Programmable splitters offer up to three outputs for signal conditioning

May 18, 2018

Wixom, MI. Acromag announced that its new uBSP signal splitter/duplicator acts as a carrier for the company’s microBlox line of plug-in signal-conditioning modules to drive two scalable 4- to 20-mA or 0- to 10-V control outputs and an auxiliary 5-V third output from a single input. Users can select from more than ten miniature signal conditioning modules to process inputs from RTDs, thermocouples, and 2-wire transmitters as well as a variety of current, millivolt, or voltage sources. The interchangeable input modules snap into the uBSP carrier, which provides input and output terminal blocks plus a USB port for easy software configuration from a Windows PC or Android mobile device.

“This modular, programmable approach provides an extremely flexible solution to many complex signal-splitting applications,” explained Robert Greenfield, Acromag’s business development manager. The uBSP signal splitter’s USB port allows users to customize the I/O ranges, scaling, and other operations driven by the inserted microBlox signal conditioning module.

The configuration software is free, and a common mini-B USB port eliminates the need for expensive proprietary cables or adapters to connect with your PC, smartphone, or tablet.

With the plug-in microBlox modules, users can change the input type quickly and inexpensively as requirements change. 1,500-V isolation safely separates the input from each output circuit to prevent damage to other instruments from surges. Two-wire transmitter input modules provide field excitation for the transmitter. RTD input modules support 2, 3, or 4-wire sensors with excitation, linearization, lead-wire compensation, and break-detection functions.

Thermocouple input modules support types J, K, R, S, T, and E with linear or nonlinear output.

To ensure reliable performance, units are highly immune to electrical noise and operate from 40 to 75°C. Power sources from 6 to 32 VDC are supported to simplify battery and solar-powered applications. Units mount securely on a DIN rails with 25g shock and 4g vibration resistance. Hazardous location approvals are pending for UL/cUL Class 1 Div 2 and ATEX/IECex Zone 2 standards.

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