HEIDENHAIN TNC 426 CB/PB/M, TNC 430 CA/PA/M NC-Software 280476/477 Technical Manual

July 2002 343 734-21 · 10 · 7/2002 · Bi · Printed in Germany · Subject to change without notice

(343 734-E7)

Technical Manual

TNC 426 CB/PB/M

TNC 430 CA/PA/M

NC Software 280 470-12

280 471-12

280 472-14

280 473-14

280 474-19

280 475-19

280 476-23

280 477-23

Foreword

This Technical Manual has been written for all machine tool manufacturers and

distributors. It contains all of the information necessary for the mounting,

electrical connection, commissioning and PLC programming of HEIDENHAIN

contouring controls.

Every time the hardware or software of HEIDENHAIN's contouring control is

updated, you will receive a set of supplementary pages free-of-charge. Always

sort these pages into your Technical Manual immediately. In this way, your

manual will always be up-to-date.

You can use extracts from this manual to supplement your machine

documentation. If you increase the size of the manual format (17 cm x 24 cm)

by the factor 1.225, you will have DIN A4 format.

No documentation is perfect. Documentation is alive. It thrives on your

comments and suggestions for improvement. Please help us by sending us

your ideas.

DR. JOHANNES HEIDENHAIN GmbH

E/P Department

Dr.-Johannes-Heidenhain-Str. 5

83301 Traunreut

July 2002 Update Information No. 7 1 – 1

1 Update Information No. 7

1.1 Releases

The following NC software was released:

nNC software 280 476-22 and 280 477-22 December 2001

nNC software 280 476-23 and 280 477-23 April 2002

1.2 NC Software 280 476-xx

NC Software Setup Disks Release

280 476-22 286 197-28 12/2001

Export version:

280 477-22 286 197-28 12/2001

Miscellaneous nIn the machining cycles 202 (BORING), 204 (BACK BORING) and 209

(TAPPING WITH CHIP BREAKING), you can also enter a negative value for

the spindle angle Q336.

nIf no measured value is saved during the probing process, the error

message No measured value saved <axis> appears.

NC software Setup disks Release

280 476-23 286 197-29 04/2002

Export version:

280 477-23 286 197-29 04/2002

Machine

Parameters

nMP1146.x is new:

When the control is switched off, the actual position of the axes is saved

with an absolute encoder. During switch-on it is compared with the position

values read by the encoder. If the positions differ by more than the

difference defined in MP1146.x, a pop-up window appears with both

positions. The new position must be confirmed with a soft key. If it is not

confirmed, the error message Check the position encoder <axis> appears.

Input: 0.0000 to 300.0000 [mm] or [°]

Machine

Integration

nPreviously, an incorrect setting of the axis configuration over the kinematic

table could be corrected only by a change of the path in OEM.SYS and a restart

of the control. To make this possible now also for the machine operator, the

new column DOC was introduced in the assignment table. In this column, the

machine tool builder can enter a comment on the kinematics. By entering

the code number KINEMATIC, the machine tool builder calls a selection

window with the entries of the column DOC. After a new kinematic

configuration is selected, the control resets.

PLC Programming nExtended ranges of the PLC operands

• Markers M0 to M7999 (M4000 to M5999 are reserved for NC/PLC)

• Bytes B0 to B5119, W5118, D5116 (bytes B128 to B2047 reserved for

NC/PLC)

nEmpty strings can be defined in the definition files for the PLC compiler.

Miscellaneous nThe maximum input value for the LBREAK column of the tool table was

increased from 0.9999 to 3.2767.

1 – 2 HEIDENHAIN Technical Manual TNC 426, TNC 430

1.3 Replacing Instructions

Page Change Remove

Page Insert

Page

Title New software December 2001 July 2002

Chapter 1 Update Information – Update Info. 7

Chapter 2 New software versions added 2-71 to 2-72 2-71 to 2-72

Chapter 3 Errors in assignments corrected 3–61 to 3–62,

3-79 to 3-80 3–61 to 3–62,

3-79 to 3-80

Chapter 4 MP1146.x added 4-19 to 4-20 4-19 to 4-20

Chapter 6 MP1146.x added

Code number KINEMATIC 6-157 to 6-160 6-157 to 6-160

Chapter 7 Extended ranges of the PLC operands

added 7-13 to 7-16 7-13 to 7-16

Chapter 11 Subject index updated Entire chapter Entire chapter

July 2002 2 – 1

2 Introduction

2.1 General Information ........................................................................ 2 – 3

2.2 Overview of Components............................................................... 2 – 5

2.3 Brief Description ............................................................................ 2 – 22

2.4 Hardware........................................................................................ 2 – 29

2.4.1 Designation of the Logic Unit ..................................................2 – 29

2.5 Software......................................................................................... 2 – 30

2.5.1 Designation of the Software ...................................................2 – 30

2.5.2 Software Option ......................................................................2 – 32

2.5.3 PLC Software ..........................................................................2 – 32

2.5.4 NC Software Exchange ...........................................................2 – 33

2.5.5 Data Backup ............................................................................ 2 – 40

2.6 Software Releases ......................................................................... 2 – 42

2.6.1 NC Software 280 470-xx and 280 471-xx ................................ 2 – 42

2.6.2 NC Software 280 472-xx and 280 473-xx ................................ 2 – 45

2.6.3 NC Software 280 474-xx and 280 475-xx ................................ 2 – 52

2.6.4 NC Software 280 476-xx and 280 477-xx ................................ 2 – 61

2 – 2 HEIDENHAIN Technical Manual TNC 426, TNC 430

July 2002 General Information 2 – 3

2 Introduction

2.1 General Information

HEIDENHAIN contouring controls are designed for use with milling, drilling

and boring machines as well as machining centers.

The TNC 426 PB/M, TNC 430 PA/M features integral digital drive control and

controls the power stages via PWM signals.

Integration of the drive controller in the TNC 426 PB/M, TNC 430 PA/M offers

the following advantages:

nAll the software is contained centrally in the NC; this means that the

individual components of the NC such as feed axes, spindle, NC or PLC are

optimally matched.

nHigh control quality, because the position controller, speed controller and

current controller are combined into one unit.

nThe same functions are available for commissioning, optimizing and

diagnosing feed drives as well as spindles.

With the TNC 426 PB, up to five axes and spindle speeds of up to

12 000 rpm can be controlled digitally (option: 30 000 rpm).

The TNC 430 PA supports up to 6 digitally controlled NC axes, 3 analog

controlled secondary axes, and digitally controlled spindle speeds up to

30 000 rpm.

2 – 4 HEIDENHAIN Technical Manual TNC 426, TNC 430

The TNC 426 M offers digital control for up to 5 axes and spindle speeds up

to 12 000 rpm (option: 30 000 rpm). The TNC 430 M offers digital control for

up to six or nine axes and spindle speeds up to 30 000 rpm.

The TNC 426 M, TNC 430 M is designed for connection of a compact or

modular inverter system. Thus, together with HEIDENHAIN motors, a

complete control package including servo drive can be offered (see Technical

Manual “Inverter Systems and Motors”).

The TNC 426 CB is the version of the TNC 426 that is equipped with analog

speed command interface and can control machines with up to five axes plus

spindle. The TNC 430 CA also has an analog speed command interface for

machines with up to eight axes plus spindle. A ninth axis can be controlled

with an additional PCB.

July 2002 Overview of Components 2 – 5

2.2 Overview of Components

LE 426 CB, LE 430 CA Logic Unit

Logic unit Signal inputs ID numbers of LE for

BC 120 display unit ID numbers of LE for

BF 120 display unit

LE 426 CB

5 position inputs

1 spindle position input 1 VPP (350 kHz)

1V

PP (350 kHz) 312 001-xx 313 524-xx

5 position inputs

1 spindle position input 1 VPP (50 kHz)

1V

PP (350 kHz) 326 415-xx 326 419-xx

5 position inputs

1 spindle position input 11 µAPP (50 kHz)

1 VPP (350 kHz) 312 002-xx 313 525-xx

LE 430 CA

8 position inputs

1 spindle position input 1 VPP (350 kHz)

1V

PP (350 kHz) 311 050-xx 313 523-xx

5 position inputs

3 position inputs

1 spindle position input

1 VPP (50 kHz)

1V

PP (350 kHz)

1V

PP (350 kHz)

326 418-xx 326 424-xx

2 – 6 HEIDENHAIN Technical Manual TNC 426, TNC 430

LE 426 PB, LE 430 PA Logic Unit

Logic unit Signal inputs ID numbers of LE for

BC 120 display unit ID numbers of LE for

BF 120 display unit

LE 426 PB

5 position inputs

1 spindle position input

6 speed inputs

1 VPP (350 kHz)

1V

PP (350 kHz)

1V

PP

Spindle

up to 12 000 rpm 312 000-xx 313 527-xx

Spindle

up to 30 000 rpm 315 475-xx 318 178-xx

5 position inputs

1 spindle position input

6 speed inputs

1 VPP (50 kHz)

1V

PP (350 kHz)

1V

PP

Spindle

up to 12 000 rpm 326 414-xx 326 421-xx

Spindle

up to 30 000 rpm 326 416-xx 326 420-xx

5 position inputs

1 spindle position input

6 speed inputs

11 µAPP (50 kHz)

1V

PP (350 kHz)

1V

PP

Spindle

up to 12 000 rpm 311 999-xx 313 526-xx

Spindle

up to 30 000 rpm 317 349-xx 318 177-xx

July 2002 Overview of Components 2 – 7

LE 430 PA

5 position inputs

1 spindle position input

7 speed inputs

1 VPP (350 kHz)

1V

PP (350 kHz)

1V

PP

311 049-xx 313 521-xx

5 position inputs

1 spindle position input

7 speed inputs

1 VPP (50 kHz)

1V

PP (350 kHz)

1V

PP

326 417-xx 325 716-xx

Logic unit Signal inputs ID numbers of LE for

BC 120 display unit ID numbers of LE for

BF 120 display unit

2 – 8 HEIDENHAIN Technical Manual TNC 426, TNC 430

LE 426 M, LE 430 M Logic Unit

Logic unit Signal inputs ID numbers of LE for

BC 120 display unit ID numbers of LE for

BF 120 display unit

LE 426 M with EPROMs

6 position inputs

6 speed inputs

11 µAPP/1 VPP

(2 EnDats)

1 VPP (2 EnDats)

Spindle

up to 12 000 rpm 324 990-xx 324 991-xx

Spindle

up to 30 000 rpm 324 994-xx 324 995-xx

LE 430 M with EPROMs

6 position inputs

7 speed inputs

11 µAPP/1 VPP

(2 EnDats)

1 VPP (2 EnDats)

324 992-xx 324 993-xx

10 position inputs

10 speed inputs

11 µAPP/1 VPP

(6 EnDats)

1 VPP (10 EnDats)

324 996-xx 324 997-xx

Note

A BC 120 can also be attached to the LE for the BF 120 at the same time.

July 2002 Overview of Components 2 – 9

Logic unit Signal inputs ID numbers of LE for

BC 120 display unit ID numbers of LE for

BF 120 display unit

LE 426 M with flash EPROMs

6 position inputs

6 speed inputs

11 µAPP /1 VPP

(6 EnDats)

1 VPP/EnDat

Spindle

up to 12 000 rpm 344 958-xx 344 959-xx

Spindle

up to 30 000 rpm 344 962-xx 344 963-xx

LE 430 M with flash EPROMs

6 position inputs

7 speed inputs

11 µAPP /1 VPP

(6 EnDats)

1 VPP/EnDat

344 960-xx 344 961-xx

10 position inputs

10 speed inputs

11 µAPP /1 VPP

(6 EnDats)

1 VPP/EnDat

344 964-xx 344 965-xx

Note

A BC 120 can also be attached to the LE for the BF 120 at the same time.

2 – 10 HEIDENHAIN Technical Manual TNC 426, TNC 430

TE 420 Operating Panel

The IV and V keys are snap-ons, and can be

switched.

Id. Nr. 313 038-11

You can find an overview of the available key

symbols on Page 2 – 15.

Horizontal rows to match the design of the flat-

panel display

Id. Nr. 316 343-01

BC 120 Visual Display Unit

15-inch color screen (640 x 480 pixels)

Id. Nr. 313 037-02

BF 120 Visual Display Unit

10.4-inch color flat panel display (640 x 480

pixels) Id. Nr. 313 506-02

July 2002 Overview of Components 2 – 11

BTS 1x0 Monitor/Keyboard Switch

With the BTS 1x0, it is possible to connect two

monitors and two operating panels to an LE.

Id. Nr. 317 292-01

Id. Nr. 329 965-02

BTS 110 (2 x BC 120)

(see figure at right)

BTS 120 (2 x BF 120)

MB 420 Machine Operating Panel

Machine operating panel with snap-on

(switchable) keys. You can find an overview of

the available key symbols on Page 2 – 15.

Key assignment:

nEmergency stop

nMachine control voltage

nNC start, NC stop

nFive axis keys

nRapid traverse

nCoolant

nSpindle start, spindle stop

n7 keys for machine functions

• Standard assignment: FN 1 to FN 5

• Assignment for HEIDENHAIN basic PLC

program: Retract axis, Tool change, Unlock

tool, Menu selection →, Unlock door,

Rinse water jet, Chip removal

Id. Nr. 293 757-33

Id. Nr. 293 757-45 Standard

Basic PLC program

2 – 12 HEIDENHAIN Technical Manual TNC 426, TNC 430

PL 410 B PLC Input/Output Unit

For the expansion of PLC inputs and outputs

Id. Nr. 263 371-12

Id. Nr. 263 371-02

64 inputs

31 outputs

64 inputs

31 outputs

4 analog inputs ± 10 V

4 inputs for

Pt 100

thermistors

PL 405 B PLC Input/Output Unit

Id. Nr. 263 371-22 32 inputs

15 outputs

HR 410 Handwheel

Portable handwheel with snap-on (switchable)

keys. You can find an overview of the available

key symbols on Page 2 – 15.

Assignment:

nKeys for selection of 5 axes

nKeys for traverse direction

nKeys for preset feeds

nKey for actual value position capture

nThree keys for machine functions (definable

with PLC)

• Spindle right, Spindle left, Spindle stop

• NC start, NC stop, Spindle start

(for HEIDENHAIN basic PLC program)

nTwo permissive buttons

nEmergency stop

nMagnetic holding pads

Id. Nr. 296 469-44 HR 410 handwheel (Spindle right, Spindle left, Spindle stop)

Id. Nr. 296 469-45 HR 410 handwheel (NC start, NC stop, Spindle start)

Id. Nr. 312 879-01 Connecting cable for cable adapter (spiral cable 3 m)

Id. Nr. 296 467-xx Connecting cable for cable adapter (normal cable)

Id. Nr. 296 687-xx Connecting cable for cable adapter (metal armor)

Id. Nr. 296 466-xx Adapter cable to LE

Id. Nr. 281 429-xx Extension to adapter cable

Id. Nr. 271 958-03 Dummy plug for emergency-stop circuit

July 2002 Overview of Components 2 – 13

HR 130 Handwheel

Panel-mounted handwheel

Id. Nr. 254 040-05 With ergonomic control

knob, radial cable outlet

2 – 14 HEIDENHAIN Technical Manual TNC 426, TNC 430

HRA 110 Handwheel Adapter

For connecting up to three HR 150 handwheels

with the TNC.

The axes and the subdivision factor are selected

via rotary switch.

Id. Nr. 261 097-03

Id. Nr. 257 061-09

Id. Nr. 270 908-01

HRA 110

HR 150, radial cable

outlet

Handwheel selection

switch

July 2002 Overview of Components 2 – 15

Key symbols for the spindle

Key symbols with axis designations

Key Designation

Print/Background

Id. Nr.

Key Designation

Print/Background

Id. Nr.

Spindle stop

White/Red

330 816-08

Spindle start

White/Green

330 816-09

Spindle direction left

Black/Gray

330 816-40

Spindle direction right

Black/Gray

330 816-41

Spindle stop

White/Red

330 816-47

Spindle start

White/Green

330 816-46

Clamp the axis

Black/Gray

330 816-48

Key Designation

Print/Background

Id. Nr.

Key Designation

Print/Background

Id. Nr.

X

Black/Orange

330 816-24

Y

Black/Orange

330 816-36

Z

Black/Orange

330 816-25

A

Black/Orange

330 816-42

B

Black/Orange

330 816-26

C

Black/Orange

330 816-23

U

Black/Orange

330 816-43

V

Black/Orange

330 816-38

W

Black/Orange

330 816-45

IV

Black/Orange

330 816-37

2 – 16 HEIDENHAIN Technical Manual TNC 426, TNC 430

Axis direction keys for the principle axes

Key Designation

Print/Background

Id. Nr.

Key Designation

Print/Background

Id. Nr.

X –

Black/Gray

330 816-63

X +

Black/Gray

330 816-64

X– <–

Black/Gray

330 816-18

X+ –>

Black/Gray

330 816-17

X’– –>

Black/Gray

330 816-0W

X’+ <–

Black/Gray

330 816-0V

X– <–

Black/Gray

330 816-0N

X+ –>

Black/Gray

330 816-0M

Y –

Black/Gray

330 816-67

Y +

Black/Gray

330 816-68

Y’– –>

Black/Gray

330 816-21

Y’+ <–

Black/Gray

330 816-20

Y– <–

Black/Gray

330 816-0P

Y+ –>

Black/Gray

330 816-0R

Y– –>

Black/Gray

330 816-0D

Y+ <–

Black/Gray

330 816-0E

Z –

Black/Gray

330 816-65

Z +

Black/Gray

330 816-66

Z– <–

Black/Gray

330 816-19

Z+ –>

Black/Gray

330 816-16

Z’– –>

Black/Gray

330 816-0L

Z’– <–

Black/Gray

330 816-0K

YY

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HEIDENHAIN TNC 426 CB/PB/M, TNC 430 CA/PA/M NC-Software 280476/477 Technical Manual

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