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Red cylindrical rotary encoder with axial cable exit

Autonics Corp

Autonics Corp E50S8-1024-3-N-24 Rotary Encoder 1024P/R NPN 12-24VDC

SKU CH-2V3Q-7TR47 MPN E50S8-1024-3-N-24

Incremental rotary encoder delivers 1024 pulses per revolution with NPN open-collector output on a 12-24 VDC supply

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • 1024 pulses per revolution deliver precise positioning
  • NPN open collector output suits standard PLC inputs
  • 12-24 VDC supply range fits common control voltages
  • 300 kHz response frequency supports high-speed feedback
  • IP50 protection resists dust in industrial environments

Autonics E50S8 Incremental Encoder

The Autonics E50S8-1024-3-N-24 is an incremental rotary encoder with a 1024 pulses per revolution resolution and NPN open collector output. It operates on a 12-24VDC power supply with a maximum 5% ripple tolerance. The unit features an Ø8mm shaft and an axial cable connection housed in an IP50 rated enclosure. This encoder suits precision position and speed feedback tasks in industrial automation.

Engineers needing 300kHz response

This encoder suits engineers requiring a maximum response frequency of 300kHz and a maximum allowable revolution of 5000rpm for motion control systems. The starting torque is rated at a maximum of 70gf.cm. Buyers who need absolute positioning data or higher environmental sealing than IP50 should look at alternative encoder types. It is not intended for applications requiring built-in signal conditioning beyond the NPN output.

Simple axial cable mounting with IP50 rating

Installation involves securing the Ø8mm shaft and routing the axial cable to the controller. The IP50 protection structure guards against dust ingress but offers no water resistance, so liquid exposure is a common installation error. Wiring must match the NPN open collector specification and the 12-24VDC supply limits to avoid damage. Ensure the 5% ripple limit is met for reliable operation.

How it compares

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Price $88.99
Cheaper than about 55% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameAutonics
Model nameE50S8-1024-3-N-24
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

What power supply does the E50S8-1024-3-N-24 rotary encoder require?

The encoder operates from a 12-24VDC supply with a tolerance of ±5% and a maximum ripple of 5% peak-to-peak.

Can the 300kHz maximum response frequency of this encoder work with a controller that samples at a lower rate?

Yes, the 300kHz limit is the encoder's maximum output frequency; a controller sampling slower will simply capture fewer pulses per revolution up to the 5000rpm mechanical limit.

How can I verify the encoder is producing the correct 1024 pulses per revolution after installation?

Rotate the shaft at a known speed and count the NPN open-collector output pulses; the total should match 1024 pulses for each full revolution.

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