Pickering Interfaces, Chelmsford, MA, launched the model 41-765 analog output/current loop simulator modules for simulating industrial control transceivers utilizing 4–20 mA current loops. The PXI modules enable slew rates to be programmed so that different sensors can be effectively mimicked. They feature output modes of 4–20 mA, 0-24 mA, ±24 mA, 0-5 V, ± 5V, and ±12 mV. The modules include built-in relays for shorts and opens functionality, enabling fault insertion testing on every channel. Delivering from 4 to 16 channels in one PXI slot, they feature a soft front panel, kernel and VISA drivers, and support for major programming environments including C/C++, .NET, Python, LabVIEW, and MATLAB. The modules can self-power using the PXI chassis supply or can be powered externally in full isolation mode. A channel can source or sink, emulating a transmitter or receiver.

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This article first appeared in the January, 2021 issue of Tech Briefs Magazine.

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