Technical Data TD032017EN
Effective September 2014
315-WH-GT WirelessHART Gateway
WirelessHART‑compliant infrastructure gateway for wireless sensor networks
Features
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WirelessHARTꢀgatewayꢀsupportingꢀupꢀtoꢀ250ꢀfieldꢀinstruments
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CompliantꢀtoꢀWirelessHARTꢀ(IECꢀ62591)ꢀforꢀmulti-vendorꢀ
interoperability
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IEEEꢀ802.15.4,ꢀ2.4ꢀGHz,ꢀdirectꢀsequenceꢀspreadꢀspectrum
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IntegratedꢀIEEEꢀ802.11b/gꢀorꢀ802.11aꢀwirelessꢀbackboneꢀsupport
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Ethernetꢀorꢀserialꢀ(RS-232)ꢀforꢀnetworkꢀconnectivity
Modbus®ꢀTCPꢀorꢀRTUꢀinterfaceꢀforꢀcompleteꢀaccessꢀtoꢀprocessꢀ
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variables
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WirelessHARTꢀauthenticationꢀandꢀsecurityꢀsupport
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128-bitꢀAESꢀencryptionꢀwithꢀmultipleꢀkeysꢀandꢀsynchronizedꢀkeyꢀ
management
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Fieldꢀdeviceꢀnetworkꢀmanagementꢀensuresꢀauto-formationꢀandꢀ
self-healing
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Completeꢀdiagnosticsꢀtoꢀprovideꢀdetailedꢀnetworkꢀstatus
Applications
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Factoryꢀautomationꢀandꢀsafetyꢀinterlocks
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Processꢀmonitoringꢀandꢀcontrol
Description
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Waterꢀtreatmentꢀfacilities
Tankꢀandꢀequipmentꢀmonitoring
Environmentalꢀmonitoring
Energyꢀmanagement
Assetꢀmanagement
Valveꢀpositionꢀmonitoring
Theꢀ315-WH-GTꢀWirelessHART™ꢀGatewayꢀestablishesꢀ
theꢀconnectionꢀbetweenꢀwirelessꢀfieldꢀinstrumentationꢀ
andꢀassetꢀmanagementꢀorꢀdistributedꢀcontrolꢀsystems.ꢀ
Servingꢀasꢀtheꢀcentralꢀcontrollerꢀandꢀsecurityꢀmanagerꢀ
forꢀlow-powerꢀwirelessꢀmeshꢀfieldꢀinstrumentsꢀ
operatingꢀunderꢀtheꢀWirelessHARTꢀstandard,ꢀtheꢀ
315-WH-GTꢀensuresꢀperformanceꢀthroughꢀdynamicꢀ
networkꢀoptimizationꢀandꢀintelligentꢀroutingꢀtoꢀachieveꢀ
highꢀreliability,ꢀlowerꢀlatency,ꢀandꢀdeterministicꢀpowerꢀ
management.ꢀTheꢀembeddedꢀsecurityꢀmanagerꢀ
protectsꢀtheꢀplantꢀnetworkꢀthroughꢀsecureꢀdeviceꢀ
authentication,ꢀend-to-endꢀencryptionꢀandꢀmessageꢀ
integrityꢀcheckingꢀtoꢀcreateꢀoneꢀofꢀtheꢀmostꢀsecureꢀ
wirelessꢀmeshꢀnetworksꢀavailable.
Specifications
SPECIFICATION
DESCRIPTION
Transmitter and Receiver
a
b
c
Frequency
2.405–2.483 GHz , 2.412–2.472 GHz , 5.150–5.825 GHz
a
Transmit power
250 kbps: 6.3 mW (8 dBm)
Up to 24 Mbps: 400 mW (+26 dBm), 36 Mbps: 250 mW (+24 dBm),
48 Mbps: 160 mW (+22 dBm), 54 Mbps: 125 mW (+21 dBm)
b c
Operatingꢀwithꢀaꢀlow-powerꢀWirelessHARTꢀ802.15.4ꢀ
RFꢀlinkꢀtoꢀtheꢀsensors,ꢀconnectivityꢀtoꢀtheꢀhostꢀsystemꢀ
canꢀbeꢀprovidedꢀeitherꢀviaꢀhardwiredꢀLANꢀconnectionꢀ
orꢀsecureꢀwirelessꢀLANꢀ(802.11b/gꢀorꢀ802.11a).ꢀTheꢀ
315-WH-GTꢀGatewayꢀcanꢀalsoꢀbeꢀcoupledꢀwithꢀtheꢀ
315-WH-DCꢀWirelessHARTꢀDataꢀConcentratorꢀtoꢀ
createꢀaꢀhighꢀperformanceꢀwirelessꢀbackboneꢀthatꢀ
offersꢀreliableꢀandꢀsecureꢀconnectivityꢀfromꢀmultipleꢀ
WirelessHARTꢀsensorꢀnetworks,ꢀasꢀwellꢀasꢀallowingꢀ
secure,ꢀnon-disruptiveꢀexpansionꢀofꢀtheꢀnetworkꢀasꢀ
needed.
a b c
Transmission
Modulation
Direct sequence spread spectrum (DSSS)
a
Offset quadrature phase shift keying (O-QPSK)
Orthogonal frequency data modulation (OFDM)
b c
a
Receiver sensitivity
Channel spacing
–92 dBm @ 250 kbps
–100 dBm @ 250 kbps, –74 dBm @ 108 Mbps (8% FER)
–94 dBm @ 6 Mbps, –74 dBm @ 108 dBm (8% FER)
b
c
a h
5 Mhz
b
5 MHz, 10 MHz, 20 MHz or 40 MHz channel bandwidth
20 MHz or 40 MHz channel bandwidth
c
a
b
Data rate
250 kbps , 256 kbps to 54 Mbps/turbo: 108 Mbps ,
c
6–54 Mbps/turbo: 108 Mbps
Auto mode selects fastest rate possible relative to RSSI
a d
Range (LoS)
Indoor 328' (100m), outdoor 984' (300m)
b d
6 miles (10 km) @ 400 mW
c d
3 miles (5 km) @ 400 mW
a
Antenna connector
1 x female SMA standard polarity
b c e
2 x female SMA standard polarity
Input and Output
f
f
Discrete I/O
Input voltage-free contact , output FET 30 Vdc 500 mA