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Omron E6B2-CWZ6C 300P-R 2M — front face of the brown Omron retail carton on a wooden bench showing the E6B2-CWZ6C model label with the Chinese-character name, the 2m cable marking, the 5 to 24V DC supply, the 300P/R resolution, the LOT No. 18622M, the GS1 barcode 4 547648 314091, the CE and KC certifications, and the blue Omron Corporation brand strip

Omron E6B2-CWZ6C 300P-R 2M — 40 mm Encoder, NPN, 2 m

SKU: E6B2-CWZ6C 300P- R 2M

USD 32.00

Omron E6B2-CWZ6C 300P-R 2M 40 mm incremental rotary encoder, 300 PPR, complementary NPN open-collector, 2 m cable. In stock, China shipping.

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Product Overview

The Omron E6B2-CWZ6C 300P-R 2M is the E6B2-C-series 40 mm incremental rotary encoder with a 2 m pre-wired cable, 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.

It has a 6 mm solid shaft and delivers 300 pulses per revolution on phases A, B and Z. The CWZ6C suffix means 5 to 24 VDC supply with a complementary NPN open-collector output (A and inverted-A, B and inverted-B, Z and inverted-Z). Maximum response frequency 100 kHz; maximum rotation 6,000 RPM. Load voltage 30 VDC max, sink current 35 mA max, draw 80 mA max.

The 40 mm body is ABS with a SUS420J2 stainless steel shaft. Starting torque 0.98 mN m max, radial load 30 N. The 2 m PVC cable is oil-resistant. IP50, -10 to +70 C. Built-in load short-circuit and reverse-connection protection. For 2000 P/R pick E6B2-CWZ6C 2000P-R; for a 50 mm body pick E6C2-CWZ6C 1024P-R 2M.

Key Features

  • E6B2-C-series 40 mm incremental rotary encoder with 6 mm solid shaft and 300 pulses per revolution on A / B / Z phases
  • Complementary NPN open-collector output, 5 to 24 VDC supply, 100 kHz max response frequency, 6,000 RPM max rotation
  • 30 VDC max load, 35 mA max sink current, 0.4 V residual voltage, 80 mA max current draw, built-in short-circuit and reverse-connection protection
  • 40 mm ABS body, SUS420J2 stainless steel shaft, 0.98 mN m max starting torque, 30 N radial / 20 N thrust, 2 m pre-wired PVC cable, IP50
  • SKU: E6B2-CWZ6C 300P- R 2M
  • Series: E6B2-C-series 40 mm incremental rotary encoder, solid shaft, pre-wired
  • Voltage: 5 TO 24 VDC

Best-Fit Applications

  • Cut-to-length conveyor where a 200 mm measuring wheel rides on the web and the 300 P/R signal cuts every 0.67 mm of linear travel
  • Indexing-table position feedback on a rotary indexing machine where the Z index pulse re-arms the home position once per turn
  • Spare replacement on a small AC motor that needs a 5 to 24 VDC NPN signal into an NJ501-1300 high-speed counter for speed regulation

Buying Checklist

  • Pick the E6B2-CWZ6C 300P-R 2M when the project needs 300 P/R from a 40 mm NPN encoder on a 2 m cable.
  • Pick the E6B2-CWZ6C 2000P-R instead when the application needs 6.7 times the resolution for precision positioning or cut-to-length on a small wheel.
  • Pick the E6C2-CWZ6C 1024P-R 2M instead when the panel space allows a 50 mm body and the application needs 1024 P/R at the same NPN output.

Technical Specifications

Manufacturer Omron Corporation (Japan)
Series E6B2-C-series 40 mm incremental rotary encoder, solid shaft, pre-wired
Model / SKU E6B2-CWZ6C 300P-R 2M
Resolution 300 pulses per revolution on phases A, B and Z
Output Type Complementary NPN open-collector (A and inverted-A, B and inverted-B, Z and inverted-Z)
Supply Voltage 5 to 24 VDC (-5 to +15 percent), 80 mA max; ripple 5 percent p-p max
Load Rating 30 VDC max load voltage; 35 mA max sink current; 0.4 V max residual voltage; built-in short-circuit and reverse-connection protection
Response / Speed 100 kHz max response frequency; 6,000 RPM max rotation; 0.98 mN m max starting torque
Shaft / Cable 6 mm solid shaft; 30 N radial load, 20 N thrust load; 2 m pre-wired PVC cable, oil-resistant, radial cable exit
Construction 40 mm ABS housing; SUS420J2 stainless steel shaft; CE; RoHS
Protection / Environment IP50; operating temperature -10 to +70 C (no icing); storage -25 to +85 C; humidity 35 to 85 percent
Compliance Conforms to EN 60947-5-2; CE; RoHS; counter face mates with high-speed counter inputs on CP1H, CP1L, NJ, NX, CJ2 PLCs and 1S / Accurax G5 servo drives

FAQ for E6B2-CWZ6C 300P- R 2M

What is the Omron E6B2-CWZ6C 300P-R 2M used for?
It is the E6B2-C-series 40 mm incremental rotary encoder with 300 pulses per revolution and a complementary NPN open-collector output. Typical uses are cut-to-length conveyors with a measuring wheel, indexing-table home-position feedback on a rotary machine, and spare replacement on a small AC motor for speed regulation into an NJ-series high-speed counter.
What does the CWZ6C suffix mean?
C = complementary output (each phase has both an NPN and an inverted-NPN transistor). W = 5 to 24 VDC supply. Z6 = A, B and Z phases. C = NPN open-collector (the alternate E would be PNP). The complementary outputs let the encoder sink current in both directions of each phase, which gives better noise immunity than single-ended NPN over a 2 m cable.
Can the E6B2-CWZ6C 300P-R 2M drive a 24 VDC PLC input?
Yes. The supply range is 5 to 24 VDC and the load voltage rating is 30 VDC max, so the encoder sinks the PLC input voltage through the A and B outputs. Sink current is rated 35 mA max per output, which covers most 24 VDC PLC counter inputs on the CP1L, CP1H, NJ, NX and CJ2 families. For a 5 VDC PLC, the encoder still works within the 5 to 24 VDC range.
What is the maximum cable length for the E6B2-CWZ6C 300P-R 2M?
The 2 m pre-wired cable is the standard drop. For longer runs, use shielded twisted-pair cable and keep the total under about 20 m before the NPN pulse edges start to round off from line capacitance. For longer cable runs or high-noise cabinets, step up to the line-driver E6B2-CWZ6E (RS-422A differential output) for 50 m plus.
Is the E6B2-CWZ6C 300P-R 2M still in production?
Yes. The E6B2-C-series is still the general-purpose 40 mm incremental encoder that Omron lists as an active product. For harsh-environment applications (IP67, oil-mist, food-grade) step up to the E6C3-C-series or the E6H-C-series with the same body diameter and a higher IP rating.

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