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21X
MICROLOGGER OVERVIEW
OV6.
SPECIFICATIONS
ANALOG INPUTS
NUMBER OF
CHANNELS:
I
ditterenria,
o.
up
to
16
singl$ended.
Eacfi dilleren0al channol can bo
configured
ar
two
3ingllend€d
chsnnel3.
CHANNEL
EXPANSION:
The
f&del
Al,L16
Relav
Multigleret allows
atl
edditionet 64
sineb-end€d
channels
to
multipler
into
lour
21X
singllended
channels.
Up to tout Alt 416'3 cNn be @.rn€ctod
to
ona
2l
X.
ACCURACY OF VOLTAGE
IEASUREMENTS
ANO
ANALOG
OTJTPUT
VOLTAGES:
Drllerenoal and po3itivo
singleancl€d:
0.1% FSR (0.05%,
S4Oqc)
Negawo
slnglo.€nd€<l:
-
0.1s%FsR
(0.0o%,
o4oqc)
RANGE AND
RESOLUTION: Ranger
are softwate
ssledable
tor any
channel. Resolutbn lor
a
single
snded moasunttnent
i!
lwioo the
valuo
shown.
FullScrL
R.ng.
RElulbn
t'S000millivolts
3El3micto\rolt3
!
5OO
millivotts
Sl.3 mictorolB
i50millivolt!
3.341mic'orolts
i.
15
millivolt!
l.0Ombto\roll
i
5
miuivolt!
0.33
mictorolB
INPUT
SAMRE
MTES:
The fast A/O
corvor3ion
uses
a0.25
mt
sgnal
integration tirne and
the
slow
conversirn
u!e!
e 16.666 ms
ignal
antegra-
0on
(one
porct
line
ctdc
pcnod).
Clillerential
measuremenl!
includo
a
!o@nd
3atnpling
witt
reve6ed
input polatity
to
t€duce
thormal oftset and
common mode
ettofJ.
Input
lxltflplo
rat6
atg
tr1o
nme
reouired to
moalule
and
corwen
tho re3ull
lo
engineonng
uniB.
Fast
singloondod
volla0o:
2.4 m3
Fastdifferentialvolhge:
3.7
m3
Slow
singbend€dvolu{e:
18.8
m3
Slow
ditferontal
volt,aoe:
37.0 ms
Fastditterentialfiermooouple:
7.3m3
INPUT NOISE
VOI.TAGE:
Fast
diflerendal
--
0.82
micovolE
RMS
Slorvdiflerential
--
0.1
micto\roltsRMS
COMIION
i,lOOE
RAI*GE:
t,5
vdl3.
OC
CoMr,ON
i/iOO€ REJ€CTION:
>
!4o
dB.
NORIVIAL
I,OOE
REJECTIOI',1: 70
dB
(60 Hz
wiill
3tow
diftorential
tne.lurameno.
INPUT
CURREIIT:
2 nanoatnps ma.ltmum.
INPUT
RESISTANCE:
20o
g[ohms.
ANALOG OUTPUTS
NUMBER OF
ANALG
OUTruTST
4
!wiEh.d,
2
cononuout.
DESCRIPTION:
A switchod
ot/tpu
i!
*dve
o.lly
dtnitB
a
moasuromonl and
i!
lwitchod ofi
(hioh
tm'
pedat'tco)
imtn€dbbly
loltordng
thc
me8lureme{rl
onv
on3 3wirch€d
olpul
catr
bc
*lwo
alatry on
dme.
The
2
contiruou! ouFutt
hold
e
prelot Yoll'
age
untilupdabd
by an
anabg
ouFuoommand.
RAI{GE:
i5
vdt3.
RESOLUTIOI{:
0.67
millivolE.
ACCUMCY:
Sern€
a3
t
olla0e
input.
OUTPUTCURRENT:
Sryitctred: 20 mA
€l.tS
V,
50 tnA
€t
a.
2.5 V.
Continr.ro.E:_
latno
@
+V, 5
mA
@
-V.
(Conlult
hort
il highcr
frequoncic
8to
delitod.)
UGITAL
CONTROL OUTPUTS
Th.
21
X
inctrd.r
c
dilrl
contol ouFutr
ttrt
c.n
bo
3er oa
ntaar
on
oomtnrrd.
OT
TPUTVOLTAGES(tplod):
high
swllt
f,
o.1volq
h
<
0.1 YolL
OUTPUTRESISr
NCE:
'oo(I
The
folloriqg
elecrical 3p€ctfica*mt
.rc
vald
b
sn
srsiatlt
tomparstrlta rsngc
of
'25
b
+SOoC
unl$s
oth€(tfl3€ speofied.
RESISTANCE
AND
COT{DUCNVTTY
IIEASUREIIENTS
ACCUMCY:
0.035%
(0.04
0
b
llot)
ot tull scalo
bridgo orrPut,
limibd
by thc
me&hing
bridlp tesi!-
b(t.
Tho
orcitilirn
Ydlreo
lhoub
b.
progre,nm.d ro
tha
b?6ea
outpril
mrrhcs
rhc
lutt
rcd.
inputvoltf.
rsttoo.
ITEASUREMENT
TYP€S:
Ruire
end
t-wiro tul
b.idge,
.t{i'e,
}wi'|,
rnd
2-wire
hdl
bridgo.
&idgo
meelrrrerncntt ata
ratoflraric
atld
dud
poleriry
o
climinar
0||ilrd
omft.
AC
ociltat1c.
mealuD.ncntt ula
I
duc
aolatiu
0.75
tnt
ercitalon
pulla
bt
ionic depolatization, with
the
signal
inl€e..lon
ooanrnng over tho
lall
0.25
m!.
PULSE COUNTERS
NUITBER
tr
ruLSE
COT
NTER
CMNNELS:
a etght
ut
or
2
drtaen
tic rotilara !.lcctNdc.
IUXnTMCOUNT
RATE:
2550
Hr. cighl
ulcounler;
25O
l+lz.3irloon l*tcounlei' Pulsl
cDr.lnrr
cfirrnalt
atc
lcrrvrad
rt
a
msrimum
rato
ol
1O
l'h.
lttOOES:
SHtdl
dolutt,
hEh
tt.qu.tlct
pul!.,
end
low
lorC
AC.
swrrct{cLosuRE
rrcDE
Minimum
Suid
Clo..d Timc:
3
millirccondr.
Minimurn
9ridt
Oprn
Ttmc:
4
tnillit
co.ld3'
lvlerimum
Eouncr
Tirno:
t
rndliocono
open
wiUlout balt|g
counEd.
H|GH FREOTJEI{CY
PULS€
I'OOE
Minirnum
Pulr
l'Vtdth:
o.@2 milli!.condc.
M.imum
tngur
Fnqrfrt:
25O
hFtl.
Votuoo
Thortpldr:
Couil
upo.t ransiDon
trorn
Udo
1.5
V
D rbovo
3.5 V.
lvlarimum lnput
Volt
et
:
r.20 V'
LolflLEVELACTME
(Typcelof
mrenrdc
pulla
lb
mruduc.tl
or
dUra
|ow
vottrgo,
ina
w$lc ouputt).
Minimum AC
ktPut
Voltrec:
6
mv Rl/F.
Inputlty$.rai3:
1t
mV.
irlerinrrlnr
AC krput
Voltreo:
20
V
RlrS.
Freqrnq
argpr
m nartolumn.
Freqrtq
Rrngo:
AC
Input
(Rtl3)
20
mv
50
mv
r50mvD20v
Rrngo
1
Hz
ro
1(x' Hz
0.5 Hz
D
400
l'tz
0.3
lC
b
t00O
ltz
ov-l8
TBANSIENT
All
inDut
and
outrut
connocoor'ls
spark gaps connectod direcdy
lo
t|e
circurt
catd
beu€en
fie
uo
Tho
12
volt power in9ut
atld
Drolectod wtth tran3zorbs
CPU
AND
PROCESSOR:
Hitachi
630(1.
]r,l€IDRY:
32K
ROM,64X
RAM.
1
9.296 low resolution data
DISPLAY:
I
digit LCD
(0.5.
PERIPHERAL
IMTERFACE:
9
slorage rnodule, modem,
732
&aplot.
Baud
rater
sooand
76,800.
CLOCK
ACCUMCY: r. t
i/tAXIMUM PROGRAM
E
lasl(s
iniiabd
an
lyncwllh
Ons measrrcment
wi't
dall
f|ig
rate
wl'loul
InterrupDon.
SYSTEII
POWER
VOLTAGE:
9.6
to
15
volt!.
TYPICAL CURRENT
DPAIN:
1
25 mA during ptocessing,
analog
messuremenl.
INTERNAL
BATTERIES:
The
2t
Alkeline
tf
ce||t with
7
Aht
2l
XL
includer
lealed
2.5 Ahr
capaoty
por
chaoo
are rechargod hom an
sourca (e.9.,
soLt
Panel, e
ctuded
1
10
VAC
E
18
VOC
EXTERNAL
BATTERIES:
ANY
T
conn€cl€o
a!8
pfrmary
bane,ies p.ovide
badup
t9ries aro changgd.
PHYSICAL
SIZE:
E.?
X
5./
X
3.tr.
lnpul
0.4t
above the Penel
WEIGHT:
62
lbr.
Throe
yee'r agsinll
defocE
in
woftmenthip.
uslng
cooqE
bat
3ti0s.
2rx
Final
iromory
TE: System
u9 to 80
Hz
rs
possrore
Ounng
red by
I
The
l/bdel
e
Daneno3
wtn
21XL banenes
ro
30
vDC
baneay,
ot
rn-
banery can
oe
me
exlernal
Dat-
NONS
Slnos
grton6
WAR
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