Pulsar Measurement

dBi Profibus Intelligent Transducers

Series of self-contained non-contacting level measurement transducers which make use of Profibus PA communication protocols

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Much like the dBi HART Transducer Series, the dBi Profibus PA Transducer range is a series of self-contained non-contacting level measurement transducers which make use of Profibus PA communication protocols. The dBi Profibus transducers are available in different measurement ranges from 125 mm to 15 m (4.9 in to 49.2 ft) to suit a wide range of applications. The transducers comply fully with communication standards IEC 61158 and Profibus profile 3.0.2 and provide very high resolution to give exceptional accuracy and a rapid response time of 1 second (approx.). Benefitting from Pulsar’s unique DATEM Echo Processing technology, the transducer is able to zero in on the true target and map out interferences. The dBi Profibus transducer can be programmed with Pulsar’s PC Software or using PLC / HMI with Profibus Network.

• Self-contained
• Two-wire
• Solids or liquids applications
• Various Mounting options
• ATEX Approvals
• DATEM digital echo processing software
• Uses the standard programming tools on our dedicated PC system

General Specifications
Spec:Description:
Housing MaterialValox 357 PBT (Polybutylene terephthalate)
Temperature CompensationInternal temperature sensor, ±0.5 °C (±0.5 °F)
Transducer Cable Requirements Twin screened. Integral cable length 5 m, 10 m, 20 m, and 30 m (16.4 ft, 32.8 ft, 65.6 ft, and 98.4 ft).
Operating TemperatureProcess Temperature -40 °C to +80 °C (-40 °F to +176 °F)  
Ingress ProtectionIP68 to BS EN 60068-2-17:1995 and BS EN 60529 (Nema 6P available)
PowerBus-powered, per IEC 61158-2; 20mA (general purpose or I.S. version) 20mA 18-24 V DC
Update Time PA modem; Simatic PDM, EDDL, FDT/DTM on request. PC interface 2-wire loop powered from PC or laptop. No external power required.
OutputsProfile 3.0.2, Class A with I&M functionality