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VOLUME -25 NUMBER 8
Publication Date: 08/1/2010
Front Page News
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Electronic Mfg. Services
Electronic Mfg. Products
Special Features: Test and Measurement
Product Preview: AATE/IPC Midwest
August 2010 Issue
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Beckhoff: I/O Terminals with DVM
Terminals with built-in DVM functions.
Minneapolis, MN — Beckhoff Automation has released the new EL3681 and KL3681 terminals to add even more measurement functions to low cost I/O terminals. By integrating digital multimeters directly into I/O nodes, users can expect a streamlined and low-cost alternative to standalone digital multimeters. The modules provide high precision and simple, high-resistance measurement from 300mV to 300V.
Using the digital multimeter terminals with fieldbus interface for measuring current and voltage, measured values can be processed directly in the I/O system or by the master controller. These dynamic measuring terminals are available for both the Beckhoff Bus Terminal system, which offers support for most major fieldbuses, as well as for the high performance EtherCAT
Terminal system. Equipping industrial systems with these terminals significantly increases flexibility because of the wide input range and automated measuring range selection.
In measuring applications, the expected voltage is often not known during the planning phase. Automatic adjustment of the measurement range simplifies use and reduces stock levels. The digital multimeter terminals measure DC and AC voltages; in the case of AC voltage, the effective (rms) value is determined.
Very high immunity to interference is achieved because of the complete galvanic isolation of the electronic measuring system and a measurement interval of typically 200ms. The measured result is equivalent to that of a good handheld multimeter, but the I/O Terminals also have an interface to most major fieldbuses through which it can be read out and parameterized.
Measurement ranges: Voltage, 300mV to 300VDC, 100mV to 300VAC; Current: 100mA, 1A, 10A AC/DC.
In applications that utilize a powerful CPU, ultra fast communication (e.g. via EtherCAT), real-time software and an I/O interface to the outside world, the company's PC-based control technology represents the ideal system for high-precision, high-speed measuring equipment.
Contact: Beckhoff Automation LLC, 12150 Nicollet Ave. S., Burnsville, MN 55337
952-890-0000 fax: 952-890-2888 E-mail: firstname.lastname@example.org Web:
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