Device splits and conditions pulses
Third Quarter 2007
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Signal conditioning specialist, APCS, has created the PLS257 pulse splitter for applications where a pulse is required to be isolated, re-powered and repeated on two separate outputs up to a maximum frequency of 100 kHz.
The output pulse width is adjustable to provide pulse stretching, where the input pulse is too short to be recognised by the PLCs and other monitoring equipment. Input signals of various types and waveforms from a variety of sensors can be accommodated, ranging from low level AC and DC pulses to proximity sensors such as NAMUR, 3-wire sensors and pulsing contacts. A pulse with DC offset can also be accommodated using the front mounted trigger level adjustment.
When ordered as a pulse source, the amplitude of both outputs is adjustable to suit the receiving device. For applications where the receiving device requires open collector input, the PLS257 can be configured for 'sink' output. For higher frequency sources, the splitter can be factory built with an optional frequency divider - providing link selectable division up to 99.
The pulse output is indicated by a front mounted LED, giving clear indication of module function and pulse frequency.
For more information contact Andy Brown, Temperature Controls, +27 (0)11 791 6000, [email protected], www.tempcon.co.za
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