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Omron E6B2-CWZ6C — front view of the 40 mm incremental encoder showing the 6 mm shaft, the ABZ phase marking, and the model label on the dark grey housing

Omron E6B2-CWZ6C — Incremental Encoder, NPN

SKU: E6B2-CWZ6C

USD 42.00

E6B2 40 mm incremental rotary encoder, NPN open-collector output, DC5-24 V, A / B / Z phases, 2000 P/R.

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Product Overview

The Omron E6B2-CWZ6C is a 40 mm diameter incremental rotary encoder for general position and speed feedback. It is manufactured by Omron Corporation. Hengyixin Automation ships this sensor from our Xiamen warehouse with a 30-day DOA return window and a datasheet PDF included in the box.

2000 P/R resolution (base SKU) DC5-24 V supply, 80 mA current draw E6B2 40 mm incremental rotary encoder DC5-24 V supply, 80 mA current draw

E6B2 40 mm incremental rotary encoder DC5-24 V supply, 80 mA current draw

Ground the cable shield at the panel end only.

Key Features

  • E6B2 40 mm incremental rotary encoder
  • DC5-24 V supply, 80 mA current draw
  • 2000 P/R resolution (base SKU)
  • IP65 protection rating, 5000 rpm max.
  • SKU: E6B2-CWZ6C
  • Series: E6B2 incremental rotary encoder
  • Voltage: 24 V

Best-Fit Applications

  • Rotary index table position feedback with home on Z pulse
  • Conveyor belt speed feedback with a measuring wheel on the belt
  • Cut-to-length control on a film or sheet feeding line

Buying Checklist

  • Choose E6B2-CWZ5B for PNP open-collector sourcing output.
  • Choose E6B2-CWZ3E for voltage output to high-frequency drives.
  • Choose E6B2-CWZ6C for NPN open-collector ABZ output at 2000 P/R.

Technical Specifications

Series E6B2 incremental rotary encoder
Output Phases A, B, Z (origin pulse)
Output Type NPN open collector (CWZ6C)
Resolution 2000 P/R (base SKU; suffix variants to 2000 P/R)
Supply Voltage DC5 V (-5 %) to 24 V (+15 %)
Current Draw 80 mA max.
Max Response Frequency 100 kHz
Max Shaft Speed 5000 rpm
Shaft Load 30 N radial / 20 N axial
Starting Torque 0.98 mN.m max.
Protection Rating IP65
Shaft Diameter 6 mm

FAQ for E6B2-CWZ6C

What is the difference between E6B2-CWZ6C and E6B2-CWZ5B?
Both are 40 mm incremental encoders with ABZ phases at 2000 P/R. The CWZ6C is NPN open-collector (sinking); the CWZ5B is PNP open-collector (sourcing). Pick CWZ6C for PLC counter cards that expect a sinking input; pick CWZ5B when the counter expects a sourcing input.
Can the E6B2-CWZ6C drive a CJ1W-CT021 counter?
Yes. The CJ1W-CT021 high-speed counter card accepts NPN open-collector encoder inputs at 24 VDC. The encoder supply is taken from the same 24 VDC rail as the PLC, and the A / B / Z phases wire into the matching counter input terminals. Scaling is done in CX-Programmer.
What cable is recommended for the E6B2-CWZ6C?
Use a shielded twisted-pair cable with the shield grounded at the panel end only. Cable runs over 10 m should use a line-driver version (E6B2-CWZ6C with -1 suffix or the E6B2-CWZ3E) to avoid signal degradation. Avoid running the encoder cable parallel to VFD output cables.

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