Description
Engineered for precise rotational speed and angular displacement measurement, the Omron E6H-CWZ6C 2000P/R 0.5M serves as a high-resolution, hollow-shaft incremental rotary encoder designed for demanding industrial automation setups. This encoder provides exceptional signal clarity, utilizing an incremental design to deliver 2000 pulses per revolution across output phases A, B, and Z. Supported by a wide operating voltage range, it integrates seamlessly into high-speed control loops, motor feedback systems, and synchronized positioning networks.
Features
-
High Resolution: Generates 2000 pulses per revolution (P/R) for microscopic motion control and positioning feedback.
-
Wide Operating Range: Operates reliably on power supplies from 5 VDC minus 5% up to 24 VDC plus 15%.
-
Multi-Phase Feedback: Output phases A, B, and Z enable directional sensing and zero-point calibration.
-
NPN Open Collector Output: Ensures robust signal isolation and compatibility with standard PLC and controller high-speed counter inputs.
-
Durable Mechanics: Features a high-integrity design with a SUS304 stainless steel shaft and an aluminum body for hostile industrial environments.
Applications
- CNC machine tools and spindle speed positioning systems.
- Automated packaging machinery and synchronous web guiding.
- Conveyor tracking, high-speed material handling, and sorting.
- Textile manufacturing lines and precision printing presses.
Technical Specifications
| Parameter |
Specification Value |
| Manufacturer |
Omron |
| Model Code |
E6H-CWZ6C 2000P/R 0.5M |
| Encoder Type |
Incremental (Hollow Shaft) |
| Resolution |
2000 P/R (Pulses per Revolution) |
| Supply Voltage |
5 VDC -5% to 24 VDC +15% (Ripple p-p: 5% max) |
| Current Consumption |
100 mA DC max. |
| Inrush Current |
Current: approx. 6 A (Duration: approx. 0.3 ms) |
| Output Phases |
A, B, and Z |
| Control Output Type |
NPN Open Collector Output |
| Load Current (Sink) |
35 mA max. |
| Residual Voltage |
0.7 V max. at 35 mA max. sink |
| Max. Response Frequency |
100 kHz |
| Phase Difference |
90 deg -45 to +45 deg |
| Mechanical Connection |
Pre-wired Model (Cable length: 0.5 m) |
| Materials |
Case: Iron Zinc Plating | Body: Aluminum | Shaft: SUS304 |
| Shipping Weight (Calculated) |
0.45 kg |
Connections and Interfaces
| Wire Color |
Signal Function / Assignment |
| Brown |
Power Supply (+Vcc) 5 to 24 VDC |
| Blue |
Power Supply Ground (0V / COM) |
| Black |
Output Phase A |
| White |
Output Phase B |
| Orange |
Output Phase Z (Origin / Index) |
| Shield |
Frame Ground (F.G.) - Connect to protective earth to reduce EMI |
Empirical Engineering Insights
Alternative Models & Compatibility
The E6H-CWZ6C model with a 2000 P/R configuration directly replaces lower-resolution variations within the E6H series, provided the high-speed counter on the controller side is re-parameterized to handle the higher pulse density. When replacing older hollow-shaft designs, verify the mounting leaf spring pattern matches precisely to avoid excessive stress on the internal optical components.
Application Pitfalls & Engineering Notes
Because this is a hollow shaft encoder, dynamic misalignment between the motor shaft and the encoder casing can cause phase errors and premature bearing wear. Ensure that the shaft's radial runout is kept within the rated limits and that a flexible mounting bracket is used to isolate mounting vibration. The NPN open collector output is sensitive to voltage drops on long cable runs; if wiring beyond 5 meters is necessary, utilize pull-up resistors close to the controller card or convert the signal to differential line driver levels.
Commissioning & Wiring Tips
Always route the encoder signal cable through dedicated, grounded metallic conduits. Running the signal cable parallel to high-voltage, variable-frequency drive output lines can inject noise into Phase A or B, causing phantom counts. Ensure the shield wire is terminated on the control cabinet side only to avoid dangerous ground loops.
Installation Guidelines
CRITICAL WARNING: ELECTRICAL SAFETY PROTOCOL
Ensure all power supply lines are completely de-energized before mounting or wiring the encoder. Connecting or disconnecting wiring while power is applied can cause terminal damage or internal circuit destruction due to inrush current or transient spikes.
1
Slide the hollow shaft of the encoder onto the drive shaft, making sure it is fully seated without forcing the internal bearing mechanism.
2
Secure the flexible leaf-spring mounting plate to the motor casing or machine frame, keeping alignment as close to 180 degrees coplanar as possible.
3
Tighten the hollow shaft clamping screws evenly to ensure uniform friction against the drive shaft.
4
Connect the color-coded wires strictly according to the schematic table above, isolating any unused signal lines.