SICK DME2000 Entfernungs-Messgerät Distance Measuring Devise Operating instructions

8006740/1996-01

BETRIEBSANLEITUNG

/

OPERA

T

ING

INSTR

UCTIO

NS

DNE

2000

En1fernunas-Neßaerä1

Disiance

Neasurina

Device

SICK

8006740/1996-01

2

lnhalt/Contents

Inhalt/

Contents

Menü-Übersicht

.................... 3

Maßbild,

Anschlußschema

... 4

1

Einführung

............................. 5

1.1

Benutzerh

i

nwe

is

....

...............

..

........

.......

5

1.2

Geräteübersicht

....

................

..

..............

. 5

1.3

Montage

-/V

erdrahtungshinwe

ise 5

2

Inbetriebnahme

.................... 6

Para

m

etrier

ung

......

................................

. 6

3

Menüführung

......................... 7

3.1 H

au

ptm

enü

............

..

......

.......

..............

.....

7

3.2 Auswahl

der

Bet

ri

ebsart

(MODE) 7

MODE1.1..

...7

M

ODE

2.1 ..

" 7

3.3

Parametr

i

erung

der

Schnittste

ll

en

(INTERFACE)

........

............................. 8

ANALOG

...

8

DISPLAY.. . ... ....

....

..

... 9

OUT1/0UT2

„

AVERAGE

...

RS

232

..

... "'

""

11

"""

12

''' .

""

13

3.4

l

nbetr

i

ebnahmehi

lf

en

und

Fehleranzeigen

(SERV

ICE)

..........

..

1 6

ALIGN

....

..

.....

.

....

16

TIME

...

'' ''

. ''' 16

INTERFACE STAT

US

. .

..

.

......

16

ERROR STAT

US

.

..

16

SERIENNUMMER

..

. .

....

16

R

ESET

..

.............

..

.. ..

........

16

4

Fehlerbehebung

..................

17

4. 1 Plausi

bi

li

tä

tsausgang

Qp

............... 17

4.2

Service-Ausgang

Qs

......

........

..

......

..

17

4.3

Austast-Eingang

(S

& H)

........

..........

18

4.4

Fehlercode

-

....................

.

....

18

5

Technische

Daten

...............

19

Zubehör

................................

40

Menu

Overview

..................... 3

Dimensions,

Connections

.... 4

1

lntroduction

........................

23

1 . 1

Use

r

No

te

......

..

......

..

..........

................

2 3

1 . 2

Dev

ice Overview

..

............

............. 2 3

1.3

Assemb

ly and

Wir

ing

Notes

....

23

2

Startup

.................................

24

Pa

rametriza

t i

on

....................

............

..

.

24

3 Menu

Guide

..........................

25

3

.1

Ma

in

Menu

...

....

..

........

..

....

..

......

...............

25

3.2 Sel

ect

ion

ofthe

Mode

(M

OD

E)

..

25

MODE

1.1

.....

........

. 25

MODE

21 „ . 25

3.3

Parametrizati

on

of

the

i

nterf

aces

(

INT

ER

FACE) ........ .

..........

..

...

26

AN

ALOG

..

..........

.....

.. ..

..

26

DISPLAY...

..

.

....

.

.27

OUT1/0U

T 2

..

...........

29

AVERAGE......

..

...

30

RS

232

..

„

31

3.4

Startup

help and Error Messages

(SERVICE) .....

............

........

....

......

..

........

34

A

LI

GN

..

.

34

TIME

...

.

INTERFACE STATUS .. .

.34

''

34

ERRORSTATUS...

..

.

..

34

SER

IAL NUMBER

..

34

RESET.

„

34

4

Corrective

Measures

..........

35

4.1

Qp

Plaus

ibil

ity

Outp

ut

..

......

.......

35

4. 2

Qs

Service

Ou

tput

............. .

..

......

3 5

4.3 S

& H Blanking

Ou

tp

ut..

......

.

........

..

36

4.4

Er

ror

Code

Dis

pl

ay

..

.

....

...

....

.......

36

5

Technical

Data

.................... 3 7

Accessories

..........................

40

8006740/1996-01

Menü-Übersicht

/

Menu

Overview

Meßbetrieb

/ Measuring

mode

n

Pfeiltasten

.J

Arrow

keys

CODE

.J

ENTER

.J

H

au

ptmenü

.J

1. Untenmenü

.J

2.

Untenmenü

.J

__J

n

MODE

1.1

MODE

2.1

RETN

!NT.FACE

ANALOG

CURRENT

Eins

tel

l

mö

glichke

it

en

1-SCAL

siehe

Kap

.

3.3

OFFSET

See

chap.

3.3

for

p

oss

ible

RETN

p

ara

met

er

va

l

ues

DISPLAY

OFFSET

DIMMER

RETN

OUT

1

LIMIT

1

HYST

1

NORM

1

RETN

OUT

2

LIMIT

2

HYST

2

NORM

2

RETN

AVRG

RS

232

PRESET

STOPBITS

HND-SHK

PROT

RETN

SERVICE

ALIGN

Einstellmöglichkei

te

n

TIME

siehe

Kap

.

3.4

INT.STAT

See

chap.

3.4

for

possible

ERR.STAT

parameter

va

l

ues

SER.NR

RETN

3

8006740/1996-01

4

Maßbild

/

Dimensions

0

8s

tellige

Anz

eige und Bedien-

tasten

@ Befestig

un

gs

bohrungen

(

Rü

ckse

ite)

0 8-digit di

sp

lay and

pro-

gramming ke

ys

@ Mounting holes (rear)

Anschlußschema

/

Connections

---

·1

A

-

DT

R

)

wht

D

ata

terminal ready

(RS

232-Ausgang/

outp

u

t)

B

Q1

-

)

brn

0

1

Sc

haltausgang/Swi

tc

h

ing

o

ut

put

C

CTS

)

grn

Cl

earto

send (

RS

232-

Ei

nga

ng/inpu

t)

D

)

yel

QA Analogau

sga

n

g/A

nal

ogou

t

put

-

QA

E

Qs

)

g

ra

Q

5

Service-Au

sga

n

g/S

ervice o

utp

ut

-

F

)

pnk

Op

Pl

aus

ibilität

sa

u

sga

n

g/

Pl

ausibili

ty

output

-

Qp

G

)

red

+18

...

30

VDC

Uv

-

Uv

R x D (Empfan

gs

daten,

RS

232-Eingang/

H

)

blk

-

RxD

Reception dat

a,

RS 232 inpu

t)

'

1

vi

o

-

S&

H

)

Austast-E

inga

ng/

Bl

an

ki

ng input

K

TxD

)

gra/pnk

T x D (Sendedaten,

RS

232-Ausgang/

-

Transm

iss

ion dat

a.

RS 232 o

utpu

t)

L

Q2

)

red/blu

-

0

2

Sc

h

al

t

ausga

ng/Switching outp

ut

M

GND

)

blu

0 V (Masse/Ground)

-

- · - ·

wht

brn

grn

yel

gra

pnk red blk

vio

blu

we

iß

br

aun

gr

ün

gelb grau

ro

sa

ro

t

sc

h

warz

v

iolett

b

la

u

Lötsei

te/

white

bro

wn green yell

ow

gr

ay

pi

nk

red black viol

et

blue

So

l

der

side

Page is loading ...

8006740/1996-01

22

Benutzerhinweis

DME

2000-000

E06

(Bestell-Nr.

1

012

1

09)

Geprüft

nac

h:

IEC

82

5

(07/9

4)

EN

60825

(07/94)

LASER-STRAHLUNG

NICHT

IN

DEN

STRAHL

BLICKEN

,

AUCH

NJCHT

MIT

OPTISCHEN

INSTRUMENTEN!

STAUBSCHUTZT1JBUS

NICHT

DEMONTEREN!

LASER

KLASSE

3A

MAX.

LEISTUNG:

17

,5

mW

IMPULSDAUER:

6,8

nsec

WELLENLÄNGE:

685

nm

DME

2000

-

000

E07

(Best

ell•N

r.

1

013

708)

DME

2000-000

E08

(Beste

ll-Nr.

1

013

717)

DME

2000-000

E10

(Beste

ll-N

r. 1

013

28

0)

Geprüft

nach:

IEC

82

5

(07/9

4)

EN

6082

5

(07/94)

LASER

-S

TRAHLUNG

NICHT

OEM

STRAHL

AUSSETZEN!

LASER

KLASSE

38

MAX.

LEISTUNG:

17

,5

mW

IMPULSDAUER:

6,8

nsec

WELLENLÄNGE:

665

nm

User

Note

DME

2000

-000

E06

(Part

No. 1

012

10

9)

LASER

RADIATION

Compli

es

wit

h:

EC

825

(07/

94)

EN

608

25 (

07/9

4)

DO

NOT

STARE

INTO

BEAM

OR

VIEW

OIRECTLY

WlTH

OPTICAL

INSTRU

M

ENT

S!

00

NOT

D

IS

ASSEMBLE

DUST

PROTEC

TI

ON

TUBE!

CLASS

3A

LASER

PROOUCT

MAX.

POWER:

17

,5

mW

P

ULSE

DURATION:

6,8

nsec

WAVELENGTH:

685

nm

DME

200

0-

000

E0

7

(

Pa

rt No. 1

013

708)

DM

E

200

0-000

E08

(Part No. 1

013

71

7)

DME

2000

-00

0 E10

(Part

No.

1

013

280)

LASER

RADIATION

AVO

IO

EXPO

SURE

TO

BEAM

!

CLASS

38

LASER

PROOUCT

MAX.

POWER:

17

,5

mW

PULSE

DURATION:

6,8

nsec

WAVELENGTH:

685

nm

Comp

lies

wi

th

:

IEC

825

(07

/

94)

EN

60825

(0

7/94)

8006740/1996-01

1

lntroduction

1 • 1

User

Note

Complies

with:

IEC

825

(07/94)

EN

60825 (07/94)

------

..

Note: Different

la-

LAsER

RADIATION

OONOTSTAREINTOBEAM!

ser

classes

ap

pl

y

to

CLASS

2

LASER

PROOUCT

..,.

_____

..

some

design

vari-

MAX

.

POWER:

3.4

mW

PULSE

DUAATION:

6.8

nsec

WAVELENGTH:

670

nm

______

..

ants

of

the

DME

2000 (see page

22)

.

1.2

Device

Overview

The

DME

2000

is

a compact optical

dis

-

tance sensor. lt measures the

light

transit-

time according

to

the p

ri

nc

ipl

e

of

ph

ase

correlation. T wo

diffe

rent operating

modes are

available:

scanning

mode for

measurement

of

almost a

ll

surfaces,

and

refiector mode for great distances em-

ploying

refiective

foil.

T

yp

i

ca

l applications

in

scanning

mode

includ

e the positioning

of

parts,

profil

e

sca

nnin

g,

reco

rdin

g

di

am-

eters, controlling

sag

and

level

measuring.

Examp

les

in

refiector mode are the

posi-

tioning

of

AGVs

and

cranes.

The

DME

contains the

fo

ll

owing inte

r-

face

s:

~

Di

sp

l

ay

~

Pu

sh-buttons

~

Serial

in

terface

(RS

232)

~

Switching

outputs

~

Serv

ice output

~

Analog

output

~

Blank

in

g (sample

and

hold)

input

~

Pl

aus

ib

il

ity

output

Refer

to

the last two

-p

age

spread for

ac

-

cessones.

1

lntroduction

1.3

Assembly

and

Wiring

Notes

~

D

imen

sions shown on

facing

page

~

Minima

l measuring d

ist

ance

= 100

mm

~

Alignment

help

- see

ALIG

N

func-

tion

(chap.

3.4)

~

Connections shown on

fa

cing

page:

see chap.

4.1

-

4.3

for the

fu

nctions

of

inputs and outputs

~

Recommended cable

le

ngth

us

in

g the

RS

232 interface = 10 m

~

Large

cable

len

gths can result

in

inte

r-

ference

of

the analog si

gna

l at the

an-

alog input

of

the e

val

ua

tion dev

ice;

select a cable

di

am

e

te

r so that a

lin

e

dr

op

of

<2 V is ensured.

Possible

ad-

d

it

ional

measure: employ

pai

rs

of

twisted

cables

(

Figure

1

).

Power Power

ov

Supply Supply

+ml

l

+24V

ov

Analog

input

Control

box

--

DME

2000

--

~

I

G;'

I

)

'

D

Figure

1.

Wiring

23

8006740/1996-01

24

2 Startup

l

Startup

·1r

·

..

· ·

:1 ;

.·-.

1

f .:

....

•

+

ENTER

+ +

ENTER

+

Figure

2.

DME

2000 Displ

ay

When

the

supply voltage it

turned

on,

the

device displays

the

current

soft-

ware

parameter

s (Figure 2).

After

initializing,

the

DME

2000

switches

after

10

seconds

(scanning

mode)

or

15

sec. (reflector

mode)

to

display

the

current

meas

u

red

value

(measur

ing

mode).

lf an e

rror

is

detected

during initializa-

tion, it is signaled by

th

e

correspond

in

g

er

ror

code

.

ln

itialization

errors

abort

the

opera-

tion

before

measurement

begin (blink-

ing display,

see

chap. 4.4).

Parametrization

Par

ametr

ization

ofthe

D

ME

2000

is

achieved with

menu

prompting

em

-

ploying a

tree

structure

wi

th

three

sub-

layers.

The

tree

structure

lets y

ou

se

-

lect a

spec

ifi

c

parameter.

.,,.

All

parameters

are

displayed

one

after an

othe

r by

repeate

d pressing

of

the

ENTER key .

.,,.

The

parameter

search and num

er

ic

entr

i

es

are

made

using

the

UP

and

DOWN

keys.

.,,.

A

selected

paramete

r or a numeric

entry

is

confirmed by pressing

the

ENTER key.

In

mea

suring

mode,

the

parame

ter

me

nu is called by press

in

gthe

UP

or

DOW

N key .

As

prot

ection

against uni

ntent

i

ona

l

or

unauthor

i

zed

manipulation

of

param-

eters

, a

code

number

mus

t

fi

rst

be

en-

tered

using

the

UP/DO

WN

keys and

confirmed by press

in

g ENTER

(F

i

gure

2).

1

Il

I

Note

.,,.

This

code

number

is

prov

i

de

d

in

chap. 5 T echnical

Dat

a and can be

r

emoved

before

giving it

to

t

he

end-user

.

.,,.

Holding

down

the

keys Jets you

run

throu

gh

the

paramete

rs

qu

i

ck

ly

.

All

other

entries

or

none

at

all

at

this

poi

nt

also

ca

ll

the

menu

display and l

et

you

vi

ew

the

set

paramete

r

s.

How

-

ever, t

hey

can

not

be

mod

ified.

Al

l

entr

i

es

co

nfir

med

by

ENT

ER are

stored

in

a non-volatile

memory

(EEPROM)

and

remain intact

even

wi

th

out

supply voltage .

8006740/1996-01

3

Menu

Guide

~

Refer

to

the

fo

ld

-

out

page

at

the

front

for

menu

overview.

3.1

Main

Menu

The

main

menu

lets you select

the

fol-

lowing:

M

ODE

Selection

ofthe

operat

-

ing

mode

IN

TERFACE

Paramet

ri

zat

i

on

of

the

S

ERVI

CE

RETURN

i

nterfaces

Startup

he

lp,

error

mes-

sages

Return

to

the

display

of

the

current

measured

va

lue

3.1

Selection

of

the

Mode

(MODE)

MODE lets you

se

l

ect

the

operating

mode

of

t

he

DME 2000.

Default

sett

in

g:

MODE

1.1

A distinction

is

made

between

the

fol-

l

ow

in

g

operat

in

g modes:

MODE

1.1

Scanning

mode

Measur

ing

range

100

mm

to

2,047

mm

Targets

with diffuse

re

-

fl

ec

tion

of

6

to

36

,000 %

(matt

black

to

sh

ini

ng

aluminum)

MODE

2.

1 Reflector

mode

Measuring range

100mm

to

131,071

mm

(reflective fo

il

; c

f.

acces

-

sor

i

es)

RETURN Return

to

main

menu

3

Menu

Guide

MODE

1.1

Scanning

mode

for

di

ffuse reflecting

ma

ter

ial

with a surface reflectance

of

6% minimum

(appears

matt

black)

or

36,000% maximum (shining aluminum

surface).

Refer

ence

: Kodak

white

corresp

onds

to

90%.

A plausib

ili

ty

control

eva

luat

es

ba

ck-

ground

and multiple reflections (plau-

sibili

ty

outpu

t).

Statisti

ca

l m

easurement

value fluctua-

tions can al

so

re

sult

in

s

hort

-

ter

m acti-

vat

i

on

of

the

plaus

ibi

li

ty

outpu

t. The

plausibility

output

is

set

wh

en

the

measu

ri

ng range

is

exceeded

.

When

the

r

ecept

i

on

signal

is

t

oo

sma

ll

( <-

120

dß),

the

measu

ring r

ange

end

value

is

outp

ut as 2,047

mm

( + offset).

The switch

in

g

outputs

operate

in

ac-

corda

nce

with

the

outpu

t m

easure

-

ment

value.

MODE

2.1

In

mo

de

2

.1

the

DME

2000

operates

using reflective

foi

l.

When

there

is

in

adequate

re

fl

ectance

in

th

e

measu

r

in

g range ( e.g

.,

so

il

ed

re

-

flect

iv

e

foi

l), a ma

in

ten

ance

alarm is

trigger

ed

(Qs

service

out

put).

lf

the

li

g

ht

beam

to

the

reflecti

on

fo

il

is

interr

upted

by a diffuse

re

fle

ct

ing tar-

get,

th

e plausibi

lit

y

outpu

t is set. In

th

is

case the

measur

ing

va

l

ue

O ( + offset) is

output.

W

hen

the

mea

sur

in

g range

of

131,071

mm

is

exceeded,

the

plaus

ibi

lity

output

is also

set

and

t

he

measu

ring

va

lu

e 0

( + offset) is

output.

The

switch

in

g out-

25

8006740/1996-01

26

3

Menu

Guide

puts

operate

in

accordance with

the

output

measur

in

g value.

&Attention

~

With

great

measur

in

g distances,

the

refiective

foi

l mu

st

be

of

ade-

quate

size

to

pre

v

ent

the

lig

ht

spot

from moving away in

th

e

event

of

v

ib

rations.

(For

examp

le,

if

the

sensor

is

turned

1 degree, t

he

li

ght

spot

shifts

abou

t

2 m away

at

a d

is

tance

of130

m.)

~

Whe

n

the

me

asuring distance

is

greater

th

an 1

40

m,

refiective

foil

can give a fal

se

measuring va

lu

e

without a

pl

ausi

bil

it

y

error

occur-

rin

g (ambiguous

measur

ing va

lu

e).

3.

3

Parametriz:ation

of

the

Interfaces

(INTERFACE)

Th

e INTERFACE su

bmenu

l

ets

you

make

the

follow

in

g

se

l

ec

ti

ons

:

ANA

LOG

DISP

LAY

OU

T 1

OUT

2

AVRG

RS

232

ANALOG

Analog c

urr

e

nt

interface

Alphan

umer

ic display

Q

1

swi

tch

ing o

utput

Q2

s

wit

ching o

utput

Aver

age val

ue

g

ene-

ra

tion

Ser

ia

l

RS

232

i

nte

rfa

ce

(V.24)

Th

is

menu

lets you

set

th

e ele

ct

ric cur-

rent

in

terface.

De

fa

ult

sett

ing:

CURR

ENT

4to

20

mA

1-

SC

AL +1

OFFS

ET

0mm

Possible settin

gs

:

CUR

RENT

Range

se

lecti

on

: 0 to

20

mA or

4to2

0mA

1-

SCA

L

Mu

lti

pl

ier for

the

current

outp

ut:

Range - 128 to

+128

E

xam

ples:

1-SCAL =

1:

2047

mm

= 20.47 mA

1

-SC

AL = 5:

2047

/ 5 =

409

mm

= 20.47 mA

OFFSET

In

iti

al

curren

t which is

proportiona

l

to

the

se

le

c

ted

OFFSET. The

se

l

ected

an-

al

og

offs

et

on

ly appli

es

to

the

electric

8006740/1996-01

current

interface and

is

not

connected

to

the

display offset.

Range:

MODE 1.1: -

204

7

to

+

2047

mm

MODE 2.1: - 131 .071

to

+131.07 mm

3

Menu

Guide

Example:

see

Fi

gure 3

--------1 1447

0 0 o <

--

99

9

--

---

>:

•

0

Off

set -

999

, 1

-S

c

al

+ 7:

0

~..----

Off

se

t + 600

-'----

>-

x

(mm

)

Offset 0

O

ffse

t -9

99

Figure

3.

Relationship between 1-SCAL

and

OFF

SET

DISPLAY

This menu lets y

ou

se

t t

he

display and

the

digital interface.

De

fa

ul

t setting:

OFFSET

0mm

DIMMER

100

%

OFFSET

Additional

element

affecting

the

meas-

urement result display,

the

RS

232

in

-

terface and

the

Q1 and

Q2

sw

it

c

hin

g

output

s.

This offset

does

n

ot

affect

the

ana

l

og

curre

nt

interface.

Th

e offset

does

n

ot

change

the

se

l

ect

-

ed

sw

it

c

hin

g threshold.

Range:

MOD

E

1.1

MOD

E

2.1

- 2,047

to

+ 2,

04

7 mm

- 131,071

to

+1

31,071 mm

Functioning

pr

in

ci

pl

e:

Display

= measured value + offset

RS 2

32

= measured val

ue

+ offset

Q1 and

Q2

switching outputs:

Meas

ur

ed

value +

offset-1

/2 x h

ys

ter

-

esis

<

limi

t: Q = L

OW

Meas

ur

ed

value + offset + 1 /2 x hyster-

es

is > li

mi

t: Q =

HI

GH

Effe

ct

of

the

Display Offset

on

th

e

Switching

Output

s

see

Fi

gu

re

4.

27

8006740/1996-01

28

3 Menu Guide

Ex

ample

1

OFFSET=O

mm

LI

MIT 1 = 500 mm

H

YS

T1

=2mm

Measured value < 499 mm,

Distan

ce

< 499 mm: Q1 =

LO

W

Me

as

ured value >

501

mm,

Di

sta

nce

>

501

mm: Q1 = HIGH

0

0 0

0

Example 2

OFFSET=

100

mm

LI

MIT 1 = 500

mm

HY

ST1

=

2mm

Me

as

ured value < 499

mm

,

Distance

< 399 mm: Q1 =

LO

W

Me

as

ured va

lu

e >

501

mm

,

Dis

ta

n

ce

>

401

mm: Q1 = HIGH

0

~

--

measur

ing

range

---

o

-=

=

=~

oJ

Offset:

0

-999

2

04

7

0

---99999

+13

10

71

1

00

mm

-899 mm

2147 mm

0,

1 m

---99.899

m

13

1.171 m

Fig

ure

4. Effect

ofthe

OFFSET

par

ameter

1000 mm

1 mm

3047 mm

SOm

--49.999 m

1

81

.

07

1 m

2047 mm

1

1048 mm Mode 1.1

4094 mm

131

.071 m 1

31.072 m Mode 2.1

262.142 m

8006740/1996-01

DIMMER

Thi

s function lets

yo

u adjust the d

is

play

brightne

ss

.

Th

is

permits further reduc-

ing

the power consumpti

on

of

the

de-

vice.

Possible sett

ings:

0%

, 50

%,

1

00%.

lf a

va

lue

of0%

is

set, a point

is

shown

in

the l

ower

right

of

the alphanumeric

di

sp

lay

indic

at

in

g "power-on".

When

the

UP

or

DOWN

key

is

pr

essed,

the

display s

wi

tches back

to

100% brightness.

Th

en the dimm

er

can

be reset.

lf 50%

or

100% is set, the

dis

play

cont

in-

uously operates with the selected

brightness.

3

Menu

Guide

OUT

1/0UT2

This

fun

ction lets you configure

th

e

Q1

and

Q2

switchi

ng

outputs.

Default setting:

LIMI

T

1/

2 MODE 1.

1:500mm

MODE

2.

1:

50,000 mm

H

YST

1/2

N

ORM

1/2

Poss

ib

le settin

gs

:

LIMI

T 1

/2

Setting

of

the

switching point in mm

step

s.

LI

MIT

1 and

LIMI

T 2 are set se

pa-

rately.

Ran

ge:

MODE 1

.1

MODE 2

.1

H

YS

T1

/2

- 1

,9

47

to

+4,094 mm

- 130,971

to

+262,1 42 mm

S

ett

i

ng

o

fthe

switching hysteresis

in

2

mm

steps symmetrical

ly

to

the sw

itch

-

ing

point.

l

fthe

comb

in

at

ion

ofLIMIT

and H

YST

exceeds the me

as

uring

range, the pre-

va

il

ing

fin

al va

lue

of

the

measuri

ng

range is used

as

the

switchi

ng

value for

hys

te

resis.

Range:

Oto2

54mm

N

ORM

1

/2

ln

v

ert

ing

the switch

in

g outputs

(

HI

GH

/

LO

W quiescent condition)

Ex

ampl

e:

see

Fi

gure 5

29

8006740/1996-01

30

3

Menu

Guide

0 0 0

500

1000

am

-

0

.#

""'

m

ea

suring ra

nge

~

0

OJ

499

ft

501

L:

Q1

LI

MIT=

500

H

YST

= 2

NORM=

Q1

Q2

LI

MIT = 1000

HYST =

50

NORM=

Q2

Figure

5.

Co

nfiguration of

the

sw

itching outputs

AVERAGE

The

AVERAGE

fu

nction lets you calcu-

late

the

ar

i

thmet

ic average

for

n

meas

-

ured valu

es

.

Default setting:

MODE 1.1: AV

RG

=8

MODE 2.1: AVRG = 4

The

calculation of the average applies

to

a

ll

in

terfaces e

xcept

the

RS

232

in-

terf

ace. This

mean

s t

hat

the

di

spl

ay,

the

anal

og

output

and

the

sw

itching

out-

puts

are

upda

ted

usi

ng

the

average cal-

culation with n multiplied by

the

sys-

tem

cycle time. T

he

serial

RS

232

i

nter-

face is always

updated

us

in

g

the

system

cycle t

im

e.

Possible

se

tt

in

gs:

n = 1

/2

/ 4 / 8 /

16

/

32/

64

/

128

975

1

:

! 1

025

,:

1

Il

I

Note

lf n >1

in

calc

ul

at

in

g

the

aver

age, faulty

me

asu

remen

ts

such as ex

ce

ed

i

ng

the

meas

uring range,

in

t

er

ru

pt

i

on

of

t

he

light

beam

or quickly moving

ob

j

ects

can

ca

use

var

i

at

i

ons

in

the

fi

nal

result.

8006740/1996-01

RS

232

This function l

ets

y

ou

se

l

ect

the

RS

232

(V.24)

in

teti

a

ce

par

a

me

ters.

Default setting:

PR

ESET

9600

Baud, even

par

ity,

STOPB

IT

S

HNDSHK

P

ROT

7

data

bits

1

OFF

+/-

Character

frame:

Bit N

r.

1 2 3 4 5 6 7 8

0

s

tart

7 databits

bit

oder

9 10

1

/0

even

s

top

parity

bit

Bi

t N

r.

1

2345678

9

1 0

11

0

1

/0

1

S

tart

7 databits

even

sto

p

bit

parit

y bits

PRESET

Selecti

on

of

the

desired Baud

rate

9,

600

or4,800

Baud

STOPB

ITS

Numb

er

of

stopbit

s:

1

or

2

HNDSHK

Hardware

handshake

ON/O

FF

(CTS input

is

ignored)

PRO

T

1

Data o

utput

pr

ot

oco

l:

Ou

tput

of

th

e

m

eas

ur

ed va

lu

es

on t

he

se

ri

al RS

232

is

made accord

in

g to the

fo

llowing A

SC

II

code

fo

rmat:

+/- P

ROT

MODE

1.1:

MODE

2.1:

3 Menu Guide

SDDDD

SDDDDD

D

S = algebra

ic

s

ig

n

(+/-ASCI

I)

D

=

dec

i

ma

l characte

rs

(0 to 9 ASC

II

)

Da

ta

output

is

effected cyc

li

ca

lly with-

ou

t r

equest

using

the

system cycle

time.

CRLF

PROT

MODE

1.1: S D D D D

CRL

F

MO

D

E2

.1:

SDDDD

DDCR

LF

Data

output

is effected cyclically with-

ou

t_ r

equest

using

the

s

ys

t

em

cycle

time.

?

-P

RO

T

MODE

1.1:

MO

DE

2.1:

S D D D D

CRL

F

S

DD

D D D DCR

LF

D

ata

o

utput

is

eff

ect

ed

only after re-

ce

iving a

<?>

character

.

RS

232

Command

Sequences

The

co

mm

and

se

quences let

yo

u r

ea

d

status

me

ssages and

set

DME

20

00

pa-

rame

t

ers

us

in

g

the

serial i

nte

ti

ace

.

A

co

m

mand

sequence

has

th

e fo

ll

ow

-

in

g s

tr

ucture

:

HHHH STX

CCC

<

DD

> EOT

H H

ea

der char

acters

(any charac-

t

ers

b

es

i

de

s S

TX

and

EO

T)

ST

X St

art

ofT

ext

(

02H

= CRTL B)

CCC

3 ASCII charac

ters

(A

to

Z, 0

to

9). Each

comm

and

seque

nce

is

la

id

down

us

in

g an i

den

tifier

(s

ee

fo

ll

ow

in

g table)

DD 1 dat

as

tr

in

g(optional

ly2

,4o

r 6

ASC

II

characters)

EO

T End ofTransmission

(04

H =

CRTL D)

31

8006740/1996-01

3

Menu

Guide

Si

gnifican

ce

of

th

e l

den

tifiers:

ldentifier

Parameter

Range

MODE

Function

I

AC

00,0

4

1.1/2.1

Analog out

put

00

: 0

to

20mA;

0

4:

4to

20mA

IAO

-999

to 2

04

7 1

.1

O

ff

set analog output (mm)

-99999

to

13

10

71 2.1

I

AS

-128

to 0128

1.1

Scaling

of

analog

output

- 00128

to

0

00

128

2.1

(1-SCAL)

I

DD

0000.00

50

,0

10

0 1.1

/2

.1

D

is

pl

ay

dim

mer

(

%)

IDO

- 999

to

2047 1.1

Offset d

isp

l

ay

(mm)

-99999

to 13

10

71 2.1

IH

1

0000 to 0254

1.1/2.1

Hysteresis swi

tc

h

ing

outpu

t

OUT1 (mm)

IH

2

0000

to

0254

1.1

/2

.1

Hysteresis switching

outp

ut

OUT2

(mm)

I

L1

- 999

to

4094 1.1

L

im

it switching

output

OU

T1 (mm)

-99999

to

262142 2.1

IL

2

-999

to

4094 1.1

Li

mit switching

ou

t

put

OUT2 (mm)

- 99999

to

262

14

2 2.1

I

N1

00,01 1.1

/2

.1

Scal

ing

O

UT

1:

00: Q; 01: Q

IN2

00,01 1.1

/2

.1

Sca

lin

g O

UT

2:

00: Q;

01

: Q

IDA

01

...

08

1.1/2.1 Average u

si

ng

2(n-

1

)

meas

ur

ed values

MOD

11

,

21

Mode

se

l

ect

i

on

:

11

: Mode 1

.1,

21: Mode 2.1

GDB

1.1

/2

.1

A

LI

GN

:

Qu

ery path a

ttenuat

ion

(dB

),

Fo

rm

at

-

DDD

GSI

1 .1 /

2.1

ERRO

R STATUS:

Que

ry

err

or

sta

tu

s F

ormat

SDDDDDD

DD

, Allocation: see

chap. 3.4

ECM

1.1/2.1

E

xecute

continuous measu

re

ment

TSM

1.1 /

2.1

Trigger

si

n

gle

measurement

RST

1.1

/2

.1

R

eset

to

default values

32

8006740/1996-01

&Attention

Fau

lty

en

tri

es

such as

exceed

in

g

the

parameter

li

mi

ts

or

fa

lse

str

in

g

le

ngths

a

re

not in

ter

cep

ted and can cau

se

er

-

ro

n

eo

us measu

rement

res

ul

ts

l

E

xa

mple:

Request

for

pat

h a

tt

enua

tion and e

rror

sta

tu

s.

T

he

DME

co

ntinuously trans-

mi

ts

measu

rement

data

using the

CRLF-PROT

protoco

l class:

DME

2000

Partner

Device

SDDDD

CRLF

~

SDDDD

CR

LF

~

HHHH

STX

T

SM

EOT

~

HHHH

STXG

DBE

OT

SDDD

CR

LF

~

HH

STX

GS

I EOT

SD

DDDDDDD

CR

LF

~

HH

STX

ECM

EOT

SD

DDD

CR

LF

~

3

Menu

Guide

Remarks

Measurement value transmissions

in

MODE 1.1

Measurement

va

lue transmi

ss

ion

s

in M

OD

E 1.1

Trigger s

ing

le measurement

Request path attenuation

- DDD

= attenuation

Reque

st

error status

SDDDDDDDD

= error status

Execute continuous

measurement

Measu

rement value transmissions

in MODE 1

.1

33

8006740/1996-01

34

3

Menu

Guide

3

.4

Startup

Help

and

Error

Messages

(SERVICE)

This menu l

ets

you

select

the

following

service

pa

ra

meters:

ALIGN

TIME

INT.STAT

ERR.STAT

SER-NR.

RESET

ALIGN

Rec

ep

tion level display

to

assi

st

alignment

Oper

at

ing

time

display

Interface status: status

display

of

the

int

erface

cables

Error

status: display

of

the

system

error

status

Se

r

ial

number

of

the

de-

vice

Reset

of

a

ll

parameters

to

the

default values

This function assists alignment by dis-

playing

the

strength

of

th

e received

light

beam

in

dB.

This facilitates alignment

to

a reflector

at

grea

t distances.

The

device is

opt

im

a

ll

y

al

igned

when

the

recept

i

on

signal

di

splay sh

ows

i

ts

maximum value.

The

light

spot

on

the

reflector

is

an additional alignment aid.

lt

is

easily visible e

ven

at

great

dis-

tances.

TIME

This display sh

ows

the

number

of

hours

the

de

vi

ce

has b

ee

n

in

operat

i

on

since delivery.

INTERFACE STATUS

This function displays

th

e status of all

in

terface cables and

conse

quently fa-

c

ilit

ates t

ro

uble-sh

oot

i

ng.

The

lo

gical level of the

in

terf

ace

cab

l

es

is symbo

li

zed

as fo

ll

ows

:

LOW=

0,

HIGH=

1

The

in

terface

cables

are

a

ll

ocat

ed

as

follow

s:

Q1

Q2

Qp

Qs

S&H

CTS

DTR n

ot

a

ll

ocate

d

ERROR STATUS

The

m

ost

important

maintenance

alarms and

error

messages are dis-

pl

ayed

here

(0 = no

erro

r;

1 = error).

1 lncreasing change

of

the

me

asure-

me

nt

l

aser

qualities

2 lncreasing change

of

the

refe

rence

l

aser

qualities

3 T

emperature

inside

th

e housing

>5

0

°c

4 N

ot

allocated

5

Atte

nuation

or

soi

li

ng < - 120dB

6

RS

232

comm

uni

cat

ion

pro

blem

7

Not

allocated

8

Not

allocated

The

ma

intenance alarms 1

to

5 activ

at

e

the

Qs

service

output

(

see

chap 4.2).

Mai

nte

nance alarms which have

been

signaled

are

sto

red

in

me

mory

. They

are

con

firmed

(r

ese

t)

by pressing

ENTER.

SERIAL NUMBER

Display

ofthe

d

ev

ice

se

rial

num

berto

faci

li

tate

servicing.

RES

ET

After

se

lecting

RE

SET

and

ho

lding

dow

n

the

ENTER key

for

more

than

2

seco

nds,

all

parameters

are

rese

t

to

the

ir default values. T

he

sys

tem

is

then

res

tart

ed

.

8006740/1996-01

4

Corrective

Measures

The

DME

provi

des

the

fo

llowing help

for

trouble-shooting

or

avoiding

er-

ror

s:

IJl,,

ERROR STATUS

me

nu

(see chap. 3.4)

IJl,,

INTERFACE STATUS

menu

(see chap. 3.4)

IJl,,

Qp

pl

aus

ibi

l

it

y

outp

ut

(s

ee

chap. 4.

1)

IJl,,

Qs

Service

output

(see chap. 4.2)

IJl,,

ßlanking

in

put

(see

chap. 4.3)

IJl,,

Error

code

display (s

ee

chap. 4.4)

4.

1

Qp

Plausibility

Output

MODE

1.1

Measurement

results are checked

pe-

riodical

ly

(each

32nd

m

easurement)

for

plausibil

it

y.

lf

object

refiectance is

too

s

mall

( <

-120

dß

),

the plausibility

output

is

i

mm

e

di

ately act

iv

ated. l

ft

he

measureme

nt

r

esu

lt

is

fau

l

ty

, t he

Qp

switching

output

is s

et

to

LOW

signal.

Possible causes:

IJl,,

Object

not

in

the

me

asuring range

IJl,,

Great

object

ve

l

ocit

y along

the

measur

in

g p

at

h

IJl,,

Measu

ri

ng val

ue

fiu

ct

u

at

i

on

s due

to

excessively

sma

ll

object

refiect-

ance ( <

appro

x. 1

00

d ß)

Format

:

Qp

=

HI

GH:

correct

m

ea

s

uremen

t

Qp

= LOW : measu

reme

nt

error

4 Corrective Measures

MO

DE

2.1

T

he

plaus

ibil

i

ty

output

is immediately

activat

ed

if

the

pa

th

att

enuat

i

on

ex-

ceeds

t

he

sw

itching

th

re

s

ho

ld. T

his

can

be

t

ri

ggered,

for

ex

ample

, by a diffuse

refiect

ing

target

at

sho

rt

range.

1

Jl

I

Note

The

plausibi

lit

y output

does

not

affect

any

other

outpu

ts.

4.1

Qs

Service

Output

T

he

Qs

swi

tc

hing

ou

t

put

signals a pos-

s

ib

le

de

vi

ce

ma

lfun

ct

i

on

or a measure-

me

nt

problem

at

an

ear

ly s

tag

e.

T

he

ma

in

t

enance

al

arm is a

co

ll

ec

tive

signal fo

rthe

fo

llo

w

in

g possible prob-

lems

:

IJl,,

increasing change

of

the l

ase

r qua

li-

t i

es

IJl,,

tem

perat

ur

e

in

si

de

housing

> 50 °C

IJl,,

re

fi

ectance

exceeding l

imi

t

(Mo

de

1.1)

IJl,,

att

enuat

i

on/so

i

lin

g

exceed

i

ng

lim

it

(

Mode

2.

1)

T

he

ca

use of the

act

i

vated

servi

ce

o

ut

-

put can

be

further d

is

tinguished

in

the

ER

ROR STATUS

me

nu.

Fo

rma

t:

Qs

= HIG

H:

Devi

ce

o.k.

Qs

= L

OW:

mainten

ance

alarm

35

8006740/1996-01

36

4 Corrective Measures

4.3

S&H

Blanking

Input

This input l

ets

you

retain a

tra

nsi

tory

va

lu

e of

the

measure

m

ent

result

or

co

ntinual

ly

renew

the

measureme

nt

va

lu

es

in

acco

rdance with a sam

pl

e and

ho

ld

function.

Conse

qu

ent ly this function

is

suited

for

targe

t

ed

measurements

and l

og

i

cal

linking

of

o

utp

uts with

the

machine

logic ( e.g., suppression

of

u

nwant

ed

pr

ocesses).

Fo rmat:

S&H

=

HI

G

H:

The

most

rec

en

t val

id

m

easuremen

t

va

l

ue

is

stor

ed

fo

r

th

e d

ur

ati

on

ofthe

HI

GH l

eve

l.

All in-

terfaces

( display,

sw

i

tch

-

ing outputs,

RS

232,

ana

-

l

og

ou

tput)

signal t

hi

s

measurement

va

lue

for

t

he

d

urat

io

n of

th

e

H

IG

H leve

l.

S&

H =

LOW:

R

eact

ivation

ofthe

cyc

li-

cal

measurement

proc-

ess

wi

th

data

ou

tput

at

the

po

i

nt

of

time (asynch

ro

nous).

1

1l

I

Notes

.

~

The

A VRG average

eo

u

nter

is

reset

after

unb

locking

the

S&H

input.

~

The sam

pl

e and hold input affects

al

l o

ut

puts

.

4.4

Error

Code

Display

lf

the

D

ME

di

spl

ay

beg

ins

to

b

li

nk and

shows

an er

ror

code

after switching

on

the

power

supp

l

y,

the

dev

i

ce

m

ust

be

return

ed

to

the factory for repairs.

(Exception:

error

bi

t 6:

tempera

ture

insi

de

housing >

55

°C.

When

the t

em

-

perature

drops,

the

de

vice

is

op

era-

tiona

l once aga

in.

)

8006740/1996-01

5

Technical

data

Device

data

Supply

volt

age

Vs

Ripple

Power consumption

Light

source

Laser

protection

cl

ass

S)

Average s

ervice

life

(at

25

°

C)

Switching

outputs

01

, 0

2,

Op

, Os

Output v

oh:age

Output current

Ca

pacitati

ve

lo

ad

0

1

and

0

2

switching

outputs

Sw

itch

ing

lim

it

Sw

itch

ing hysteresis

Op

p

la

u

si

bi

li

ty output

Os

service

output

S

& H

Bl

anking

input

Anal

og

output

Serial

interface

Ba

ud

rate

V

DE

protection

clas

s

4

)

En

clos

ure

ra

ting

EM

C

Shoc

k resistance

Am

bient operating temperature

18

to

30 V

1

)

5 vPP

~6W

2

l

5

Technical

data

L

as

er diode (red l

ig

ht)

2/3N3B

(I

EC

825N

DE

083

7)

MTIF

50,

000 h

PNP

HI

GH

: Vs- ~2

V/

LO

W:

0 V

100

mA

3J

100

nF

lnve

rtib

le 0 /Q

Adj

ustabl

e in

mm

steps

Adjustable

in

2

mm

step

s:

0

to

254

mm

HIGH

: correct measurement /

L

OW

: measurement error

HI

GH

: De

vi

ce o.k

LO

W:

Mainte

nanc

e al

arm

HI

GH

:

~

10

V;

~Vs

LO

W:

~

2 V

or

bl

a

nk

HIGH

:

Storing

measu

re

d

value

L

OW

: Free-

running

0

to

20

mA

or 4

to

20

mA.

ad

justable

RS

232

4,8/9,6

kßaud, a

djust

able

[gJ

IP

65

IEC

80

1

IEC

68

-

10to45

°C

Storage temperature -

25

to

75

°C

Weight app

ro

x.

980 g

1)

Li

mit

va

lu

es

, reverse-polarity

pr

otected

2) without l

oa

d

3)

short

-c

i

rcu

it protected

4)

Wit

h

sta

nd

vo

ltage

30 V

5) dep

en

d

ing

on

des

ig

n

va

ri

a

nt.

see p

age

22

37

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SICK DME2000 Entfernungs-Messgerät Distance Measuring Devise Operating instructions

SICK DME2000 Entfernungs-Messgerät Distance Measuring Devise Operating instructions

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