User Manual Q&AAnswer
Feb 24, 2025 - 11:08 PM
To install and connect the Netzer VLH-35 Absolute Rotary Encoder, follow these steps:
1. Encoder Mounting:
- Use M1.6 screws to mount the encoder stator and rotor.
- Ensure the air gap between the stator and rotor is 0.6 mm +/- 0.15 mm.
- Verify proper rotor mounting using the Encoder Explorer tools.
2. Unpacking:
- The standard package includes the encoder stator and rotor.
- Optional accessories are available, such as a 250 mm cable and RS-422 to USB converters.
3. Electrical Interconnection:
- Use the DF52-2832PF1571-28A9-300 connector for interconnection.
- Depending on the encoder type, use the appropriate kit for SSi or BiSS encoder mounting on a rotary jig.
- Follow the provided pin assignment to connect the encoder to a 9-pin D-type connector on the RS-422/USB converter.
4. Electrical Connection and Grounding:
- The encoder does not come with a specified cable and connector, so you need to observe grounding considerations.
- Do not connect the cable shield to the power supply return line.
- Ground the host shaft to avoid interference and encoder internal noise.
- Use a 4.75 to 5.25 VDC power supply.
5. Software Installation:
- Install the Electric Encoder Explorer (EEE) software, which verifies mechanical mounting correctness, performs calibration, and sets up general and signal analysis.
- Minimum requirements include MS Windows 7/10 (32/64 bit), 4MB memory, USB 2 communication ports, and Windows .NET Framework, V4 minimum.
- Run the Electric Encoder Explorer file from the Netzer website to install the software.
6. Mounting Verification:
- Start the Encoder Explorer tool and ensure successful communication with the encoder.
- The encoder data should display, and the position dial should respond to shaft rotation.
- Perform mounting verification and rotation direction selection before calibration for optimal performance.
7. Calibration:
- After successful mounting verification, select "Calibration" in the Encoder Explorer tool.
- Rotate the shaft consistently while data acquisition is in progress.
- Follow the steps for full manual calibration, offset compensated fine/coarse channel calibration, and setting the encoder zero point.
- Perform a jitter test to evaluate the quality of the installation.
8. Operational Mode:
- The encoder supports SSi or BiSS interface.
- The operational mode can be indicated using the NanoMIC.
- Refer to the Netzer website for more information on the NanoMIC and the SSi/BiSS interface.
9. Mechanical Drawings:
- Refer to the mechanical drawings provided in the manual for dimensional specifications and tolerances.
Please note that this answer is based on the information provided in the Netzer VLH-35 Absolute Rotary Encoder User Manual. For specific details and further assistance, it is recommended to refer to the manual or contact Netzer directly.
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