Download Campbell 21X Operator`s manual

21X MICROLOGGER OVERVIEW
OV6. SPECIFICATIONS
The folloriqg elecrical 3p€ctfica*mt .rc vald
NUMBER OF CHANNELS: I ditterenria, o. up to 16
singl$ended. Eacfi dilleren0al channol can bo
configured ar two 3ingllend€d chsnnel3.
CHANNEL EXPANSION: The f&del Al,L16 Relav
Multigleret allows atl edditionet 64 sineb-end€d
channels to multipler into lour 21X singllended
channels. Up to tout Alt 416'3 cNn be @.rn€ctod
to ona 2l X.
ACCURACY OF VOLTAGE IEASUREMENTS ANO
ANALOG OTJTPUT VOLTAGES:
Drllerenoal and po3itivo singleancl€d:
0.1% FSR (0.05%, S4Oqc)
Negawo slnglo.€nd€<l:
0.1s%FsR (0.0o%, o4oqc)
-
RANGE AND RESOLUTION: Ranger are softwate
ssledable tor any channel. Resolutbn lor a single
snded moasunttnent i! lwioo the valuo shown.
R.ng. RElulbn
t'S000millivolts 3El3micto\rolt3
! 5OO millivotts Sl.3 mictorolB
i50millivolt! 3.341mic'orolts
i. 15 millivolt! l.0Ombto\roll
i 5 miuivolt! 0.33 mictorolB
FullScrL
2.4
3.7
18.8
37.0
diflerendal
PULSE COUNTERS
tr
ruLSE COT NTER CMNNELS: a etght
NUITBER
ut or 2 drtaen tic rotilara !.lcctNdc.
IUXnTMCOUNT RATE: 2550 Hr. cighl ulcounler;
25O l+lz.3irloon l*tcounlei' Pulsl cDr.lnrr
cfirrnalt atc lcrrvrad rt a msrimum rato ol 1O l'h.
lttOOES: SHtdl dolutt, hEh
low lorC AC.
OC
tt.qu.tlct pul!.,
unl$s oth€(tfl3€ speofied.
TBANSIENT
H|GH FREOTJEI{CY PULS€ I'OOE
Minirnum Pulr l'Vtdth: o.@2 milli!.condc.
M.imum
tngur
Fnqrfrt:
upo.t ransiDon
1.5 V D rbovo 3.5 V.
trorn Udo
lvlarimum lnput Volt et
m3
m3
25O hFtl.
Thortpldr: Couil
Votuoo
: r.20 V'
ms
LolflLEVELACTME
lb
mruduc.tl or
(Typcelof mrenrdc pulla
dUra |ow vottrgo, ina w$lc ouputt).
Minimum AC ktPut
Voltrec: 6 mv Rl/F.
Inputlty$.rai3: 1t mV.
CPU AND
PROCESSOR: Hitachi
630(1.
]r,l€IDRY: 32K ROM,64X
1
RAM.
DISPLAY:
I
digit LCD (0.5.
PERIPHERAL IMTERFACE: 9
slorage rnodule, modem,
732 &aplot. Baud rater
sooand 76,800.
CLOCK ACCUMCY: r. t
TE: System
u9 to 80 Hz
i/tAXIMUM PROGRAM E
lasl(s iniiabd an lyncwllh
Ons measrrcment wi't
f|ig
rate
wl'loul
dall
Freqrtq
VOLTAGE: 9.6 to 15 volt!.
TYPICAL CURRENT DPAIN:
25 mA during ptocessing,
analog messuremenl.
1
tf
EXTERNAL BATTERIES: ANY
conn€cl€o a!8 pfrmary
bane,ies p.ovide badup
t9ries aro changgd.
PHYSICAL
Rrngo
1 Hz
0.5 Hz
0.3 lC
r50mvD20v
(Conlult
INPUT RESISTANCE: 20o g[ohms.
hort
ro
SIZE: E.? X 5./ X 3.tr. lnpul
b
WEIGHT: 62 lbr.
D
1(x' Hz
400 l'tz
t00O ltz
0.4t
above the Penel
il highcr frequoncic 8to delitod.)
WAR
Throe yee'r agsinll defocE in
UGITAL CONTROL OUTPUTS
ANALOG OUTPUTS
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:
€l.tS V, 50 tnA €t a. 2.5 V.
latno @ +V, 5 mA @ -V.
Sryitctred: 20 mA
Continr.ro.E:_
ov-l8
Ounng
INTERNAL BATTERIES: The 2t
ce||t with 7 Aht
Alkeline
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
Rrngo:
AC Input (Rtl3)
20 mv
50 mv
INPUT CURREIIT: 2 nanoatnps ma.ltmum.
2
rs possrore
InterrupDon.
T
red by
I
The l/bdel
e Daneno3 wtn
21XL banenes
ro 30 vDC
baneay, ot rnbanery can oe
me
exlernal Dat-
Freqrnq argpr m nartolumn.
NORIVIAL I,OOE REJECTIOI',1: 70 dB
(60 Hz wiill 3tow diftorential tne.lurameno.
ANALG OUTruTST 4 !wiEh.d,
2rx
Final iromory
9.296 low resolution data
irlerinrrlnr AC krput Voltreo: 20 V RlrS.
t,5 vdl3.
CoMr,ON i/iOO€ REJ€CTION: > !4o dB.
NUMBER OF
cooqE bat
3ti0s.
SYSTEII POWER
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.
m3
uslng
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
end
swrrct{cLosuRE rrcDE
-- 0.82 micovolE RMS
-- 0.1 micto\roltsRMS
COMIION i,lOOE RAI*GE:
(0.04
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!.
INPUT NOISE VOI.TAGE:
Slorvdiflerential
+SOoC
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.
ACCUMCY: 0.035%
Fastditterentialfiermooouple: 7.3m3
Fast
srsiatlt tomparstrlta rsngc of '25 b
IIEASUREIIENTS
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 antegra0on (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.
volla0o:
Fastdifferentialvolhge:
Slow singbend€dvolu{e:
Slow ditferontal volt,aoe:
sn
RESISTANCE AND COT{DUCNVTTY
ANALOG INPUTS
Fast singloondod
b
Th.
21
X
inctrd.r c dilrl contol ouFutr ttrt c.n bo
3er oa ntaar on
OT
oomtnrrd.
TPUTVOLTAGES(tplod): high
f,
o.1volq
h
< 0.1 YolL
OUTPUTRESISr NCE:
'oo(I
swllt
woftmenthip.
NONS
Slnos grton6