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© Endress+Hauser
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Measuring principle
WirelessHART
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Function
Intelligent WirelessHART interface module for connection to 4…20 mA/HART devices
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Certification
Non-hazardous area
ATEX, CSA, IEC Ex, JPN Ex -
Input
One point-to-point with a HART device, or
One point-to-point connection with a 4…20 mA device, or
Up to four HART field devices connected in multidrop mode if a wide range power unit is used. -
Output
WirelessHART communication interface
Transmission rate: Nominal 250 kBits/s
Operating frequency: 2.4 GHz (ISM band)
Transmission range under reference conditions:
Outdoor 250 m, indoor 50 m -
Auxiliary power supply / Loop power supply
Special long live Lithium Thionylchloride battery pack
24-230V AC/DC external power
DC power unit -
Dimensions (wxhxd)
W x H x D: 111.5 mm x 189.9 mm x 92.8 mm
Dimensions in mm 25.4 mm = 1 inch -
Software
Internal software for controlling, powering, and reading from 4…20 mA/HART field devices
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Operation
Integral via Pushbutton, PC configuration via DTM and FieldCare or DD
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Display
Integral via 3 LEDs
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Operating Voltage
Special long live Lithium Thionylchloride battery pack
For versions with electronically regulated power supply:
Wide-range power supply: 24 V…230 V AC/DC ± 10%, 50/60 Hz
DC power unit: 8 V…50 V DC ± 10%
In the event of an external power supply failure, wireless communication is maintained for at least one hour by means of an internal supply.
Field of application
The WirelessHART Adapter SWA70 is an interface module for the wireless transmission of 4 to 20 mA/HART signals from connected field devices to a WirelessHART Fieldgate. It is powered by either a battery pack or power supply units. The WirelessHART Adapter can be used in hazardous and non-hazardous area for applications.
Process optimization: Monitor and optimize plant sections with less cost and effort by connecting the WirelessHART Adapter.
Level monitoring in tanks and silos: Measured value, device and battery status are transmitted at regular intervals to a higher-level system.
Plant condition monitoring: Wireless devices are mounted at critical points in the plant with limited accessibility or where wiring costs are limited. Improved data flow and diagnostics increase plant reliability and safety.
Benefits
HART devices are quickly upgraded to WirelessHART technologyFast integration of 4 to 20 mA field devices into a WirelessHART networkOne 4 to 20 mA field device and up to four HART field devices in multidrop mode can be connected to a WirelessHART AdapterBurst mode and event notification supportedRemote and difficult-to-access HART devices are connected to the control room without expensive cablingEasy planning, quick installation and integration