Configurable safety input
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United States of America Patent
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Apr 2, 2019
Grant Date -
Sep 20, 2018
app pub date -
Mar 16, 2017
filing date -
Mar 16, 2017
priority date (Note) -
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Abstract
A configurable industrial safety relay device allows individual adjustment of rated input currents for each safety input. The safety relay device can support a number of programmable configuration settings or parameters, including parameters that allow a desired input current to be individually selected for each safety input. In this way, an input current can be selected for each safety input that is appropriate for the safety circuit being monitored by the safety input. In particular, an input current can be selected that ensures reliable detection of the safety signal by the safety input while substantially minimizing power consumption by the safety relay device.
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