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MITSUBISHI 700/70 Programming Manual

MELDAS is registered trademarks of Mitsubishi Electric Corporation. Other company and product names that appear in this manual are trademarks or registered trademarks of the respective companies.
This manual is a guide for using the MITSUBISHI CNC 700/70 Series. Programming is described in this manual, so read this manual thoroughly before starting programming. Thoroughly study the "Precautions for Safety" on the following page to ensure safe use of this NC unit.
Details described in this manual
CAUTION
For items described as "Restrictions" or "Usable State" in this manual, t he instruction ma nual
issued by the machine tool builder takes precedence over this manual.
Items not described in this manual must be interpreted as "not possible".
This manual is written o n t h e a s s u mp t i o n t hat all o p t ion func t i o n s ar e a d d ed .
Refer to the specifications issued by the machine tool builder before starting use.
Refer to the Instruction Manual issued by each machine tool builder 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.
General precautions
(1) Refer to the following documents for details on handling
MITSUBISHI CNC 700/70 Series Instruction Manual ................................. IB-1500042

Precautions for Safety

Always read the specifications issued by the machine tool builder, 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
WARNING
CAUTION
Note that even items ranked as " In any case, important information that must always be observed is described.
When the user may be subject to imminent fatalities or major injuries if handling is mistaken.
When the user may be subject to fatalities or major injuries if handling is mistaken.
When the user may be subject to injuries or when physical damage may occur if handling is mistaken.
CAUTION", may lead to major results depending on the situation.
DANGER
Not applicable in this manual.
Not applicable in this manual.
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 tool builder 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 f unctions are added. Re fer to the
specifications issued by the machine tool builder before starting use. Refer to the Instruction Manual issued by each machine tool builder 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.
WARNING
CAUTION
CAUTION
2. Items related to operation
Before starting actual machining, always carry out dry run operation to confirm the
machining program, tool offset amount and workpiece offset amount, etc. If the workpiece coordinate system offset amount is changed during single block stop, the
new setting will be valid from the next block. Turn the mirror image ON and OFF at the mirror image center. If the tool offset amount is changed during automatic operation (including during single
block stop), it will be validated from the next block or blocks onwards. Do not make the synchronous spindle rotation command OFF with one workpiece
chucked by the basic spindle and synchronous spindle during the spindle
synchronization.
Failure to observe this may cause the synchronous spindle stop, and hazardous
situation.
3. Items related to programming The commands with "no value after G" will be handled as "G00".
";" "EOB" and "%" "EOR" are expressions used for explanation. The actual codes are:
For ISO: "CR, LF", or "LF" and "%".
Programs created on the Edit screen are stored in the NC memory in a "CR, LF" format,
but programs created with external devices such as the FLD or RS-232C may be stored in an "LF" format.
The actual codes for EIA are: "EOB (End of Block)" and "EOR (End of Record)".
When creating the machining program, select the appropriate machining conditions, and
make sure that the performance, capacity and limits of the machine and NC are not exceeded. The examples do not consider the machining conditions. Do not change fixed cycle programs without the prior approval of the machine tool builder.
When programming the multi-part system, take special care to the movements of the
programs for other part systems.
1. Control Axes .................................................................................................................................1
1.1 Coordinate Words and Control Axes........................................................................................1
1.2 Coordinate Systems and Coordinate Zero Point Symbols .......................................................2
2. Least Command Increments........................................................................................................3
2.1 Input Setting Units....................................................................................................................3
2.2 Indexing Increment...................................................................................................................5
3. Data Formats.................................................................................................................................6
3.1 Tape Codes..............................................................................................................................6
3.2 Program Formats......................................................................................................................9
3.3 Tape Memory Format.............................................................................................................12
3.4 Optional Block Skip ................................................................................................................12
3.4.1 Optional Block Skip; /.......................................................................................................12
3.4.2 Optional Block Skip Addition ; /n......................................................................................13
3.5 Program/Sequence/Block Nos.; O, N.....................................................................................15
3.6 Parity H/V ...............................................................................................................................16
3.7 G Code Lists...........................................................................................................................17
3.8 Precautions before Starting Machining...................................................................................23
4. Buffer Register............................................................................................................................24
4.1 Input Buffer.............................................................................................................................24
4.2 Pre-read Buffers.....................................................................................................................25

CONTENTS

5. Position Commands...................................................................................................................26
5.1 Incremental/Absolute Value Commands................................................................................26
5.2 Radius/Diameter Commands .................................................................................................27
5.3 Inch/Metric Conversion; G20, G21.........................................................................................28
5.4 Decimal Point Input ................................................................................................................30
6. Interpolation Functions..............................................................................................................34
6.1 Positioning (Rapid Traverse); G00.........................................................................................34
6.2 Linear Interpolation; G01........................................................................................................41
6.3 Circular Interpolation; G02, G03.............................................................................................44
6.4 R Specification Circular Interpolation; G02, G03....................................................................49
6.5 Plane Selection; G17, G18, G19............................................................................................51
6.6 Thread Cutting........................................................................................................................53
6.6.1 Constant Lead Thread Cutting; G33 ................................................................................53
6.6.2 Inch Thread Cutting; G33.................................................................................................58
6.6.3 Continuous Thread Cutting ..............................................................................................60
6.6.4 Variable Lead Thread Cutting; G34..................................................................................61
6.6.5 Circular Thread Cutting; G35, G36...................................................................................64
6.7 Helical Interpolation; G17, G18, G19, and G02, G03.............................................................68
6.8 Milling Interpolation; G12.1.....................................................................................................71
6.8.1 Selecting Milling Mode .....................................................................................................73
6.8.2 Milling Interpolation Control and Command Axes............................................................74
6.8.3 Selecting a Plane during the Milling Mode.......................................................................76
6.8.4 Setting Milling Coordinate System ...................................................................................78
6.8.5 Preparatory Functions......................................................................................................80
6.8.6 Switching from Milling Mode to Turning Mode; G13.1......................................................85
6.8.7 Feed Function ..................................................................................................................85
6.8.8 Program Support Functions .............................................................................................85
6.8.9 Miscellaneous Functions..................................................................................................86
6.8.10 Tool Offset Functions.....................................................................................................87
6.8.11 Interference Check.......................................................................................................103
6.9 Cylindrical Interpolation; G07.1 (6 and 7 only in G code list)................................................111
6.10 Polar Coordinate Interpolation; G12.1, G13.1/G112, G113 (Only 6, 7 in G code list)........119
6.11 Exponential Interpolation; G02.3, G03.3 ............................................................................126
7. Feed Functions .........................................................................................................................132
7.1 Rapid Traverse Rate ............................................................................................................132
7.2 Cutting Feed Rate ................................................................................................................132
7.3 F1-digit Feed ........................................................................................................................133
7.4 Feed Per Minute/Feed Per Revolution (Asynchronous Feed/Synchronous Feed); G94, G95135
7.5 Feed Rate Designation and Effects on Control Axes...........................................................137
7.6 Thread Cutting Mode............................................................................................................141
7.7 Automatic Acceleration/Deceleration....................................................................................142
7.8 Rapid Traverse Constant Inclination Acceleration/Deceleration ..........................................143
7.9 Speed Clamp........................................................................................................................145
7.10 Exact Stop Check; G09......................................................................................................146
7.11 Exact Stop Check Mode ; G61...........................................................................................149
7.12 Deceleration Check............................................................................................................150
7.12.1 G1 -> G0 Deceleration Check......................................................................................152
7.12.2 G1 -> G1 Deceleration Check......................................................................................153
7.13 Automatic Corner Override ; G62.......................................................................................154
7.14 Tapping Mode ; G63...........................................................................................................159
7.15 Cutting Mode ; G64 ............................................................................................................159
8. Dwell ..........................................................................................................................................160
8.1 Per-second Dwell ; G04........................................................................................................160
9. Miscellaneous Functions.........................................................................................................162
9.1 Miscellaneous Functions (M8-digits BCD)............................................................................162
9.2 2nd Miscellaneous Functions (A8-digits, B8-digits or C8-digits) ..........................................164
9.3 Index Table Indexing............................................................................................................165
10. Spindle Functions...................................................................................................................167
10.1 Spindle Functions (S2-digits BCD) ..... During Standard PLC Specifications.....................167
10.2 Spindle Functions (S6-digits Analog) .................................................................................167
10.3 Spindle Functions (S8-digits)..............................................................................................168
10.4 Constant Surface Speed Control; G96, G97......................................................................169
10.5 Spindle Clamp Speed Setting; G92....................................................................................170
10.6 Spindle/C Axis Control........................................................................................................171
10.7 Spindle Synchronization.....................................................................................................174
10.7.1 Spindle Synchronization Control I................................................................................175
10.7.2 Spindle Synchronization II............................................................................................185
10.7.3 Precautions for Using Spindle Synchronization Control...............................................190
10.8 Tool Spindle Synchronization IA (Spindle-Spindle, Polygon); G114.2...............................192
10.9 Tool Spindle Synchronization IB (Spindle-Spindle, Polygon);
G51.2 (Only 6 and 7 in G code list)....................................................................................200
10.10 Tool Spindle Synchronization IC (Spindle-NC Axis, Polygon);
G51.2 (Only 6 and 7 in G code list)....................................................................................208
10.11 Tool Spindle Synchronization II (Hobbing) ; G114.3 ........................................................211
10.12 Multiple-spindle Control....................................................................................................226
10.12.1 Multiple-spindle Control I (multiple spindle command)...............................................227
10.12.2 Multiple-spindle Control I (spindle selection command).............................................228
10.12.3 Multiple-spindle Control II...........................................................................................231
11. Tool Functions........................................................................................................................234
11.1 Tool Functions (T8-digits BCD)..........................................................................................234
12. Tool Offset Functions.............................................................................................................235
12.1 Tool Offset..........................................................................................................................235
12.1.1 Tool Offset Start...........................................................................................................236
12.1.2 Expanded Method at Starting Tool Offset....................................................................238
12.2 Tool Length Offset..............................................................................................................240
12.3 Tool Nose Wear Offset.......................................................................................................242
12.4 Tool Nose Radius Compensation; G40, G41, G42, G46....................................................243
12.4.1 Tool Nose Point and Compensation Directions............................................................245
12.4.2 Tool Nose Radius Compensation Operations..............................................................249
12.4.3 Other Operations during Tool Nose Radius Compensation.........................................267
12.4.4 G41/G42 Commands and I, J, K Designation..............................................................275
12.4.5 Interrupts during Tool Nose Radius Compensation .....................................................280
12.4.6 General Precautions for Tool Nose Radius Compensation..........................................282
12.4.7 Interference Check.......................................................................................................283
12.5 Compensation Data Input by Program; G10, G11..............................................................288
12.6 Tool Life Management II.....................................................................................................291
12.6.1 Counting the Tool Life..................................................................................................294
13. Program Support Functions..................................................................................................296
13.1 Fixed Cycles for Turning Machining...................................................................................296
13.1.1 Longitudinal Cutting Cycle; G77 ...................................................................................297
13.1.2 Thread Cutting Cycle; G78...........................................................................................299
13.1.3 Face Cutting Cycle; G79..............................................................................................302
13.2 Fixed Cycle for Turning Machining (MITSUBISHI CNC special format).............................305
13.3 Compound Type Fixed Cycle for Turning Machining .........................................................306
13.3.1 Longitudinal Rough Cutting Cycle; G71.......................................................................307
13.3.2 Face Rough Cutting Cycle; G72...................................................................................323
13.3.3 Formed Material Rough Cutting Cycle; G73 ................................................................325
13.3.4 Finishing Cycle; G70....................................................................................................329
13.3.5 Face Cut-off Cycle; G74...............................................................................................330
13.3.6 Longitudinal Cut-off Cycle; G75 ...................................................................................332
13.3.7 Compound Thread Cutting Cycle; G76........................................................................334
13.3.8 Precautions for Compound Type Fixed Cycle for Turning Machining; G70 to G76 .....338
13.4 Compound Type Fixed Cycle for Turning Machining (MITSUBISHI CNC special format) .341
13.5 Fixed Cycle for Drilling; G80 to G89...................................................................................346
13.5.1 Face Deep Hole Drilling Cycle 1; G83 (Longitudinal deep hole drilling cycle 1; G87)..354
13.5.2 Face Tapping Cycle; G84 (Longitudinal tapping cycle; G88)
/ Face Reverse Tapping Cycle; G84.1 (Longitudinal reverse tapping cycle; G88.1)......355
13.5.3 Face Boring Cycle; G85 (Longitudinal boring cycle; G89) ...........................................359
13.5.4 Deep Hole Drilling Cycle 2; G83.2................................................................................359
13.5.5 Fixed Cycle for Drilling Cancel; G80 ............................................................................362
13.5.6 Precautions When Using a Fixed Cycle for Drilling......................................................362
13.6 Fixed Cycle for Drilling; G80 to G89 (MITSUBISHI CNC special format)...........................364
13.6.1 Initial Point and R Point Level Return; G98, G99.........................................................383
13.6.2 Setting of Workpiece Coordinates in Fixed Cycle Mode..............................................384
13.7 Subprogram Control; M98, M99, M198..............................................................................385
13.7.1 Calling Subprogram with M98 and M99 Commands....................................................385
13.7.2 Calling Subprogram with M198 Commands.................................................................390
13.8 Variable Commands...........................................................................................................391
13.9 User Macro.........................................................................................................................396
13.9.1 User Macro Commands; G65, G66, G66.1, G67.........................................................396
13.9.2 Macro Call Instruction...................................................................................................397
13.9.3 ASCII Code Macro .......................................................................................................405
13.9.4 Variables ......................................................................................................................410
13.9.5 Types of Variables........................................................................................................412
13.9.6 Operation Commands..................................................................................................450
13.9.7 Control Commands ......................................................................................................456
13.9.8 External Output Commands.........................................................................................459
13.9.9 Precautions ..................................................................................................................461
13.10 Mirror Image for Facing Tool Posts..................................................................................463
13.11 Corner Chamfering/Corner Rounding I.............................................................................473
13.11.1 Corner Chamfering ",C_" (or "I_", "K_", "C_") ...........................................................473
13.11.2 Corner Rounding ",R_" (or "R_")................................................................................475
13.11.3 Corner Chamfering/Corner Rounding Expansion.......................................................477
13.11.4 Interrupt during Corner Chamfering/Corner Rounding...............................................479
13.12 Corner Chamfering/Corner Rounding II............................................................................481
13.12.1 Corner Chamfering ",C_" (or "I_", "K_", "C_") ...........................................................481
13.12.2 Corner Rounding ",R_" (or "R_")................................................................................484
13.12.3 Corner Chamfering/Corner Rounding Expansion.......................................................485
13.12.4 Interrupt during Corner Chamfering/Corner Rounding...............................................485
13.13 Linear Angle Command....................................................................................................486
13.14 Geometric.........................................................................................................................487
13.14.1 Geometric I.................................................................................................................487
13.14.2 Geometric IB ..............................................................................................................490
13.15 Parameter Input by Program; G10, G11...........................................................................504
13.16 Macro Interruption ............................................................................................................506
13.17 Tool Change Position Return; G30.1 to G30.5.................................................................514
13.18 Balance Cut; G15, G14 ....................................................................................................517
13.19 Synchronizing Operation between Part Systems.............................................................521
13.19.1 Synchronization Standby Code (! code).....................................................................521
13.19.2 Start Point Designation Synchronizing (Type 1); G115..............................................524
13.19.3 Start Point Designation Synchronization (Type 2); G116...........................................526
13.19.4 Synchronization Function Using M Codes .................................................................528
13.20 2-part System Synchronous Thread Cutting Cycle ..........................................................531
13.20.1 Parameter Setting Command.....................................................................................531
13.20.2 2-part System Synchronous Thread Cutting Cycle I; G76.1 ......................................532
13.20.3 2-part System Synchronous Thread Cutting Cycle II; G76.2 .....................................535
13.21 2-part System Simultaneous Thread-cutting Cycle (MELDAS special format).................539
14. Coordinate System Setting Functions..................................................................................541
14.1 Coordinate Words and Control Axes..................................................................................541
14.2 Basic Machine, Workpiece and Local Coordinate Systems...............................................542
14.3 Machine Zero Point and 2nd Reference Position (Zero point) ...........................................543
14.4 Automatic Coordinate System Setting................................................................................544
14.5 Basic Machine Coordinate System Selection; G53............................................................545
14.6 Coordinate System Setting; G92........................................................................................546
14.7 Reference Position (Zero point) Return; G28, G29............................................................547
14.8 2nd, 3rd, and 4th Reference Position (Zero point) Return; G30.........................................551
14.9 Reference Position Collation; G27 .....................................................................................554
14.10 Workpiece Coordinate System Setting and Offset; G54 to G59 (G54.1)..........................555
14.11 Local Coordinate System Setting; G52 ............................................................................561
14.12 Workpiece Coordinate System Preset; G92.1..................................................................562
14.13 Coordinate System for Rotary Axis ..................................................................................567
15. Protection Function................................................................................................................570
15.1 Chuck Barrier/Tailstock Barrier; G22, G23.........................................................................570
15.2 Stored Stroke Limit.............................................................................................................575
16. Measurement Support Functions..........................................................................................577
16.1 Automatic Tool Length Measurement; G37........................................................................577
16.2 Skip Function; G31.............................................................................................................581
16.3 Multiple-step Skip Function; G31.n, G04............................................................................587
16.4 Multiple-step Skip Function 2; G31.....................................................................................589
16.5 Speed Change Skip............................................................................................................592
16.6 Programmable Current Limitation.......................................................................................595
Appendix 1. Parameter Input by Program N No. Correspondence Table...............................596
Appendix 2. Program Error.........................................................................................................599
INDEX............................................................................................................................................. X-1

1. Control Axes

p
r
r
1. Control Axes

1.1 Coordinate Words and Control Axes

Function and purpose
In the case of a lathe, the axis parallel to the spindle is known as the Z axis and its forward direct ion is the direction in which the turret moves away from the spindle stock while the axis at right angles to the Z axis is the X axis and its forward direction is the direction in which it moves away from the Z axis, as shown in the figure below.
1.1 Coordinate Words and Control Axes
indle stock
S
+Y
Tailstock
Tool
Tu
et
+Z
+X
Coordinate axes and polarities
Since coordinates based on the right hand rule are used with a lathe, the forward directio n of the Y axis in the above figure which is at right angles to the X-Z plane is downward. It should be borne in mind that an arc on the X-Z plane is expressed as clockwise or counterclockwi se as seen from the forward direction of the Y axis. (Refer to the section on circular interpolation.)
Spindle nose
Machine zero point
G54
G55
G58
G52
Workpiece zero points (G54 to G59)
G59
Local coordinate system (Valid in G54 to G59)
G30
2nd reference position
+Z
G28
+X
Reference position
(+Y)
Relationship between coordinates
1
1. Control Axes

1.2 Coordinate Systems and Coordinate Zero Point Symbols

1.2 Coordinate Systems and Coordinate Zero Point Symbols
Function and purpose
: Reference position
: Machine coordinate origin
: Workpiece coordinate zero points (G54 to G59)
Upon completion of the reference position return, the parameters are referred to and automatically set for the basic machine coordinate system and workpiece coordinate systems (G54 to G59). The basic machine coordinate system is set so that the first reference position is at the position designated by the parameter from the basic machine coordinate zero point (machine zero point).
Basic machine coordinate system
Hypothetical machine coordinate system (shifted by G92)
Machine zero point
Z2
X
2
+X
Workpiece coordinate system 1 (G54)
Workpiece coordinate system 2 (G55)
+Z
Workpiece coordinate system 5 (G58)
Workpiece coordinate system6 (G59) Z
3
X
Z
3
Local coordinate system
X1
(G52)
1
1st reference position
The local coordinate system (G52) is valid on the co ordinate systems designated by the commands for the workpiece coordinate systems 1 to 6. Using the G92 command, the basic machine coordinate system can be shifted and made the hypothetical machine coordinate system. At the same time, workpiece coordinate systems 1 to 6 are also shifted.
2

2. Least Command Increments

2. Least Command Increments

2.1 Input Setting Units

Function and purpose
The input setting units are, as with the compensation amounts, the units of setting data used in common for all axes. The command units are the movement amounts in the program which are commanded with MDI inputs or command tape. These are expressed with mm, inch or degree (°) units.
With the parameters, the command units are decided for each axis, and the input setting units are decided commonly for all axes.
#1003 iunit = B
Input setting unit
Command unit
(Note 1) Inch/metric changeover is performed in either of 2 ways: conversion from the parameter
screen (#1041 I_inch: valid only when the power is turned ON) and conversion using the G command (G20 or G21).
However, when a G command is used for the conversion, the conversion applies only to
the input command increments and not to the input setting units.
Consequently, the tool offset amounts and other compensation amounts as well as the
variable data should be preset to correspond to inches or millimeters.
= C = D = E #1015 cunit = 0 Follow #1003 iunit = 1 = 10 = 100 = 1000 = 10000
Parameters
2.1 Input Setting Units
Linear axis
Millimeter Inch
0.001 0.0001 0.001
0.0001 0.00001 0.0001
0.00001 0.000001 0.00001
0.000001 0.0000001 0.000001
0.0001 0.00001 0.0001
0.001 0.0001 0.001
0.01 0.001 0.01
0.1 0.01 0.1
1.0 0.1 1.0
Rotation axis
(°)
(Note 2) The millimeter and inch systems cannot be used together. (Note 3) During circular interpolation on an axis where the input command increments are different,
the center command (I, J, K) and the radius command (R) can be designated by the input setting units. (Use a decimal point to avoid confusion.)
3
2. Least Command Increments
2.1 Input Setting Units
Data
Speed data Example: rapid
Position data Example: SoftLimit+
Interpolation unit data
Detailed description
(1) Units of various data
These input setting units determine the parameter setting unit, program comman d unit and the external interface unit for the PLC axis and handle pulse, etc. The followin g rules show how the unit of each data changes when the input setting unit is changed. This table applies to the NC axis and PLC axis.
Unit
system
metre Inch
metre Inch
metre Inch
(2) Program command
The program command unit follows the above table. If the data has a decimal point, the number of digits in the integer section will remain and the number of digits in the decimal point section will increase as the input setting unit becomes smaller. When setting data with no decimal point, and which is a position command, the data will be affected by the input setting increment and input command increment. For the feed rate, as the input setting unit becomes smaller, the number of digits in the integer section will remain the same, but the number of digits in the decimal point section will increase.
Setting value
20000 (mm/min) 20000 20000 20000 20000Milli-
Setting range 1 to 999999 1 to 999999 1 to 999999 1 to 999999
2000 (inch/min) 20000 20000 20000 20000
Setting range 1 to 999999 1 to 999999 1 to 999999 1 to 999999
123.123 (mm) 123.123 123.1230 123.12300 123.123000Milli­Setting range ±99999.999 ±99999.9999 ±99999.99999 ±99999.999999
12.1234 (inch) 12.1234 12.12340 12.123400 12.1234000 Setting range ±9999.9999 ±9999.99999 ±9999.999999 ±9999.9999999
1 (µm) 2 20 200 2000Milli-
Setting range ±9999 ±9999 ±9999 ±9999
0.0001 (inch) 2 20 200 2000
Setting range ±9999 ±9999 ±9999 ±9999
Input setting unit
1µm (B) 0.1µm (C) 10nm (D) 1nm (E)
4
2. Least Command Increments

2.2 Indexing Increment

Function and purpose
This function limits the command value for the rotary axis. This can be used for indexing the rotary table, etc. It is possible to cause a program error with a program command other than an indexing increment (parameter setting value).
Detailed description
When the indexing increment (parameter) for limiting the command value is set, the rotary axis can be positioned with that indexing increment. If a program other than the indexing increment setting value is commanded, a program error (P20) will occur. The indexing position will not be checked when the parameter is set to 0.
(Example) When the indexing increment setting value is 2 degrees, only command with the
2-degree increment are possible.
G90 G01 C102. 000 ; … Moves to the 102 degree angle. G90 G01 C101. 000 : … Program error G90 G01 C102 ; … Moves to the 102 degree angle. (Decimal point type II)
The following axis specification parameters are used.
# Item Contents
2106 Index unit Indexing
Precautions
• When the indexing increment is set, degree increment positioning takes place.
• The indexing position is checked with the rotary axis, and is not checked with other axes.
• When the indexing increment is set to 2 degrees, the rotary axis is set to the B axis, and the B axis
is moved with JOG to the 1.234 position, an indexing error will occur if "G90B5." or "G91B5." is commanded.
increment
2.2 Indexing Increment
Set the indexing increment to which the rotary axis can be positioned.
Setting range
(unit)
0 to 360 (° )
5

3. Data Formats

3. Data Formats

3.1 Tape Codes

Function and purpose
The tape command codes used for this controller are combinations of alphabet letters (A, B, C, ... Z), numbers (0, 1, 2, ... 9) and signs (+, -, /, ...). These alphabet letters, numbers and signs are referred to as characters. Each character is represented by a combination of 8 holes which may, or may not, be present. These combinations make up what is called codes. This controller uses the ISO code (R-840).
(Note 1) If a code not given in the "Table of tape codes" is assigned during operation, a program
(Note 2) For the sake of convenience, a " ; " has been used in the CNC display to indi cate the End
CAUTION
" ; " "EOB" and " % " "EOR" are explanatory notations. The actual code is "Line feed" and "%".
(ISO code (R-840)
3.1 Tape Codes
error (P32) will result.
of Block (EOB/LF) which separates one block from another. Do not use the " ; " key, however, in actual programming but use the keys in the following table instead.
Detailed description
(1) Use the keys in the following table for programming.
EOB/EOR keys and displays
Key used
End of Block LF or NL ; End of Record % %
(2) Significant data section (label skip function)
All data up to the first EOB ( ; ), after the power has been turned ON or after operation has been reset, are ignored during automatic operation based on tape, memory loading operation or during a search operation. In other words, the significant data section of a tape extends from the character or number code after the initial EOB ( ; ) code after resetting to the point where the reset command is issued.
Code used
ISO Screen display
6
3. Data Formats
G
R
•
•••••••
•••
•
•
•
•••••••••
•••••••
•
•
•••••••••••••••••••
•
•
•••••••••••••••
•
•••••••••
(3) Control out, control in
When the ISO code is used, all data between control out "(" and control in ")" (or ";") are ignored, although these data appear on the setting and display unit. Consequently, the command tape name, No. and other such data not directly related to control can be inserted in this section. This information (except (B) in the "Table of tape codes") will also be loaded, ho wever, during tape loading. The system is set to the "control in" mode when the power is turned ON.
Example of ISO code
3.1 Tape Codes
•
••
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
•
• •••
••
• •••
••
•
• • •• •
Operator information print-out example
L C S L
00X-85000Y-64000 (CUTTE
F R
• ••
•• •• •
••
••
•
Information in this section is ignored and nothing is executed.
RE T URN)
P
• • •
•• •
••• • ••
•••
•
•••••
•• • • •
F
••
•••••
•
•
(4) EOR (%) code
Generally, the End of Record code is punched at both ends of the tape. It has the following functions: (a) Rewind stop when rewinding tape (with tape rewinder) (b) Rewind start during tape search (with tape rewinder) (c) Completion of loading during tape loading into memory
(5) Tape preparation for tape operation (with tape rewinder)
……… ……… …………..
Initial block
Last block
10cm
%;;;;
2m
2m
10cm
%
If a tape rewinder is not used, there is no need for the 2-mete r dummy at both ends of the tape and for the head EOR (%) code.
7
3. Data Formats
•
X
Y
/
(
(
)
)
(
)
[
]
)
)
@
)
)
3.1 Tape Codes
ISO code (R-840)
Feed holes
8 7 6 5 4 3 2 1 Channel No.
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Under the ISO code, LF or NL is EOB and % is EOR.
1 2 3 4 5 6 7 8 9 0 A B C D E F G H I J K L M N O P Q R S T U V W
Z +
­. ,
% LF(Line Feed) or NL
Control Out
Control In : # * =
! $ SP(Space CR(Carriage Return) BS(Back Space) HT(Horizontal Tab) & ’(Apostrophe ; < > ?
” DEL (Delete NULL DEL (Delete
(A)
(B)
The (A) codes are stored on tape but an error results (except when they are used in the comment section) during operation. The (B) codes are non-working codes and are always ignored. (Parity V check is not executed.)
Table of tape codes
8
3. Data Formats
A

3.2 Program Formats

Function and purpose
The prescribed arrangement used when assigning control informati on to the controller is know n as the program format, and the format used with this controller is called the "word address format".
Detailed description
(1) Word and address
A word is a collection of characters arranged in a specific sequence. This entity is used as the unit for processing data and for causing the machine to execute specific operations. Each word used for this controller consists of an alphabet letter and a number of several digits. (A + or ­sign may be attached to the head of a number.)
3.2 Program Formats
Word
*
Numerals
lphabet (address)
Word configuration
The alphabet letter at the head of the word is the address. It defines the meaning of the numerical information which follows it. For details of the types of words and the number of significant digits of words used for this controller, refer to "Format details".
(2) Blocks
A block is a collection of words. It includes the information which is required for the machin e to execute specific operations. One block unit constitutes a complete command. The end of each block is marked with an EOB (End of Block) code.
(3) Programs
A program is a collection of several blocks.
9
3. Data Formats
<Format detail abbreviations>
Program No. 08 Sequence No. N6 Preparatory function G3/G21
0.001(°) mm/
0.0001 inch
0.0001(°) mm/ Movement axis
Arc and cutter radius
Dwell 0.001(sec.) X+53/P+8
Feed function
Tool offset Miscellaneous function (M) Spindle function (S) Tool function (T) 2nd miscellaneous function A8/B8/C8 Subprogram
Fixed cycle
0.00001 inch
0.00001(°) mm/
0.000001 inch
0.000001(°) mm/
0.0000001 inch
0.001(°) mm/
0.0001 inch
0.0001(°) mm/
0.00001 inch
0.00001(°) mm/
0.000001 inch
0.000001(°) mm/
0.0000001 inch
0.001(°) mm/
0.0001 inch
0.0001(°) mm/
0.00001 inch
0.00001(°) mm/
0.000001 inch
0.000001(°) mm/
0.0000001 inch
0.001(°) mm/
0.0001 inch
0.0001(°) mm/
0.00001 inch
0.00001(°) mm/
0.000001 inch
0.000001(°) mm/
0.0000001 inch
Metric command Inch command
X+53 Z+53 α+53 X+44 Z+44 α+44 X+53 Z+53 α+53 X+53 Z+53 α+53
X+54 Z+54 α+54 X+45 Z+45 α+45 X+54 Z+54 α+54 X+54 Z+54 α+54
X+55 Z+55 α+55 X+46 Z+46 α+46 X+55 Z+55 α+55 X+55 Z+55 α+55
X+56 Z+56 α+56 X+47 Z+47 α+47 X+56 Z+56 α+56 X+56 Z+56 α+56
I+53 K+53 R+53 I+44 K+44 R+44 I+53 K+53 R+53
I+54 K+54 R+54 I+45 K+45 R+45 I+54 K+54 R+54
I+55 K+55 R+55 I+46 K+46 R+46 I+55 K+55 R+55
I+56 K+56 R+56 I+47 K+47 R+47 I+56 K+56 R+56
F62(Feed per minute)
F44(Feed per revolution)
F63(Feed per minute)
F45(Feed per revolution)
F64(Feed per minute)
F46(Feed per revolution)
F65(Feed per minute)
F47(Feed per revolution)
T1/T2
M8 S8
T8
P8 H5 L4
R+53 Q53 P8 L4
R+54 Q54 P8 L4
R+55 Q55 P8 L4
R+56 Q56 P8 L4
← ← ← ← ← ← ← ← ←
← ← ←
F53(Feed per minute)
F26(Feed per revolution)
F54(Feed per minute)
F27(Feed per revolution)
F55(Feed per minute)
F28(Feed per revolution)
F56(Feed per minute)
F29(Feed per revolution)
← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
3.2 Program Formats
Rotary axis
(Metric command)
F63(Feed per minute)
F43(Feed per revolution)
F64(Feed per minute)
F44(Feed per revolution)
F65(Feed per minute)
F45(Feed per revolution)
F66(Feed per minute)
F46(Feed per revolution)
Rotary axis
(Inch command)
I+44 K+44 R+44
(Note 5)
I+45 K+45 R+45
(Note 5)
I+46 K+46 R+46
(Note 5)
I+47 K+47 R+47
(Note 5)
F44(Feed per minute)
F34(Feed per revolution)
(Note 6)
F55(Feed per minute)
F35(Feed per revolution)
(Note 6)
F56(Feed per minute)
F36(Feed per revolution)
(Note 6)
F57(Feed per minute)
F37(Feed per revolution)
(Note 6)
(Note 1) α indicates the additional axis address, such as A, B or C. (Note 2) The number of digits check for a word is carried out with the maximum number of digits of that
address.
(Note 3) Numerals can be used without the leading zeros.
10
3. Data Formats
3.2 Program Formats
(Note 4) The meanings of the details are as follows :
Example 1 : 08 : 8-digit program No. Example 2 : G21 : Dimension G is 2 digits to the left of the decimal point, and 1 digit to the right. Example 3 : X+53 : Dimension X uses + or - sign and represents 5 digits to the left of the
decimal point and 3 digits to the right. For example, the case for when the X axis is positioned (G00) to the 45.123 mm position in the absolute value (G90) mode is as follows :
X45.123 ;
G00
3 digits below the decimal point 5 digits above the decimal point, so it's +00045, but the leading zeros and the mark (+) have been omitted. G0 is possible, too.
(Note 5) If an arc is commanded using a rotary axis and linear axis while inch commands are being used,
the degrees will be converted into 0.1 inches for interpolation.
(Note 6) While inch commands are being used, the rotary axis speed will be in increm ents of 10 degrees.
Example : With the F1. (Feed per minute) command, this will become the 10 degrees/minute
command.
(Note 7) The decimal places below the decimal point are ignored when a command, such as an S
command, with an invalid decimal point has been assigned with a decimal poi nt.
(Note 8) This format is the same for the value input from the memory, MDI or setting and display unit. (Note 9) Command the program No. in an independent block. Command the program NO. in the head
block of the program.
11
3. Data Formats

3.3 Tape Memory Format

Function and purpose
(1) Storage tape and significant sections (ISO, EIA automatic judgment)
Both ISO and EIA tape codes can be stored in the memory in the same way as tape ope ration. After resetting, ISO/EIA is automatically judged by the EOB code at the head. The interval to be stored in the memory is from the next character after the head EOB to the EOR code after resetting. The significant codes listed in the "Table of tape code" in Section 3.1 "Tape codes", in the above significant section are actually stored into the memory. All other codes are ignored and are not stored. The data between control out "(" and control in ")" are stored into the memory.

3.4 Optional Block Skip

3.4.1 Optional Block Skip; /

3.3 Tape Memory Format
Function and purpose
This function selectively ignores specific blocks in a machining program which starts with the "/" (slash) code.
Detailed description
(1) Provided that the optional block skip switch is ON, blocks starting with the "/" code are ignored.
They are executed if the switch is OFF. Parity check is valid regardless of whether the optional block skip switch is ON or OFF. When, for instance, all blocks are to be executed for one workpiece but specific block are not to be executed for another workpiece, the same comman d tape can be used to machine diffe rent parts by inserting the "/" code at the head of those specific blocks.
Precautions for using optional block skip
(1) Put the "/" code for optional block skip at the beginning of a block. If it is placed inside the block,
it is assumed as a user macro, a division instruction.
(Example) N20 G1 X25. /Z25. ; ..........NG (User macro, a division instruction;
/N20 G1 X25. Z25. ; ..........OK
(2) Parity checks (H and V) are conducted regardless of the optional block skip switch position. (3) The optional block skip is processed immediately before the pre-read buffer.
Consequently, it is not possible to skip up to the block which has been read into the pre-read
buffer. (4) This function is valid even during a sequence No. search. (5) All blocks with the "/" code are also input and output during tape storing and tape output,
regardless of the position of the optional block skip switch.
a program error results.)
12
3. Data Formats

3.4.2 Optional Block Skip Addition ; /n

3.4 Optional Block Skip
Function and purpose
Whether the block with "/n (n:1 to 9)" (slash) is executed du ring automatic operation an d searching is selected. By using the machining program with "/n" code, different parts can be machined by the same program.
Detailed description
The block with "/n" (slash) code is skipped when the "/n" is programmed to the head of the block and the optional block skip signal is turned ON. For the block with the "/n" code inside the block (not the head of block), the program is operated according to the value of the parameter "#1226 aux10/bit1" setting. When the optional block skip signal is OFF, the block with "/n" is executed.
Example of program
(1) When the 2 parts like the figure below are machined, the following program is used. When the
optional block skip 5 signal is ON, the part 1 is created. When the optional blo ck skip 5 signal is
OFF, the part 2 is created.
<Program>
N1 G54;
N2 G90G81X50. Z-20. R3. F100;
/5 N3 X30.;
N4 X10.;
N5 G80;
M02;
Part 1 the optional block skip 5 signal ON
Part 2 the optional block skip 5 signal OFF
N4 N2 N2 N3
13
N4
3. Data Formats
3.4 Optional Block Skip
(2) When two or more "/n" codes are commanded to the head of the same block, the block is
ignored if either of the optional block skip signal corresponding to the command i s ON.
<Program>
N01 G90 Z3. M03 S1000; /1/2 N02 G00 X50.; /1/2 N03 G01 Z-20. F100; /1/2 N04 G00 Z3.; /1 /3 N05 G00 X30.; /1 /3 N06 G01 Z-20. F100; /1 /3 N07 G00 Z3.; /2/3 N08 G00 X10.; /2/3 N09 G01 Z-20. F100; /2/3 N10 G00 Z3.; N11 G28 X0 M05;
(a) Optional block skip 1 signal ON
(Optional block skip 2, 3 signals OFF)
N01 -> N08 -> N09 -> N10 -> N11 -> N12 (b) Optional block skip 2 signal ON
(Optional block skip 1, 3 signals OFF)
N01 -> N05 -> N06 -> N07 -> N11 -> N12 (c) Optional block skip 3 signal ON
(Optional block skip 1, 2 signals OFF)
N01 -> N02 -> N03 -> N04 -> N11 -> N12
N12 M02;
(3) When the parameter "#1226 aux10/bit1" is "1", when two or more "/n" are commanded inside
the same block, the commands following "/n" in the block are ignored if either of the optional block skip signal corresponding to the command is ON.
N01 G91 G28 X0.Y0.Z0.; N02 G01 F1000; N03 X1. /1 Y1. /2 Z1.; N04 M30;
(a) When the optional block skip 1 signal is ON
and the optional block skip 2 signal is OFF, "Y1. Z1." is ignored
(b) When the optional block skip 1 signal is
OFF and the optional block skip 2 signal is ON, "Z1." is ignored.
14
3. Data Formats

3.5 Program/Sequence/Block Nos.; O, N

Function and purpose
These Nos. are used for monitoring the execution of the machining programs and for calling both machining programs and specific stages in machining programs.
(1) Program Nos. are classified by workpiece correspondence or by subprogram units, and they
are designated by the address "O" followed by a number with up to 8 digits.
(2) Sequence Nos. are attached where appropriate to command blocks which configure ma chining
programs, and they are designated by the address "N" followed by a number with up to 6 digits.
(3) Block Nos. are automatically provided internally. They are preset to zero every time a program
No. or sequence No. is read, and they are counted up one at a time unless program Nos. or
sequence Nos. are commanded in blocks which are subsequently read. Consequently, all the blocks of the machining programs given in the table below can be determined without further consideration by combinations of program Nos., sequence Nos. an d block Nos.
3.5 Program/Sequence/Block Nos.; O, N
Machining program
Program No. Sequence No. Block No.
O12345678 (DEMO, PROG) ; 12345678 0 0 N100 G00 G90 X120. Z100. ; 12345678 100 0 G94 S1000 ; 12345678 100 1 N102 G71 P210 Q220 I0.2 K0.2 D0.5 F600 ; 12345678 102 0 N200 G94 S1200 F300 ; 12345678 200 0 N210 G01 X0 Z95. ; 12345678 210 0 G01 X20. ; 12345678 210 1 G03 X50. Z80. K–15. ; 12345678 210 2 G01 Z55. ; 12345678 210 3 G02 X80. Z40. I15. ; 12345678 210 4 G01 X100. ; 12345678 210 5 G01 Z30. ; 12345678 210 6 G02 Z10. K–15. ; 12345678 210 7 N220 G01 Z0 ; 12345678 220 0 N230 G00 X120. Z150. ; 12345678 230 0 N240 M02 ; 12345678 240 0 % 12345678 240 0
Monitor display
15
3. Data Formats
• • •• •
•
• •• •• ••• • • •• •
• • • • • • •
•• • •• • • •
•••••••
•
•
•••••••••••••••
•
•••••••••••••
•
•••••
•••••
•

3.6 Parity H/V

Function and purpose
Parity check provides a mean of checking whether the tape has been correctly perforated or not. This involves checking for perforated code errors or, in other words, for perforation errors. There are two types of parity check: Parity H and Parity V.
(1) Parity H
3.6 Parity H/V
Parity H checks the number of holes configuring a character and it is done during tape operation, tape input and sequence No. search. A parity H error is caused in the following cases.
(a) ISO code
When a code with an odd number of holes in a significant data secti on has been detected.
(b) EIA code
When a code with an even number of holes in a significant data section has been detected.
(Example 1) Parity H error example (For ISO codes)
• • •• • •
• • •• • • •••
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
• •• •
••
•• •
• • • •
• •
(2) Parity V
••••
••
When a parity H error occurs, the tape stops following the alarm code.
A parity V check is done during tape operation, tape input and sequence No. search when the I/O PARA #9n15 (n is the unit No.1 to 5) parity V check function is set to "1". It is not done during memory mode. A parity V error occurs in the following case: when the number of codes from the first significant code to the EOB (;) in the significant data section in the vertical direction of the tape is an odd number, that is, when the number of characters in one block is odd. When a parity V error is detected, the tape stops at the code following the EOB (;).
(Note 1) Among the tape codes, there are codes which are counted as characters for parity
and codes which are not counted as such. For details, refer to the "Table of tape code" in Section 3.1 "Tape codes".
(Note 2) Any space codes which may appear within the section from the initial EOB code to the
address code or "/" code are counted for parity V check.
•••
•••
•• ••••
••
••••
This character causes a parity H error.
• •
• •
••••
•••
•••
•
16
3. Data Formats

3.7 G Code Lists

Function and purpose
G codes include the six G code lists 2, 3, 4, 5, 6 and 7. One list is selected by setting in parameter "#1037 cmdtyp".
cmdtyp G code list
3 List 2 4 List 3 5 List 4 6 List 5 7 List 6 8 List 7
G functions are explained using the G code list 3.
(Note 1) A program error (P34) will result if a G code that is not in the Table of G code lists is
(Note 2) An alarm will result if a G code without additional specifications is comman ded.
commanded.
3.7 G Code Lists
Table of G code lists
G code list
2 3 4 5 6 7
ΔG00 ΔG00 ΔG00 ΔG00 ΔG00 ΔG00 ΔG01 ΔG01 ΔG01 ΔG01 ΔG01 ΔG01
G02 G02 G02 G02 G02 G02 01
G03 G03 G03 G03 G03 G03 01
G02.3 G02.3 G02.3 G02.3 G02.3 G02.3 01 G03.3 G03.3 G03.3 G03.3 G03.3 G03.3 01
G04 G04 G04 G04 G04 G04 00
G09 G09 G09 G09 G09 G09 00
G10 G10 G10 G10 G10 G10 00
G11 G11 G11 G11 G11 G11 00
G12.1 G12.1 G12.1 G12.1 19
*G13.1 *G13.1 *G13.1 *G13.1 19
*G14 *G14 *G14 *G14 18
G15 G15 G15 G15 18
G07.1
G107
G12.1
G112
G13.1
G113
G07.1
G12.1
G13.1
Group Function Section
01 01
G107
G112
G113
19
19
19
Positioning 6.1 Linear interpolation 6.2
Circular interpolation CW / Helical interpolation CW
Circular interpolation CCW / Helical interpolation CCW
6.3
6.4
6.7
6.3
6.4
6.7 Exponential interpolation CW 6.11 Exponential interpolation CCW 6.11 Dwell 8.1
Cylindrical interpolation 6.9
Exact stop check 7.10 Parameter/Compensation data input by
program/ Tool life management data registration
Program parameter input / Tool life management data registration mode cancel
12.5
13.15
12.5
13.15 Polar coordinate interpolation ON 6.10 Polar coordinate interpolation cancel 6.10
Milling interpolation ON 6.8 Milling interpolation cancel 6.8
• Balance cut OFF
• Balance cut ON
13.18
13.18
17
3. Data Formats
3.7 G Code Lists
G code list
2 3 4 5 6 7
G16 G16 G16 G16 02
ΔG17 ΔG17 ΔG17 ΔG17 ΔG17 ΔG17 ΔG18 ΔG18 ΔG18 ΔG18 ΔG18 ΔG18 ΔG19 ΔG19 ΔG19 ΔG19 ΔG19 ΔG19 ΔG20 ΔG20 ΔG20 ΔG20 ΔG20 ΔG20 ΔG21 ΔG21 ΔG21 ΔG21 ΔG21 ΔG21
G22 G22 G22 G22 04
*G23 *G23 *G23 *G23 04
G22 G22 00 G23 G23 00
G27 G27 G27 G27 G27 G27 00 G28 G28 G28 G28 G28 G28 00 G29 G29 G29 G29 G29 G29 00 G30 G30 G30 G30 G30 G30 00
G30.1 G30.1 G30.1 G30.1 G30.1 G30.1 G30.2 G30.2 G30.2 G30.2 00 G30.3 G30.3 G30.3 G30.3 00 G30.4 G30.4 G30.4 G30.4 00 G30.5 G30.5 G30.5 G30.5 00
G31 G31 G31 G31 G31 G31 00
G31.1 G31.1 G31.1 G31.1 G31.1 G31.1 G31.2 G31.2 G31.2 G31.2 G31.2 G31.2 G31.3 G31.3 G31.3 G31.3 G31.3 G31.3
G32 G33 G32 G33 G32 G33 01 G34 G34 G34 G34 G34 G34 01
G35 G35 G35 G35 G35 G35 01 G36 G36 G36 G36 G36 G36 01
G36/G37
G37 G37 G36/G37 G36/G37
*G40 *G40 *G40 *G40 *G40 *G40 07
G41 G41 G41 G41 G41 G41 07 G42 G42 G42 G42 G42 G42 07
G46 G46 G46 G46 G46 G46 07
G37.1 G37.2
G36/G37
Group Function Section
02 02 02 06 06
00
00 00 00
G37.1 G37.2
00
Milling interpolation plane selection Y-Z cylindrical plane
6.8.3
Plane selection X-Y 6.5 Plane selection Z-X 6.5 Plane selection Y-Z 6.5 Inch command 5.3 Metric command 5.3 Barrier check ON 15.1 Barrier check OFF 15.1 Soft limit ON 15.2 Soft limit OFF 15.2
Reference position return check 14.9 Automatic reference position return 14.7 Return from reference position 14.7 2nd, 3rd and 4th reference position return 14.8 Tool change position return 1 13.17 Tool change position return 2 13.17 Tool change position return 3 13.17 Tool change position return 4 13.17 Tool change position return 5 13.17
Skip function/Multiple-step skip function 2 16.2
16.4 Multiple-step skip function 1-1 16.3 Multiple-step skip function 1-2 16.3 Multiple-step skip function 1-3 16.3 Thread cutting 6.6.1
6.6.2 Variable lead thread cutting 6.6.4 Circular thread cutting CW 6.6.5 Circular thread cutting CCW 6.6.5
Automatic tool length measurement 16.1
Tool nose R compensation cancel 12.4 Tool nose R compensation left 12.4 Tool nose R compensation right 12.4 Tool nose R compensation (direction
automatically selected) ON
12.4
18
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