Safety
Beforeꢀinstallation:
Thisꢀmodemꢀisꢀforꢀrestrictedꢀaccessꢀareaꢀuseꢀonly.ꢀ
Readꢀthisꢀmanualꢀcompletelyꢀandꢀgatherꢀallꢀinformationꢀonꢀtheꢀunit.ꢀMakeꢀsureꢀ
thatꢀyouꢀunderstandꢀitꢀfully.ꢀCheckꢀthatꢀyourꢀapplicationꢀdoesꢀnotꢀexceedꢀtheꢀsafeꢀ
operatingꢀspecificationsꢀforꢀthisꢀunit.ꢀ
Thisꢀunitꢀshouldꢀonlyꢀbeꢀinstalledꢀbyꢀqualifiedꢀpersonnel.
Thisꢀunitꢀshouldꢀbeꢀbuilt-inꢀtoꢀanꢀapparatusꢀcabinet,ꢀorꢀsimilar,ꢀwhereꢀaccessꢀisꢀ
restrictedꢀtoꢀserviceꢀpersonnelꢀonly.
Theꢀpowerꢀsupplyꢀwiringꢀmustꢀbeꢀsufficientlyꢀfused,ꢀandꢀifꢀnecessaryꢀitꢀmustꢀbeꢀ
possibleꢀtoꢀdisconnectꢀmanuallyꢀfromꢀtheꢀpowerꢀsupply.ꢀEnsureꢀcomplianceꢀtoꢀ
nationalꢀinstallationꢀregulations.
Maximumꢀ20ꢀAꢀbranchꢀcircuitꢀprotectionꢀrequired.
TheꢀproductꢀisꢀintendedꢀtoꢀworkꢀwithꢀITꢀpowerꢀsystem.
Thisꢀunitꢀusesꢀconvectionꢀcooling.ꢀToꢀavoidꢀobstructingꢀtheꢀairflowꢀaroundꢀtheꢀunit,ꢀ
followꢀtheꢀspacingꢀrecommendationsꢀ(seeꢀCoolingꢀsection).
Beforeꢀmounting,ꢀusingꢀorꢀremovingꢀthisꢀunit:
Preventꢀaccessꢀtoꢀhazardousꢀvoltageꢀbyꢀdisconnectingꢀtheꢀunitꢀfromꢀpowerꢀsupply.
Warning!ꢀDoꢀnotꢀopenꢀconnectedꢀunit.ꢀHazardousꢀvoltageꢀmayꢀoccurꢀwithinꢀthisꢀ
unitꢀwhenꢀconnectedꢀtoꢀpowerꢀsupplyꢀorꢀTNVꢀcircuits.
Careꢀrecommendations
Followꢀtheꢀcareꢀrecommendationsꢀbelowꢀtoꢀmaintainꢀfullꢀoperationꢀofꢀunitꢀandꢀtoꢀfulfilꢀ
theꢀwarrantyꢀobligations.
Thisꢀunitꢀmustꢀnotꢀbeꢀoperatingꢀwithꢀremovedꢀcoversꢀorꢀlids.
Doꢀnotꢀattemptꢀtoꢀdisassembleꢀtheꢀunit.ꢀThereꢀareꢀnoꢀuserꢀserviceableꢀpartsꢀinside.
Doꢀnotꢀdrop,ꢀknockꢀorꢀshakeꢀtheꢀunit,ꢀroughꢀhandlingꢀaboveꢀtheꢀspecificationꢀmayꢀcauseꢀ
damageꢀtoꢀinternalꢀcircuitꢀboards.
Doꢀnotꢀuseꢀharshꢀchemicals,ꢀcleaningꢀsolventsꢀorꢀstrongꢀdetergentsꢀtoꢀcleanꢀtheꢀunit.
Doꢀnotꢀpaintꢀtheꢀunit.ꢀPaintꢀcanꢀclogꢀtheꢀunitꢀandꢀpreventꢀproperꢀoperation.
Doꢀnotꢀexposeꢀtheꢀunitꢀtoꢀanyꢀkindꢀofꢀliquidsꢀ(rain,ꢀbeverages,ꢀetc).ꢀTheꢀunitꢀisꢀnotꢀwater-
proof.ꢀKeepꢀtheꢀunitꢀwithinꢀtheꢀspecifiedꢀhumidityꢀlevels.
Doꢀnotꢀuseꢀorꢀstoreꢀtheꢀunitꢀinꢀdusty,ꢀdirtyꢀareas,ꢀconnectorsꢀasꢀwellꢀasꢀotherꢀmechanicalꢀ
partꢀmayꢀbeꢀdamaged.
Ifꢀtheꢀunitꢀisꢀnotꢀworkingꢀproperly,ꢀcontactꢀtheꢀplaceꢀofꢀpurchase,ꢀnearestꢀWestermoꢀꢀ
distributorꢀofficeꢀorꢀWestermoꢀTechꢀsupport.
Maintenance
Noꢀmaintenanceꢀisꢀrequired,ꢀasꢀlongꢀasꢀtheꢀunitꢀisꢀusedꢀasꢀintendedꢀwithinꢀtheꢀspecifiedꢀ
conditions.
Theꢀunitꢀinteriorꢀdoesn’tꢀcontainꢀanyꢀuserꢀsettableꢀitems,ꢀallꢀconfigurationꢀisꢀperformedꢀ
viaꢀtheꢀDTEꢀinterfaceꢀwithꢀAT-commands.
6619-2202
3
Agencyꢀapprovalsꢀandꢀstandardsꢀcompliance
Type
Approvalꢀ/ꢀCompliance
EMC
ENꢀ61000-6-2,ꢀImmunityꢀindustrialꢀenvironm
ENꢀ55024,ꢀImmunityꢀITꢀequipment
ENꢀ61000-6-3,ꢀEmissionꢀresidentialꢀenvironments
FCCꢀpartꢀ15ꢀClassꢀB
ENꢀ50121-4,ꢀRailwayꢀsignallingꢀandꢀtelecommunicationsꢀapparatus
IECꢀ62236-4,ꢀRailwayꢀsignallingꢀandꢀtelecommunicationsꢀapparatus
ENꢀ60950-1ꢀandꢀULꢀ60950-1,ꢀITꢀequipment
Safety
PSTN
CSꢀ03ꢀPartꢀ1,ꢀissueꢀ9
FCCꢀpartꢀ68,ꢀTIA-968-A
ETSIꢀTS103ꢀ021-1,ꢀETSIꢀTS103ꢀ021-2,ꢀETSIꢀTS103ꢀ021-3
AS/ACIFꢀS002,ꢀAS/ACIFꢀS006
Accordingꢀto:ꢀꢀ
TIA-968-AꢀandꢀCS-03ꢀPartꢀ1,ꢀissueꢀ9ꢀ
ThisꢀequipmentꢀcompliesꢀwithꢀPartꢀ68ꢀofꢀtheꢀFCCꢀrulesꢀandꢀtheꢀrequirementsꢀadoptedꢀbyꢀtheꢀACTA.ꢀ
Onꢀtheꢀleftꢀsideꢀofꢀthisꢀequipmentꢀisꢀaꢀlabelꢀthatꢀcontains,ꢀamongꢀotherꢀinformation,ꢀaꢀproductꢀ
identifierꢀinꢀtheꢀformatꢀUS:AAAEQ##TXXXX.ꢀꢀIfꢀrequested,ꢀthisꢀnumberꢀmustꢀbeꢀprovidedꢀtoꢀtheꢀ
telephoneꢀcompany.
Aꢀplugꢀandꢀjackꢀusedꢀtoꢀconnectꢀthisꢀequipmentꢀtoꢀtheꢀpremisesꢀwiringꢀandꢀtelephoneꢀnetworkꢀmustꢀ
complyꢀwithꢀtheꢀapplicableꢀFCCꢀPartꢀ68ꢀrulesꢀandꢀrequirementsꢀadoptedꢀbyꢀtheꢀACTA.ꢀAꢀcompliantꢀ
telephoneꢀcordꢀandꢀmodularꢀplugꢀisꢀprovidedꢀwithꢀthisꢀproduct.ꢀꢀItꢀisꢀdesignedꢀtoꢀbeꢀconnectedꢀtoꢀaꢀ
compatibleꢀmodularꢀjackꢀthatꢀisꢀalsoꢀcompliant.ꢀ Seeꢀinstallationꢀinstructionsꢀforꢀdetails.
Caution-toꢀreduceꢀtheꢀriskꢀofꢀfire,ꢀuseꢀonlyꢀNo.26ꢀAWGꢀorꢀlagerꢀtelecommunicationꢀcable.ꢀ
TheꢀUSOCꢀjackꢀrequiredꢀRJ11-C,ꢀandꢀtheꢀRENꢀisꢀusedꢀtoꢀdetermineꢀtheꢀnumberꢀofꢀdevicesꢀthatꢀ
mayꢀbeꢀconnectedꢀtoꢀaꢀtelephoneꢀline.ꢀ ExcessiveꢀRENsꢀonꢀaꢀtelephoneꢀlineꢀmayꢀresultꢀinꢀtheꢀ
devicesꢀnotꢀringingꢀinꢀresponseꢀtoꢀanꢀincomingꢀcall.ꢀInꢀmostꢀbutꢀnotꢀallꢀareas,ꢀtheꢀsumꢀofꢀRENsꢀ
shouldꢀnotꢀexceedꢀfiveꢀ(5.0).ꢀToꢀbeꢀcertainꢀofꢀtheꢀnumberꢀofꢀdevicesꢀthatꢀmayꢀbeꢀconnectedꢀtoꢀaꢀ
line,ꢀasꢀdeterminedꢀbyꢀtheꢀtotalꢀRENs,ꢀcontactꢀtheꢀlocalꢀtelephoneꢀcompany.ꢀ Forꢀproductsꢀapprovedꢀ
afterꢀJulyꢀ23,ꢀ2001,ꢀtheꢀRENꢀforꢀthisꢀproductꢀisꢀpartꢀofꢀtheꢀproductꢀidentifierꢀthatꢀhasꢀtheꢀformatꢀ
US:AAAEQ##TXXXX.ꢀTheꢀdigitsꢀrepresentedꢀbyꢀ##ꢀareꢀtheꢀRENꢀwithoutꢀaꢀdecimalꢀpointꢀꢀ
(e.g.,ꢀ03ꢀisꢀaꢀRENꢀofꢀ0.3).ꢀ Forꢀearlierꢀproducts,ꢀtheꢀRENꢀisꢀseparatelyꢀshownꢀonꢀtheꢀlabel.
IfꢀthisꢀequipmentꢀTDW-33ꢀcausesꢀharmꢀtoꢀtheꢀtelephoneꢀnetwork,ꢀtheꢀtelephoneꢀcompanyꢀwillꢀnotifyꢀ
youꢀinꢀadvanceꢀthatꢀtemporaryꢀdiscontinuanceꢀofꢀserviceꢀmayꢀbeꢀrequired.ꢀꢀButꢀifꢀadvanceꢀnoticeꢀ
isn'tꢀpractical,ꢀtheꢀtelephoneꢀcompanyꢀwillꢀnotifyꢀtheꢀcustomerꢀasꢀsoonꢀasꢀpossible.ꢀAlso,ꢀyouꢀwillꢀbeꢀ
advisedꢀofꢀyourꢀrightꢀtoꢀfileꢀaꢀcomplaintꢀwithꢀtheꢀFCCꢀifꢀyouꢀbelieveꢀitꢀisꢀnecessary.
Theꢀtelephoneꢀcompanyꢀmayꢀmakeꢀchangesꢀinꢀitsꢀfacilities,ꢀequipment,ꢀoperationsꢀorꢀproceduresꢀthatꢀ
couldꢀaffectꢀtheꢀoperationꢀofꢀtheꢀequipment.ꢀ Ifꢀthisꢀhappensꢀtheꢀtelephoneꢀcompanyꢀwillꢀprovideꢀ
advanceꢀnoticeꢀinꢀorderꢀforꢀyouꢀtoꢀmakeꢀnecessaryꢀmodificationsꢀtoꢀmaintainꢀuninterruptedꢀservice.
4
6619-2202
IfꢀtroubleꢀisꢀexperiencedꢀwithꢀthisꢀequipmentꢀTDW-33,ꢀforꢀrepairꢀorꢀwarrantyꢀinformation,ꢀpleaseꢀ
contactꢀWestermoꢀDataꢀCommunication,Inc.ꢀ11200ꢀWestheimer,Suitꢀ900.ꢀHouston,TX,,77042.ꢀꢀ
Phoneꢀnumber:ꢀ713-240-0367.ꢀ Ifꢀtheꢀequipmentꢀisꢀcausingꢀharmꢀtoꢀtheꢀtelephoneꢀnetwork,ꢀtheꢀꢀ
telephoneꢀcompanyꢀmayꢀrequestꢀthatꢀyouꢀdisconnectꢀtheꢀequipmentꢀuntilꢀtheꢀproblemꢀisꢀresolved.
Thereꢀareꢀnoꢀrepairsꢀtheꢀcustomer/userꢀcanꢀperformꢀinsideꢀtheꢀmodem.
Inꢀtheꢀeventꢀofꢀequipmentꢀmalfunction,ꢀallꢀrepairsꢀshouldꢀbeꢀperformedꢀbyꢀourꢀCompanyꢀorꢀanꢀ
authorizedꢀagent.ꢀ Itꢀisꢀtheꢀresponsibilityꢀofꢀusersꢀrequiringꢀserviceꢀtoꢀreportꢀtheꢀneedꢀforꢀserviceꢀtoꢀ
ourꢀCompanyꢀorꢀtoꢀoneꢀofꢀourꢀauthorizedꢀagents.ꢀꢀServiceꢀcanꢀbeꢀfacilitatedꢀthroughꢀourꢀofficeꢀat:
WestermoꢀDataꢀCommunicationꢀInc
11200ꢀWestheimerꢀSuitꢀ900
Houston,TX,ꢀ77042
TEL:713-240-0367ꢀ
Connectionꢀtoꢀpartyꢀlineꢀserviceꢀisꢀsubjectꢀtoꢀstateꢀtariffs.ꢀ Contactꢀtheꢀstateꢀpublicꢀutilityꢀcommission,ꢀ
publicꢀserviceꢀcommissionꢀorꢀcorporationꢀcommissionꢀforꢀinformation.
Ifꢀyourꢀhomeꢀhasꢀspeciallyꢀwiredꢀalarmꢀequipmentꢀconnectedꢀtoꢀtheꢀtelephoneꢀline,ꢀensureꢀtheꢀinstal-
lationꢀofꢀthisꢀTDW-33ꢀdoesꢀnotꢀdisableꢀyourꢀalarmꢀequipment.ꢀIfꢀyouꢀhaveꢀquestionsꢀaboutꢀwhatꢀwillꢀ
disableꢀalarmꢀequipment,ꢀconsultꢀyourꢀtelephoneꢀcompanyꢀorꢀaꢀqualifiedꢀinstaller.
ElectricalꢀSafetyꢀAdvisory:
PartiesꢀresponsibleꢀforꢀequipmentꢀrequiringꢀACꢀpowerꢀshouldꢀconsiderꢀincludingꢀanꢀadvisoryꢀnoticeꢀ
inꢀtheirꢀcustomerꢀinformationꢀsuggestingꢀtheꢀcustomerꢀuseꢀaꢀsurgeꢀarrestor.ꢀTelephoneꢀcompaniesꢀ
reportꢀthatꢀelectricalꢀsurges,ꢀtypicallyꢀlightningꢀtransients,ꢀareꢀveryꢀdestructiveꢀtoꢀcustomerꢀterminalꢀ
equipmentꢀconnectedꢀtoꢀACꢀpowerꢀsources.ꢀThisꢀhasꢀbeenꢀidentifiedꢀasꢀaꢀmajorꢀnationwideꢀproblem.
6619-2202
5
DeclarationꢀofꢀConformity
Westermo Teleindustri AB
Declaration of conformity
The manufacturer
Westermo Teleindustri AB
SE-640 40 Stora Sundby, Sweden
Herewith declares that the product(s)
Type of product
Model
Art no
Installation manual
6619-2201
3619-0001
DIN-rail Tele modem
TDW-33
is in conformity with the following EC directive(s).
No
Short name
89/336/EEG
73/23/EEG
Electromagnetic Compatibility (EMC)
Low Voltage Directive - LVD
References of standards applied for this EC declaration of conformity.
No
Title
Issue
EN 61000-6-2
EN 55024
EN 61000-6-3
EN 60950
EN 50121-4
IEC 62236-4
UL 60950-1
Immunity for industrial environments
Information technology equipment – Immunity
Emission standard for industrial environments
Safety of information technology equipment
Railway signalling and telecommunications apparatus
Railway signalling and telecommunications apparatus
Safety – Part 1: General Requirements
2 (2001)
1 (1998)
1 (2001)
6 (2000)
1 (2007-07-07)
1 (2006-07)
CSA C22.2 60950-1-03 Safety – Part 1: General Requirements
FCC Part 68
Terminal Equipment to Telephone Network according (2006-11-03)
to TIA-968-A and CS-03 Part 1, Issue 9
The last two digits of the year in which the CE marking was affixed:
06
Herewith declares that product(s) listed above is in conformity with
No
Title
Issue
FCC part 15
Radio frequency devices
Pierre Öberg
Technical Manager
26 of May 2008
Org.nr/
Corp. identity number
Postadress/Postal address
Tel.
Telefax
Postgiro
Bankgiro
Registered office
Eskilstuna
S-640 40 Stora Sundby
016-428000
016-428001
52 72 79-4
5671-5550
556361-2604
Sweden
Int+46 16428000
Int+46 16428001
6
6619-2201
Typeꢀtestsꢀandꢀenvironmentalꢀconditions
ElectromagneticꢀCompatibility
Phenomena
ESD
Test
Description
Testꢀlevels
ENꢀ61000-4-2
Enclosureꢀcontactꢀ
Enclosureꢀair
Enclosure
±ꢀ6ꢀkV
±ꢀ8ꢀkV
RFꢀfieldꢀAMꢀꢀ
modulatedꢀ
IECꢀ61000-4-3
20ꢀV/mꢀ80%ꢀAMꢀ(1ꢀkHz),ꢀ80ꢀ–ꢀ2000ꢀMHz
RFꢀfieldꢀ900ꢀMHz
Fastꢀtransient
ENVꢀ50204
Enclosure
20ꢀV/mꢀpulseꢀmodulatedꢀ200ꢀHz,ꢀ900ꢀ±ꢀ5ꢀMHz
ENꢀ61000-4-4
Signalꢀports
Powerꢀports
±ꢀ2ꢀkV
±ꢀ2ꢀkV
Surge
ENꢀ61000-4-5
ENꢀ61000-4-6
Signalꢀportsꢀunbalanced ±ꢀ2ꢀkVꢀlineꢀtoꢀearth,ꢀ±ꢀ2ꢀkVꢀlineꢀtoꢀlineꢀ
Signalꢀportsꢀbalanced
Powerꢀports
Signalꢀports
±ꢀ2ꢀkVꢀlineꢀtoꢀearth,ꢀ±ꢀ1ꢀkVꢀlineꢀtoꢀline
±ꢀ2ꢀkVꢀlineꢀtoꢀearth,ꢀ±ꢀ2ꢀkVꢀlineꢀtoꢀline
10ꢀVꢀ80%ꢀAMꢀ(1ꢀkHz),ꢀ0.15ꢀ–ꢀ80ꢀMHz
10ꢀVꢀ80%ꢀAMꢀ(1ꢀkHz),ꢀ0.15ꢀ–ꢀ80ꢀMHz
100ꢀA/m,ꢀ50ꢀHz,ꢀ16.7ꢀHzꢀ&ꢀ0ꢀHz
RFꢀconducted
Powerꢀports
Enclosure
Powerꢀfrequencyꢀꢀ
magneticꢀfield
ENꢀ61000-4-8
ENꢀ61000-4-9
Pulseꢀmagneticꢀfield
Enclosure
300ꢀA/m,ꢀ6.4ꢀ/ꢀ16ꢀµsꢀpulse
Voltageꢀdipsꢀandꢀinter- ENꢀ61000-4-11 ACꢀpowerꢀports
ruption
10ꢀ&ꢀ5ꢀ000ꢀms,ꢀinterruption
10ꢀ&ꢀ500ꢀms,ꢀ30%ꢀreduction
100ꢀ&ꢀ1ꢀ000ꢀms,ꢀ60%ꢀreduction
Mainsꢀfreq.ꢀ50ꢀHz
Mainsꢀfreq.ꢀ50ꢀHz
ENꢀ61000-4-16 Signalꢀports
SSꢀ436ꢀ15ꢀ03 Signalꢀports
ENꢀ61000-4-29 DCꢀpowerꢀports
100ꢀVꢀ50ꢀHzꢀlineꢀtoꢀearth
250ꢀVꢀ50ꢀHzꢀlineꢀtoꢀline
Voltageꢀdipsꢀandꢀꢀ
interruption
10ꢀ&ꢀ100ꢀms,ꢀinterruption
10ꢀms,ꢀ30%ꢀreduction
10ꢀms,ꢀ60%ꢀreduction
+20%ꢀaboveꢀ&ꢀ–20%ꢀbelowꢀratedꢀvoltage
Radiatedꢀemissionꢀ
Conductedꢀemission
ENꢀ55022
FCCꢀpartꢀ15
ENꢀ55022
FCCꢀpartꢀ15
ENꢀ55022
ENꢀ60950
Enclosure
ClassꢀB
ClassꢀB
ACꢀpowerꢀports
ACꢀpowerꢀports
DCꢀpowerꢀports
ClassꢀB
ClassꢀB
ClassꢀB
Dielectricꢀstrength
Signalꢀportꢀtoꢀotherꢀ
isolatedꢀports
2ꢀkVrmsꢀ50ꢀHzꢀ1ꢀmin
Powerꢀportꢀtoꢀotherꢀ
isolatedꢀports
3ꢀkVrmsꢀ50ꢀHzꢀ1ꢀmin
2ꢀkVrmsꢀ50ꢀHzꢀ1ꢀminꢀ(@ꢀratedꢀpowerꢀ<60ꢀV)
Environmental
Temperature
Operating
–25ꢀtoꢀ+70°C
Storageꢀ&ꢀTransport
Operating
–40ꢀtoꢀ+70°C
Humidity
Altitude
5ꢀtoꢀ95%ꢀrelativeꢀhumidityꢀnonꢀcondensing
5ꢀtoꢀ95%ꢀrelativeꢀhumidityꢀnonꢀcondensing
2ꢀ000ꢀmꢀ/ꢀ70ꢀkPa
Storageꢀ&ꢀTransport
Operating
Reliabilityꢀpredictionꢀ
(MTBF)
MIL-HDBK-ꢀ
217F
Operating
Serviceꢀlife
Vibration
Operating
Operating
10ꢀyear
IECꢀ60068-2-6
7.5ꢀmm,ꢀ5ꢀ–ꢀ8ꢀHzꢀ
2ꢀg,ꢀ8ꢀ–ꢀ500ꢀHz
Shock
IECꢀ60068-2-27 Operating
15ꢀg,ꢀ11ꢀms
Packaging
Enclosure
ULꢀ94
PCꢀ/ꢀABS
Enclosure
FlammabilityꢀclassꢀV-1
35ꢀxꢀ121ꢀxꢀ119ꢀmm
0.21ꢀkg
DimensionꢀWꢀxꢀHꢀxꢀD
Weight
Degreeꢀofꢀprotection
Cooling
IECꢀ529
IPꢀ21
Convection
Mounting
Horizontalꢀonꢀ35ꢀmmꢀDIN-rail
6619-2201
7
Description
TheꢀTDW-33ꢀisꢀdesignedꢀtoꢀfunctionꢀreliablyꢀwithinꢀindustrialꢀenvironmentsꢀandꢀinꢀareasꢀ
ofꢀhighꢀlevelꢀinterference.ꢀTheꢀmodemꢀhasꢀanꢀRS-232ꢀinterfaceꢀsupportingꢀterminalꢀdataꢀ
ratesꢀupꢀtoꢀ115ꢀkbit/s.
TheꢀTDW-33ꢀisꢀaꢀV.90ꢀmodemꢀmeaningꢀthatꢀitꢀcanꢀsupportꢀdataꢀratesꢀofꢀupꢀtoꢀ56ꢀkbit/sꢀ
onꢀtheꢀPSTNꢀlineꢀside.
Theꢀmodemꢀisꢀequippedꢀwithꢀtransientꢀprotectionꢀonꢀtheꢀlineꢀsideꢀandꢀaꢀ“watchdog”ꢀ
thatꢀmonitorsꢀandꢀautomaticallyꢀresetsꢀtheꢀmodemꢀinꢀtheꢀeventꢀofꢀaꢀfault.ꢀTheseꢀfunc-
tionsꢀtogetherꢀwithꢀremoteꢀconfigurationꢀmakeꢀtheꢀmodemꢀperfectꢀforꢀinstallationꢀatꢀ
unmannedꢀsitesꢀandꢀpreventꢀtheꢀneedꢀofꢀcostlyꢀserviceꢀtrips.
Theꢀmodemꢀalsoꢀhasꢀpasswordꢀprotection,ꢀdial-backꢀsecurityꢀandꢀcallerꢀIDꢀansweringꢀtoꢀ
ensureꢀthatꢀonlyꢀauthorisedꢀusersꢀcanꢀcommunicateꢀwithꢀtheꢀmodemꢀandꢀanyꢀconnectedꢀ
equipment.
TheꢀTDW-33ꢀisꢀidealꢀforꢀindustrialꢀapplicationsꢀasꢀitꢀmountsꢀeasilyꢀonꢀtoꢀaꢀ35ꢀmmꢀꢀ
DIN-rail,ꢀrunsꢀfromꢀ12–36ꢀVDCꢀpowerꢀsupplies,ꢀhasꢀscrewꢀterminalꢀconnectionsꢀandꢀꢀ
isꢀtriꢀgalvanicallyꢀisolated.
ForꢀeaseꢀofꢀsetupꢀtheꢀmodemꢀisꢀsupportedꢀbyꢀtheꢀWestermoꢀTD-toolꢀconfigurationꢀsoft-
ware.ꢀDriversꢀforꢀWindowsꢀsetupꢀareꢀalsoꢀsupplied.ꢀ
…ꢀ Extendedꢀtemperatureꢀrangeꢀ–25°Cꢀtoꢀ+70°C
…ꢀDataꢀrateꢀupꢀtoꢀ56ꢀkbit/sꢀ(V.90)
…ꢀTerminalꢀrateꢀupꢀtoꢀ115.2ꢀkbit/s
…ꢀDTRꢀandꢀincomingꢀdataꢀdialling
…ꢀWatchdog
…ꢀSecureꢀcallꢀbackꢀandꢀaccess
…ꢀIndustrialꢀenvironmentꢀtransientꢀprotectionꢀonꢀallꢀinterfaces
…ꢀUpꢀtoꢀ11ꢀdataꢀbits
…ꢀTri-Galvanicꢀisolationꢀ(interface/line/supply)ꢀ
…ꢀCallerꢀIDꢀpresentationꢀandꢀanswering
…ꢀRemoteꢀconfiguration
8
6619-2202
Interfaceꢀspecifications
PowerꢀLV
Ratedꢀvoltage
12ꢀtoꢀ48ꢀVDCꢀorꢀ12ꢀtoꢀ34ꢀVAC
Operatingꢀvoltage
Ratedꢀcurrent
10ꢀtoꢀ60ꢀVDCꢀorꢀ10ꢀtoꢀ42ꢀVAC
150ꢀmAꢀ@ꢀ12ꢀVDCꢀ
ꢀ 70ꢀmAꢀ@ꢀ24ꢀVDCꢀ
ꢀ 40ꢀmAꢀ@ꢀ48ꢀVDCꢀ
150ꢀmAꢀ@ꢀ12ꢀVAC
ꢀ 70ꢀmAꢀ@ꢀ24ꢀVAC
DC:ꢀ–ꢀ
Ratedꢀfrequency
AC:ꢀ48ꢀ–ꢀ62ꢀHz
InrushꢀcurrentꢀI2tꢀ
Startupꢀcurrent*
Polarity
Isolationꢀto
Connection
0.25ꢀA2s
0.30ꢀApeak
Polarityꢀindependent
Allꢀotherꢀportsꢀ3ꢀkVrmsꢀ50ꢀHzꢀ1ꢀmin
Detachableꢀscrewꢀterminal
2
Connectorꢀsize
Shieldedꢀcable
0.2ꢀ–ꢀ2.5ꢀmm ꢀ(AWGꢀ24-12)
Notꢀrequired
*ꢀ Externalꢀsupplyꢀcurrentꢀcapabilityꢀforꢀproperꢀstartup
PublicꢀSwitchedꢀTelephoneꢀNetworkꢀ(PSTN)
Electricalꢀspecification
Dataꢀrate
PublicꢀSwitchedꢀTelephoneꢀNetwork
300ꢀbit/sꢀ–ꢀ33.6ꢀkbit/s
Protocol
Protection
Isolationꢀto
Bell103,ꢀBell212,ꢀV.21,ꢀV.22,ꢀV.22Bis,ꢀV.23C,ꢀV.32,ꢀV.32Bis,ꢀV.34,ꢀV.90
InstallationꢀFaultꢀTolerantꢀ(upꢀtoꢀ±60ꢀV)ꢀ
Powerꢀportꢀ 3ꢀkVrmsꢀ50ꢀHzꢀ1ꢀmin
RS-232ꢀ
2ꢀkVrmsꢀ50ꢀHzꢀ1ꢀmin
Connection
RJ-11Cꢀ
Shieldedꢀcable
Notꢀrequired
RS-232ꢀꢀ
Electricalꢀspecification
Dataꢀrate
EIA/TIA-232
1ꢀ200ꢀbit/sꢀ–ꢀ115.2ꢀkbit/s
Dataꢀformat
Protocol
7ꢀorꢀ8ꢀdataꢀbits,ꢀOdd,ꢀevenꢀorꢀnoneꢀparity,ꢀ1ꢀorꢀ2ꢀstopꢀbits;ꢀSꢀ9-12ꢀbits
Transparent
Retiming
Yes
Transmissionꢀrange
Isolationꢀto
Cableꢀlengthꢀ<ꢀ15ꢀm
Powerꢀportꢀ 3ꢀkVrmsꢀ50ꢀHzꢀ1ꢀmin
RS-232ꢀ
2ꢀkVrmsꢀ50ꢀHzꢀ1ꢀmin
Connection
9-pinꢀD-subꢀfemaleꢀ(DCE)ꢀandꢀDetachableꢀscrewꢀterminalꢀ(DCEꢀ)
Detachableꢀscrewꢀterminalꢀꢀ0.2ꢀ–ꢀ2.5ꢀmm ꢀ(AWGꢀ24ꢀ–ꢀ12)ꢀ
Notꢀrequiredꢀ**
Isolatedꢀtoꢀallꢀotherꢀcircuitsꢀ
2
Connectorꢀsize
Shieldedꢀcable
Conductiveꢀhousing
**ꢀꢀToꢀminimiseꢀtheꢀriskꢀofꢀinterference,ꢀaꢀshieldedꢀcableꢀisꢀrecommendedꢀwhenꢀtheꢀcableꢀisꢀlocatedꢀinsideꢀ3ꢀmꢀ
boundaryꢀtoꢀtheꢀrailsꢀandꢀconnectedꢀtoꢀthisꢀport.ꢀTheꢀcableꢀshieldꢀshouldꢀbeꢀproperlyꢀconnectedꢀ(360°)ꢀtoꢀanꢀ
earthingꢀpointꢀwithinꢀ1ꢀmꢀfromꢀthisꢀport.ꢀThisꢀearthingꢀpointꢀshouldꢀhaveꢀaꢀlowꢀimpedanceꢀconnectionꢀtoꢀtheꢀ
conductiveꢀenclosureꢀofꢀtheꢀapparatusꢀcabinet,ꢀorꢀsimilar,ꢀwhereꢀtheꢀunitꢀisꢀbuilt-in.ꢀThisꢀconductiveꢀenclosureꢀ
shouldꢀbeꢀconnectedꢀtoꢀtheꢀearthingꢀsystemꢀofꢀanꢀinstallationꢀandꢀmayꢀbeꢀdirectlyꢀconnectedꢀtoꢀtheꢀprotectiveꢀ
earth.
6619-2202
9
RS-232ꢀ(DCE)
Position
D-subꢀꢀ
description
D-sub
Direction*
Description
No.ꢀ1
No.ꢀ2
No.ꢀ3
No.ꢀ4
No.ꢀ5
No.ꢀ6
No.ꢀ7
No.ꢀ8
No.ꢀ9
Out
Out
In
DataꢀCarrierꢀDirectꢀ(DCD)
ReceivedꢀDataꢀ(RD)
LEDꢀIndicatorsꢀꢀ
(forꢀdetailsꢀseeꢀ
nextꢀpage)
TransmittedꢀDataꢀ(TD)
DataꢀTerminalꢀReadyꢀ(DTR)
SignalꢀGroundꢀ(SG)ꢀ
1
6
2
7
3
8
4
9
5
In
–
Out
In
DataꢀSetꢀReadyꢀ(DSR)
RequestꢀToꢀSendꢀ(RTS)
ClearꢀToꢀSendꢀ(CTS)
RingꢀIndicatorꢀ(RI)
Out
Out
Position
Screwꢀꢀ
terminal*
Direction*
Description
–
NotꢀConnected DataꢀCarrierꢀDirectꢀ(DCD)
No.ꢀ2
No.ꢀ1
No.ꢀ3
No.ꢀ5
No.ꢀ4
Out
In
ReceivedꢀDataꢀ(RD)
TransmittedꢀDataꢀ(TD)
DataꢀTerminalꢀReadyꢀ(DTR)
SignalꢀGroundꢀ(SG)ꢀ
In
–
Out
DataꢀSetꢀReadyꢀ(DSR)
PSTN
Position
RJ-11C Direction* Description
Productꢀmarkingꢀꢀ
PSTN
a
b
c
d
e
f
NotꢀConnected
NotꢀConnected
In/Out
In/Out
PSTNꢀTransmit/ꢀReceive
PSTNꢀTransmit/ꢀReceive
NotꢀConnectedꢀ
NotꢀConnected
PowerꢀLV
Position Direction* Description Productꢀmarking
No.ꢀ1
No.ꢀ2
In
In
–Voltage
+Voltage
*ꢀ Directionꢀrelativeꢀthisꢀunit.
10
6619-2202
LEDꢀIndicators
LED
Status
Description
TDꢀ
OFF
Noꢀdataꢀ
Transmitꢀdata
ONꢀ/ꢀFLASH TheꢀmodemꢀreceivingꢀdataꢀonꢀtheꢀDTEꢀinterface
OFF Noꢀdata
ONꢀ/ꢀFLASH TheꢀmodemꢀtransmittingꢀdataꢀonꢀtheꢀDTEꢀinterface
RDꢀ
Receiveꢀdata
RTSꢀ
OFF
ON
OFF
ON
RTSꢀsignalꢀisꢀinactive
RTSꢀsignalꢀisꢀactive
DCDꢀsignalꢀisꢀinactive
Requestꢀꢀ
toꢀsend
DCDꢀ
Dataꢀcarrierꢀ
detect
DCDꢀsignalꢀisꢀactive,ꢀmodemꢀhasꢀdetectedꢀaꢀcarrierꢀ
orꢀtheꢀsignalꢀisꢀsetꢀtoꢀalwaysꢀON
DTRꢀ
OFF
ON
DTRꢀsignalꢀisꢀinactive
Dataꢀterminalꢀ
ready
DTRꢀsignalꢀisꢀactive
RELꢀ
OFF
ON
ReliableꢀmodeꢀisꢀOFF,ꢀdirectꢀorꢀnormalꢀmode
ReliableꢀmodeꢀisꢀON
Reliableꢀmode
FLASH
Reliableꢀmodeꢀwithꢀerrorꢀcorrectionꢀandꢀcompres-
sion
LINE
OFF
Theꢀmodemꢀisꢀon-hook
ON
Theꢀmodemꢀisꢀoff-hookꢀwithꢀaꢀestablishedꢀconnection
Theꢀmodemꢀisꢀoff-hookꢀandꢀnegotiating
Theꢀmodemꢀhasꢀnoꢀpowerꢀ
FLASH
OFF
PWRꢀ
Power
ON
Theꢀmodemꢀisꢀupꢀandꢀrunning
FLASH
Theꢀmodemꢀisꢀinꢀtheꢀpower-onꢀselftest
6619-2202
11
Mounting
Thisꢀunitꢀshouldꢀbeꢀmountedꢀonꢀ35ꢀmmꢀDIN-rail,ꢀwhichꢀisꢀꢀ
horizontallyꢀmountedꢀinsideꢀanꢀapparatusꢀcabinet,ꢀorꢀsimilar.ꢀ
Snapꢀonꢀmounting,ꢀseeꢀfigure.
ꢀ
10ꢀmmꢀ*ꢀ
(0.4ꢀinches)
Cooling
25ꢀmm
Thisꢀunitꢀusesꢀconvectionꢀcooling.ꢀToꢀavoidꢀobstructingꢀtheꢀair-
flowꢀaroundꢀtheꢀunit,ꢀuseꢀtheꢀfollowingꢀspacingꢀrules.ꢀMinimumꢀ
spacingꢀ25ꢀmmꢀ(1.0ꢀinch)ꢀaboveꢀ/belowꢀandꢀ10ꢀmmꢀ(0.4ꢀinches)ꢀ
leftꢀ/rightꢀtheꢀunit.ꢀSpacingꢀisꢀrecommendedꢀforꢀtheꢀuseꢀofꢀunitꢀ
inꢀfullꢀoperatingꢀtemperatureꢀrangeꢀandꢀserviceꢀlife.
*ꢀꢀSpacingꢀ(left/right)ꢀrecommendedꢀforꢀ
fullꢀoperatingꢀtemperatureꢀrange
25ꢀmm
Removal
Pressꢀdownꢀtheꢀblackꢀsupportꢀatꢀtheꢀtopꢀofꢀtheꢀunit.ꢀSeeꢀfigure.
12
6619-2202
WindowsꢀconfigurationꢀtoolꢀTD-Tool
TheꢀTD-ToolꢀisꢀaꢀPCꢀ–ꢀapplicationꢀprogramꢀwithꢀaꢀgraphicalꢀinterfaceꢀforꢀeasyꢀ
configurationꢀofꢀtheꢀcomplexꢀfunctionsꢀfoundꢀonꢀtheꢀencolsedꢀCDꢀorꢀatꢀtheꢀWestermoꢀ
website.
PleaseꢀreferꢀtoꢀTD-ToolꢀforꢀaꢀcompleteꢀdescriptionꢀofꢀtheꢀfunctionalityꢀofꢀtheꢀWindowsꢀ
program.
AT-Commands
PleaseꢀreferꢀtoꢀtheꢀATꢀCommandsꢀInterfaceꢀGuideꢀfoundꢀonꢀtheꢀenclosedꢀCDꢀorꢀatꢀ
theꢀWestermoꢀwebsiteꢀforꢀaꢀcompleteꢀlistꢀofꢀallꢀavailableꢀAT-commandsꢀandꢀaꢀdetailedꢀ
descriptionꢀofꢀtheꢀserialꢀAT-commandꢀinterface.
Configuration
TheꢀTDW-33ꢀcanꢀbeꢀconfiguredꢀbothꢀfromꢀtheꢀlocalꢀDTEꢀinterfaceꢀandꢀremotelyꢀoverꢀ
theꢀPSTNꢀnetwork.ꢀWhetherꢀꢀtheꢀlocalꢀorꢀremoteꢀinterfaceꢀisꢀusedꢀtheꢀconfigurationꢀ
canꢀbeꢀmadeꢀꢀwithꢀAT-commandsꢀorꢀꢀwithꢀaꢀPC-basedꢀapplicationꢀconfigurationꢀtool.ꢀꢀ
BasicꢀconfigurationsꢀcanꢀalsoꢀbeꢀmadeꢀwithꢀDIPꢀswitchesꢀlocally.Remoteꢀconfiguration
TheꢀTDW-33ꢀcanꢀbeꢀconfiguredꢀfromꢀaꢀremoteꢀmodem.ꢀToꢀconfigureꢀaꢀTDW-33ꢀanyꢀGSM,ꢀ
ISDNꢀorꢀPSTNꢀmodemꢀcanꢀbeꢀused.
Theꢀmodemꢀusedꢀꢀtoꢀconfigureꢀisꢀreferredꢀasꢀtheꢀ“localꢀmodem”.ꢀ
PleaseꢀmakeꢀsureꢀthatꢀtheꢀremoteꢀTDW-33ꢀisꢀconnectedꢀtoꢀtheꢀPSTNꢀnetworkꢀandꢀisꢀꢀ
poweredꢀup.
…ꢀ Connectꢀtheꢀlocalꢀmodemꢀtoꢀit'sꢀmediaꢀ(ISDN,ꢀPSTNꢀorꢀGSM)
…ꢀ ConnectꢀtheꢀPC'sꢀcom-portꢀtoꢀtheꢀDTEꢀinterfaceꢀofꢀtheꢀlocalꢀmodem.
…ꢀ Connectꢀtheꢀpowerꢀsupply.
…ꢀ Startꢀaꢀterminalꢀemulationꢀprogramꢀ(i.e.ꢀWindowsꢀHyper-Terminal).
…ꢀ Configureꢀtheꢀlocalꢀmodemꢀdataꢀrateꢀandꢀwordꢀformat.
…ꢀ SetꢀupꢀaꢀconnectionꢀtoꢀtheꢀremoteꢀTDW-33ꢀtoꢀbeꢀconfiguredꢀbyꢀusingꢀtheꢀnormalꢀ
dialꢀcommand:ꢀATD<No><CR>.ꢀWhenꢀconnectedꢀsendꢀtheꢀremoteꢀescapeꢀsequenceꢀ
<++++>.ꢀTheꢀcalledꢀremoteꢀTDW-33ꢀwillꢀacknowledgesꢀbyꢀrequestingꢀtheꢀremoteꢀ
password.ꢀEnterꢀtheꢀcorrectꢀpasswordꢀ(default:ꢀnoꢀpassword,ꢀjustꢀreturn).ꢀNext;ꢀcon-
figureꢀtheꢀremoteꢀTDW-33ꢀusingꢀAT-commands.ꢀTheꢀpasswordꢀforꢀremoteꢀconfigura-
tionꢀisꢀdefinedꢀwithꢀAT*WRCPꢀ–ꢀRemoteꢀconfigurationꢀpassword.
…ꢀ ConfigureꢀtheꢀparameterꢀonꢀtheꢀremoteꢀTDW-33ꢀfromꢀyourꢀterminalꢀprogramꢀandꢀ
saveꢀtheꢀsettingsꢀwithꢀAT&W.
…ꢀ HangꢀupꢀtheꢀconnectionꢀusingꢀtheꢀATHꢀcommand.
6619-2202
13
Applicationꢀexamples
…ꢀ ꢀTDW-33ꢀconnectedꢀtoꢀTDW-33ꢀwithꢀDTRꢀsignalꢀcall
ꢀ
PSTNꢀ
Network
Configureꢀtheꢀunits
AT&F
Setꢀtheꢀunitꢀtoꢀfactoryꢀdefault
Storeꢀdefaultꢀsettings
AT&W
Setꢀupꢀtheꢀconnectionꢀ–ꢀTheꢀdiallingꢀmodem
AT&Z0=nnn
AT&S0
StoreꢀtheꢀnumberꢀofꢀtheꢀremoteꢀmodemꢀinꢀtheꢀdiallingꢀTDW-33
SetꢀDSRꢀsignalꢀalwaysꢀhighꢀ(ifꢀthisꢀsignalꢀisꢀusedꢀtoꢀtrigꢀtheꢀDTR)
AT&B1
ActivatesꢀautomaticꢀDTRꢀdiallingꢀifꢀDTRꢀswitchesꢀfromꢀlowꢀ(OFF)ꢀtoꢀhighꢀ
(ON)ꢀ
AT&W
Saveꢀsettings
SwitchꢀDTRꢀfromꢀ
OFFꢀtoꢀON
Theꢀmodemꢀwillꢀnowꢀdialꢀtheꢀphoneꢀnumberꢀstoredꢀinꢀtheꢀfirstꢀlocationꢀofꢀ
theꢀtelephoneꢀnumberꢀtableꢀ(AT&Z0=<nnn>)
Setꢀupꢀtheꢀconnectionꢀ–ꢀTheꢀansweringꢀmodem
ATA
EnterꢀtheꢀanswerꢀcommandꢀwhenꢀRINGꢀcomesꢀfromꢀtheꢀnetworkꢀorꢀsetꢀupꢀ
ATS0=1ꢀtoꢀautoꢀanswerꢀonꢀ1ꢀRINGꢀsignalꢀ(orꢀmoreꢀthanꢀ1)
NOTE:ꢀ
IfꢀnoꢀvalidꢀDTRꢀsignalꢀcanꢀbeꢀprovidedꢀbyꢀexternalꢀapplication,ꢀtheꢀmodemsꢀ
DSRꢀsignalꢀcanꢀbeꢀusedꢀtoꢀtrigꢀtheꢀtransmission.ꢀConnectꢀtheꢀDSRꢀsignalꢀviaꢀ
aꢀrelay,ꢀorꢀotherꢀpotentialꢀfreeꢀcontact,ꢀtoꢀtheꢀDTRꢀsignal.ꢀAꢀ10ꢀkohmꢀpullꢀ
downꢀresistorꢀshouldꢀalsoꢀbeꢀconnectedꢀbetweenꢀtheꢀDTRꢀandꢀaꢀsignalꢀthatꢀ
isꢀalwaysꢀlowꢀe.g.ꢀtheꢀDCD.
Relay
DTR
External
application
DSR
10ꢀkohm
DCD
Mayꢀbeꢀrequiredꢀinꢀharshꢀenvironments.
14
6619-2202
ꢀ…ꢀ ꢀFrequentlyꢀusedꢀsettingsꢀforꢀPLC-systemsꢀ
PSTNꢀ
Network
ꢀ
MostꢀPLC-systemsꢀandꢀotherꢀindustrialꢀapplicationsꢀwhereꢀmodemsꢀareꢀusedꢀrequireꢀtheꢀ
sameꢀchangesꢀtoꢀtheꢀstandardꢀsettings.
Theꢀmostꢀcommonlyꢀencounteredꢀproblemsꢀconcernꢀspeed,ꢀparityꢀandꢀcontrolꢀsignalsꢀ
fromꢀtheꢀconnectedꢀequipment.
Ifꢀthisꢀactionꢀdoesꢀnotꢀsolveꢀtheꢀproblemꢀtheꢀmodem’sꢀansweringꢀcodesꢀandꢀpossibleꢀ
echoingꢀofꢀcommandsꢀmightꢀbeꢀtheꢀsourceꢀofꢀtheꢀdifficulty.
Belowꢀfollowsꢀaꢀlistꢀofꢀcommandsꢀthatꢀmightꢀresolveꢀtheꢀproblems.ꢀTheꢀcommandsꢀmayꢀ
ofꢀcourseꢀbeꢀplacedꢀonꢀoneꢀsingleꢀcommandꢀlineꢀifꢀdesired.
ConfigureꢀtheꢀTDW-33ꢀconnectedꢀtoꢀtheꢀPLC
AT&F
ATV0
ATQ1
ATE0
Setꢀtheꢀunitꢀtoꢀfactoryꢀdefault.
Givesꢀtheꢀansweringꢀcodesꢀinꢀshortꢀformat.ꢀ(digits)
NoꢀresultꢀcodesꢀareꢀsentꢀonꢀtheꢀRS-232/V.24ꢀconnection.
Commandsꢀthatꢀareꢀsentꢀfromꢀtheꢀterminal/computerꢀetc.ꢀareꢀnotꢀechoedꢀ
backꢀtoꢀtheꢀRS-232/V.24ꢀconnection.
AT&C1
AT&K0ꢀ
AT&A1
AT&W
DCDꢀwillꢀfollowꢀtheꢀcarrierꢀonꢀtheꢀline.
Noꢀhandꢀshaking.
Characterꢀabortꢀoptionꢀon.
Storeꢀdefaultꢀsettings.
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15
…ꢀ ꢀTDW-33ꢀ–ꢀSecureꢀCall-back
TheꢀTDW-33ꢀisꢀconnectedꢀtoꢀaꢀPLCꢀwhichꢀoneꢀwantꢀtoꢀrestrictꢀaccessꢀto.ꢀTheꢀTDW-33ꢀ
canꢀsupportꢀaccessꢀcontrolꢀthroughꢀtheꢀSecureꢀCallbackꢀfunction.ꢀInꢀthisꢀexampleꢀpass-
wordꢀandꢀcallbackꢀtoꢀaꢀpredefinedꢀnumberꢀisꢀchosen.ꢀTheꢀmodemꢀinꢀtheꢀcallingꢀendꢀisꢀ
hereꢀchosenꢀtoꢀbeꢀaꢀPSTNꢀmodem,ꢀbutꢀcanꢀbeꢀanyꢀofꢀtheꢀPSTN,ꢀISDNꢀorꢀGSMꢀmodemꢀ
fromꢀtheꢀWestermoꢀproductꢀrange.
TheꢀDTEꢀserialꢀspeedꢀbetweenꢀtheꢀPLCꢀ–ꢀTDW-33ꢀandꢀTD-36ꢀ–ꢀPCꢀisꢀassumedꢀtoꢀbeꢀ
9600ꢀ8N1ꢀbutꢀcanꢀbeꢀchosenꢀtoꢀfitꢀtheꢀactualꢀsystemꢀrequirement.
PSTNꢀ
Network
ConfigureꢀtheꢀTDW-33
AT&F
Setꢀtheꢀunitꢀtoꢀfactoryꢀdefault
DTEꢀbaudrateꢀ9600
AT+IPR=9600
AT+ICF=3,4
ATS0=1
Characterꢀframingꢀ8ꢀdata,ꢀ1ꢀstop,ꢀparityꢀnone
Autoꢀanswerꢀafterꢀfirstꢀring
SuitableꢀforꢀPLCꢀcommunication
Storeꢀdefaultꢀsettings
ATQ1E0&C1&K0&A1
AT&W
AT*WCB=4
Callbackꢀenabled,ꢀPasswordꢀandꢀcallbackꢀnumberꢀstoredꢀinꢀꢀ
oneꢀorꢀmoreꢀpositionsꢀofꢀwcbtabꢀ
AT*WCBTAB=1,”+4670428000”, Defineꢀcallbackꢀnumberꢀ1
”n3Y9kA6otYZu8”
Whenꢀpasswordꢀ1ꢀisꢀenteredꢀnumberꢀ+4670428000ꢀwillꢀbeꢀ
called
AT*WCBTIME=10
Defineꢀdelayꢀtimeꢀbetweenꢀhangupꢀandꢀcallbackꢀꢀ
TheꢀTD-36ꢀwillꢀwaitꢀ10ꢀsꢀafterꢀhangupꢀtoꢀcallbackꢀtoꢀallowꢀꢀ
theꢀanalogueꢀmodemꢀtoꢀhangup
16
6619-2202
ConfigureꢀtheꢀTD-36ꢀ
AT&F
Setꢀtheꢀunitꢀtoꢀfactoryꢀdefault
DTEꢀbaudrateꢀ9600
AT+IPR=9600
AT+ICF=3,4
ATS0=1
Characterꢀframingꢀ8ꢀdata,ꢀ1ꢀstop,ꢀparityꢀnone
Autoꢀanswerꢀafterꢀfirstꢀring
Storeꢀdefaultꢀsettings
AT&W
Setꢀupꢀtheꢀconnectionꢀ
Theꢀdiallingꢀmodemꢀ Theꢀansweringꢀmodemꢀ
Comment
TD-36
TDW-33
ATD0705123456
TDW-33ꢀanswersꢀtheꢀcallꢀandꢀ DialꢀtheꢀnumberꢀtoꢀTDW-33
requestsꢀtoꢀTDW-33
CONNECTꢀ9600
NOꢀCARRIER
TDW-33ꢀverifiesꢀtheꢀpasswordꢀ Operator/systemꢀatꢀꢀ
toꢀtheꢀpasswordsꢀstoredꢀandꢀifꢀ TD-36ꢀentersꢀꢀ
trueꢀcompareꢀdissconnects.
Password:ꢀn3Y9kA6otYZu8
Waitꢀ10s
TheꢀconnectionꢀisꢀbrokenꢀandꢀTDW-33ꢀ
waitsꢀtheꢀprogrammedꢀ10sꢀforꢀTDW-33ꢀ
toꢀdisconnect
CONNECTꢀ9600
CONNECTꢀ9600
TDW-33ꢀdialsꢀ+4670428000
Theꢀnumberꢀprogrammedꢀcorrespond-
ingꢀtoꢀtheꢀpasswordꢀisꢀdialled,ꢀprefer-
ableꢀit’sꢀtheꢀnumberꢀtoꢀtheꢀTD-36
Connectionꢀisꢀestablishedꢀbetweenꢀtheꢀ
PCꢀatꢀTD-36ꢀandꢀtheꢀPLCꢀatꢀTDW-33
6619-2202
17
…ꢀ ꢀTDW-33ꢀ–ꢀSilentꢀansweringꢀonꢀpredefinedꢀnumber
TheꢀTDW-33ꢀisꢀconnectedꢀtoꢀaꢀpowerꢀmeterꢀwhichꢀisꢀremotelyꢀmonitored.ꢀTheꢀTDW-33ꢀ
sharesꢀtheꢀPSTNꢀlineꢀwithꢀnormalꢀtelephonesꢀwhichꢀisꢀpreferredꢀnotꢀtoꢀgiveꢀaꢀringꢀsignalꢀ
whenꢀtheꢀmeterꢀisꢀread.
TheꢀTDW-33ꢀisꢀconfiguredꢀtoꢀanswerꢀcallsꢀonꢀtheꢀCallerꢀIDꢀreceived,ꢀtheꢀvalidꢀnumbersꢀ
toꢀanswerꢀisꢀprogrammedꢀintoꢀtheꢀTDW-33.ꢀThereꢀexistsꢀaꢀnumberꢀofꢀstandardsꢀforꢀsend-
ingꢀCallerꢀIDꢀcheckꢀwhichꢀstandardꢀisꢀusedꢀbyꢀyourꢀoperator.ꢀTheꢀTDW-33ꢀsupportsꢀtheꢀ
majorꢀimplementationsꢀofꢀCallerꢀID.ꢀInꢀthisꢀexampleꢀtheꢀDTMFꢀCallerꢀIDꢀversionꢀisꢀused.ꢀꢀ
Noteꢀthatꢀsomeꢀimplementationsꢀdoesn’tꢀgiveꢀtheꢀpossibilityꢀtoꢀmakeꢀaꢀsilentꢀanswerꢀ
sinceꢀtheꢀCallerꢀIDꢀisꢀsentꢀbetweenꢀfirstꢀandꢀsecondꢀringꢀsignal.ꢀ
TheꢀmodemꢀinꢀtheꢀcallingꢀendꢀisꢀhereꢀchosenꢀtoꢀbeꢀaꢀPSTNꢀmodem,ꢀbutꢀcanꢀbeꢀanyꢀofꢀ
theꢀPSTN,ꢀISDNꢀorꢀGSMꢀmodemꢀfromꢀWestermoꢀproductꢀrange.
PSTNꢀ
Network
ConfigureꢀtheꢀTDW-33ꢀconnectedꢀtoꢀtheꢀpowerꢀmeter
AT&F
Setꢀtheꢀunitꢀtoꢀfactoryꢀdefault
DTEꢀbaudrateꢀ9600
AT+IPR=9600
AT+ICF=3,4
Characterꢀframingꢀ8ꢀdata,ꢀ1ꢀstop,ꢀparityꢀnone
NoꢀautoꢀanswerꢀonꢀRingꢀsignals
SuitableꢀforꢀPLCꢀcommunication
Saveꢀsettings
ATS0=0
ATQ1E0&C1&K0&A1
AT&W
AT*WACCTAB=1,”016428000”
AT*WACCTAB=2,”016480250”
AT*WCID=3,3
SetꢀtheꢀvalidꢀA-numbersꢀforꢀautomaticꢀanswering
SetꢀCallerꢀIDꢀtoꢀA-numberꢀanswerꢀwithꢀDTMFꢀcodedꢀnumbers
18
6619-2202
WestermoꢀTeleindustriꢀABꢀ•ꢀSE-640ꢀ40ꢀStoraꢀSundby,ꢀSweden
Phoneꢀ+46ꢀ16ꢀ42ꢀ80ꢀ00ꢀ Faxꢀ+46ꢀ16ꢀ42ꢀ80ꢀ01ꢀ
Subsidiaries
WestermoꢀDataꢀCommunicationsꢀABꢀ
Svalgångenꢀ1ꢀ
WestermoꢀDataꢀCommunicationsꢀGmbHꢀ
Goethestraßeꢀ67,ꢀ68753ꢀWaghäuselꢀ
SE-724ꢀ81ꢀVästeråsꢀ
Phone:ꢀ+46ꢀ(0)16ꢀ42ꢀ80ꢀ00ꢀ•ꢀFax:ꢀ+46ꢀ(0)21ꢀ35ꢀ18ꢀ50ꢀ
Tel.:ꢀ+49(0)7254-95400-0ꢀ•ꢀFax.:+49(0)7254-95400-9ꢀ
WestermoꢀDataꢀCommunicationsꢀS.A.R.L.ꢀ
9ꢀCheminꢀdeꢀChillyꢀ91160ꢀCHAMPLANꢀ
Télꢀ:ꢀ+33ꢀ1ꢀ69ꢀ10ꢀ21ꢀ00ꢀ•ꢀFaxꢀ:ꢀ+33ꢀ1ꢀ69ꢀ10ꢀ21ꢀ01ꢀ
WestermoꢀOnTimeꢀASꢀ
Gladsveiꢀ20ꢀ0489ꢀOslo,ꢀNorwayꢀ
Phoneꢀ+47ꢀ22ꢀ09ꢀ03ꢀ03ꢀ•ꢀFaxꢀ+47ꢀ22ꢀ09ꢀ03ꢀ10ꢀ
WestermoꢀDataꢀCommunicationsꢀPteꢀLtdꢀ
2ꢀSoonꢀWingꢀRoadꢀ#08-05ꢀ
SoonꢀWingꢀIndustrialꢀBuildingꢀ
Singaporeꢀ347893ꢀ
Phoneꢀ+65ꢀ6743ꢀ9801ꢀ•ꢀFaxꢀ+65ꢀ6745ꢀ0670ꢀ
WestermoꢀDataꢀCommunicationsꢀLtdꢀ
TalismanꢀBusinessꢀCentreꢀ•ꢀDuncanꢀRoadꢀ
ParkꢀGate,ꢀSouthamptonꢀ•ꢀSO31ꢀ7GAꢀ
Phone:ꢀ+44(0)1489ꢀ580-585ꢀ•ꢀFax.:+44(0)1489ꢀ580586ꢀ
WestermoTeleindustri AB have distributors in several countries, contact us for further information.
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