Product category:
Plant- and Machine-Wide Communications
News Release from: Vishay Nobel | Subject: WST 3
Edited by the Engineeringtalk Editorial
Team on 30 September 2005
Load cell output convertor uses Profibus
DP
The WST 3 load cell output convertor, with Profibus DP communication and DIN-rail mounting, provides a convenient weighing solution for food processing and chemicals applications.
The Vishay Nobel WST 3 load cell output convertor, with Profibus DP communication and DIN-rail mounting, provides a convenient weighing solution for food processing and chemicals applications The WST 3 integrates easily into an instrument control panel to provide local weight or force indications, with setup and calibration via the front panel
This article was originally published on Engineeringtalk on 8 Jan 2007 at 8.00am (UK)
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Instruments cover all installations
Advanced process control instruments are available in four versions - DIN rail, panel, desktop and harsh-environment - providing easy installation in any type of environment.
The WST 3 supports up to eight 350-ohm transducers, with excitation voltage from 8.8 to 5.5V DC.
The WST 3 features a patented analogue-to-digital convertor capable of up to 8,300,000 counts and 0.5 to 300Hz conversion speed at 0.015% accuracy.
This makes the WST 3 suitable for process weighing, force measurement and a wide variety of applications in PC-based and PLC-based control systems.
Communication is via standard RS485/Modbus RTU protocol.
The WST 3 unit is equipped with two relay outputs, which have a response time of less than 20ms, for use in high-accuracy level control applications.
WST 3 transmitters also offer onboard fieldbus communications using the Profibus DP format.
Fieldbus versions of DeviceNet and Modbus Plus also are available through the Gate 3S network module from Vishay Nobel.
A basic version of the Deltacom PC-based remote setup program is included with each WST 3 transmitter.
The software is compatible with Microsoft Windows 95, 98, 2000, NT4, Me and XP operating systems.
The WST 3 is CE-marked, including compliance with the Low Voltage and EMC Directives. Request a free brochure from Vishay Nobel ...
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