©
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
Ω
fu
ll sc
al
e, or bet
te
r
th
an
0.
01
Ω
r
e
so
lu
tion
o
n
lo
w
e
st r
a
nge
Ac
cu
ra
c
y
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
r
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
Ω
ty
pical
±
5
Ω
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
s
(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
s
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
r
div
ider
co
nfig
ur
ati
o
n,
fo
r m
easu
rin
g
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
r
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
s
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
Ω
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
r
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
s
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
r
sw
itch
clo
su
re
s,
500
kH
z
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
s
ov
er th
e l
oggi
ng
int
erv
al.
REL
A
Y OUTPUTS
2 S
P
D
T
relay
s fo
r
pow
erin
g
up
se
ns
ors
, o
r f
o
r
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
s
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
s
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
k
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
r
pa
ck
ag
es,
e.
g.
Ex
cel, L
o
tu
s
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
E
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
e
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
k
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
s
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
e
ev
ent
of
a p
o
w
e
r s
u
pp
ly
failu
re.
ENVIRON
M
ENTA
L
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-
1
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
s
SI
ZE/
WEI
GHT
280
x
220 x
140m
m / 2.
7k
g.