Omron E6C2-CWZ5B 100P-R — 50 mm Encoder, 100 P/R
SKU: E6C2-CWZ5B 100P-RUSD 37.00
Omron E6C2-CWZ5B 100P-R 50 mm slim rotary encoder, 100 P/R, 12-24 VDC, PNP, 2 m cable, IP64. In stock, China shipping.
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Product Overview
The Omron E6C2-CWZ5B 100P-R is a slim 50 mm incremental rotary encoder at 100 pulses per revolution, 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 outputs 100 pulses per shaft turn on three channels: A, B, and Z (index). A and B are 90 degrees apart, so a counter reads direction. The Z pulse fires once per turn for home-position reset. The PNP open-collector driver pulls each output to the 12 to 24 VDC rail.
The body is 50 mm in diameter with a 6 mm flatted solid shaft. Maximum rotation is 6000 r/min; maximum response frequency is 50 kHz. The 2 m cable exits at an angle from the side or back of the housing. IP64 rating comes from sealed bearings. The NPN 1024 P/R sibling is the E6C2-CWZ6C 1024P-R 2M; the 500 P/R same-body sibling is the E6C2-CWZ5B 500PR 2M. The E69-C06B coupling and E69-2 servo bracket are sold separately.
Key Features
- E6C2-series slim 50 mm incremental rotary encoder, 100 pulses per revolution, 3 channels A / B / Z
- 12 to 24 VDC supply (allowable -10 to +15 percent), PNP open-collector output, 100 mA max, 30 VDC tolerant
- Maximum response frequency 50 kHz, maximum rotation 6000 r/min, phase-A / phase-B 90 +/-45 degrees apart for quadrature direction
- Pre-wired 2 m PVC cable with index Z pulse, 6 mm flatted solid shaft, sealed bearings for IP64 oil resistance
- SKU: E6C2-CWZ5B 100P-R
- Series: Omron E6C2-C-series slim incremental rotary encoder
- Voltage: 12 TO 24 VDC
Best-Fit Applications
- Cut-to-length control on a film-converting line where the E6C2-CWZ5B 100P-R counts encoder pulses and the Z pulse resets at the seam
- Bottle-indexing on a rotary filler where the 100 P/R signal feeds a CP1E high-speed counter input and the 4x quadrature gives 400 counts per turn
- Spare replacement on a conveyor tachometer where the previous E6B2-CWZ5B 100 P/R 0.5M is upgraded for the longer 2 m cable and the IP64 body
Buying Checklist
- Pick the E6C2-CWZ5B 100P-R for a 50 mm slim incremental encoder at 100 P/R with PNP output and a 2 m pre-wired cable.
- Pick the E6C2-CWZ6C 1024P-R 2M instead when the cabinet needs 1024 P/R and NPN open-collector output on the same 50 mm body.
- Pick the E6B2-CWZ6C 300P-R instead when the panel accepts the smaller 40 mm body and only needs 300 P/R with NPN output.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | Omron E6C2-C-series slim incremental rotary encoder |
| Model / SKU | E6C2-CWZ5B 100P-R |
| Resolution | 100 pulses per revolution (P/R), 4x quadrature decoding = 400 counts per turn to the counter |
| Output Phases | A, B and Z (index), 90 +/-45 degrees phase difference on output (1/4 T +/- 1/8 T), rise/fall 1 us max at 2 m / 10 mA |
| Power Supply | 12 to 24 VDC, allowable -10 to +15 percent, ripple (p-p) 5 percent max, 100 mA max current consumption |
| Output Type | PNP open-collector, starting positional point (Z) equipped, output short-circuit protected, reverse-polarity protected |
| Max Rotation / Frequency | 6000 r/min maximum rotation, 50 kHz maximum response frequency, approx. 9 A inrush for 0.3 ms at power-on |
| Mechanical | Starting torque 10 mN.m max, moment of inertia 3 x 10^-7 kg.m^2 max, radial shaft load 50 N, thrust 30 N |
| Cable | 2 m pre-wired PVC cable, angled exit at side or back of housing |
| Material / Construction | Case zinc alloy, main unit aluminium, shaft SUS420J2 stainless, 6 mm flatted solid shaft |
| Environment / Weight | IP64 (oil-resistant sealed), -10 to 70 C operating, -25 to 85 C storage, 35 to 85 percent humidity (no icing / condensation), approx. 400 g packaged |
FAQ for E6C2-CWZ5B 100P-R
What is the Omron E6C2-CWZ5B 100P-R used for?
It is the E6C2-series slim 50 mm incremental rotary encoder at 100 pulses per revolution with a PNP open-collector output. It is used for shaft-position feedback, length measurement, conveyor tachometry, and rotary-table indexing where 100 P/R is the right resolution. The three channels (A, B and Z) let a PLC counter read direction from the A / B quadrature and reset on the once-per-turn Z pulse.
E6C2-CWZ5B vs E6C2-CWZ6C - what is the difference?
Both share the same 50 mm slim body, 6 mm flatted solid shaft, IP64 oil-resistant sealing, and 2 m pre-wired cable. The -CWZ5B is the PNP open-collector variant on 12 to 24 VDC; the -CWZ6C is the NPN open-collector variant on 5 to 24 VDC. Pick the -CWZ5B for PNP (sourcing) PLC high-speed counter cards; pick the -CWZ6C for NPN (sinking) cards or for legacy 5 VDC logic inputs.
What is the maximum cable length for the E6C2-CWZ5B?
The 100 P/R unit ships with a 2 m cable. Omron's general incremental encoder guidance is to keep the cable short and use a shielded cable where long runs are needed; output rise and fall times are 1 us max at 2 m and 10 mA load, and the 50 kHz max response frequency falls off as cable capacitance rises. For long runs pick the line-driver -CWZ1X variant instead, which supports RS-422 differential transmission over much longer cables.
Does the E6C2-CWZ5B need a pull-up resistor?
No. The E6C2-CWZ5B is a PNP open-collector output, which pulls each signal up to the 12-24 VDC supply rail internally. The load is switched between the output line and the 0 V return; the PLC high-speed counter input sees a clean 24 VDC high and a near-0 V low. For the NPN sibling E6C2-CWZ6C the PLC input also works without an external pull-up because most modern PLC inputs are internally pulled up to 24 VDC.
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