Skip to main content

Rota-tally

The Rota-tally is a non-contact, field retrofittable, rotary shaft sensor designed to easily measure shaft rotation and speed in harsh environments.

What does the Rota-tally do?

The Rota-tally is a non-contact, field retrofittable, rotary shaft sensor designed to easily measure shaft rotation and speed in harsh environments. This product is field retrofittable to a magnetic shaft mounting (1.5″) with chain mounting.

Designed for harsh environments, the Rota-tally can withstand hazardous conditions and provide measurements in temperatures from -25°C to 80°C. It can be used to measure shaft rotation and speed in various environments including:

  • Industrial presses and rolling plants
  • Conveyor machinery
  • Paving plants
  • Power generation
  • Mobile construction equipment
Download Product Overview
Product Specifications R101-1024 | R101-0256
Supply Voltage 8-30VDC
Polarity Protection Yes
Current <25mA
Operating Temperature & Humidity -25°C to 80°C, 0 to 100% RH
Resolution 1024 pulses/rev | 256 pulses/rev
Max Speed 1500 rpm
Output Signal A/B pulse: push-pull (0.7V)
Output Load Resistor >= 500ohm
Wire Length 2m PVC/PVC

Brown   + DC
Black     A output
Blue      GND
White    B output

A/B pulse: push-pull
Vout = 0,7V – (Vsupply-0,7V)
A leads B rotating clockwise
Waveform