ParTech 7300w2 Monitor User manual

INSTRUCTION MANUAL
7300w² Monitor
Issue 22

7300w² Monitor Instruction Manual
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7300w² Monitor Instruction Manual
Table of Contents
1 For word.......................................................................................................................................................................... 5
1.1 Manual Conv ntions................................................................................................................................................ 6
1.2 Wat rWatch² Trad mark.......................................................................................................................................... 6
1.3 Scop of Manual...................................................................................................................................................... 6
1.4 Ext rnal S nsors..................................................................................................................................................... 6
2 Saf ty Pr cautions........................................................................................................................................................... 7
2.1 G n ral.................................................................................................................................................................... 7
2.2 El ctrical Installation................................................................................................................................................ 7
2.3 Op rating................................................................................................................................................................. 7
2.4 S rvic and Maint nanc ........................................................................................................................................ 8
2.5 End of Lif Disposal................................................................................................................................................. 8
3 Installation....................................................................................................................................................................... 9
3.1 M chanical Installation............................................................................................................................................ 9
3.2 Installation Consid rations...................................................................................................................................... 9
3.3 Fixings................................................................................................................................................................... 10
3.4 El ctrical Installation.............................................................................................................................................. 11
3.4.1 Gland Configuration.................................................................................................................................... 11
3.4.2 DC Pow r Conn ctions..............................................................................................................................12
3.4.3 AC Pow r Conn ctions............................................................................................................................... 12
3.4.4 S nsor Conn ctions...................................................................................................................................12
3.4.5 Ext nding S nsor Cabl s........................................................................................................................... 13
3.4.6 R lay Outputs (Alarms).............................................................................................................................. 14
3.4.7 Analogu Outputs....................................................................................................................................... 14
4 Basic Op ration.............................................................................................................................................................. 17
4.1 K ys and Scr n Navigation................................................................................................................................. 17
4.1.1 M nu Button............................................................................................................................................... 17
4.1.2 Navigation Buttons...................................................................................................................................... 17
4.1.3 OK Button................................................................................................................................................... 17
4.2 D fault Configuration............................................................................................................................................. 17
4.2.1 El ctrod s, S nsors and M asur m nts D finition....................................................................................17
4.3 M asur m nt Display Mod .................................................................................................................................. 17
4.3.1 Tr nding Display Mod ...............................................................................................................................18
5 Syst m Configuration..................................................................................................................................................... 19
5.1 Monitor Config M nu............................................................................................................................................. 19
5.1.1 Bl p r........................................................................................................................................................ 19
5.1.2 Backlight..................................................................................................................................................... 20
5.1.3 Contrast...................................................................................................................................................... 20
5.1.4 Languag .................................................................................................................................................... 20
5.1.5 S t Tim /Dat ............................................................................................................................................. 20
5.1.6 Enabl S rvic Mod .................................................................................................................................. 21
5.2 Expansion Config.................................................................................................................................................. 21
5.2.1 Expansion Status........................................................................................................................................ 21
5.2.2 Add Expansion............................................................................................................................................ 21
5.2.3 Expansion Box Config M nu......................................................................................................................22
5.2.4 Changing Expansion Modbus Addr ss.......................................................................................................22
5.2.5 Expansion Box PN224920 – Singl Analogu Input...................................................................................23
5.3 S nsor Config........................................................................................................................................................ 24
5.3.1 S nsor Status............................................................................................................................................. 24
5.3.2 Add S nsor................................................................................................................................................. 24
5.3.3 S nsor Config............................................................................................................................................. 24
5.3.4 S nsor R moval......................................................................................................................................... 25
5.3.5 Changing S nsor Modbus Addr ss............................................................................................................ 25
5.3.6 D fault Modbus Addr ss s......................................................................................................................... 26
5.3.7 M asur m nt Config..................................................................................................................................26
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7300w² Monitor Instruction Manual
5.3.8 M asur m nt Status................................................................................................................................... 26
5.3.9 Add M asur m nt.......................................................................................................................................27
5.3.10 M asur m nt R moval.............................................................................................................................27
5.4 M asur m nt (Sp cific) Config.............................................................................................................................27
5.4.1 Display Position.......................................................................................................................................... 27
5.5 Alarm Config (R lay outputs).................................................................................................................................28
5.5.1 Alarm Addr ssing with Expansion Box s....................................................................................................29
5.6 Output Config (Analogu Outputs)........................................................................................................................30
5.6.1 Output Addr ssing with Expansion Box s..................................................................................................31
5.7 Information............................................................................................................................................................. 31
5.7.1 Softwar V rsion.........................................................................................................................................31
5.7.2 Contact Information....................................................................................................................................31
5.8 Lock Config............................................................................................................................................................ 32
5.8.1 Lock Monitor............................................................................................................................................... 32
5.8.2 Chang Password......................................................................................................................................32
5.8.3 S t Auto Lock.............................................................................................................................................. 32
5.9 Logging.................................................................................................................................................................. 33
5.9.1 Logging Status............................................................................................................................................ 33
5.9.2 Download Logg d Data to USB..................................................................................................................33
5.9.3 Logging Int rval.......................................................................................................................................... 33
5.9.4 Logging Mod ............................................................................................................................................. 33
5.9.5 Logging R s t............................................................................................................................................. 33
5.9.6 Locating th Log Fil ..................................................................................................................................33
6 S rvic Mod ................................................................................................................................................................. 35
6.1 Acc ss to S rvic Mod ........................................................................................................................................ 35
6.1.1 Enabl Factory Mod .................................................................................................................................. 35
6.1.2 Monitor Config Adv......................................................................................................................................35
6.1.3 Output 0/4mA and 20mA Offs t..................................................................................................................36
7 M nu Tr ...................................................................................................................................................................... 38
8 Maint nanc .................................................................................................................................................................. 40
8.1 On-Board Batt ry Backup R plac m nt............................................................................................................... 40
9 Faults............................................................................................................................................................................. 41
9.1 Monitor Error M ssag s........................................................................................................................................ 41
9.2 S nsor Error M ssag s.........................................................................................................................................41
10 T chnical Support......................................................................................................................................................... 42
10.1 R turning Equipm nt for R pair.......................................................................................................................... 42
11 T chnical Sp cification................................................................................................................................................. 43
11.1 Physical............................................................................................................................................................... 43
11.2 Us r Int rfac ...................................................................................................................................................... 43
11.3 El ctrical.............................................................................................................................................................. 43
11.4 S nsors and Optional Int rfac s.........................................................................................................................43
12 D claration of Conformity............................................................................................................................................. 44
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7300w² Monitor Instruction Manual
1 Foreword
7300w² Monitor is th “Op rator Int rfac ” to th Wat rWatch² family of m asuring instrum nts and s nsors,
and has b n d v lop d to b th succ ssor to th v ry popular Wat rWatch'1' and 7200 Monitors. Using
th lat st mb dd d proc ssor t chnology, th 7300w² Monitor has b n d sign d to ncompass an asy to
us and intuitiv int rfac whil providing advanc d f atur s and communication protocols to satisfy th
most d manding of applications and nvironm nts.
Th 7300w² Monitor is th k y to th Wat rWatch² product rang . Th 7300w² Monitor is d sign d to
int rfac with all s nsors in th Wat rWatch² family. Th s s nsors can b asily id ntifi d by th w² in th
product nam .
Th standard 7300w² Monitor provid s conn ctivity for 1 or 2 s nsors. Up to 8 s nsors can b add d to a
singl 7300w² Monitor using optional “Expansion Box s”. Furth r int rfac s ar availabl to add fl xibility to
th 7300w² Monitor by adding additional t rminations, suppl m ntary pow r suppli s, mod ms or xt nd d
communication options, including PROFIBUS, Eth rn t or MODBUS.
Combining diff r nt s nsors on a singl monitor provid s a v ry cost ff ctiv way of simultan ously
monitoring param t rs such as Dissolv d Oxyg n and Susp nd d Solids in an Activat d Sludg Plant or pH
and Turbidity at a tr atm nt works outfall on a singl us r int rfac . As proc ss s chang , or d mands
incr as , s nsors can b add d at a lat r dat saving costs and r ducing r dundancy.
In an v r d manding world, th 7300w² Monitor is th only choic if you n d to k p on budg t without
compromising functionality or r liability whil maintaining a futur proof philosophy.
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7300w² Monitor Instruction Manual
2 Introduction
2.1 Manual Conventions
All dim nsions stat d in this manual ar in millim tr s unl ss oth rwis indicat d.
Th manual has b n writt n assuming th us r has a basic knowl dg of instrum ntation and an
und rstanding of th typ of m asur m nts b ing mad . Training in th us of th 7300w² Monitor and
s nsors can b provid d, pl as contact Part ch for furth r information.
Icons hav b n us d throughout this manual to draw your att ntion to pr cautions and us ful not s.
Th y ar cat goris d in th following way:
NOTES: Sp cifications and g n ral not s of int r st to th us r.
GENERAL CAUTION: Us d wh r caution is r quir d to pr v nt injury, damag , corruption of
data, loss of calibration or invalidation of warranty tc.
INSTALLATION NOTES: G n ral installation not s of int r st to th install r.
ELECTRICAL CAUTION: Us d wh r th r is a dang r of l ctric shock to th install r or nd
us r, or wh r caution is r quir d to pr v nt damag to th instrum nt.
MAINTENANCE NOTES: Us d to highlight r comm nd d maint nanc proc dur s and h lp with
fault finding.
ENVIRONMENTAL NOTES: G n ral not s on nvironm ntal issu s, wast and disposal.
2.2 WaterWatch² Trademark
Wat rWatchw² is th family nam for th w² rang of monitors and s nsors. S nsors and instrum nts
d sign d for sp cific us with th 7300w² Monitor will b suffix d with th w² trad mark.
2.3 cope of Manual
This manual d scrib s th installation, configuration, t sting and op ration of th 7300w² Monitor. Whil
basic configuration of s nsors is includ d in this manual, pl as r f r to th sp cific us r manual for ach
s nsor for a compr h nsiv configuration s t-up.
2.4 External ensors
Ext rnal s nsors r f rs to any s nsors, xpansion box s or instrum nts conn ct d xt rnally to th 7300w²
Monitor.
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7300w² Monitor Instruction Manual
3 afety Precautions
3.1 General
R ad th saf ty pr cautions car fully.
Ch ck th d liv ry of your 7300w² Monitor for damag . Any damag should b r port d to your suppli r as
soon as possibl .
Us car wh n unpacking th monitor. NEVER us sharp instrum nts to op n th packaging, as this can
caus damag to th m mbran k yboard or display.
Only us s nsors and acc ssori s sp cifically manufactur d by Part ch for us with this monitor.
R ad th op rating instructions car fully b for installing and op rating this monitor.
K p sharp instrum nts away from th k ypad or display.
K p th monitor dry and fr from dust contamination during installation.
K p th monitor out of dir ct sunlight and away from oth r h at sourc s.
K p th monitor away from any oth r quipm nt that may radiat l ctromagn tic influ nc s.
K p th monitor and cabling away from high voltag cabl s.
3.2 Electrical Installation
Only suitably qualifi d p rsonn l may install, op rat or r pair this quipm nt. Th install r must nsur all
l ctrical installations comply with local wiring r gulations and standards (r f r to BS7671 for UK
installations).
Pl as ch ck th corr ct voltag is appli d to th monitor b for making liv . Incorr ct supply voltag can
caus damag to th 7300w² Monitor.
Only conn ct s nsors from th w² rang to this monitor, oth r Part ch products without th w² r f r nc ar
not compatibl and may caus damag if conn ct d. IF IN DOUBT, PLEASE ASK.
N v r work on a liv monitor. High Voltag s may b pr s nt on th circuit boards.
B war , v n wh n th monitor is l ctrically isolat d from th supply, th r is still th possibility of liv
voltag on th t l m try t rminals from th nd us r (r lay outputs). Pl as nsur th nd us r has isolat d
any t l m try voltag s b for und rtaking any work or t sting.
3.3 Operating
Th us rs must acquir th appropriat knowl dg to us th quipm nt in th ir sp cific application, as this
monitor can b us d for a wid rang of applications.
Part ch ar always availabl to provid advic and assistanc with your application. Pl as contact Part ch
for furth r information.
S nsors attach d to this monitor must b corr ctly calibrat d. Pl as follow th proc dur s for installation
and calibration as provid d in th instruction manual for your Part ch s nsor.
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7300w² Monitor Instruction Manual
3.4 ervice and Maintenance
B for maint nanc , this quipm nt must b isolat d or disconn ct d from HAZARDOUS LIVE voltag s
b for acc ss.
Maint nanc for th 7300w² Monitor should b carri d out as sp cifi d in this instruction manual. Failur to
carry out r gular maint nanc could invalidat th Warranty.
S rvic s and r pairs must b carri d out by a Part ch ngin r. Part ch can provid a s rvic contract for
your syst m. Pl as ask for d tails.
3.5 End of Life Disposal
This quipm nt should b r cycl d according to local r gulations.
Part ch can provid r cycling and disposal of your old Part ch quipm nt, and may also provid th sam
s rvic for oth r manufactur rs quipm nt wh n r plac d with Part ch quipm nt.
Part ch may provid a trad -in option for old Part ch quipm nt wh n upgrading your syst m. Pl as
contact us for furth r information.
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7300w² Monitor Instruction Manual
4 Installation
Whilst all att mpts hav b n mad to nsur that th s instructions ar corr ct, common s ns and good
ngin ring practic should always b us d, as v ry installation can pr s nt a n w s t of chall ng s and
difficulti s. If you ar in any doubt pl as contact Part ch or your local distributor for furth r information.
4.1 Mechanical Installation
Monitor xt rnal dim nsions.
4.2 Installation Considerations
B low ar a numb r of points to b consid r d wh n d ciding on a final location to install or mount th
7300w² Monitor.
•If th monitor r quir s r gular insp ction or local r ading of m asur m nts, nsur th monitor is
mount d in a position that allows for asy r ading. Consid r op rators of all h ights.
•If th s nsor is to b calibrat d by a singl p rson, consid ration should b paid to th proximity of
th monitor to th s nsor. Som s nsors r quir constant monitoring or stag d inputs during th
calibration proc ss. This could b difficult if th s nsor is r mot from th monitor.
•K p th monitor out of dir ct sunlight. This can mak th display difficult to r ad, and in xtr m
conditions could caus th monitor to ov rh at and fail.
•K p th monitor away from oth r h at sourc s or l ctronics that may transmit or radiat
l ctromagn tic influ nc s.
•K p th monitor away from mains pow r cabl s, variabl sp d driv s and motor controll rs.
•Th monitor is suitabl for th most d manding of nvironm nts. Wh r th r is a lik lihood of
physical damag , salt-wat r spray or cl aning by high pr ssur hos s, w advis th monitor is
install d insid an nclosur for add d prot ction.
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7300w² Monitor Instruction Manual
4.3 Fixings
Th 7300w² Monitor has 3 fixing points for mounting. Follow th s instructions for asy installation and
mounting.
•Off r th monitor up to th final mounting position. Mark th wall b hind with a dot halfway along th
top of th nclosur .
•M asur down from th dot 27mm and fit an M4 scr w. Ensur th scr w has 3.5mm of thr ad
xpos d for a snug fit.
•Hang th nclosur on th scr w using th hanging brack t mould d into th back of th monitor
(Loos n th scr w if too tight to hang).
•R mov th low r t rminal strip cov r to r v al th two low r fixing slots (shown as A on th
illustration b low).
•L v l th Monitor with a spirit l v l and mark th two low r slots.
•R mov th nclosur and fix drill/tap th abov marks.
•R hang th nclosur (Tight n th top scr w if th nclosur f ls loos ) and fit th two low r
scr ws. Th nclosur has a 14mm should r so fixing scr ws must b at l ast 16mm long to
p n trat b yond th back of th nclosur .
•R fit th low r t rminal cov r.
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7300w² Monitor Instruction Manual
4.4 Electrical Installation
Unscr w th two cov r scr ws on th low r pan l of th 7300w² Monitor to r v al th T rminals. Each
t rminal strip is lab ll d as illustrat d b low. (This quipm nt must b isolat d or disconn ct d from
HAZARDOUS LIVE voltag s b for acc ss).
Th maximum siz wir that can b t rminat d is 2.5mm² CSA. All th conn ctions ar via r movabl
Plug/Sock t t rminals. To dis ngag th t rminals, simply pull down to r l as .
Two pow r options ar availabl for th 7300w² Monitor, AC and DC. Apart from th supply voltag , all oth r
conn ctions ar id ntical.
4.4.1 Gland Configuration
Th 7300w² Monitor is suppli d with IP68 Skintop Nylon glands with lock nuts in th following configuration:
•L ft: 1 x USB conn ction
•C ntr 4 x M16 glands (4.5-10mm Ø cabl )
•Right: 1 x M20 gland (5-10mm Ø cabl )
Gland hol s ar cl aranc , not tapp d. Always blank unus d glands to r tain th IP rating of th nclosur
Cabling
Wh n s l cting and calculating th mains pow r cabl , pl as not , an ambi nt t mp ratur of 60ºC may
s a ris to 80ºC within th t rminal compartm nt. This should b consid r d wh n making your
calculations, th r for w r comm nd a pow r cabl with a maximum rating no l ss than 80ºC.
R comm nd d cabl s includ H07RN-F, St l Wir Armour d or YY, CY or SY typ s (always ch ck
cabl data sh ts for maximum t mp ratur ratings, as this can vary b tw n manufactur s).
(R f r to BS7671, s ction 522 “Selection and erection of wiring systems in relation to external
influences” for guidanc ).
Shroud d Bootlac F rrul s should always b us d wh n t rminating conductors.
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7300w² Monitor Instruction Manual
4.4.2 DC Power Connections
Th DC pow r conn ction is a 3 way t rminal strip, locat d furth st right of th t rmination bank.
Th l ft t rminal is th Positiv (+) supply, th Right t rminal is th N gativ (-) or Z ro voltag
supply and th c ntr t rminal is th Ground.
Th pow r supply is galvanically isolat d from all oth r t rminals on th 7300w² Monitor. It is not
n c ssary to conn ct a ground to th monitor,.This t rminal has b n provid d for conv ni nc .
Th DC pow r d 7300w² Monitor is pow r d typically from a 12V to 24V DC supply.
Min/Max Voltag s ar 9V to 36V. W do not advis op rating th monitors in th fi ld at voltag s
approaching th Min or Max valu s as surg s, dips or rippl s in supply can fall outsid th
Max/Min limits and can caus damag or int rruptions to th p rformanc of th 7300w² Monitor.
It is r comm nd d that a circuit prot ctiv d vic (5A Trip) or fus (5A anti-surg fus ) is fitt d to th supply
voltag in clos proximity to th monitor and locat d in a position wh r it is not difficult to op rat , r plac or
r s t th d vic . Th monitor has an on-board 3.5A fus for int rnal prot ction and is fitt d with a r v rs
polarity diod .
In addition to th prot ctiv d vic , w advis a local isolator or disconn ction switch is fitt d in clos
proximity to th monitor to allow asy disconn ction or isolation of th monitor. This switch should b in asy
r ach of th op rator and cl arly mark d as th disconn ction d vic for this quipm nt. This allows for asy
pow r-down of th monitor during s rvicing or p riods wh r th monitor is not b ing us d.
NOTE: If th quipm nt is us d in a mann r not sp cifi d by this manual, th prot ction provid d by th
quipm nt may b impair d.
4.4.3 AC Power Connections
Th AC pow r t rminal strip is a 3 way conn ctor, locat d furth st right of th
t rmination bank.
Th l ft t rminal is th Earth (E), th Right t rminal is th Liv supply (L), and th
c ntr t rminal is th N utral Supply (N).
Th AC pow r d 7300w² Monitor is pow r d typically from a 100VAC to 240VAC
50/60Hz supply.
Min/Max voltag s ar 85VAC to 264VAC, 47Hz-63Hz. W do not advis op rating th monitors in th fi ld at
voltag s approaching th Min or Max valu s as surg s, dips or rippl s in supply can fall outsid th Max/Min
limits and can caus damag or int rruptions to th p rformanc of th 7300w² Monitor.
Th supply voltag should b fitt d with a 3A Typ C MCB (th monitor is pron to inrush curr nts during
initial pow r up, th r for a “Motor Rat d” Typ C MCB should b us d to pr v nt nuisanc tripping).
It is r comm nd d that a circuit prot ctiv d vic or MCB is situat d in clos proximity to th monitor, and
locat d in a position wh r it is not difficult to op rat or r s t th d vic .
In addition to th prot ctiv d vic , w advis a local isolator or disconn ction switch is fitt d in clos
proximity to th monitor to allow asy disconn ction or isolation of th monitor. This switch should b in asy
r ach of th op rator and cl arly mark d as th disconn ction d vic for this quipm nt. This allows for asy
pow r-down of th monitor during s rvicing or p riods wh r th monitor is not b ing us d.
Th monitor should b ad quat ly arth d. Circuit Prot ctiv Conductor (Earth conductor) Cross S ctional
Ar a (CSA) should not b l ss than th CSA of th calculat d phas conductors.
(R f r to BS7671, s ction 543 “Protective onductors” for guidanc ).
NOTE: If th quipm nt is us d in a mann r not sp cifi d by this manual, th prot ction provid d by th
quipm nt may b impair d.
All xt rnal wiring should comply with local wiring r gulations and standards.
Th monitor has an insulation r sistanc of 3KV, how v r, car should b tak n wh n conducting insulation
r sistanc t sts. W advis th AC t rminal strip is dis ngag d from th circuit board b for such t sts ar
carri d out.
4.4.4 ensor Connections
Wh n routing th s nsor cabl s, pl as nsur all cabl s ar s parat d from any mains cabl s.
Although th Wat rWatch² s nsors hav a high r sistanc to int rf r nc , s paration of mains and
data cabl s is always good practic and should b follow d wh r practical.
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7300w² Monitor Instruction Manual
All Wat rWatch² s nsors and Expansion Box s communicat with th monitor using th ModT chw²
Protocol. This is a modifi d Modbus Protocol and has b n sp cifically d v lop d to tak advantag
of th advanc d f atur s and diagnostics d sign d into th w² rang of s nsors.
Not : Th s s nsors can NOT b us d with oth r monitors that ar not includ d in th w² family.
All s nsors within th w² family of instrum nts ar conn ct d to th 7300w² Monitor using th sam 4 wir
configuration, how v r som slight variations may occur with sp cific s nsors. Always ch ck th manual
suppli d with th s nsor to nsur th corr ct t rmination is appli d.
•RED and BLACK wir s provid th 12VDC supply to th s nsor and th communication ground.
•WHITE and GREEN provid data communication.
A maximum of two s nsors can b dir ctly conn ct d to th standard 7300w² Monitor, how v r additional
s nsors can b add d using optional Expansion Box s availabl s parat ly.
R mov th 4-way conn ctor from th 7300w² Monitor by pulling downwards to disconn ct for asy acc ss
to th conn ctions. Conn ct th s nsor cor s as follows:
(T rminals from l ft to right on th 4 way conn ctor)
T rm 1 (L ft) - RED (+12V)
T rm 2 - Black (0V) and Drain
T rm 3 - Whit (Data A)
T rm 4 (Right) - Gr n (Data B)
Always conn ct th scr n drain wir with th Black (T rm 2). Illustration L ft shows drain wir and Black
wir conn ct d tog th r, and cov r d in Black H at shrink.
Always us Bootlac f rrul s wh n t rminating th s nsors to nsur a good conn ction to th t rminals.
4.4.5 Extending ensor Cables
S nsors ar usually suppli d with 10m cabl s (long r cabl s can b provid d on r qu st). Th s cabl s can
b xt nd d to a maximum l ngth of 100m. To nsur optimum p rformanc , w advis th us of Part ch
ModT chw² cabl for xt nsions. Part ch can supply Junction Box s to allow for asy t rmination of cabl
xt nsions. Th s should b us d on all installations wh r th cabl l ngth from th s nsor to th monitor
xc ds 20M (Part ch Junction Box s includ on-board filt ring for long cabl l ngths). Junction Box s ar
also us ful for local conn ction of s nsors clos to th sampl point. This p rmits asi r r plac m nt of
s nsors without th n d to pull back cabl s to th monitor. Th Junction Box has an on-board t rminator
switch that can b activat d to t rminat th n twork if th s nsor is to b r mov d for long p riods.
Wh n joining cabl s, nsur th conn ction is fully wat rproof. Any moistur ingr ss can ff ct th
p rformanc of th s nsor and monitor. Always nsur th arth scr n is continu d wh n making joints.
ModTechw² Cable specification:
•2 Twist d Pair: R d/Black (Pow r) and Gr n/Whit (Data) with Scr n and Drain wir
•Cor s 24AWG (0,22mm²) 7 x 0,20mm
•Out r Insulation: PUR Polyur than Blu (RAL5003), Diam t r – 5mmØ
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7300w² Monitor Instruction Manual
4.4.6 Relay Outputs (Alarms)
Th r lay outputs ar 3 way t rminal strips, locat d in th middl of th t rmination bank. Th 7300w²
Monitor off rs 3 SPCO r lay contacts that ar us r configurabl .
Pl as r f r to th “Alarm Configuration” s ction of this manual for d tails of how to configur th r lays for
alarms or proc ss control outputs.
Th r lays can switch non-inductiv loads up to a maximum of 5A, and withstand voltag s up to 240VAC.
Pl as not , for “Alarm” applications th r lays ar fail saf . Onc configur d, th r lays will r main
n rgis d in a non-alarm d stat (H althy), th r for N/C will b “Op n Circuit”, and N/O will b “Clos d
Circuit”. During an Alarm condition, syst m fault or pow r failur th r lay will d - n rgis , r turning back to
th stat illustrat d on th lab l. If th alarm has not b n configur d, th r lay will r main d - n rgis d.
4.4.7 Analogue Outputs
Th 7300w² Monitor provid s th us r with two 0/4-20mA analogu outputs. Th Analogu outputs ar
conn ct d to th 4 way t rminal strip locat d towards th right of th t rminal bank.
Each analogu output can b configur d as ith r 0-20mA or 4-20mA, and can r pr s nt any m asur m nt
configur d. This configuration s t-up is d tail d in th “Output Configuration” s ction in this manual.
Th outputs ar Activ (s lf-pow r d loop, do s not r quir xt rnal pow ring) . Each analogu output can
driv a maximum load of 750 ohms.
Expansion Box s
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7300w² Monitor Instruction Manual
Expansion Box s ar availabl to incr as th numb r of inputs and outputs for th 7300w² Monitor. Th s
ar availabl in th following configurations.
PN224920: Wat rWatch² Expansion Box (1x 4-20mA Input) – s 6.2.5 for d tails
PN224468: Wat rWatch² Expansion Box (3 to 4 S nsor Input)
PN224473: Wat rWatch² Expansion Box (3 to 8 S nsor Input)
PN224476: Wat rWatch² Expansion Box (8 x 4-20mA and 8 x R lay Outputs)
PN224939: Wat rWatch² Expansion Box (3 to 4 S nsor Input, 4 x 4-20mA and 4 x R lay Outputs)
Each Expansion Box conn cts to a “SENSOR” t rminal of th 7300w² Monitor. Conn ctions into th
Expansion Box s ar th sam as for th 7300w², and th sam pr cautions apply.
NOTE: Onc th Expansion Box s hav b n wir d, unplug ach 4-way conn ctor from th 7300w²
Monitor b for pow ring up th unit. Th syst m must r cognis ach box in turn through th
ModT chw² Protocol “Add Expansion Config. M nu”. Similarly disconn ct all S nsors from th
Expansion Box b for pow r up, s “Add S nsor Config. M nu”.
Wh n using 8x S nsor Input Expansion Box s, an additional Pow r Supply is r quir d to r duc th
risk of ov rloading th 7300w² Monitor wh n conn cting mor than two TurbiT chw² s nsors. This
pow r supply should b rat d at 12VDC 2A min, and conn cts to th “EXT PWR” t rminal of th
Expansion Box. A suitabl pow r supply is availabl from Part ch.
S th Data sh t suppli d with ach xpansion box for full configuration d tails.
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7300w² Monitor Instruction Manual
Exampl of a typical 8x Input and 8x Output Expansion Box installation
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7300w² Monitor Instruction Manual
5 Basic Operation
5.1 Keys and creen Navigation
All m nus and param t r s ttings ar acc ss d using th 7300w² Monitor m mbran k ypad.
5.1.1 Menu Button
From th m asur m nt display scr n pr ss to show th Main M nu. Whil in sub m nus, acts as a
r turn to th pr vious m nu.
5.1.2 Navigation Buttons
Us th navigation buttons to mov th cursor up, down or across m nus. For xampl , wh n s tting th
“Tim ” pr ss or to mov th cursor ov r th numb r to b chang d, and pr ss or to chang
th numb r. Th s buttons can also b us d to chang th display scr n for multi m asur m nt
displays.
5.1.3 OK Button
Pr ss to acc pt a valu or to s l ct a sub m nu.
5.2 Default Configuration
Wh n th Monitor is pow r d up for th first tim , th display will show a singl m asur m nt that is
DISABLED. This indicat s no s nsors or m asur m nts hav b n configur d. Each s nsor and
m asur m nt must b configur d b for a valu is display d.
5.2.1 Electrodes, ensors and Measurements Definition
Throughout th Wat rWatch² product rang th t rms El ctrod , S nsors and M asur m nt will b us d in
th following mann r:
El ctrod s: this appli s to th m asuring l m nt such as a pH l ctrod , oft n th r plac abl or
consumabl part of a s nsor.
S nsors: this t rm appli s to a physical d vic that is conn ct d to a monitor using a ModT chw²
cabl . S nsors may provid on or mor m asur m nts.
M asur m nts: this t rm appli s to th param t rs that can b display d. A singl s nsor (d p nding
on typ ) may provid on or mor m asur m nts, .g. pH and T mp ratur .
5.3 Measurement Display Mode
Th monitor can b configur d to display multipl m asur m nts, from 1 to 8 simultan ously (as
shown b low). Tr nd charts can also b display d for ach m asur m nt individually. During a pow r
disruption, th monitor will d fault to th last s l ct d display format.
Pr ss or to toggl b tw n th fiv display mod s and or to scroll b tw n Tr nd
Charts.
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7300w² Monitor Instruction Manual
5.3.1 Trending Display Mode
Th tr nding display always th data to b plott d against tim . Th data go s back 24 hours.
Pr ss to nabl scrolling and zooming on th
tr nding chart.
Pr ss th or to scroll back and forth in tim .
Pr ss or to zoom in and out on th tim
axis.
Pr ss onc again to nabl scrolling and
zooming on th m asur m nt axis.
Pr ss th or to zoom out and in on th
m asur m nt axis (r sp ctiv ly)
Pr ss or to mov up or down th m asur m nt
axis.
Pr ss to r turn to th main tr nding window.
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7300w² Monitor Instruction Manual
6 ystem Configuration.
From th M asur m nt Display pr ss to nt r th “MAIN MENU”. From this m nu, all
configurations and param t rs ar d fin d.
S tting up th monitor is a simpl and intuitiv proc ss. Th m nu structur has b n d sign d to l ad
th op rator through th configuration proc ss. Simply start with th m nu at th top and work down
through th m nus.
M nu options ar :
Monitor Config.
Expansion Config.
ensor Config.
Measurement Config.
Alarm Config.
Output Config.
Information
Lock Config.
Pr ss or to highlight th m nu r quir d, and pr ss to s l ct.
Pr ss at any tim to r turn back to th pr vious m nu.
Not : If no k y is pr ss d for 2 minut s, th monitor will d fault back to th m asur m nt display
scr n.
6.1 Monitor Config Menu
Th MONITOR CONFIG m nu is us d to s t up th cor monitor
functions, including backlight, bl p r function, tim and dat . This main
m nu option also provid s acc ss to som advanc d configuration and
r s t functions.
From th MAIN MENU, nsur MONITOR CONFIG is highlight d (if not,
pr ss or to highlight th option) th n pr ss .
6.1.1 Bleeper
From th MONITOR CONFIG m nu pr ss or to s l ct BLEEPER.
Th bl p r (button pr ss d acknowl dg m nt bl p) can b turn d on
or off as d sir d. Und r normal circumstanc s it is pr f rabl to l av th
bl p r turn d on as it provid s an audibl f dback of k y pr ss s and
a tripl bl p is confirmation that a function has b n succ ssfully
chang d or s l ct d.
Pr ss or to highlight th option r quir d, and pr ss to s l ct. A
tick will app ar n xt to your s l ction.
Pr ss to xit this option.
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MONITOR CONFIG
Beeper
Backlight
Contrast
Language
et Date & Time
Enable ervice Mode
BEEPER
Off
On ✓
MAIN MENU
Expansion Config
ensor Config
Measurement Config
Alarm Config
Output Config
Information
Bottom of Main Menu screen with Lock onfig
Lock Config
MAIN MENU
Monitor Config
Expansion Config
ensor Config
Measurement Config
Alarm Config
Output Config
Information
Top seven options of Main Menu

7300w² Monitor Instruction Manual
6.1.2 Backlight
From th MONITOR CONFIG m nu pr ss or to s l ct
BACKLIGHT.
Th backlight can b s t to always ON, always OFF or ON aft r k y
pr ss (backlight will switch off again aft r a p riod of inactivity). Th r is
a marginal pow r saving by having th backlight switch d off, oth rwis
this s tting is down to us r pr f r nc .
Pr ss or to highlight th option r quir d, and pr ss to s l ct. A
tick will app ar n xt to your s l ction.
Pr ss to xit this option.
6.1.3 Contrast
From th MONITOR CONFIG m nu pr ss or to s l ct
CONTRAST.
Th factory s tting of 50% should b suffici nt for most ambi nt light
conditions. For diff r nt conditions th contrast can b alt r d.
Pr ss or to incr as or d cr as th Contrast by 5% (th scr n
contrast will r act with ach pr ss of th buttons).
Pr ss to xit this option.
6.1.4 Language
From th MONITOR CONFIG m nu pr ss or to s l ct
LANGUAGE.
Th factory d fault s tting is English.
Pr ss or to highlight th option r quir d, and pr ss to s l ct. A
tick will app ar n xt to your s l ction.
Pr ss to xit this option.
6.1.5 et Time/Date
From th MONITOR CONFIG m nu pr ss or to s l ct SET
TIME/DATE.
1. Pr ss or to mov th cursor b low th digit to b chang d.
Pr ss or to incr as or d cr as th digit.
Pr ss to acc pt.
Daylight avings: Th monitor do s not automatically updat th tim to tak into account “Daylight
Savings”, as this can caus confusion wh n data logging. Daylight saving will show a on hour gap
wh n th clocks go forward and duplicat tim stamps wh n th clock go s back. It is th r for
r comm nd d that th monitor is s t to GMT or th tim bas for th install d location (i. . GMT+
00:00 for th UK).
Pr ss to xit this option.
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BACKLIGHT
Always Off
Always On ✓
On after keypress
CONTRA T
50%
Use to set value
Press OK to accept
Press MENU to cancel
LANGUAGE
English ✓
Danish
Dutch
French
Norwegian
Turkish
ET DATE & TIME
09:47:58 25/07/2014
Use to set value
Press OK to accept
Press MENU to cancel