Tachometer
8 ch, ±0.005% ±1 LSB | V360
Highland Technology, Inc.
FEATURES
- Intelligent 8-channel period/frequency/RPM measurement module
- Ideal for signal conditioning of magnetic speed pickups, flowmeters, and encoders
- High noise immunity ensures accurate measurement in industrial environments
- Internal signal conditioning accepts direct input from common speed sensors
- Register-based 16-bit VME module
- Clean, simple architecture simplifies programming
The V360 is a single-width, 6U height VME module designed specifically to acquire low frequency inputs from industrial speed sensors. The module can measure frequency and period over a wide dynamic range, and is specifically designed to ensure reliable measurement in high-noise industrial environments.
Differential signal inputs are signal conditioned, filtered and presented to the inputs of a custom gate array chip which manages period and frequency measurement. An on-board microprocessor periodically reads the timer chip, checks and scales data, and loads measured values into a dual-port memory interfaced to the VME bus.
The input signal conditioners can be connected directly to common transducer types, including:
- Variable reluctance or hall-effect magnetic speed pickups
- AC line voltage or alternator windings up to 150 volts RMS
- Optical pickups
- Reed-switch or signal-conditioned fuel flow meters
- Contact closures or other special levels
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