bosch CC 100M User Manual

ce

100M

User Handbook

Version 1 04

ce

100M

User Handbook

1070073401-104

(532)

(89.04) GB

Reg.

Nr.

16149·03

by

Robert Bosch GmbH,

Reproduction or handing over to third parties are subject to our wrilten permission.

Discretionary charge

applications for protective rights.

21,30

DM

Intemal Tool compensation. general Toollenglh compensation T -address 5-3 Tool radius compensation G40/41/42 Starting point. beginning Entry into contour from different starting points 5-7 Contour transitions with G68 (auxiliary ares) 5-8 Contour transitions with G69 (intersections) 5-9 Examples for G41/42 End point. cancelling the compensation

Change Examples 5-13 Suppression Cancelling compensation at inside corners 5-14 Outside comers 5-15

processing

of

compensation. switching between G41/G42

of

tool technology data

of

contour elements

contour 5-6

5-1 5-2

5-5

5-10 5-11

5-12

5-14

CONTENTS

APPENDIX Page

6

Programming Code

G-codes, 2-<ligit G-codes, 3-<ligit

M-codes Parametric functions Axis information, auxiliary functions, subprograms and jumps, special characters, control characters ASCII

character set

BOSCH

6-1

6-2 6-3 6-4

6-6 6-7

CC

100

M

Qutput

Definition, operating

Error message group 0

Error message group 1 Error message group 2

SUBJECT INDEX

01

Error Messages

6-8 6-9 6-11 6-13

1. 0

ES

C R I

PT

ION

DESCRIPTION COMPONENT

PARTS

BOSCHCC100M

User Handbook

ce

Full CNC continuous path control tor up axes plus controlled main spindie.

Programming based on extended by graphie and arithmetic tunetions.

100

to

M

4 numerically controlled

DIN 66025,

manual

This by the end user

Component parts elements, maintenance, working with the data interface are described in chapter 1 .

Reset conditions, the relerence system, operation

01

the operating panel and the manual panel, and

the technology stores are described

Chapter 3 describes the conventional programming contour

Parametrie lunctions, user graphie, operation

01

the tool compensation and special applications

are described

is

intended tor the use

ot

the contral.

ot

the control, operating

to

DIN, 3-digit G-codes and

cycles.

in

chapters 4 -

7.

1 - 1

in

chapter

2.

DESCRIPTION COMPONENT PARTS

BOSCH User Handbook

CC

100

M

COMPONENT

PARTS

Operating Panel

graphie screen, soft keys main mode input keyboard

Manual Panel

handwheel, customer keyboard reentry

start I stop I emergency stop button

I display distance to

10",

green

jog buttons, override switches

go

1 - 2

Logic

Modules:

CP/MEM connections for 2 serial data panel, and software module

Module Displays for

- Ready (green)

- 24

- internal voltage levels ok (green) reset button

connections for:

- ready 2

-24V

SERVO

connections 5 incremental measuring systems, analogue outputs time-critical

P I C

P L C

module:

110

devices, operating

external

V (green),

module:

module connection

VDU,

PS 75:

for

signals

or

battery

DESCRIPTION COMPONENT

PARTS

OPERATING PANEL

Operating panel

in

main mode AUTOMATie

BOSCHCC100M

User Handbook

axis displays

dislJlay

E,

S,

G,

F,

T

direet seleetion of main mode

DIN

addresses and funetions

figures and branehing

-----;

addttional eharaeters

aetive soft key

dislpla'(--

softkeys 1 to 5 (from

page back

....

leftll-----'

button------'

artthmetie function

1 - 3

input upper

funetion

ENTER

SCRIPTION IPONENT

PARTS

IUALPANEL

BOSCH

User

Handbook

CC

100

M

eleetronie handwheel

override and 100% button spindie speed

lor

seleC1ion traversing mode

CUSTOMER

lunC1ion keys NC

input signals PLC

KEYS

button

(F1-F10) (F11-F15)

extt

lram

eontour

rejoin

contour

::Iions

override and 100% button

leedrate .

lor

Override potentiometers:

The leedrate

on

the potentiometer

set in%. The button deaetivates the potentiometer

value

(sets when the potentiometer is set between

The potentiometers can

be used in

AUTOMATIC modes.

__

axis

seleetion

value is

to

100%

80

MACHINE and

....J

and 120%).

buttons start

display

Customer keys:

Effeetive in Depression keys in the triggers an lunC1ion, in memory.

Sottom row swttehing signals.

01

distanee

MACHINE mode;

01

one

top

two rows

MDI

whieh

is

ler

direet

01

PLC input

to

go

01

the

stored

stop

1 - 4

DESCRIPTION COMPONENT PARTS

BOSCH User Handbook

CC

100

M

CP/MEM

battery

Xll 25-pole

tl~

®

@)

•

E-PRQM

Modul

CP/MEM

•

Battery

~

«

'I

,

,0~

'0'

0

'"

>-

,..

Overwrite protection switch for machine parameter area. I = protected

"Start up" test during the runup phase; switch position 1

Buffer battery for data in The

battery

The battery

each time the

an error is signalled.

normal battery discharge (no defect

With

period of at

,

The CP/MEM incorporates a capacitor for the temporary buffering

RAM

of the off the period for which the To change the battery the battery cover must be opened; the battery is fastened

Battery: 4.5 V alkali battery, part no. 107 • 913 572.

The executive system software is contained

E

(soft-board) under the cover.

T

-

~

'"

>

0 change the software remove the battery cover and

withdraw the soft-board.

Serial Data

I

Interface 1

V.24

or20

= test active

RAM.

must

be

replaced

voltage is checked automatically in a 24

control is switched on. If undervoltage is detected

least 14 days is guaranteed after the first error signal.

data. If the battery is changed with the control switched

to

(POWER OFF first!)

Interfaces

mA

yearly.

on

PCB) a further buffer

supply is interrupted must

the cover

by

means

of

on

a plug-in PCB

a mounting.

hr

cycle and

not

exceed 5 min .

X12 25-pole

X21

X22

20-pole

Xl0

4-pole

,

2

":

~

N

>

,I

,.O@

~~g

e

"'~

..

e

•

"-

'I

,

2

,

1

24V

p

,

a

6.

c=-

~4V

ov ov

Desired characteristics selected by pin allocation.

Connector: sub-miniature D-type socket.

Interface 2 V.24 Second voltage interface; can be connected in addition

Connector: sub-miniature D-type socket.

VDU

Ext. Connection Connector: BNC socket.

Operating Connection between control system and Connector: sub-miniature D-type socket with integral coaxial connector.

External 24 V

I

Connector: Weidmüller terminal strip. Max.

monitor (SAS signals)

for

an additional

panel connection.

logic

DC supply (to supply the VDU in

cable size 1.5

mm

1 - 5

VDU

with 75 Ohm.

CC operating panel.

2

to X 11.

the

operating panel)

DESCRIPTION INTERFACES

INTERFACES, general

INTERFACES

BOSCHCC100M User Handbook

The user can connect up

to

2 external data

terminals at the CPfMEM.

20mA

V.24

Control Signals DTR Data Terminal Ready:

DSR Data Set Ready: Status of permission

Note: Data Lines

1 device of this type can be connected

This interface

andfor

With this type of interface one side is active (serves as source of current). the other must in the connections (see page

1 device of this type can be connected

This interface allows higher transfer speeds than the

more susceptible

Switch off handshake

is

particularly suitable for use where long distances are involved

where there is a high level of interference

be

made passive. This

HO.

1-11).

to

interference.

Status of readyness

by

means of a bridge. Pins 4 and 6 at the contral side.

to

X11

(see

page 1-5).

in

the surroundings.

is

achieved

to

X11

to

send is recognized (input signal).

by

specific pin allocations

or

X12.

TTY

interface but is

receive data is output (output signal).

TX

RX

Data output at the device sending the data.

Receipt

Make sure not Only connect one device per interface

of data at the receiving device.

to

confuse the plugs when connecting the devices!

(V

.24f20mA) !

1 - 6

OESCRIPTION INTERFACES

OATAFORMAT

Control Charac1ers (ASCII)

1 start bit, 7 data bits, 1 stop bit, "even" parity bit .

(1

start bit, 7 data bits, 2 stop bits, "even" parity bit

DeI

Tape reader ON

DC2 Punch ON or output

It starts the transmission.

DC3 Tape reader DC4 Punch

It interrupts (stops) the transmission.

STl<

Start

ETX

End

EOT

End of transmission.

01

OFF

text.

or

input

OFF

or

or output

START.

input

STOP.

Output comes

STOP.

Output comes Irom the controlling device.

BOSCHCC100M User Handbook

lor

110 Bd)

lrom

the controlling device.

Reading

in

Oata

Sub-miniature D-type connector 25-pole

socket on device plug on cable

CC

Command

DTR

-

Data

RX

-

1

..,

\~J·············~~O

O

J\\;zse

•••••••••••

Plug: side for soldering

Tape Reader

l

1

DSR

TX

Status

Data

,.//\

Oata

output

CC

Status

Data

DSR

Tl<

-

/

'.f

1 - 7

Punch

I

1

DTR

RX

Command

Data

DESCRIPTION INTERFACES

V.24CABLE

BOSCH

User Handbook

CC

100

M

Cable length

Signal levels

ce

X11/X12

Tl(

RX DTR

DSR GND

free

2

3

20

6

7

1

-<

-

-<

-

-<

-

-<

-

-<-

max.15 m

transfer rate

9600 Baud. always

max. with handshake

+3Vto

high

low

-3 V

to -12

r-j

!

I

data data

I

Status q

I

Status~

I

Iri

+12V

V

q

~

-

f

,

I

Ir!

,

I

,

I

Peripheral V.24 connection

3

>-

-

2

>-

-

6

>-

-

20

>-

-

7

>-

-

)-

1 screen

RX TX DSR

DTR GND

Note:

X12

interface does not use hand shake signals.

1 - 8

DESCRIPTION INTERFACES

20

mA

CABLE

BOSCHCC100M

User Handbook

CC active

A1location

Gable lengths:

Signal levels:

The

CC

serves as source of current:

CCX11

CC

active

CC

passive

Baudrates: maxI 4800 maxI

300

high

low

maxI

eX1ernal

maxI maxI 100 m

Bd

with handshake

Bd

without handshake

approx. approx.

voltage drop 2 V

Peripheral (e.g. Mini Cass)

15

m

20

0

mA mA

RX+ RX-

TX+

TX-

DSR+ 14 DSR-

DTR+ 16

DTR-

Active

Active out

in

12 24

13

25

18

21

9

10

-<

-

r-

I

'.-'

1

data

I

I I

I

data

I

I I

I

Status<;::=J I

I I

I

!

I

Status

I

!

: I

-

j

~r

I

-

I

I I

I

l J

I

t

I

-

ql

)-

23

)-

13

)-

22

}-

12

}-19

}-

16

)-

11

}-

14

TX+ TX-

RX+

RX-

DTR+ DTR-

DSR+

DSR-

free

1

1 - 9

)-1

screen

DESCRIPTION

BOSCHCC100M

INTERFACES

20

mA TERMINAL

CC

passive

Pin Allocation

The peripheral device serves as source of current. Max.

admissible voltage drap in the contral

The supply

CCXll

RX+

RX-

TX+ TX-

DSR+ DSR-

DTR+

DTR-

to

the driving device can

22

12

-{

23-{

13-{

11-{

14

-{

19-{

16-(

-

n

I I

I

I I

i

I

I I I

,

I

be

data

data q

Status

2V.

up

to

24V.

~

<;=::J

=>:

fl

I I

I

I I

I

User Handbook

-

I

-

I

-

I

,

I

-

I

-

I

-

:

'.

Periphery (e.g.

>-

13

>-

25

>-

12

>-

24

>-

16

}-

21

>-

14

.

>-

18

MINI Cass)

TX+

TX-

RX+ RX-

DTR+

DTR-

DSR+

DSR-

free

1

1 -

10

}-1

screen

DESCRIPTION

BOSCH

CC

100

M

PERIPHERALS

CASSETTE UNIT OCR-TERMINAL

BOSCH

-------------------

( \

I 1

I I

I 1

! (0

1 1 1

1 I 1

L J

1

(

1

"

1..1

____

Cassetten

I)))

r--

- - - -

I \

0

10

"-

__________

PERIPHERALS

Terminal

(((I

I 0) i

--

"""'

00'

~

____

eject button

~,

11

u

?

(",

,1.-,

-~

----.0

~

7

,

User Handbook

~

@ @

5

~

@

5

Q.:D

@ @

~

@

0

P

~

@

Q!!O

lli.O

GENERAL

•

recording process: ECMA34

.storage

256

.data

set on back

.parallel and serial

interface

Read

Write

Search backwards -

capacity:

KB.

unformatted

format and baudrate

(OCR

_serial)

(serial-DCR)-

0

.

DISPLAYS

?

~

----.0

~

OPERATING ELEMENTS

@ @

5 P

-

~

Q.:D

~

@ @

5

O!!D

@

lli.O

@

7

@

~

- device not ready

- bad cassette

- beginning of recording

- end

of

recording

- mains and switched on

-Read

-fast rewind

- Search forwards

DCR

(DCR

- parallel)

1 -

0

1

11

DESCRIPTION PERIPHERALS

BOSCHCC100M

User Handbook

BOSCH

(OCR

REAo

- CC100

Cassetten

M)

Terminal

I

WRITEI

(CC100 M -

insert cassette

Q.5O

0

,

@

OCR)

?

.

....

\

...t.,..

~

QJ

7

I

-,

..

",

Q)

ö)

~

@

s

~

Q.:D

~

@

s

O!!O

@

Qill

@

0

WRITE

(CC100

M-

insert cassette

@

p

11

OCR)

data can now be

transferred

•

@S

0lD

,

@

O=D

,

cassette winds forw. I

. a little, then stops

I

,.

data can now

I

stored

j

@

0

I.

endmarker isgenerated I

be

t

,

@

Q.5O

cassette winds forwards

@

o

I

data can now be

stored

@

o

1

-12

DESCRIPTION PERIPHERALS

OCR

Rear Panel

BOSCH User Handbook

CC

100

M

g

@

Settings:

1.

CODE: BIN

E[N

NETZ

AUS

0,5

A IR

8AUDRATE

Schalterst.

PARALLEL

I~~

~

~\

~}:h:!:!JE

SERIAL

~

I

2::

110

,,'"

}=)OO

7

Baud

150

..

::

1200

..

BAUDRATE

·SchalterS!. ..

..

CODE

[SO@

PARITY

EVEN

8[N

OFF

@

A.

2/100

C:

"300

E",

'1600

STOP-BIT

l1tz

OD01@

Baud

..

2

I·

BAUDRATE:

2.

PARITY:

3.

4.

STOP BIT: 1

5.

Connector tor use with CC 100 M is SERIAL

6. Gable used:

Explanations:

NETZ EIN/AUS MAINS ON/OFF

Schalters!. switch position

Vor Öffnen des Gehäuses Netzstecker ziehen!

C

(=

EVEN

(as

046266

4800 Bd)

in control)

Unplug mains cable betore

opening the housing !

1

-13

DESCRIPTION

BOSCHCC100M

PERIPHERALS

MINI CASSETIE UNIT

GENERAL

User Handbook

DISPLAYS

.recording

ECMA34

.storage

20

KB

.data

set on back

.automatic

after switch-on with

"Ready"

.serial

V24or20

process:

capacity:

each side

format and baudrate

self-diagnosis

indicator

interface with

mA

OPERATING ELEMENTS

Write button

(data transfer

CC 100 --Mini-Gass)

I[

0

l

0 error indicator

Error

0 ready indicator

Test

Reset button

I1

I

1

0

-14

l

Read button

(data transfer

Mini-Gass

__

CC 100)

DESCRIPTION PERIPHERALS

BOSCH

User Handbook

CC

100

M

Rear Panel

Settings:

1.

code:

of MINI CASS

000000000

ON

SfLECT

BIN

OFF

VOlTAGf

0.61 T llNE

MODE·

=

-~

[]0

y

24

12O","

0000000000000

000000000000

.AUDRATE

l

.......

·..

..... • ......

• • w

..

-

"

·1-

I

noo

a.

HOG

c·uoo

•

·_00

[J

BAUO-

RATE

!~}

......

2. MODE: 4

3.

BAUDRATE: 7

4.

cable used:

Data carrier:

Digttal mini-cassette

~on1rol

micro

pe

5/8

100/200/300

(=

20

mA -

LDB

Mode

4

1200

Baud)

2.5

m part no. 046266

400

part no. 910749

Number of

data

Ms

7

Partty btt

even

Start btt

1

Stop

btt

1

Operating buttons active

yes

Binary data

no

1 -

15

DESCRIPTION

BOSCH

CC

PROGRAM HEADER User Handbook

100

M

EXTERNAL PROGRAM PRODUCTION

following text explains the methods by which part

The programs and part program type subprograms (or cycies) are produced.

Such programs are constructed lrom program language elements to

DIN 66025 and can be produced by one of the lollowing

methods:

1. via keyboard input, using the program editor

2. via the manual panel with 'Teach In',

3. via a programming unit onto a data carrier (paper

tape, for instance), outside the

PROGRAM

HEADER

in

the

Ne

in

the

Ne

Note:

4. by computer, outside the

Programs produced outside the Ne

machine code and the

In

addition programs which are input from a data carrier

(tape

or

digital cassette)

Ne

must conform to the

Ne

syntax.

or

via an interface (V24/20 mAl

must have aleader (header) and a trailer. Leader and

trailer, the beginning

as

weil

as

the program identifications

of

data blocks must be provided

When

data needs

of the individual program

to

be transmitted the external data carrier

01

in

the correct format.

Iines,

the header lines

must be activated before the contro!.

1 -

16

DESCRIPTION PROGRAM HEADER

1 2 J L 5 6 7 8 9 "0 »

54

1

2

,

=

121314 15

I F

58.7

,

5

6

7

1

2

,

5

6

7

CC100 - PROGRAM HEADER (general format)

17

'6

18

'S

1!J"l'12232,"526'Z12l3:r;3'32D343'S"Xln38J91.l)

y =

70

1.1'2

'3

34.

2 E -

44

'5

1.6"

LS,9S05'S2SJSLS55651S8

BOSCH

User Handbook

CC

590061

100

62 6364

I

-

M

l

I

.)

I

1

2

,

5

6

7

•

Note:

Program header with 1 and 2-dign program numbers

Program header with program numbers of over 2 digits

The control characters listed below are generated as folIows: DC2

= CTRL R (device control

STX

= CTRL B (start of text)

ETX

=

CTRL

C (end

EOT

=

CTRL

0 (end

DC4

= CTRL T (device control

CR

LF

muS!

be

in

columns

of

text)

of

transmission)

63

and

2)

4)

64

respectively.

1 - 17

DESCRIPTION

PROGRAM HEADER

Program Header • Original Print-out

BOSCHCC100M

User Handbook

Taol

Zero Shift

Variable

Data is output programming data externally (see also previous page).

I IDENTIFICATION

by

the control in this format, and the same format must be used when

AS

TOOl

DATA

I

-----TOOL-------------------------------------1------------Tl

T2

R=

18.0

R=

0.0

I IDENTIFICATION

DR= DR=

0.0

L=

200.0

L=

0.0

AS

ZERO SHIFT I

--ZERO-SHIFT----------------------------------2------------G54

G55

---VARIABLE--------------·

X=

91.20052

X=

0.0

I IDENTIFICATION

VI = 45.0

V2

Y=

0.0

Y=

0.0

AS

-----

= 0.107106

Z=

55555.0

Z=

0.0

VARIABLE I

·_------------3-------------

S= S=

E= E=

0.0

Program

Cycle

Identification

LeIters

PROGR.

NAME INCH/METR. ACCESS

I

~

_

R/W

ENABLED

lEVEL

---PROGRAM----1---REF---------------M--RWED---4------------N 1

N 2

N 3

N 4

G879 GI

X200

F2000

M2

(PROGRAM

I IDENTIFICATION

END)

AS

CYClE

I

-----CYCLE----20--***************---M--RWED---5-------------

N 1 N 2

G92

XO

YO

M21

- = space character

The access level is identified as

RWED

RE

E execute permitted (cycles only)

read, write execute, delete permitted

read, execute permitted

folIows:

Dimensioning:

= melric

M

I = inch

1 - 18

DESCRIPTION PROGRAM HEADER

PROGRAM HEADER IN DFS FORMAT

BOSCH

User Handbook

CC

100

M

Different possibilities

Explanations

The ce 100 program header in

header format of the ce

the future.

The uniform

(DFS'

At the positions indicated by an asterisk it insert one, several or no space character (s).

(DFS, Pxx) (DFS, Pxx, • (DFS, Pxx, name . suffix) (DFS, Pxx, • suffix, (DFS,

-

DFS

Specific types

DFS program header has the following (basic) format:

, •

Pxx, name • suffix,

file

type

suffix)

200/300, in order

RWED)

DFS

format has been designed on the basis

to

of

files can be loaded and output.

• file • [ • [ file • ] number'

is

RWED)

create uniformity in this area for

name

possible

suffix'

to

]

•

of

the

access)

level

Identification

-

Filetype

Specific letters identity the file type:

P

C

E K compensation

V

=

X variables

L

=

File number

- Program numbers can contain up

File name

The file name can contain Tables are transferred without name. The

identified as

of

the program header in DFS format (defined storage).

program cycle

text

table

zero shit! table

machine parameters

XO,

VO

(XO)

or

up

KO.

(VO)

to

(KO)

to

9 digits, cycle numbers

15

characters, which can be letters as weil as numbers.

1

-19

file type

to

be transferred

up

to

2 digits.

is

simply

DESCRIPTION

PROGRAM HEADER

- Suffix

of

The suffix consists method It is separated fram the file name

(I

= inch/M = metric).

one letter and determines the dimensioning

by

a decimal point.

BOSCH User Handbook

CC

100

M

Note

Examples

- Access

The access level is defined by a 2-character code. 2-char.: 4-char.:

Input

They are purely

If no file name

automatically assume the dimensioning to be metric If a file name is stated in the program header the suffix must be entered too.

01

DFS program header

(DFS,

level

RE RWED

cf

file name, suffix and access level is not eompulsory.

P12)

P10,.M)

(read, execute)

(read, write, execute, delete)

optional .

is

pragrammed the suffix can be ommitted. The contral will then

(=

suffix

M).

lor

different

Iile

types

- transfer pragram number

- transfer program number

of

a single program,

12

of

a metric program,

10

(DFS,

C 4,TOOL CHANGE.

(DFS,

P1,

TEST RAPID.M,RWED)

(DFS,

XO)

(DFS,

KO)

(DFS,

VO)

I)

- transfer

cycle in inch format

- transfer metrie dimensions under aceess level

- transfer

1 -

20

of

the tool change

of

program

RWED

of

the variable lable

compensalion lable

zero shift lable

Pl

with

DESCRIPTION PROGRAM HEADER

Examples:

BOSCH User

Handbook

CC

100

M

(DFS,P

(DFS,C

iDFS,K

OPERATING SEQUENCES FOR OUTPUT AND INPUT

The files screen in reverse video:

SELECTED

1,TEST

RAPID.M,RUED)

79,.H,RUEDI

01

to

be

output

FILE

ONl

are determined via soft key and marked on the

Y

- Output if specific file had previously been selected.

OR

PROGRAMS

PROGRAMS AND FILE +

FILE + ZERO SHIFT FilE

Files

If loading via interface is selected in main mode MEMORY a specific

number

lALL

!vES

TOOlS

+ VARIABLES

to

be

of

FILES

NO

CYClES

loaded

files can

START

- Output if no specific file

had previously been selected. Whether programs or cycles are output depends on the file type active

CYClES

can

be

transferred several at a time in

be

selected by soft key operation:

PORT

- Selection via soft key.

- Output as weil as tool, zero shift or

variable file.

NO

BAUDRATE

at

the time.

of

a specific file,

any

CONTROl

YES NO

sequence.

How

rnany?

(1

...

99) 0

1 -

21

DESCRIPTION PROGRAM HEADER

BOSCH User Handbook

CC

100

M

CHECKS UM

-Whatever the tape format, programs can be output with

-The

DFS

program header is output without checksum.

In

each pragram block the checksum is inserted directly before the

-

Position, calculation, input/output

1) Position

At

the

the character

e.g.

2)

How

Every character between the calculation. The removed until 255 or less remain, and this remainder

e.g. N-11---G1-:nnCR CODE

of

the

checksum

end

of the data and before

":"

and then the checksum value

N-11- - N-11---G1-:nnCRLF

nn

to

G1

CR

LF

space

2-digit number for the checksum

calculate the checksum

ASCII

value of each character is added up and multiples of 256 are

ASCII

VALUE

becomes

LF

of

the

checksum

CR

LF,

a space,

(a

2-digit number)are written.

of the previous line and the

or

is

converted into a hexadecimal number.

without checksum.

CR

LF

contral character.

":"

is included into the checksum

N

78

32

1 1

49 49 32 32 32

G

71

49 32

456

- 256 ~ 200 =

The

block will now read: N-11- - -G1-:C8

3) Input/output

INPUT

OUTPUT

C8

of

the checksum

SK

"CONTROL

SK

"CONTROL

SK

"CHECKSUM YES/NO" is called up via

SK

"CHECKSUM

YES"

NO"

CR

LF

active -contral checks syntax

active

YES"

active - pragrams are stored with checksum

- control checks the checksum, exists, otherwise it checks the syntax

SK

"FORMAT".

if it

SK

"CHECKSUM

NO"

active -programs are stored without checksum

22

1 -