Dwyer | Series 1300 | Instruction manual | Dwyer Series 1300 Instruction Manual

Dwyer Series 1300 Instruction Manual
PROGRAMMING
USERS GUIDE
4.2.3.2.3 10 ( low retransmission range)
This IS the engineering value at which the current output will be at Its mllumum
value (either 0 or 4mA), dependlllg upon the span seUlIlg.
The value IS entered as an engllleerlllg value.
Default seUlIIg: 0.0
4.2.3.2.4 hi ( high retransmission range)
This IS the engllleering value at which the current output will be at Its maxllnwn
value (20mA or IOmA). See the diagram below for an example of the operation of
tills feature .
Note that It IS acceptable for the hi range to be less than the 10; although both must
be wllilln the span of the IIlput engmeenng range. Note that the cwrent output IS
lllmted to the extremes of the current range selected.
Default seulIlg: 100.0
The followlllg dla!,'fams on the next page show the different output responses for a
vanety of configuratIOns .
SG4-2069-03
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OUTPUT MENU
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PROGRAMMING
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CURRENT
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OUTPUT MENU
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USERS GUIDE
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CURRENT
OUTPUT
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USERS GUIDE
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4.2.3.2.5 PrESEt ( Preset output value)
Tills Illle IS only available If PrESEt has been selected a~ the tyPE of operaliOll. In
tillS mode the current output will directly relate to the value set wlthlll this
prob'Tammable optIOn. The value entered must fall wlthlll the 111 and 10 range and will
cause the maXI1IlWn current to be output when set to the hi value and the minimum
output currenl when set to the 10 value.
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SG4-2069-03
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OUTPUT MENU
----4.2.3.3 Vprog1 (3) Bridge Excitation board
This
IIICIIlI -:111["\
or 2, ThiS
IS
IS
uscd
a\'ailablc whcll a bndgc cxcilatlOll board IS tilled III clther slot
10 prq.'T<lIn a fi:\cd voltagc output from thc followlIlg range of
OpliOIlS ,
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\olts output
2':­
J
J.5
4
4.5
5
<>
7
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10
12
15
20
20 volts outpUI
default scumg 2 Volts
OUTPUT MENU
SG4-2069-03
Page 54
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4.2.4 SyS ( System parameters submenu)
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This submenu allows access to all of the system based parameters such as passwords
and COlUmUlllcatlons facIlities , The system submenu IS as follows :
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4.2.4.1 PASS ( Password submenu)
This provides access to the password submenu. The password facility provides
protected access to the submenus within the root menu . The level of password
protection works probTfeSslvely down the menu,
This submenu IS Itself protected with a password, The message ENtEr, PASS will
be displayed before dlsplaYlllg tile password template, nlis will be shown as four
zeros with the leading zero flashing, This may be edited as an ordinary nwneric field,
The password sl\ould be entered, Pressll1g ENTER with the correct password takes
the user 1I1tO the submenu shown above . An incorrect password displays ACCESS,
dEniEd before returning to the pomt of entry,
SG4-2069-03
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SYSTEM MENU
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USERS GUIDE
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4.2.4.1.1 Cod E ( Password code--+-­
Thi s \?Illn allo\\s lit\? USCI' 10 Illoddy Ihe password cod\? Th\? cum:III pass\\ord I~
SllO\\ II as In \?dllabk 1ll11l1CI"IC clllr)" . P<Jsswords aI'\? four dlglls 10llg and CIII rnllgc
If'ol{1 (JUOU 10 y()()()
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dchlllit sefllllg ~UUU
4.2.4.1.2 LEvEL (Password start level)
The password k\\:1 Illay be sel up
10
slall
!i'01ll
any ol"lhe 1()lIowlllg levels
SEII'I
( Thc passwords apply
INPUt
( Passwords stnl1 frolll III I npul submcllu )
OUtPUt
( P<lsswords sIan from the OUIPUI submcllu
SyS
( P<lsswords sIan frolll Ihc Syslcm sublllcnu )
CALllJ
( Passwords apply
10
10
all sllbnl\?llll:; )
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Ihc Calibralloll sllbmcllu ollly
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4.2.4.2 AUtOCy ( Automatic cycle )
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Alilocycic IS a paramclcr which IS uscd 10 cOlllrol Ihc way Ihal the mClIll opcrnllOlI
works . If Alitocycic IS enablcd ( lIs dehlUlt stalc ), Ihc mClIll slCps 011 10 thc ncxt
mCllu clllry ahcr c<lch mcnll Itcm actlOlI . ThiS IS COIIVClllcnl whclI programllllng a
complclely ncw scI of paramcters 11110 thc lIIlIl. Aftcr each mCllu Itcm has bcclI
programmcd, thc IIcxt one IS stcppcd 011 to . Thcre are ccnalJl SltuatlollS, howevcr,
whclI Ihls IS IlICOllvCIllCnl. SWltchlllg Ihe AUlocycic Icatllrc 011' ( SCl\lIIg II to FALSE)
Will IIllllbit allY alilolllatlC stcpplllg.
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There are Iwo possIble opllOlls:
~:
trUE
( Aulocyclc enablcd )
FALSE
( AUlocycie disabled )
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default sCfllllg t rU E
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SYSTEM MENU
Page 56
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USERS GUIDE
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4.2.4.:r Co NEt ( Communications submenu)
This submenu contallls the parameters require9 for the COnUllUI11Catlons to operate on
the UI11t. The submenu is described as follows :
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4.2.4.3.1 bAud ( Baud rate)
ThIS allows the translmt and receive baudrate to be set. The oplJons are:
75
( 75 baud)
150
( 150 baud)
300
( 300 baud)
600
( 600 baud)
1200 ( 1200 baud)
2400 ( 2400 baud)
4800 ( 4800 baud)
9600 ( 9600 baud )
Default settlJ1g 9600
SG4 -2069-03
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SYSTEM MENU
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PROGRAMMING
USERS GUIDE
4.2.4.3.2 dEviCE ( Network device number)
/
It IS poss ible to multidrop up to 99 IIlstrument s on one network . The device nwnber
allocates a unique device refe rence lor each IIldlvldual 111111. Note that Wllhout
sUitable bullcflng, thcre IS IS a hardware linllt of 30 IIlstrumcnts .
Default scttlllg: I
4.2.4.3.3 tyPE ( mode of Comms operation)
There arc two modes of COIl1JllS operation possible. If the unit IS to bc operated
Wlthlll a nctwork, or a host computer accesses selective data then Slave Illode is
lIsed . The other Illode, simply output s a complete ASCII status reporl, conslstmg of
the process \;lfIahlc and the state of any alanlls or output optIOns . It IS possible to
Jump tIll s dat a to a dumb tenllllJal or to a prInter.
The optIOns arc
SLA VE
( Slave mode)
ASC OP
( Ascii output reporl mode)
Default setting:SLA VE
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SYSTEM MENU
SG4-2069-03
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USERS GUIDE
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4.2~5
CALIb ( Calibration submenu)
ThIS submenu, whIch will always have password protectIon, provIdes access to
enable the total (or partIal) recalibratloll of the System . Casual access mto thIs
submenu IS therefore dIscouraged
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Do not enter the CALIB submenu unless you know exactly what you are doing.
If the calibration settings arc disturbed, it may be necessary to return the unit to
the factory.
The submenu may alter WIth the fittlllg of varIous output optIons, but IS represented
as follows
4.2.5.1 OFFSET ( Input offset adjustment)
ThIS is a numerIC value in engmeenng WiltS which IS added to the Process Variable
value In order to take out any system offset errors. This should be used wIth care as
there IS no 11Idlcatlon 111 the Process Variable display mode that this offset is belllg
applIed and IS thus capable of Introducmg an Inadvertent error.
Default
set~11Ig:
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0.0
Page 59
CALIBRATION MENU
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4.2.5.2 CAL 1 to CAL 10 (Input
.. /
calibratio~)
These arc u::.ed tll callbr;.tte the Illput systelli . Dewil s ;.trc COIII;lIl1ed III tlie SerYlce
11Ial1u;.t1 available lrom yom supplicr.
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4.2.5.3 CLcUr1 (3) Calibrate Current olp board
II thc CllITClit OlitPlit /3oard IS to be filled III the lIlilt by tlie user,
lISC till S elltry to calibratc the opt 1011.
1I
is
lIecessa~' 10
COl1l1ect lip tlie Currellt uutput board to thc SCll sor Illput board as sliuwll beluw .
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CURRENT OUTPUT
SOCKET
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Press ENTER, to commellce automatic
cahbratloll.
ENTER
Note If tlie display reads either 'siglo' or
'sighi' recalibrate tlte output card agalll .
Oil cOlllplelIOIl ESCAPE back to tlte Process
Vanable display mode. This stores the
calibratlun lIlfOnnatlOll mto non-volatIle
memory .
CALIBRATION MENU
Page 60
I~ IESCAPE
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PROGRAMMING
USERS GUIDE
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4.2.5.4 CLvoP1 (3) Calibrate Bridge excitation board
If tile Voltage Output Board ( Bridge Excllation ) is to be fitted
user, II is necessary to use tbis entry to calibrate the option.
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tile Wllt by tile
Connect up tile Voltage output board to the Sensor input board as shown below .
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INPUT
SOCKET
VOLTAGE OUTPUT
( BRIDGE EXCITATION)
SOCKET
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Press ENTER, to commence automatic
calibrauon .
ENTER
Note If the display reads either 'siglo' or
'sighi' recalibrate Ihe output card agalll.
"J
On completIOn. ESCAPE back to the Process
Vanable display mode . ThiS stores the
calibration mfonnatlOll mto lion-volatile
memory.
SG4-2069-03
Page 61
I~ jESCAPE
CALIBRATION MENU
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PROGRAMMING
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USERS GUIDE
4.2.5.5 rESEt ( Reset all parameters to default)
PrcsslIlg ENTER 011 tillS opt 1011 rcsets all
programmablc paramcters to their de!'alilt
vailles
ENTER
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OPERATION
USERS GUIDE
5.0 OPERATION
PrevIous sectIOns have shown how the unl! lIlay be configured for user applicatIOns.
TillS sectIOn shows how the user may access additIOnal mlonnalloll from the Display
PV lIlode and an explanation or how the IIlstnllllcnt processes IIIPUt data and
activates outputs.
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5.1 USER OPERATION
There are a Illllllber of faClhlles available from the Display PV 1l1ode uSlllg the Iront
panel keys. These are sUlllmarlsed l11the table below.
ACTION
KEYPR~SS
CYCLE
VIEIJ SETPOINTS
SHIFT
VIEIJ PEAK VALUE
INC
..... L_L"'" LAT CHEO HL.H"[n~>.
CLEAR
RESET PEAK VALLEV
In addl\1011, II
IS
possible to get lllto Menu Mode by presslllg
followed by
r!l [ill I~ ICYCLE
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USER OPERATION
- ..! _ . ' -
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OPERATION
USERS GUIDE
S.1 ..1Jl.IEW SETPOINTS
The tllllcllon of IllIS Illode IS 10 PIO\lllc a qlllck read-ollh access 10 the Alann
setpolillS Thl~ opcratlOIl l~ eZlSler to do Ihall 10 describe alld IS therefore shown
diagralllatlcally below.
PresslIlg lite CYCLE key
pUIS, you I1llll
VIEW
SETPOINlS MODE. The
display Will show the lirst
selpollll Illllllbcr available
\0
bc VlC\\ cd. possibly
~ltl' I
Successlvc
presslIlg of the CYCLE
key wtll cycle Ihrough Ihe
olher available setpolllts
If any selponll value IS
required to be viewed, Ihe
SHIFT key IS pressed .
The actual SCtPOlllt value
I~ IIOW displayed .
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PRESS
_00
CYCLE
TO
HANG
SETP
NO.
The lonnal of the selpOllll display wIiI be
<alann actlOn> <SelpOIlIl value>
where al;mn actlOlI will be olle of lour slllgie characlers:­
o-Alann OIL L-Low Alann: h-Hlgh Alann : d-Devl(Jtloll Alann
The Selpollll wIiI be a five dlgll value scaled III ellgllleerlllg lIIlItS .
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USER OPERATION
Page 64
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E-'
OPERATION
USERS GUIDE
5.1.2 VIEW PEAK VALUE
The llIaXlillUIII Process Variable vallie lIIeasured slllce switch-Oil or last reset of
Peak/ Valley (See 5. I .4), IS contllluolisly calculated wltilln the Instnnllenl. The
cllrrent value Illay be IIIspected by presslllg the SHIFT key whilst 111 Display PV
lIIode . The display will briefly show PEAc before revealIng the actual peak value.
This \'alue will relllalll displayed until Is after the key IS released . It will then retllm
to tile Process \'anable display.
5.1.3 VIEW VALLEY DISPLAY
TIllS operates III exactly the sallie way as the View Peak display except that the INC
key IS used and the minimulll Process Vanable value displayed .
5.1.4 RESET PEAKNALLEY & CLEAR LATCHED
ALARMS
Presslllg the CYCLE and [NC keys simultaneously perionlls two IIIdependent
hllletions . It sets the Peak and Valley values to the cllrrent Process Vanable value
and It also clears any latched alanns.
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Page 65
USER OPERATION
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OPERATION
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5.2INSTRUMENT ·OPERATION
Till s sec lion descnbes how the IlIstrlllllent proccsscs 1I1PlIt delta and actl\·ates outputs.
The ul<lgram below shows thc sequence of processillg.
DISPLAY
INPUT
f-+­
PROCESSING
COND ­
!TIONING
-+­
ERROR
FILTERING r- DETECTION
f+
~I
OUTPUT
CONTROL
5.2.1 INPUT PROCESSING
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1:
t~;.;;~/:~~:<~~: ~-:- ~ '1
The clcctrlcal IIlput IS read III and convened to a dIgItal value, correCIlOns are madc
for onset and drift . Readlllgs are made tcn tllllCS a sccond .
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5.2.2 SIGNAL CONDITIONING
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Tills process dcpend ~ largely upon the mcnu pr06'Tmnllllllg. If the lIlput I~ a
tcmperature scnsor, the temperature charactcrisllc IS linearlscd herc. If the Illput IS a
voltage or current, thc conditlOnlllg will be Lmear, Square root, Power Law or User
dcfllled, il S pro6'Tammcd III the Inputs menu .
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5.2.3 FILTERING
Thc pro6'TalTiinable tiller reduces nOIse from the conditioned lIlput.
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INSTRUMENT OPERATION
Page 66
SG4-2069-03
OPERATION
USERS GUIDE
5.2.4 ERROR DETECTION
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The Instrumcnt and the mput IS checked for a rangc of
fault~ .
5.2.4.1 OPEN CIRCUIT
ThiS IS only chccked lor temperaturc scnsors. If an opcn Clrclllt I~ detected. thc
process variable IS forced full pOSill\e range or full negative range depending upun
the brnout sellmg III the Inputs Illenu. burn will be shown on the display 111 place or
the Process Variable display .
5.2.4.2 UNDER RANGEl OVER RANGE
TillS IS only checked for voltage or current Inputs . If the mput value IS tound to be
greater thar .I07% of full range, or less than -I 07~0 of full range, It IS lJulIted to
107'}0 or -107'70 of full range respec\ively. In tillS case, either OVEr or lI!\dEr IS
shown on the display mstead of the process vanable valuc. TIllS condulOn will al so
occur If the user nonlll1 condltlol1lng IS used and the IIlput t~lIs belO\~ the mlllllllUIll
entry or exceeds the maXnllUI11 .
5.2.5 OUTPUT CONTROL
The alann Relays, LED alanns and current retransmission oplJons may all use the
filtered, condillOned Process Variable Value . This IS the same value which IS
displayed.
TIllS process responds to any errors detected . If the input is a temperature sensor, an
open CirCUit will lI1voke the bumollt condition, gomg to 111 scale or low scale
dependmg upon the bumout programmll1g.
5.6 DISPLAY
TillS will show the Process Vanable m engmeenng lIllltS, filtered and conditIOned. If
any errors have been detected, they Will be mdicated on the display. The number of
places of decllnal will be as delined in the rES entry of the Illputs menu, but if there
are more significant digits than can be displayed within the five digit field
For example 1234.567 will be
available, the number will be right justified
displayed as 1234.57 . Although the electrical input IS updated ten tllnes a second,
the display IS updated at the more visually practical rate of three tllnes a second.
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Page 67
INSTRUMENT OPERATION
__ _ _ _
. -' . ' .
....... 1.• • •
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OPERATION
USERS GUIDE
--..
5.7 INSTRUMENT FAULTS
Thc 1I1strumellt COl1l11l1l011 51\' checks it self for con'cct operatlOI1. DetectlOIl 01' a fault
causes all CITur mcssage to be dl spl<lyed . The CITor mcss3gc ~ arc as fullow s .
Err
Err
Err
Err
Err
Err
Err
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01 NUll Volotile memo!)' bilure
02
OJ
04
05
06
07
RAM dccode (,tTor
RAM SIZC ullrecogtllscd
Illpul card error
EPROM check slll11 crror
Ram Faull
Calrbratlol1 data comtptlon faul!
burn - SENSOR BURNOUT ERROR
Open ClrClilt RTD (Any onc of Ihc Ihrcc wtrcs)
Opcn circUlI Thenllocouplc
Cold JIIII\;IIOn Ihenmslor lempcralurc oul of bounds
Cold Junction Ihcnnrslor elCClrICal fault
OvEr I UndEr - INPUT SENSOR FAULT
Scnsor ovcr-rangc
Scnsor undcr-range
Opcn loop current Circuli
RTD shor1 CirCUlI
Opcn circulI III V
User non-1m funclton out of bounds
If an crror mcssage tS displayed firsl removc power and re-apply. Ir Ihc crror
condition rClllall1S Ihc mslrurncnl should be rClumcd 10 Ihe supplicr.
1
.;
of
i;
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I
,
I
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INSTRUMENT OPERATION
.~
Page 58
....
:'10.-: -.-. .- ••.•-.-...: -.- .....
SG4-2059-03
.
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. ' .' -"~ ''' ' '' . ~:..,.:...-,--.: .,, ~..... :.,,"-:.':- "#~,
"'"
,.,.;;
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USERS GUIDE
. . . . ...
~. - ' i~" ~
APPENDICES
, ", '
APPENDIX A
POWER SUPPLY SETTING ADJUSTMENT
"
....
'.
The operatll1g voltage for the WlIt, configured
top of the II1strulllellt case,
III
the factory,
IS
fOlllld
the label
011
011
If II IS reqUired to adjust tlIe settlllgs 10 converl bc(\\cell 110 HlltS and alld 2·W volts,
II IS lIecessary 10 adjust the power supply lillb fOllnd llll the lIlIdersldc or thc
Motherboard bellcalh the (ralls/onller
See APPENDIX H for II1structlOIlS on removal of electrOillc asscmbly,
LINK 1--+
LINK 1 ....
LINK 2 ..
J
240 VOLTS
•
110 VOLTS
Please lIIark the label 3Cl:ordlllgfy Wllh any dlallgc:-., sholiid the lIllIl need
retumed for any reaSOll,
SG4-2059-03
Page 59
r
! ~.,
The correct IlIlk settlllg for both the 110 volts and 240 volts arc shown bclo\\ ,
:
1:­
APPENDIX A
.
'
...
10
he
1., .
USERS GUIDE
APPENDICES
APPENDIX B
FUSE REPLACEMENT
The IIlstnllllcnt has an II1tegral Fuse mowlted on the III a II I pnllted ClrcUI[ board. The
Fusc IS ratcd at 750mA and will 1I0nnally last the Ide of [he IIlstnllllent.
Should the IIIstrullIcllt appear to be completely dead,
bluwlI alld should be replaced as follows .
Follow the electfOllIc assembly removal procedure
The Fuse
IS
located 011 the motherboard shown
III
111
It IS
possible that the Fllse ha!>
APPENDIX H
the dlagralll below .
.~.
CPU BOARD
r--------., '.!.!.!.!.!.!.!.'.!.!.!.!.!a
COMMS SLOT
INPUT BOARD
t·:·:·:·:·:·:·:·:.:.:.:.:.3
OPTION SLOT 1
FUSE--+ • • •
~
~----------------~
t·!·!·!·!·!·!·!·!·!·!·!·!·,
OPTION SLOT 2
The Fuse can be de-soldered, and a new Fuse II1stallcd
Re-assemble the IIlstrwnent.
Spare Fuses are avaIlable from your supplier.
APPENDIX B
. ~.
Page 70
SG4-2069-03
~~
..
- ·.L.
APPENDICES
USERS GUIDE
APPENDIX C
I
MECHANICAL INSTALLATION
.....
-:~
;:­
1
Whell Ill stalllllg the Illstrument 1l1l0 the pallel, the rollowlI1g dll11CIlSI0ll S should bc
takcll IlltO accoullt.
-;;.-
.­
•
~
Q1MM
.
fl
4
e
......
43......
1
- .1
.
48......
CUTOUT Q2M... x
.
44......
-
I
I
Q6......
The IIl11t IS hcld 111 the Panel by two metal clamp bars, Oil dlagollally opposlle
comers, tlllcd from the rear. A gasket is available, and should be tIlled wherever
seallJ1g of the IIlSlnllllellt is required. As seen on the dial:,'TaJTI displayed Oil the next
page .
•
•
SG4-2069-03
Page 71
APPENDIX C
.-_..-'---_. _.. . .
.
.
.- .'....
- -- ~~-- .
- -- - -_.
.
_.
_.
~
USERS GUIDE
APPENDICES
E
"
1.:-
~
"...,
it­
if
---,
~.
/"
~
(
IF FITTED
~
)
SLIDING CLAMP
1
The maxnllwn panel thickness
CLAMP BRACKET
~
~
3.5nun with the gasket fitted.
4.5nun with the gasket not litted .
HOW TO FIT THE GASKET
,I
iI
II
.~
is
1
To fit the gasket to the Wllt, firstly the sliding clamps have to be removed. Because
'the gasket has a sllcky layer, it's up to the users discretIOn m which way the gasket is
to be litted . If the user wants the gasket to be stuck to the front bezel then the
protective paper needs to be removed so the gasket can be slid down the umt until
the gasket IS stuck to the front bezel.
If the user wants the gasket to be stuck to the panel then the gasket IS slid down the
Wilt with the protective paper facmg away from the front bezel. When the gasket is
agamst the frOllt bezel, the protective paper can be removed, so wilen the Wilt IS
placed mto the panel the gasket will slick to the paneL
APPENDIX C
Page 72
.~ /,
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.
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.
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SG4-2069-03
._":­
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.
APPENDICES
USERS GUIDE
.'­
APPENDIX D
./
FITTING OF LEGENDIIDENTIFICATION
.
tr"
"
~:.
)
J
:.
A standard sheet of legends are supplicd which may be used lor thc cngllleenng UllltS
belli!; displayed . The selected legcnd should he carefully cut frOIl1 the o\'erall sheet,
llIarked with allY appropnate plant tag or loellllticatlOn. and pushed gently Into the
slot provided III .the bO!lolll right hand cOlllcr of" thc tront panel of" thc nlstnllllcnt
( sce urawmg below) Thesc legends may hc subsequently rellloved by mealls 01" a
sharp pill III the lIotch proVided .
The Legend sheet is induded With the Illstrument.
_
- .1
888888
o
0
c:::::::::::J
r::=::J
c:::::::::::J
[@ [ill ~
:'
~~~sr.~. .~
:' ?i'~~~~ ~. ~ .. '.>
c:::=::J
-
-,
c:::::::::::J
r::::::=:I
1 2 3 4
====
I
(
.... .
[
.. .
~
LEGEND WINDOW
SG4-2069-03
Page 73
. '.-': ~ ...
APPENDIX D
_ ' . ~"_' L .:"""' ~ " " !.':""" :" '~"'~"'_ ·;' ::"' .• _
. • • , _ _ . ... ~ _ •.•: . ....-l. ~ ; . ,
APPENDICES
.
USERS GUIDE
APPENDIX E
TECHNICAL SPECIFICATION
INPUT PERFORMANCE
Type
Nominal rangel,ii)
Resolution"i)
TC
TC
TC
TC
TC
TC
TC
TC
TC
-270 10 1200u C
-210 to 760 u C
-270 to 400°C
0
to 1750°C
0
to 17S0°C
0
to 6S0°C
to 600°C
0
0
to 1300 u C
1000 to ISOO°C
o I "C
IUC
O.lcC
1°C
1°C
OsoC
OsoC
O.soC
OsoC
OSoC
O.SoC
1°C
laC
]UC
0
to SO°Cliii)
O.loC
IUC")
PtlOO
-200
to SOO
O.OsoC
0.1
10voits
I-Svolts
I vol!
100mV
-IOV to 10V
IV to SV
-I V to IV
-0.1 V to O.IV
0.004%
0.008%
0.02%
0.04%
0004"10
0.004"10
0.02%
0.02%
0.004%
0.10/0
0004"10
0.1%
O. I'?o
"J
T
R
S
E
F
N
[3
Cold JUllctlO1l
i
'~
rauo°c
4-20mA
0-20mA
O-IOmA
4
0
0
APPENDIX E
-."
~
.
::-,,----" ':- ~
to 20mA
to 20mA
to 10mA
OYC
2°C
2°C
laC
0.004~0
Page 74
.....--: :-.;- ---: .....~ ........:-;.:.........-.-..... .::.:: .-."': -- -:.~
Accuracy(i)
+/-
0 I %(ii)
~I
SG4-2069-03
-~
...-.' .- -:-
-"
..-
-.-.- -
:'"
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APPENDICES
USERS GUIDE
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ADDITIONAL INPUT SPECIFICATION
A\,crage(;"
Input
Type Acq uisition Ra te
(JllHz
TIC
1).9Hz
mV
Voll s
!i .9Hz
I) 9Hz
Current
Pt 100
1.7Hz
Cold JllllctlOll(see TIC)
Thermal drift
pcr °c
Input impedance
(RTD current)
1M ohm(;')
1M Olllll(;\'
2M ohm
51 ohm
(less than I .lmA)
NA
O . OOI~·o
0.00 I°' 0. 0.004 % ("
0.002%. 0.0 II %(';)
0.001%
00 lJuC
006 u C
1
Isolatloll
,
1
Power Supply :
Output Options
Comllls Illter1'ace:
ISOOVAC
SOOVAC
500VAC
INPUT OVER-RANGE PROTECTION
Input Pin
Usual Function Absolute Maximum Rating
I
OV
NA
30VAClx;i)
2
RTD
200VAC(·ii)
J
Volls
200YAC(xii)
4
MillIvolts
S
CWTent
100mA
RELA \' OUTPUT BOARD (OPTION 01 AND 02)
Maxlmwn Rated Load
MaxImum Power
MaxImum SWltclung Voltage
Elet:tnt:al Ltle
Mechalllcal Life
7A@2S0V
1750VA
380V
7A@30V
2IOW
125V
10) operatIOns at rated load
SO mIlholl operations
Contact shullt capacItance
200pF
ThIs IS due to the Vanstor and causes a reactance of ISMohms at SOHz_
AJann detection delay
200mS
SG4-2069-03
Page 75
APPENDIX E
. <" ' .
-
•• . •.• _ . _ , -". - ' -" " - - ' - -
-
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APPENDICES
Eo -.w::
USERS GUIDE
~'.
!!.
(lIRI{I':;\T REI'I{,\NSi\IISSION BOAIW (SOl IHCE Af\'U SINh:) OPTION UJ
-
~
I'EI{H)I{ ,\ L\N( 'I': w '2(J°('
"
!!
2()u/\
(() I Ufu uf' Ma.\ CUlTellt)
/\ccur;ICI'
( ()O I U' O uf' til.: 1Ilj1lit rallge )
Resolu!loll .
211/\
IO()III:; I()r appro.\ ()."\"/o uf' step cIJalige
Re slHlIl:-e
MIIIIIIIlIIII Currellt OI l' : (hilA
Ma\llllllill CUll ell! Oil' 2111\/\ (appl'll'\)
Tllerlll;tI 1)11 I i.
<)()()IIN"C(() ()0<15"u of' Ma.\ CUlTell! IUC)
"!
!!
~
Ripple CUITell!'
~
Apprux SuA
~
VOLTAGE OUTPUT fiOARU (OPTION U4)
PERFORMANCE (ti)2UoC
~
Rall~e :
Accuracy
MaXIIJlUIII Current O/P:
ThenlJal Drift :
RIpple
Fixed Vulta~e
Programmable Vultages:
IsulatlOn:
.~.
I .
2-24 volts DC
24mV
5oiliA I>i)
10lWuV/oC
~
~
(0. f % of Max voltage)
~
(0.0045% of Max voltage rC)
~.
Approx 6mV
24V
2,2.5,3,3.5,<1,<1.5,5,6.7 ,8,9,10,12,15,20
Input
Power Supply
COIIIIIIS IIF
~
~
SOOVAC
ISOOVAC
SOOVAC
~
~
;:
!.
.~~
I;
~
f
I
~~.~
)1
,i
..
"
~
SOOVAC
ISOOVAC
SOOVAC
Input
Puwer Supply
CUIIIIIIS I/F
APPENDIX E
Page 76
."::-;- .-~-: ~: - . . _-..~ -< . . .:_.. . -_.-: - -: ,,,:,,,,,"!,,," ,,-,,,,,,,,",- •
SG4-2069..03
• -..,.~ ~-. -:,,-.":- :r~:-v:. : _,~~-''''- -:'' :~.~:~~.~. :- ..~~:::--:: ~,,:":~,"
.
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....
[
r--­
[
......
,­t[f
~ lE"":~
Ma'\lllllll1l loop IIllpedallce :
1000 uhllls
(Suurce)
OutpU! \'\llta~c drup l!./'201llA.
J Vult s
(Suurce & SlIlk)
Ma\lllllllll c.\!cllIal loup power supply vulta~e :
JOVDC
(Sillk)
MIIIIIIIlIiIl practical loop power supply vulta~e: (R L , 2Im/\)t-."\ (SlIlk)
Wherc RL IS the Luup Impedallce
Isolatlun :
,
~,
L'
!
APPENDICES
USERS GUIDE
; ~I
RS~!iS
COi\Ii\llINICATION OPTION
/
GENERAL
COllhguratlO1l
MaXIIlllIIll fail-oul
13aud J{atc
Dala IlilS
•
..
.,"",!
>~....
~:~
;
.:..? •
;,
Four wire. Half Dupkx
.'\1 IIlIlISI,iii)
%00
II
SI.1I1 blls
SlOP bus
Parlly
MaxllllllIll IlIIe length
Protocol
1I0ile
~ kill
based Oil ANSI XL'IX
TRANSMITTER
Ma'\lIllllIll dllferelltlal OUlput \'oltage 5\'
> I .5\'
OUlput voltage with 500hlll load
R.ECEIVER
DiiTcrelllial ' lIlpllt threshold vollage
IIIPllt receiver impedallee
Co llllll 0 II Illode rauge
...1-200111 V
12kolulis
-7v to + 12v
ENVIRONMENTAL
.,
Ambient operatlllg temperature range
Amblellt storage temperature rauge
Relallve HlIlllldlty
EM I Enl1SSlUll S
EMI SliscepllbllllY
Sakty
Power Supply
Power cOllsumptloll
Max III-rush l,;uITenl
Front pallel seall11g( With gasket)
SG4 -2069-03
o to 50 C
u
-20 to !WUC
20% to 95°'0 Ilon cOlldenslIlg
DeSigned to llleet EN50011 1-2
Deslglled to meet EN500112-2
Deslglled to comply With IEC 10 10-1
2~OVAC.IIOVAC.2~VAC 50/UUHz
u.5Walts max
IOOmA (r2~{)V AC
IPu5
Page 77
APPENDIX E
.
..
- :--~ - -.- . -
.
~ .~ ,-' ,
:, :
.. .. _.... '- .
APPENDICES
USERS GUIDE
Eo
~
· J
4S x 96 X 140111111
Panel CUlOut( 91 10
)111111 x (43 to 44 )lIun
All two pan captive screw tennlllais
S50g
DunenSlOllS
n
MOUlllIIIg
Tenlllnab
Weight
III
The accura0 values represent -t/_ spread (rOIll 110111111:11. UllleSS Gille,"" IS<: sialed "!t... represcnts Ihe
perccntagc of full SC<I1c ,aluc
ciil
~/u'
R..::prCSCI1IS the ,alid themuslor temperature range used for
IIIcasuflllg Cold ,IUlldlOIl IcmpcralUfc .
Slight IIHccnal "armlllg from (he UIlIl means ,lleI( temperature 15 1 or .J O( <tbo'"c 3mbicIlI
Ii, J
A\'cragc taken o\e( a I second
tim~
frame . AcqUISition defilled as complete refresh of clC\:tflCJI sensor
\ aluc 1I1I.:ludillg readlllgs to compensate (01 gam and offsct errors.
t \,
Cold JUIH..:(ion au:uraL)" Ilicludcs thcrmal UJcklHg error. IClllpcralUrc 11Ic;.lsurCIIICIU crror and (means-alloll
crror ThiS should be added (0 (hc IIldi\"ldutil IhcfIIl(.x.:ouplc aa.:uracy lo gel all o\crall
au;ur<l(~
\·alue.
1\1)
""u' represents perccntage of full SC<Ilc , 'alue,
(\'Ii)
(llpUI is llleasured (..""Orrcclly within a smallmargitl outside Ihe nornwl r<luge . This IS 7''10 ror blpol.ar
(+/-,
elcclncal inputs . Currcnt inputs thai go down 10 /.ero do 1101 ullder-range othcrwisc all olhcr scnsor
IIIputS ha\'c a 7'!tu ovcr/undcr-range margm
nus lIIay be extended" tlh sutlablc bulTCflllg
intcraal 10M ohm pull dowli rC'SISlor 10 -2.5V ThiS is olll~ slgmru.:alll for 'ugh sourc.:e
fl .x,
There is
IX)
:'0111 V .. lid IOOIliV rcs~l\cI~
(lit
Il1lpcdoWCC IIIV
inpuls.
1.\1'
I V and IIJV rcspectl\ch ,
C .\ ii}
With rcspect to Pin I or Pili
~
~
~,
~
represents pcrccnwge of readmg III sialed UlulS
~
~
~
~.
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E
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~,
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APPENDIX E
Page 78
SG4-2069-03
1IJf"..
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PHYSICAL
-.?;,
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APPENDICES
USERS GUIDE
..
APPENDIX F
: .
....
.~- :
/
TROUBLESHOOTING
1) UNIT IS COMPLETELY DEAD
I. I ) Check supply voltage
IS
prcsent
011
the rear cOllnector
12) Check tilat supply voltage corresponds with voltage stated
011
the top
uf the IIlSlrtllllenl
1.3) Replace Fuse
.,
2) INCORRECT READING
,
2.1) Check tilal Ihe Wilt
IS
sel up lor the wrrect sensor type
2.2) Check that Ihe Engllleering range has been set correct for voltage
a.nd current and correcl Wills lor lemperalure sensors.
1
2.3) Check that tilennocollpies have correcl compensalloll cable and the
·
.
,
polanty
IS
correct.
2.4) Check thai all three wires are cOllnected properly for
311
RTD .
3) UNDER/OVER RANGE
3. 1) Check thai Ihe sensor wlOng
3.2) Check Ihal
voltag~/current
3.3) Check Ihal Ihe UJ1It
SG4-2069-03
IS
IS
correct.
sensor
IS
nol open cirCUit
sel up lor correct sensor
Page 79
"
APPENDIX F
----
APPENDICES
USERS GUIDE
4) ERROR CODES
~c\cral
l:rror cudes lila) appear duc tu thl: IIltemal sdf' ched:lIll:! of the IllstnllllCIII .
IIH11C<lte seriUUS f..Hllt s which callilot be rcclilll:d In' the user iii the c\ellt or
these c\llk, velllg dlsplaycd , thc UIlIt should ve retumed to the ~upplier
I
The~e
Thc l:.nor Codes arc as folluw s,
Err UI NOll Vulatlle IIlelll\ll~ ' fallurc
.
r
Err U2 Kalil decOlk elTOI
-.:-,
~
Err U3 Ram size ullrecogillscd
~
Err U4 Input card bTur
~
Err U5 EPROM Check sulII error
Err U6 KAM fault
~
Err 07 Calibratloll data currupliull fault
~ ...
€
€
~ ...
E
€
-,
~- ~ -
~:
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APPENDIX F
Page 80
SG4-2069-03
-. .
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APPENDICES
USERS GUIDE
-';i
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...
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APPENDIX G
-'
•
-...
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MAINTENANCE
!
F
f
j-::
The IIIstrulllcnt IS a preCiSlOll piece of elcctronlc llleasllflng cquiplllelll, and yet, due
to the naturc of us design, reqlures vcry littlc mallltenance.
1) CLEANING
The only cicanlllg rcqUired IS to wipe thc tront panel With a damp cloth contalll1ng a
small quantlly of detergent.
DO NOT use all abraSive cleaner
DO NOT use any llldustnal solvents as they might affect the polyester membranc.
DO NOT apply water to any other pan of the instrument other than the frOllt panel.
The rcar of the lIlstrument IS not sealed, and water 111 tl115 area could be dangerous
and may lead to damage of the instrument.
SG4-2069-03
Page 81
APPENDIX G
h,
':
.'
APPENDICES
USERS GUIDE
f .:
€..
i.
€ - '.
APPENDIX H
;
REMOVAL AND REFITTING OF ELECTRONIC
I
ASSEMBLY.
It:,-:,r.
€. --:
~
Rcmove powcr and all other electrical connections frolll thc Illstnllllcnl.
Undo thc sliding clamps by slackenlllg th.: scrcws at thc rear and rcmovc the
IIIstrulIlcnt trOlll the panel (If panel llloullted l
~
€.
Relllove thc two self tappmg posts and two screws holding tlte rcar panel and
carefully withdraw the electrical assembly .
The layout of the electncal assembly IS as follows .
CPU
SORRO
rNPUT BOARO
c·:·:·:·:·:·:·:·:·:·:·:·:·3
OPTION SLOT 1
- --­
---..­
FUSE--+_
L-_ _ _ _ _ _..I
,:.Ie!
.:.!.i.!.!.!.:.'.:.!.,
OPT ION SLOT 2
REFITTING
TillS IS the reverse process of the removal, however, It IS Important to note the
followmg .
Make sure that the cold JWlC\!On thermIstor on the IIIput card, fit s correctly mto the
cold JunctIon pocket III the rear panel.
Do 1I0t over tighten the rear panel screws and posts.
"".
--
.~
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REMOVAL
APPENDIX H
,..
Page 82
SG4-2069-03
•••
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APPENDICES
USERS GUIDE
INSTALLATION OF OPTIONS
The JIlstrwncnt has two optIOn slots IIlto which a range of option cards may bc IlllCd .
Thcsc may be retero-lilled by the user JIlto unused slots.
There IS thc 1II11111llUIII of configuratIOn reqUired, as ~oftware wlthJll the IIlstruJl1cnt
automatically detects willch optIOn card~ are fitted a.nd adjusts the programJl1l1lg
menus and operation accordlllgly .
There are four output option cards available. In order to help Identify willch are
which, the !ollowmg dlab'TamS Idclitlty the malll features 011 each board.
OPTION Ol-CHANGE OVER RELAY
•
•
OPTION 02-DUAL RELAY
•
•
••
OPTION 03-CURRENT RETRAN
OPTION 04- VOLTAGE OUTPUT
In order to fit option boards It IS first necessary to gam access to the electrolllc
assembly. See APPENDIX H for IIlStruCtlOIlS on removal of electrolllc assembly .
If OPTION 03 or OPTION 04 IS to be retro fitted by the user It IS necessary to
perfrom tlle calibratIOn procedure in sectIOns 4.2.5.3 and 4.2.5.4.
SG4-2069-03
Page 83
APPENDIX I
APPENDICES
USERS GUIDE
€"I:"
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CPU BOARD
€
INPUT BOARD
c·:·:·:·:·:·:·:·:·:·:·:·:·:J
OPTION SLOT 1
FUSE~ • • •
~
e·:·!·:·!·:·!·:·!·!·!·:·!·'
.....- - - - - - - ­..... OPT ION SLOT 2
The optIOn boards should be lilled
carefully onto the dual row or pillS
of the required slot. Make sure that
the header pillS ahgn correctly wllh
the optIOn board socket.
The communications slot IS
dedIcated to the RS485 board. A
representalJon of tillS board IS shown
opposite . Note that the POSitIons of the Imks on the board are
poslllons . The functIOn of each hnk IS as follows: -
III
the default
TERM INA TlON
When IN, tins 'puts a 100 ohm tennlllalJon across the receive line .
applicable lor long distance networks and should nonnally be lett out.
ThiS IS ollly
RS232 OFFSET
Adjusts the receiver sll,'llal detect level from Ov to 2 .5v. ThiS IS not an RS232 card
but could assist commUlllcatlO1I wllh a RS2J2 interlace . 1111s IlIIk IS normally out.
APPENDIX I
Page 84
SG4-2069-03
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USERS GUIDE
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RELAY BOARD ADJUSTMENT
The factory supplied Dual Relay Card is wired sllch Ihal the power-off state leaves
the relay contacts closed . If It is required to change this selling It IS necessary to
change Ihe hardWIred hnks .
I ,'
A represenlalloll of the dual relay board is shown below.
•
it
•
..
II
a·
The factory set links which delennine the power-off slate are as follows:­
CLOSED
OPEN
RELAY 1
LKla
LKlb
RELAY 2
LK3a
LK3b
LK2
IS
not linked for eIther case .
. " , .
" :-.
SG4-2069-03
Page 85
APPENDIX J
,:,"
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APPENDICES
USERS GUIDE
€:
The perfo nllallce of the rela y alanlls for bOlh sClllIIgS IS SllllllllarIsed 111 the fo lloWlllg
tables .
/
.;
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,­
POWER OFF STATE = CLOSED CONTACTS
ALARM
OPTION
NON INV
INV
POWER OFF
POWER ON
NO ALARM
IN ALARM
1:3 CLOSED
23 CLOSED
1:3 CLOSED
2:3 CLOSED
13 OPEN
2:3 OPEN
1:3 CLOSED
2:3 CLOSED
13 OPEN
2:3 OPEN
1:3 CLOSED
2:3 CLOSED
POWER OFF STATE = OPEN CONTACTS
ALARM
OPTION
NON INV
INV
APPENDIX J
POWER OFF
POWER ON
NO ALARM
IN ALARM
1:3 OPEN
2:3 OPEN
13 OPEN
23 OPEN
1:3 CLOSED
2:3 CLOSED
1:3 OPEN
2:3 OPEN
1:3 CLOSED
2:3 CLOSED
1:3 OPEN
23 OPEN
Page 86
SG4-2069-03
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USERS GUIDE
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APPENDICES
USE OF A RELAY TO
SWIT~LOW
CURRENTS
The relay boards are rated for 7 amps at 240V . Swltcillng power IS the most popular
apphcatlon . In order to suppress nOise generated a.nd lugh voltage spikes, a Varistor
fitted across each contact. These are et1Cctlvely capaCitors which clamp lugh
I~
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SG4-2069-03
Page 87
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APPENDIX J
APPENDICES
USERS GUIDE
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APPENDIX K
f
USER COMMUNICATION SOFTWARE
l
Tills s~~tlUll alillS to provldc sufficient IIIfonllallon to ellable a lIser to Wrltc soli ware
lor ;I Personal Computcr to IIItCr1J~C directly \\'Ith IIlstnllllcnts on a nctwork . As all
cOllfl),:uratlon and rUlltllll~ data arc avallablc via thc COlllnb, th~r~ IS grcat potcllllal to
tailor a syst~1II to a lI s ~rs IIIdlvldlial rcqlllrclllcllts.
lnlonllatloll for elcctncally conne~lIng a nctwork of Ulllb IS dealt wltlllll thc wiring
SCCtlOIl of thiS manual. TillS sec\loll explallls the softwarc IIItertJcc and the basIc
COIllIllS operatIOn of the IIlstrumelll. The schematic of a tYPical network showlIlg
three Instruments IS shown below . Note tl1<lt this IS not winng detail, only a
schemallc of signal IntercOIUlectlons.
~: -
~.
l~
€~
l"
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UNIT 1
UNIT2
UNIT3
TX
TX
TX
~
€;.
TX
RX
~
f
RX
RX
~...
.
RX
f: :
~:
You will notice that the transmIt lines from the units are connected together. ThiS
means that only one Ulllt can transmIt at a tllne wIthout clasillng the Slb'llal. For tillS
reason the COl~lJnUlllcatlon software III the Illstrwnellt(s) only responds to messages
Issued by the Pc. No mcssagcs are generated spontaneously by thc UllltS, III tillS way
the PC mallltalllS cOlltrol over the network. Thus the PC IS rcgarded as thc MASTER
and the WiltS on the network are SLA YES .
The othcr problem obVIOUS from the above schematiC IS Ihal evcn though thc
I{ I~t
SG4-2069-03
Page 88
APPENDIX K
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USERS GUIDE
li !';
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"-"-
~.
~.~
- .
~J
~j
~.
~
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MASTER transmits to all of the SLAVES simultaneollsly, only one may respond .
otherwise Slb'lIals wIll clash together. TillS is amlJlged by allocatlllg each SLA VE
Ulllt a UlllqUC address . TillS address IS called the deVice number and IS prOb'TaJIIIllcd
IIItO the Ulllt before II IS cOllllected to the network by progranllTiing the CO NET
parameters menu wlthlll the SYS menu. See the prob'TaJnmlllg sectIOn lor detaIls .
The COIllIllS messages issued by the host can be one of two types
Data Request - MASTER requests data from a SLA VE.
Data Iniposition - MASTER writcs data to a SLA VE .
The most convement way to describe these message types is to show aJl eXaJllple for
eacll message type. It IS 1I0t III1POrtaJlt to understaJld the full detail of the message at
tlus stage as tlus will be covered later, however the lollowlllg control wde dellllltlOlIs
wIll probably be useful.
<SOH>
<STX>
<ETX>
<ACt\:>
<BCC>
Start Of Header
Start Of Text
End Of Text
Acknowledge
Block Check Character
For the purposes of this eXaJnple assume that the MASTER is connected to three
SLA VE Wilts as shown In the above schemallc. The DeVice numbers for the UllltS are
1,2 aJld 3 aJld deVice nwnber 2 has a Rate mput measunng 79 .8 Ll!res/hr and an
Alarm Output.
. -:: :
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SG4-2069-03
Page 89
APPENDIX K
;",
APPENDICES
USERS GUIDE
EXAMPLE 1 DATA REQUEST
The MASTER requests the Process Variable from SLAVE device 2 The process IS
1I1Itiated ~Y the MASTER sendlllg the fOl!owlllg message.
S()H 02 SiX '!CHOOO
n :r
H( .( .
III order to see what actual data IS sellt from the host, see the table below . Note that
the data IS III he\adeellllal.
PC MASTER TO SLAVE DEVICE(S) DATA REQUEST
"02"
SOH
01
30
SlX
I 32
02
"?CHOOO"
3F
I 43 I 48 I 30 I 30 I 30
ElX
BCC
03
BC
All tllree UllltS receive the message, although UllItS I a.nd 3 will disregard It as the 02
earned III the 111Itlal part of the message deSIl:,'1lates the message as being for device 2
only. Device 2, on receipt of the message reeol:,'1l1ses the 02 address as liS own device
nwnber and examllles the maIO part of the message to see what action to take. The
malll part or the message in this case is ?CHOOO. The question mark is the first
character and IS used to denote that the lIIessage IS a data request. CH IS a mnemonic
representmg CH3IUlel value ( Process Vanable). A full list of nUlemOIllCS are
available later on III tIllS Appendix . The remalllder of the message IS called the IIIdex,
31ld as there IS only one Channel on thiS device It IS superfluous and IS set to zero.
Havlllg recol:,'1l\Sed a valid message, the IIIstrulllent first acknowledges back to the
host and then replies with the current Process Variable value. The fonnat for the
message IS shown below, notice there IS no device nUlllber embedded m the message­
there IS only one MASTER device .
~:
SLAVE DEVICE TO MASTER REPLY
ACK
SOH
SlX
06
01
02
,. 79.8"
20
I 20 I 37 I 39 I 2E I 38
ElX
Bce
03
16
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APPENDIX K
Page 90
SG4-2069-03
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USERS GUIDE-- ' - -
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EXAMPLE 2 DATA IMPOSITION
_ ~1
:~,
For a second example, take the case of the MASTER Isslilng a message, tills tllne to
change an Alann Setpolllt value agalll directed at device 2.
The MASTER sends the followmg sequence.
~I
.~
PC MASTER TO SLAVE DEVlCEIS) DATA IMPOSITION
''02''
SOH
"
.
.
•
.
01
30
32
STX
02
!AS00180.0
30
21
ETX
BCC
03
OC
The r~celpt of the message by device number 2 IS exactly as III the prevIous example .
This tune, however, the ! IIIdicates the message IS a data IInposltlon and applIes 10
the A/ann SelpOlllt (AS). There are two alarms, the IIIdex 00 I indIcates that It applies
the first A1ann ( Alarm 2 would have an IIldex of 002) . Device 2 updates the A1ann
setpolllt With 1l0.0 and then responds wllh an acknowledgement as shown below .
SLAVE DEVICE TO MASTER REPLY
ACK SOH STX ACK ETX BCC
06
..'
.
."
. , '.
...
",: ..' .;
-:- .. :.... : .
- '.
01
02
06
03
06
There IS one IInportant pomt to wlderstand here. The new A1ann Setpolllt has been
programmed mto the devIce and will be used to conlrol the A/ann operallon .
However, It has not been progranuned lIItO non-volatile memory WIthin the
lIIstrwnent, so when power IS removed, II will be lost and on powenng the IIlstrument
agalll, the onglllal setpollll value will be restored.
The next example shows how programmed data is stored to non volatile memory.
SG4-2069-03
. -.. '
-­
Page 91
APPENDIX K
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USERS GUIDE
~---
EXAMPLE J ACTION
Although, at the start of tillS section, 11 was stated that there are two types of
. message: a Data 'Request alld a Data ImpositIOn; there IS stnctly a tlllfd type . This
I lIIessage has the same fonnat as a data imposition except no data IS transferred alld it
has the effect of maklllg the instrument do an action III this case the action is to save
all of the sCtllllgs to non volatile memory.
The MASTER sends the following sequellce.
PC MASTER TO SLAVE DEVICE(S) DATA STORE
SOH
01
"02"
30
SlX
32
02
"!ds"
21
ElX
BCC
03
17
53
Agalll dcvice 2 receIves the message which is initially treated as a Data imposition.
The ds mnemonic is taken as an instruction to do a data store to non volatile
lIIemory . An index or data is superfluous and is not included. On doing a data store
an acknowledge IS issued as shown below.
SLAVE DEVICE TO MASTER REPLY
ACK
SOH SlX
06
01
02
ACK
ElX
BCC
06
03
06
Page 92
APPENDIX K
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SG4-2069-03
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APPENDICES
USERS GUIDE
--==..~---------------------------------------------
......
....~
THE CONTROL CODES
..
.~
Up to now the control codes have broadly been Ib'llOred, although the function of
most of them IS probably self~evldent from the above examples. These will be
explamed In more detail here.
',\1
.",,:.­
The control codes have two functions. First of all, they proVide markers to IIldlcate
the start of the message and separate the different types of data with the message .
And secondly, they provide integrity checklllg of the message.
The <SOH> Start of Header control code will always be the first charactcr III the
message. TIllS IIIdlcates that the Header will follow and has a value of 0 I .
The <STX> Start of Text character IIldicates that the Header infonnatlon has fimshed
and the Text or main body of the message will follow. this has a value of 02.
The <ETX> End of Text character indicates the end of the end of the main part of
the message and the Block check character will follow. The End of Text character
has a value or03 .
The <BCC> has not got a fixed value like the other control codes as 1\ IS a
calculated vafue based upon a modulo 256 swn of all non control code characters III
the message. This IS calculated for each message before it IS translllitted and the
receiver confinns that a repeat calculatIOn of the message results III the sallie block
check value . If there has been any conupllon m any part of the message, the block
check character and the recalculated value will 1I0t tie up. If an IIlstrwnent receives a
conupted message, 11 IS Ih'lIOred. It IS up to the wnter of PC software to detennllle
what the MASTER does III such a situation.
The Block check character IS for the message in example I IS calculated as follows :­
30
32
3F
43
48
3.0
I .•
,
..
30
30
Total IBC
Modulo 256 ( least Slh'luflcant byte) BC
SG4-2069-03
Page 93
APPENDIX K
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APPENDICES
EXAMPLE BASIC PROGRAM
USERS GUIDE
____
The follOWing BASIC program provides an example of a simple cOrrUnunications
lIlterface to flUl on a Pc. The program IS coded to use COM I and communicate with
devIce I, but these may be modified as reqUIred .
I
10 OPEN "COM1 :9600,N,B,1" AS #1: header$="01"
20 INPUT "Enter text string ( 0 to quit)";text$:if text$="O" goto 90
50 gosub 100: PRINT#1,TX$
70 gosub 200: if left$(text$,1) = "'" then mid$(text$,1,1)= "?":goto 50
BO print "RECEIVED[ ";rx$;" ]": goto 20
90 end
100 REM Calculates block check character based on header and text strings
150 sum=O: Ih=len(header$):It=len(text$)
170 for i=1 .to Ih:sum=sum+asc(mid$(header$,i,1 »):next
1BO for i=1 to It:sum=sum+asc(mid$(text$,i,1 »:next:bcc=sum-(256°int(suml256»
190 tx$=chr$(1 )+header$+chr$(2)+text$+chr$(3)+chr$(bcc)
195 return
200 REM Reads in received data without checking block check character
240 rx$= ....
245 ch$ = input$(1,#1):if ch$ <> chr$(1) goto 245
250 ch$ = input$(1,#1):if ch$ <> chr$(2) goto 250
260 ch$
=input$(1,#1):if ch$ =chr$(3) goto 270
265 rx$=rx$+ch$:goto 260
270 return
The following tables list the available conuns mnemonics for the instrument.
APPENDIX K
Page 94
SG4-2069-03
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Page 95
APPENDIX K
:
.
APPENDICES
USERS GUIDE
DATA FORMAT 9FfINITION
NO DATA
/
No data actually transferred.
Tlus type of message initiates an activity within the instrument
ratJler than accessing data . For instance, sending the Text string
!ds will cause the wilt to store its scratch parameter data area to
EEPROM .
Tlus must always be done after configuration
parameters have been modified via the Comms. If tJlis is not done
the changes will be lost when tJle illstnunent is switched off
OPTION
An ASCII nwnber corresponding to the position of an item within
tJle list of parameters denoted in the associated FORMAT colwnn
of the Message table. The numbering starts
from zero . E.G All Alann action (AA) High Alann will have a
data field of 2. ( See previous page)
VALUE
These are ASCI! nwneric fields which are scaled and formatted
according to the entry in the FORMAT colwnn of the message
table.
TYPE OF DATA
ENGINEERING UNITS
REAL
10 Vol! range
1-5 Vol! range
IVol! range
WUmV range
4-20mA range
U-2UmA range
II-lOrnA range
% OF ENG RANGE
UNSIGNED INTEGER
APPENDIX K
LOW LIMIT
-ENG HI
HIGH LIMIT
-I;.Nfi III
-7%
FIELD
WIDTH
DECIMAL
PLACES
6
01'
-31UOU
6.JUUU
6
DP
- 10
10
U
5
6
6
6
1
J
-I
- IOU
IUU
U
1U
6
6
0
1U
6
U
IU
6
3
I
1
U.UU
yy. yy
2
1
2
V
65536
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Page 96
SG4-2069-03
~:
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APPENDICES
USERS GUIDE
STRING
This is an individually fonnatted string, usually (but not always )
read-only . See below for details.
~,
_l .
~.~
.-
.~
./
.--.:
.­'1
1;
!:,
~,
S,
:, .
This reports upon the identity of the instrument. This may only be data requested the
retumed data fonnat is as follows .
aabbbbbbOccdeOOOOffOOOO
aa:
~
. "-!
SV: System request
' C:~
"-- (l
',J
'j
(J
bbbbbb:
cc:
d:
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I
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e:
ff:
device type DM for Digital Meter
Issue date of software
Variant type; U=O I, C=02; A=03
Contents of option slot 1;
Nothing fitted=O;
Single Relay board=2;
Dual Relay board=3;
Volt o/p=4;
RTX board=5
Contents of option slot 2; Fonnat as above .
Number of channels; 0 I always
SG4-2069-03
Page 97
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APPENDIX K
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APPENDICES
USERS GUIDE
APPENDIX L
CONFIGURATION USING RCP
The Wllt, as supplied from the factory, is configured for a 4-20mA current sensor,
0-100 in engmeerUlg WlltS . ThIs is a popular configuration which may be suitable for
your applicatIon
If different se\1l11gs are reqUIred then configuration is necessary. Tlus can be done in
two ways, one way is to configure each Wlit from the frOllt panel, or alternatively to
transmit the data down to all the Wlits via the corruns cable. This IS a more user
friendly way to program multiple Wlits as the settings can be progranuned to all Ule
Wlits simultaneously .
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Configuration is a simple process by which the desired se\1ings are selected on a
computer and downloaded via the serial port to the Wlit or units. As soon as
downioadlllg IS complete, the Wlit takes on the new configuration and stores the
parameters ill nOli-volatile memory . The unit may be configured mallY times , but
once programmed, the 'personality' of the instrument remains fixed, even if the power
is removed .
Configuration is done by using a PC running Remote Configuration Package VIa a
corruns lead, see wiring section in the manual for wiring the comms lead.
~I
COMMS SLOT
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APPENDIX L
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Page 98
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APPENDICES
USERS GUIDE
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The RCPsoftware package allows access to all instrument parameter settings on one
screen (as shown below), These settings can be changed by either editing the default
screen, uploading from another instrument, or from a file containing the required
settings previously saved ,
To edit the settings on the screen, a mouse or keyboard may be used, When using a
mouse (it is important the ports are correctly defined) the user can move around the
screen and click onto the parameter which is to be changed ,
Using the keyboard the TAS key is used to cycle around the parameter areas , The
arrow keys will move the high lighted parameter withm the area, the Enter key is
used to select the parameter which requires editing,
When the edited screen has been updated the parameters can then be downloaded to
the instrwnenL Also the edited paramet'ers may be saved to file for use at a later
date,
Edit
Pile
IHPIITS
Sensor
Rangc
Unit"
Display Res
Pilter
JUJOpout
Uoltage
51WJ
UNITS
XXX.X
2 Sees
1"­
Quit
Deuic ..
Pa""word
UD/IUL4,Y AUItM OUTPUTS
UD!Rll.AY AlARM
1
3
2
4
Action
Action
OPP
OFP
OPP
OPP
Latch
PALSE
Latch
FALSE
PALSE
PALSE
Satpoint
8geIL8 9988.8 Setpoint
8888.8 1J988.8
H""t ...... Eil: 8ge.88 988.88 Hysteresis 889.88 988.88
Deviation NONE
Deviation NONE
NONE
NONE
Sense
NONlNU NONlNU
NONINU NONINU genae
Dc lay
Delay
OPP
OFP
OPP
OFF
Watchdog
Watchdog
OFF
OFF
OFP
OPP
CURRENT RE-TX I
CURRENT RE-TX J
Span
1-21JooA
£ pan
1-2800A
Type
Type
RETRAH
RET RAN
Low Rang"
88811.8
Low Range
8898.8
High Range
1888.8
High Range
1888.8
P..... "t
588.8
P.....et
588.8
VOLTAGE OUTPUT I
VOLTAGE OUTPUT 3
VOLTS 2.5 V
SG4-2069-03
Page 99
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VOLTSSV
APPENDIX L
:. :
INDEX
INDEX
... . .­
USERS GUIDE
Page 100
SG4-2069-03
..:­
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INDEX
USERS GUIDE
I
/'
R
L
Legend sheet
73
Maintence
Mechanical installation
Menu s
setpoints
input
output
system
calibration
81
82
Rep
configuration
Relay boards
wiring
submenu
alarm state
latch enable
set point
hysteresis
deviation band
invert activation of relay
delay
Relay board adjustment
Use relay to switch low currents
Removal of assembly
Reset all parameters to default
M
-",-.
30
31
43
55
59
o
Output card
wiring
relay board
current board
voltage board
calibration
installation
Output submenu
relay and led alarms submenu
current output board
bridge excitation board
13
15
16
60
83
44
50
54
SG4-2069-03
56
56
56
69
6
6
26
28
7
Sensor connections
Setpoints
setpoints submenu
view set points
Signal conditioning
Syst,em parameters
password submenu
corrununication submenu
Specification
66
Troubleshooting
79
Unpacking the instrument
5
Voltage excitation card
accuracy
voltage board calibration
voltage outputs
wiring
76
61
54
16
Wiring
input connections
output connections
corruns connections
8
13
17
30
64
55
59
74
U
V
23
23
24
45
45
45
46
47
48
49
85
87
82
62
T
22
24
13
S
p
Password submenu
code
level
automatic cycle
Power supply
adjustment
wmng
wiring precautions
Programming
tutorial guide
user key definitions
getting into menu mode
moving around the menu
entering into a submenu
editing a parameter
escaping from submenus
98
W
Page 101
INDEX
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