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Omron E6C2-CWZ5B 500P-R 2M Rotary Encoder 500P/R DC5-24V Voltage Output 2m Cable — front view

Omron E6C2-CWZ5B Incremental Rotary Encoder, 500 P/R, Voltage Output, 2 m Cable

SKU: E6C2-CWZ5B 500P- R 2M

USD 43.00

Omron E6C2-CWZ5B 50 mm incremental rotary encoder, 500 P/R, complementary voltage output, 5–24 VDC, 2 m pre-wired cable, for medium-resolution position and length feedback.

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Product Overview

The Omron E6C2-CWZ5B is a 50 mm-body incremental rotary encoder in the E6C2 family. The "CWZ5B" suffix denotes a complementary voltage output (push-pull, not open-collector) on phases A, B and Z, with a 5–24 VDC supply. The voltage output is more noise-resistant than an open-collector over long cable runs and connects directly to the high-speed counter inputs of most Omron PLCs.

The 500 P/R resolution lands in the middle of the E6C2 range — between the 100 / 200 P/R low-resolution parts and the 1,024 / 2,000 P/R high-resolution parts. At 5,000 rpm maximum shaft speed, the output frequency tops out at ≈ 42 kHz, which sits comfortably inside the counting bandwidth of any modern PLC.

The 50 mm body gives a beefier bearing and shaft than the 40 mm E6B2 family: the shaft is 8 mm diameter, and the rated shaft loads are correspondingly higher (radial 50 N, axial 30 N). This makes the E6C2 a better fit for direct-coupling to a small gearbox output or a measuring wheel, where side load is real.

Common uses: medium-resolution length measurement on converting machinery, elevator and lift position feedback, cut-to-length systems, moderate-precision indexing tables. The "2M" suffix indicates a 2 m pre-wired cable, which is the typical drop from the encoder to a nearby terminal box.

Key Features

  • 500 P/R resolution — ≈ 42 kHz output at max 5,000 rpm
  • Complementary voltage output on A, B, Z — noise-resistant for long cable runs
  • 5–24 VDC supply — works with 12 V and 24 V systems
  • 50 mm body, 8 mm shaft
  • 2 m pre-wired cable
  • Maximum shaft speed 5,000 rpm
  • Shaft load rating: radial 50 N / axial 30 N
  • IP50 protection
  • SKU: E6C2-CWZ5B 500P- R 2M
  • Series: E6C2-C
  • Voltage: 24 VDC

Best-Fit Applications

  • Medium-resolution length measurement on converting machinery
  • Elevator / lift position feedback
  • Cut-to-length systems with 1–2 mm resolution
  • Indexing tables in light assembly automation
  • Measuring-wheel feedback where some side load is expected

Buying Checklist

  • Confirm voltage (CWZ5B) vs open-collector (CWZ6C) — voltage output is better for long cable runs
  • Verify the P/R code matches the resolution you programmed into the counter module
  • For 1,024 P/R or higher, use the E6C2-CWZ6C 1024P-R variant
  • If the encoder will see significant side load, the 50 mm body's higher shaft-load rating is worth the extra cost over the 40 mm E6B2
  • For washdown mounting, use the IP65-sealed variant — this is IP50

Technical Specifications

Series E6C2-C
Model E6C2-CWZ5B (500 P/R, 2 m cable)
Body diameter 50 mm
Shaft diameter 8 mm
Resolution 500 pulses per revolution
Output phases A, B, Z (complementary voltage)
Output type Voltage (push-pull, complementary)
Supply voltage 5–24 VDC ±10%
Current consumption 100 mA max
Max response frequency 50 kHz
Max rotational speed 5,000 rpm
Shaft load (radial) 50 N max
Shaft load (axial) 30 N max
Cable 2 m pre-wired
Protection rating IP50
Operating temperature -10 °C to +70 °C

FAQ for E6C2-CWZ5B 500P- R 2M

What does "voltage output" mean?
A voltage output actively drives the signal high or low at each transition (push-pull), unlike an open-collector output which only pulls low. Voltage output gives cleaner edges and is more tolerant of long cables and electrical noise.
Can I substitute this for an E6B2-CWZ6C?
Mechanically, no — the bodies are different sizes (50 mm vs 40 mm) and the shafts are different diameters (8 mm vs 6 mm). Electrically, the voltage output is a direct upgrade for noise immunity, but you will need a different mounting bracket.
What's the smallest length change I can detect?
With a 200 mm measuring wheel, 500 P/R gives ≈ 1.25 mm per pulse. With quadrature decoding (×4) on the receiving PLC, effective resolution is ≈ 0.3 mm — fine for most cut-to-length applications.

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