background image

 

 

©

 2006 Delta-

T

 Devices Ltd

 

 

   

 v1.1 

 

Page 11

 

RESI

ST

A

NCE REA

D

IN

GS 

 

A

u

tor

a

ng

in

g 12

-bit

 v

o

ltage re

ad

in

gs w

ith 

pro

g

ra

mmab

le 

2,

 2

0

, 20

0 or 20

00µA

 ex

cita

tio

n

, g

iv

ing 

1M

 fu

ll sc

al

e, or bet

te

 

 

th

an

 0.

01

 r

e

so

lu

tion

 o

n

 lo

w

e

st r

a

nge  

Ac

cu

ra

c

 

A

s v

o

ltage

 re

ad

in

gs,

 w

ith ad

dit

io

n

al

 er

ror

s:  

 

Logge

r t

e

mpe

ratur

e

 

 

15 to

 2

5

°C

 

 

   -

20 

to

 +6

0°C

 

 

 

2µA

 ex

citati

on

  

     

    

   

    

 ±

0

.3% 

read

in

g  

 ±0.

6

% r

e

ad

ing 

(to

 +50°C)

  

 

oth

e

ex

citati

on

 c

urre

nts

  

     

    

±0

.0

5% r

e

ad

ing  

±0.

1

% r

e

ad

in

g  

 

2-w

ire LA

C1

, A

CD1  

  ±5

 ty

pical

  

   ±

5

 ty

pica

l  

INPUT PROTECTION 

 

An

a

log

ue

 in

pu

ts wi

th

st

an

d

 ±

15

V

 co

nt

in

uo

us

ly

, a

nd

 muc

h

 h

igh

er

 v

o

ltag

es i

n

 b

rie

f p

ul

se

(500

V 1

.2

/50

µs)

. For

 a

d

di

tio

na

l  

 

pro

te

cti

on,

 s

ee 

LP

R

1V

 bel

ow

  

A

T

TENU

A

TO

R

 C

A

RD,

 

 

F

or u

se

 w

ith S

tan

dar

d A

nalo

gu

e C

ard 

LA

C

1 o

nly

. P

rov

ides so

ck

et

ed 

po

siti

on

s f

or m

ou

nti

ng si

gn

al 

co

nd

iti

o

ni

ng 

re

sis

tor

to  

LPR1 

 

30 

ch

an

nel

s. R

e

si

sto

r p

o

si

tion

s may

 be

 lef

t v

a

can

t or 

re

si

sto

rs

 fit

te

d

 in

 s

hun

t o

div

ider 

co

nfig

ur

ati

o

n,

 fo

r m

easu

rin

cu

rr

ent

s  

 

up 

to 

0.

1A

 or

 v

o

lta

g

es

 u

p

 to

 ±

50V

 re

spe

ctiv

e

ly

  

INPUT PROTECTION 

 

Co

n

ne

cts

 tr

an

si

ent

-ab

so

rbi

ng

 v

a

ri

st

o

rs t

o 30

 St

an

da

rd

 An

al

og

ue

 Ca

rd

 in

p

ut

s, or

 12

 4

-w

ir

e

 ca

rd

 in

pu

ts,

 fo

in

p

ut

 pr

ot

ec

tio

n

 to

  

CA

RD

, L

P

R

1V 

 

2kV

 1

.2/

50µ

s. A

ls

o p

rov

ides

 s

oc

ket

ed 

re

sis

tor

 p

osi

tio

ns 

for

 si

gn

al 

co

nd

ition

in

g, 

but

 o

nly

 w

hen

 u

se

d w

ith LA

C

1

 (a

LP

R

1

  

 

abov

e). C

an 

ca

us

e si

gn

ifi

ca

nt i

na

cc

ura

ci

es w

he

n me

as

ur

in

g r

esi

st

an

ce

s >10

0k

  

 

Digita

l I

npu

ts

 a

nd Out

puts

 

 

DI

GI

T

A

L I

N

PUTS 

 

A

ll lo

gg

ers

 h

a

ve

 2 re

sid

e

nt

 1

6

-b

it 

co

unt

e

ch

an

ne

ls 

th

at 

con

tin

uo

us

ly

 monit

o

r lo

gi

c l

e

ve

ls 

or 

sw

itch 

clo

su

re

s, lo

ggi

n

g di

git

a

l  

 

sta

tu

s, 

co

unt

or f

req

ue

ncy

 (up

 to

 1

00H

z), 

or 

for

 tr

ig

geri

ng 

sp

ec

ial

 lo

ggi

ng 

se

qu

en

ce

s  

COUNTER C

A

RD,

 DLC1 

 

E

a

ch D

L

C

1

 car

d

 p

rov

ides 

up

 to

 1

5

 e

xtra 16-

bit

 co

un

te

r or 

fr

eq

uen

cy

 cha

nne

ls.

 Max

imum fr

equ

en

cy

: 500H

z f

o

sw

itch 

clo

su

re

s,  

 

500

kH

fo

r 5V

 lo

gi

c lev

e

l s

ig

nal

s. E

very

 cha

nn

el 

ca

n r

e

co

rd

 u

p t

o 6

54

72

 co

unt

ov

er th

e l

oggi

ng 

int

erv

al.  

REL

A

Y OUTPUTS 

 

2 S

P

D

T

 relay

s fo

pow

erin

up 

se

ns

ors

, o

r f

o

pr

ov

idin

g al

arm

s o

r ma

lfu

n

cti

o

n w

a

rni

n

gs

. 1

A

, 24V

 r

a

ting

.  

 

Oth

er Sp

ecificatio

n

 

PROCESSING

 

 

T

he D

L2e 

co

nv

erts r

e

ad

in

gs

 in

to 

en

gin

e

erin

g u

n

its 

usi

ng l

o

ok

-u

p ta

bl

es 

or 

a li

ne

ar 

co

nv

ersio

n

 y

 = mx

 + c. U

ser

 ex

pan

d

ab

le

  

OF RA

W RE

A

D

INGS 

 

se

ns

or

 li

b

ra

ry

 in

clu

d

es

 Del

ta-

T se

nso

rs (

pa

ge

s 15

-1

8

), Pl

a

tin

u

m

 Res

is

tan

ce Th

er

mo

met

ers

, The

rmis

tor

s (

F

en

w

a

l 2

K

, 2

K

25

2,

  

 

10K

 a

n

d 1

0

0K

 ty

pes)

, a

n

d T

h

ermoc

oup

le

s (

ty

p

es J

, K

 an

d T

).

 C

o

ld

 ju

nc

tion 

tem

per

at

ur

e i

s mea

sur

ed

 at

 is

ot

herm

al t

e

rmi

n

al

s.

  

DISPLA

Y

 

 

A

 2-li

ne 

LC

D

 s

h

ow

s insta

n

ta

ne

ou

out

put

 fr

om 

any

 sens

or

 (i

n e

n

gi

neer

ing 

un

its

 if 

ap

pr

op

riat

e),

 tim

e

, bat

te

ry

 and memo

ry

  

 

con

d

itio

n, 

an

d s

tat

us m

e

ss

ag

es

, w

ithou

t d

ist

ur

bi

ng 

log

g

in

g.  

ME

MOR

Y

 

 

H

ighly

 reli

abl

e C

M

O

S

 R

A

M, doub

le 

bat

tery

-ba

ck

ed.

 E

xpandab

le 

fr

om 6

4

re

adi

ng

s (

st

a

ndar

d) 

to

 12

8k

. A

u

to

mati

c R

A

M c

h

ec

k.  

DA

T

A

 F

O

R

M

A

T

 

 

A

S

C

II, ea

sily

 load

ed i

n

to

 ma

ny

 spre

ads

he

et

s a

n

d ot

he

pa

ck

ag

es,

 e.

g. 

Ex

cel, L

o

tu

1-

2-

3.

 Tra

n

smit

te

d r

e

ad

ing

s a

re

 d

a

te

/time

  

 

stam

pe

d, 

an

d l

a

be

lle

d i

n

 en

gin

e

erin

g u

n

its w

ith e

rr

o

rs

 flag

ge

d. D

a

ta

 fil

e

s cr

eat

ed

 by

 the 

LS

2e 

sof

tw

a

re 

are

 c

o

mma s

e

pa

ra

te

d.

  

IN

T

E

R

F

A

C

 

R

S

-232 se

rial, up

 to 960

0

 ba

ud.

 U

p

 to 100

00

 r

e

ad

in

gs

 tra

n

sf

erre

d per

 mi

nut

w

itho

u

t dis

tu

rbin

g

 lo

gg

in

g. 

 

POWER 

 

6 in

te

rn

al A

A

 al

ka

line 

ce

lls

 ty

pical

ly

 prov

ide 

pow

er f

or

 500

re

adi

ng

s, 

or 

24 

ho

ur

s’ 

op

era

tio

n u

sin

g t

he

 k

ey

p

ad/LC

D

 o

r R

S

-2

32

  

 

inte

rf

ac

e, 

or 

12

 mont

hs’

 q

u

ie

sc

en

t o

per

ati

o

n.

 A

n

 ex

ternal 

7-

15V

 D

C

 s

u

pp

ly

 can 

be 

us

ed

, w

ith the

 al

kal

in

e

 b

a

tteri

e

pr

ov

iding 

 

 

a b

a

ck

-up.

 The

 int

e

rn

al 

lit

hium 

ce

ll w

ill r

e

ta

in

 d

a

ta

 fo

r 2

 mont

hs

 in

 th

ev

ent 

of 

a p

o

w

e

r s

u

pp

ly

 failu

re.

  

ENVIRON

M

ENTA

 

O

per

ati

ng 

temp

er

atu

re:

 -

20 

to +

60°

C

. IP

65 w

eat

he

rp

roof

 mai

n

 c

a

se

 w

ith d

e

si

cc

an

t a

n

d h

u

midi

ty

 indic

a

to

r. 

 

EM

C CONFOR

M

IT

Y

 

 

T

e

ste

d

 to

 com

p

ly

 w

ith E

N

 500

81-

and

 E

N

-50

0

82

-1

 (

199

2)

 h

a

rmo

n

is

ed

 emis

si

on

s a

n

d im

munity

 sta

n

da

rd

 

SI

ZE/

WEI

GHT 

 

280

 x

 220 x

 140m

m / 2.

7k

g.  

Summary of Contents for DL2e

Page 1: ...DL2e Data Logger 64 Channel Research Grade Logger with support for a comprehensive range of sensors Quick Start Guide Version 1 1 Delta T Devices Ltd ...

Page 2: ...ry pack type LBK1 Battery charger Many compatible sensors are available too many to list here Overview The DL2e can log up to 128 000 readings on up to 64 channels It has a wide choice of input cards for recording DC AC voltage resistance counts frequency and status The software is easy to use and supports most sensors GSM modems and automatic data collection is possible from remote sites It is ba...

Page 3: ...cable Cold boot Reset Stop 15 30 channel slider External power connection Power supply selection link RS232 connector Power supply links for channel 63 and 64 Ribbon cable connector blocks Terminal groups 46 60 31 45 16 30 1 15 On board thermistor switches for channel 1 Digital Channels 61 62 Warmup or Relay channels 63 64 Removable screw terminal block for channels 1 5 ...

Page 4: ...ms Dataset Viewer to inspect files containing files of logged data Dataset Import Wizard to import data into Microsoft Excel Start New DL2 Control Panel 1 Connect the DL2 to the PC s serial port using the supplied serial cable New DL2 Control Panel 2 Double click on the New DL2 Control Panel icon on your desktop 3 A DL2 Connections Properties dialog box will open Click Help for comprehensive onlin...

Page 5: ...Tutorial Kit components as shown here using the screwdriver provided 2 Plug the terminal blocks back in to the terminal panel OFF 1 2 3 Set the two slider switches UP to the ON position top right of terminal board to connect channel 1 to a thermistor on the terminal board It can be used as the cold junction reference for thermocouples 3 Set up LAC1 Input Card Open the logger and ensure that an LAC...

Page 6: ...f reports as the logger checks RAM chips installs a DEFAULT logging program and goes to sleep 5 Inspect the Sensor Readings Before logging data always check the sensors readings are OK Check readings via the DL2 keypad and LCD 1 Wait for the logger to sleep 2 Press WAKE and interrupt the General Status Report by pressing READ almost immediately General Status Report message sequence on keypad afte...

Page 7: ...supplied are 1 so readings may differ a little from the nominal values 6 Reprogram the Logger 1 On the Logger panel of the DL2 Control Panel click Retrieve to upload a copy of the existing DEFAULT program in the logger An Application Notes box also opens 2 Examine the ch 1 15 tab Each row represents a channel 3 You have to tell the logger which input card is connected to each terminal group Select...

Page 8: ...ogger 16 Check your new program name appears on the Logger panel 7 Start Logging 1 Open the DL2 Control Panel by double clicking on the My Logger icon on your desktop On the Logger panel click on Start to display the Start Logging dialog The start can be deferred until a set time or until a logic condition is met on the counter channels 61 or 62 2 Click OK to start immediately Note you can click o...

Page 9: ...settings must allow macros to run refer to Excel Help 3 Dataset Import Wizard will report that it has installed successfully and will add the Import Dataset s to the File menu 4 To Start Dataset Import Wizard Start Excel select File Import Dataset s from the menu and follow the on screen instructions 5 Look for DL2 Dataset Files of type bin hfd or dat Online Help Note that LS2Win has a detailed on...

Page 10: ...S1904 types are measured over 200 to 850 C In the 17 to 57 C range of Logger and Pt100 temperature resolution of 0 01 C and accuracy of 0 2 C are obtained AC DC INPUT CARD Each ACD1 card provides 15 measurement channels which may be individually configured for AC voltage true rms DC voltage ACD1 differential 2 or 3 wire resistance DC and resistance specifications are the same as for LAC1 VOLTAGE R...

Page 11: ...el signals Every channel can record up to 65472 counts over the logging interval RELAY OUTPUTS 2 SPDT relays for powering up sensors or for providing alarms or malfunction warnings 1A 24V rating Other Specifications PROCESSING The DL2e converts readings into engineering units using look up tables or a linear conversion y mx c User expandable OF RAW READINGS sensor library includes Delta T sensors ...

Page 12: ...esiccant Exceeding this temperature may cause the glue sealing some types of desiccant package to melt When the water has been driven off remove the capsules or bags and seal them in a plastic bag to cool down until they are ready for use Legal Notices This product uses software code It should not be used in safety critical applications or where consequential loss may occur It is the responsibilit...

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