Signal Conditioner For Power Generation

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Nov 04, 2023

Signal Conditioner For Power Generation

By Jack Burke15 April 2020 Alliance Sensor Group said its latest linear variable differential transformer (LVDT) signal conditioner, the S2A, is designed specifically for the power generation

By Jack Burke15 April 2020

Alliance Sensor Group said its latest linear variable differential transformer (LVDT) signal conditioner, the S2A, is designed specifically for the power generation industry.

The S2A is designed to offer comprehensive diagnosis for sensor and wiring failure, real-time calibration of the full scale and zero outputs, enhanced ground loop noise rejection and backward compatibility to legacy S1A signal conditioners, the company said. It also offers smart and fast LVDT or rotary variable differential transformer (RVDT) setup.

The company said the S2A was engineered to work with the widest range of LVDTs, RVDTs, and inductive half-bridge sensors, including three-wire GE LVRTs and GE gas turbine buck-boost style LVDTs. The S2A is designed for use in turbine control systems, governor and throttle valves, interceptor and stop valves, among other applications.

The company said the S2A has more system diagnostic capabilities than any stand-alone LVDT conditioner on the market. This LVDT Signal conditioner offers fault or failure detection for high reliability applications like nuclear power plant steam turbine controls. The S2A’s diagnostics can detect at least 11 fault conditions. The S2A offers push button calibration, reducing set up time by a factor of 10. The internal microprocessor automatically sets up the LVDT signal conditioner. The operator simply presses the front panel zero button and full-scale buttons. The S2A is then fully calibrated with the LVDT position sensor, the company said. The S2A also can be setup remotely using a computer via its RS-485 port connected.

The signal conditioning module has cyber security tamper prevention and notification features that no other manufacturers have even considered, providing confidence that the unit has not been compromised. Operating features include push-button calibration, RS-485 digital communications, hot-swap capability and enhanced fault diagnostics, the company said.

S2A also offers color-coded plug-in connections and self-diagnostics and comes with a two-year warranty.

Headquartered in Moorestown, New Jersey, USA, Alliance Sensors Group is a division of Harold G. Schaevitz Ind., LLC, is a position sensor manufacturing company offering engineering and application support toward solving position measurement challenges within the power generation, fluid power, and manufacturing industries.