The SC-100 is engineered to work with the widest range of AC-operated LVDTs, RVDTs, and inductive half-bridge position sensors and was specifically designed to be compatible with both Marposs and Solartron analog pencil gaging probes.
The SC-100 offers 4 LVDT excitation frequencies: 2.5, 5.0, 7.5, and 10.0 KHz, 6 analog DC outputs: 0 -5, 0 -10, +/-10, 0.5 – 4.5, 1- 5, 0.5 – 9.5 VDC. I and 2 current loop DC outputs: 4-20 mA or 0-20 mA (sourcing). It comes with an RS-485 digital communications link, and self-diagnostics for LVDT winding failures or cable disconnection. The SC-100 AC-LVDT Signal Conditioner integrates an internal microprocessor that eliminates the need to calculate jumper settings for gain, range, etc. Operators simply finds LVDT null, moves the LVDT’s core to one end of the range and then presses the zero button on the front panel. The operator moves the LVDT’s core to the other end of the specified range and presses the full scale button. The SC-100 is now fully calibrated with the LVDT or RVDT position sensor.
The unit can be “hot swapped” into an existing installation and then reloaded with the original calibration data via its RS-485 port. For installations where there are multiple LVDT position sensors, the SC-100s can be master/slaved to prevent beat frequency interaction between sensor signals. Should a master fail, ordinary LVDT signal conditioners in a master/slave hookup will revert back to their own oscillators, subjecting them to the beat frequencies the master/slave hook up was supposed to prevent. If an SC-100 master module were to fail, the auto-mastering feature causes another module to immediately become a new master for the slaves.
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