Weight transmitters promise secure transmission
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Weightron Bilanciai product story
Edited by the Engineeringtalk editorial team
Oct 31, 2005
PRWT weight transmitters have been specifically designed for industrial weighing applications where the measurement and secure transmission of accurate weight data is essential.
The Process Weighing division of Weightron Bilanciai is introducing the company's new range of PRWT weight transmitters.
These flexible and easy to use modules have been specifically designed for industrial weighing applications where the measurement and secure transmission of accurate weight data is essential.
PRWT models are available for use in standard analogue systems as well as DeviceNet, Profibus and Industrial Ethernet networks, thereby offering optimum connectivity and speed of data transfer.
The units can be mounted in standard DIN rail control panels or field mounted in optional IP66 washdown enclosures.
The modules supply 10V DC excitation for the loadcells and condition the resultant return signal.
This signal, together with stored control and calibration data, generates a gross/net weight signal for display and transmission to PLCs and computers via the appropriate network.
The units feature powerful system-on-chip technology which provides 24bit (16,000,000) internal resolution.
This is combined with proprietary drift compensation to offer outstanding levels of accuracy and stability.
Adjustable filtering down to 0.2Hz minimises the effects of mechanical vibration without compromising weighing accuracy.
System calibration can be carried out using conventional loading routines or by entry of the precise sensitivity and capacity figures for the load cells.
Calibration adjustments are performed by means of the four pushbuttons in conjunction with the LCD.
There are no troublesome potentiometers and access to calibration is pass-number protected.
Each PRWT unit is factory calibrated to have the same precise input range and this facilitates unit replacement in the field.
By simply entering the appropriate zero and gain coefficients into the replacement unit, the system can be up and running in a matter of minutes without the need for vessel emptying or recalibration.
The PRWT units complement Weightron's extensive range of loadcell weighing kits and instrumentation.
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