dry operation before actually machining, and confirm the machining program,
tool offset and workpiece coordinate system offset.
If the operation start position is set from a block in the program and the program is
started, the program before the set block is not executed. If there are coordinate
system shift commands or M, S, T, and B commands before the block set as the
starting position, carry out the required commands using the MDI, etc. There is a
danger of interference with the machine if the operation is started from the set starting
position block without carrying out these operations.
Program so the mirror image function is turned ON/OFF at the mirror image center.
The mirror image center will deviate if the function is turned ON/OFF at a position
other than the mirror image center.
7. Items related to faults and abnormalities
If the BATTERY LOW alarm is output, save the machining programs, tool data and parameters
to an input/output device, and then replace the battery. If the BATTERY alarm occurs, the
machining programs, tool data and parameters may be damaged. After replacing the battery,
reload each data item.
If the axis overruns or emits an abnormal noise, immediately press the emergency
stop button and stop the axis movement.
8. Items related to maintenance
Incorrect connections may damage the devices, so connect the cables to the
specified connectors.
Do not apply voltages other than those indicated in this manual on the connector.
Doing so may lead to destruction or damage.
Do not connect or disconnect the connection cables between each unit while the
power is ON.
Do not connect or disconnect the PCBs while the power is ON.
Do not connect the cable by pulling on the cable wire.
Do not short circuit, charge, overheat, incinerate or disassemble the battery.
Dispose the spent battery according to local laws.
Do not replace the control unit while the power is ON.
Do not replace the base I/O unit while the power is ON.
Do not replace the control section power supply PCB while the power is ON.
Do not replace the expansion PCB while the power is ON.
Do not replace the memory cassette while the power is ON.
Be careful that metal cutting chips, etc., do not come into contact with the connector
contacts of the memory cassette.

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Contents
I. OPERATION SECTION
1. Setting and Display Unit Operation.........................................................................................1
1.1 Appearance of Setting and Display Unit...........................................................................1
1.2 Functions of Display Areas...............................................................................................2
1.3 Screen Transition Diagram...............................................................................................4
1.3.1 Screen Transition when Power Is Turned ON.......................................................4
1.3.2 Screen Transition Diagram (Lathe system)...........................................................5
1.3.3 Screen Transition Diagram (Machining center system)........................................7
1.4 Screen Selection Procedure.............................................................................................9
1.5 Data Setting Method.......................................................................................................12
1.6 Screen Saver..................................................................................................................16
2. Monitor..................................................................................................................................18
2.1 POSITION......................................................................................................................19
2.1.1 Total Clear of Screen..........................................................................................21
2.1.2 Position Display Counter Zero and Origin Zero ..................................................21
2.1.3 Manual Numeric Command (S, T, M) .................................................................22
2.1.4 Displaying Automatic Operation Program...........................................................25
2.2 COORDINATE ...............................................................................................................26
2.2.1 Correcting the Buffer...........................................................................................29
2.3 COMMAND ....................................................................................................................41
2.3.1 Execution Program Monitor.................................................................................41
2.3.2 Execution Modal Monitor.....................................................................................42
2.3.3 Total Integrating Time Display ............................................................................44
2.4 PROGRAM SEARCH.....................................................................................................46
2.4.1 Memory Search...................................................................................................47
2.4.2 Tape Search........................................................................................................48
2.4.3 IC Card Search ...................................................................................................50
2.4.4 Compare Stop.....................................................................................................51
2.5 Resuming the Program ..................................................................................................53
2.5.1 Operation Sequences for Program Restart.........................................................55
2.5.2 Restart Search Operations..................................................................................58
2.5.3 Restart Position Return System..........................................................................64
2.5.4 Manual Numeric Commands with Program Restart............................................65
2.5.5 Checkpoints for Program Restart........................................................................66
2.6 PLC SWITCH.................................................................................................................68
2.6.1 PLC Switch ON and OFF Operation...................................................................68
2.7 COMMON VARIABLE....................................................................................................69
2.7.1 Common Variable Display...................................................................................70
2.7.2 Common Variable Setting...................................................................................71
2.7.3 Common Variable Data Deleting.........................................................................71
2.8 LOCAL VARIABLE.........................................................................................................72
2.8.1 Local Variable Data Display................................................................................73
3 (I). Tool Offset (L system)......................................................................................................75
3.1 Wear Data......................................................................................................................76
3.1.1 Setting Tool Offset Data......................................................................................77
3.1.2 Erasing the Tool Offset Data...............................................................................77
3.1.3 Tool Wear and Tool Length Data Setting Mode (incremental/absolute)...............78

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3.2 Tool Length Data............................................................................................................80
3.2.1 Manual Tool Length Measurement I ...................................................................81
3.2.2 Manual Numeric Command Operation on the TOOL DATA Screen (M, T) ........87
3.2.3 Manual Tool Length Measurement II ..................................................................88
3.3 Tool Nose Data ..............................................................................................................95
3.4 Tool Life Management I (#1096 T_L type is 1)...............................................................96
3.4.1 Tool Life Management Method ...........................................................................97
3.4.2 Conditions for Counting (incrementing)...............................................................97
3.4.3 Setting Tool Life Management Data....................................................................98
3.4.4 Erasing Tool Life Management Data in Display Screen Units ............................98
3.4.5 Precautions.........................................................................................................98
3.5 Tool Life Management II (#1096 T_Ltype is 2)...............................................................99
3.5.1 Group Registration..............................................................................................99
3.5.2 Tool Life Incrementation Methods.....................................................................102
3.5.3 Parameters........................................................................................................104
3.6 Tool Registration..........................................................................................................105
3.6.1 Outline of Functions..........................................................................................105
3.6.2 Tool Registration in the Magazine Pot..............................................................105
3.6.3 Tool Registration in the Spindle, Standby and Indexing Areas.........................106
3.6.4 Deleting Tool Registration Data........................................................................107
3.6.5 Manual Numeric Command Operation (M, T) on the TOOL
REGISTRATION Screen...................................................................................107
3 (II). Tool Offset (M system)..................................................................................................109
3.1 Tool Offset....................................................................................................................110
3.1.1 Tool Offset Data Setting....................................................................................111
3.1.2 Tool Offset Data Clear ......................................................................................111
3.1.3 Tool Offset Data Setting Modes (Absolute and Incremental)............................111
3.1.4 Manual Tool Length Measurement ...................................................................114
3.1.5 Manual Numeric Command Operation on the TOOL OFFSET Screen
(M, T).................................................................................................................117
3.2 Tool Registration..........................................................................................................118
3.2.1 Function Outline................................................................................................118
3.2.2 Tool Registration in Magazine Pot....................................................................119
3.2.3 Tool Registration in HEAD, NEXT, and INDEX.................................................120
3.2.4 Tool Registration Data Clear.............................................................................120
3.2.5 Manual numeric Command Operation on the TOOL REGISTRATION
Screen (M, T)....................................................................................................121
3.3 Tool Life........................................................................................................................122
3.3.1 Function Outline................................................................................................122
3.3.2 TOOL LIFE Screen Data Display......................................................................123
3.3.3 TOOL LIFE Data Display and Setting (TOOL LIFE Data Screen Page 2)........127
3.3.4 Clear of All TOOL LIFE Data (HEAD, NEXT, GROUP LIST Screen
Page 1)..............................................................................................................128
4. Parameters (User)..............................................................................................................129
4.1 Workpiece Coordinate..................................................................................................130
4.1.1 Setting Workpiece Coordinate System Offset Data..........................................132
4.1.2 Setting External Workpiece Coordinate System Offset Data............................132
4.1.3 Displaying Machine Position Data.....................................................................132
4.1.4 Workpiece Coordinate Offset Measurement Function (L System)....................133
4.1.5 Workpiece Coordinate Offset Measurement Function (M System)......................137
4.1.6 Workpiece Position Measurement Function (M System)..................................138

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4.2 Machining Parameters .................................................................................................144
4.2.1 PROCESS PARAMERTER...............................................................................144
4.2.2 Control Parameters...........................................................................................150
4.2.3 Axis Parameters................................................................................................152
4.2.4 Barrier Data.......................................................................................................154
4.2.5 Tool Measurement Parameters.........................................................................155
4.3 I/O Parameters.............................................................................................................156
4.3.1 I/O BASE PARAM.............................................................................................156
4.3.2 I/O DEVICE PARAM.........................................................................................157
4.3.3 COMPUTER LINK PARAMETER .....................................................................160
4.4 Setup Parameters ........................................................................................................163
4.5 BACKUP Screen ..........................................................................................................164
4.5.1 Backup Operations............................................................................................165
4.5.2 Restoration Operations.....................................................................................166
4.5.3 Restoring Individual Data..................................................................................167
5. Program..............................................................................................................................168
5.1 Function Outline...........................................................................................................169
5.2 Menu Function..............................................................................................................170
5.2.1 MDI Screen Menu Function ..............................................................................170
5.2.2 EDIT Screen Menu Function.............................................................................173
5.3 Program Edit Operation................................................................................................175
5.3.1 Data Display Update (One Screen Scroll).........................................................175
5.3.2 Data Display Update (One Line Scroll).............................................................176
5.3.3 Data Change.....................................................................................................177
5.3.4 Data Insertion....................................................................................................178
5.3.5 Deletion of One Character ................................................................................179
5.3.6 Deletion of One Block .......................................................................................180
5.3.7 Deletion of Data on One Screen.......................................................................181
5.4 MDI Screen Extension Operation.................................................................................182
5.4.1 MDI Data Registration in Memory.....................................................................182
5.5 Edit Screen Extension Operation.................................................................................183
5.5.1 Edit Data Call....................................................................................................183
5.5.2 New Program Registration and Preparation .....................................................188
5.6 PLAYBACK ..................................................................................................................189
5.6.1 Playback Operation...........................................................................................190
5.6.2 Edit Operation...................................................................................................195
5.6.3 Limitations.........................................................................................................196
5.7 Word Editing.................................................................................................................197
5.7.1 Handling of the Various Keys During Word Editing...........................................200
5.7.2 Searching Word Units.......................................................................................201
5.7.3 Word Search.....................................................................................................202
5.7.4 Character String Search....................................................................................203
5.7.5 Deleting Words..................................................................................................204
5.7.6 Deleting Lines ...................................................................................................205
5.7.7 Replacing Words...............................................................................................206
5.7.8 Inserting Words.................................................................................................207
5.7.9 Copying Words..................................................................................................209
5.7.10 Program ..........................................................................................................210
5.7.11 Deleting Programs ..........................................................................................211
5.7.12 Newly Creating Programs...............................................................................212
5.7.13 Operation Search............................................................................................213
5.7.14 B. G Search.....................................................................................................214
5.7.15 B. G Quit .........................................................................................................215

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5.7.16 Comments.......................................................................................................215
5.7.17 Setting the Program Operation Start Position.................................................216
6. Data In/Out .........................................................................................................................217
6.1 DATA INPUT................................................................................................................218
6.1.1 Change of Input and Comparison.....................................................................219
6.1.2 Machining Program Input..................................................................................220
6.1.3 Inputting Tool Offset Data.................................................................................222
6.1.4 Inputting Parameter Data..................................................................................223
6.1.5 Inputting Common Variables.............................................................................224
6.1.6 Inputting History Data........................................................................................225
6.1.7 Inputting Auxiliary Axis Parameter Data............................................................226
6.2 DATA OUTPUT............................................................................................................227
6.2.1 Machining Program Output...............................................................................229
6.2.2 Outputting Tool Offset Data ..............................................................................232
6.2.3 Outputting Parameter Data...............................................................................233
6.2.4 Outputting Common Variable Data...................................................................236
6.2.5 Outputting History Data.....................................................................................237
6.2.6 Outputting Waveform Data................................................................................238
6.2.7 Outputting Auxiliary Axis Parameter Data.........................................................239
6.3 PROGRAM ERASE......................................................................................................242
6.4 PROGRAM COPY........................................................................................................246
6.4.1 Machining Program Copy..................................................................................246
6.4.2 Machining Program Condense..........................................................................247
6.4.3 Machining Program Merge................................................................................248
6.4.4 Changing the Machining Program Number.......................................................249
6.5 PROGRAM FILE ..........................................................................................................250
6.6 RS-232C I/O Device Connection..................................................................................251
6.6.1 Connection of Tape Reader, Tape Puncher, Printer, FLD................................251
6.7 Data Protection.............................................................................................................252
6.7.1 Data Protection Key..........................................................................................252
6.7.2 Edit Lock B, C ...................................................................................................254
7. Diagnosis............................................................................................................................256
7.1 ALARM MESSAGE ......................................................................................................257
7.1.1 Tracing of Alarm and Stop Codes.....................................................................257
7.2 SERVO MONITOR.......................................................................................................259
7.2.1 Servo Monitor....................................................................................................259
7.2.2 Servo Monitor (2) ..............................................................................................260
7.2.3 Servo Diagnosis................................................................................................261
7.2.4 Servo Diagnosis (2)...........................................................................................262
7.2.5 PW Diagnosis....................................................................................................263
7.3 SPINDLE MONITOR....................................................................................................264
7.4 PLC Interface Diagnosis...............................................................................................268
7.4.1 PLC-I/F Setting and Display..............................................................................268
7.4.2 PLC Device Data Display..................................................................................270
7.4.3 PLC Interface Signal Forcible Definition (Single-shot Type).............................271
7.4.4 PLC Interface Signal Forcible Definition (Modal Type).....................................272
7.4.5 Diagnosis Executed When an Emergency Stop Status Occurs........................273
7.5 Absolute Position Monitor.............................................................................................274
7.5.1 ABS SERVO MONITOR....................................................................................274
7.5.2 Absolute Position Initialization...........................................................................275