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Related Manuals for Netzer VLX Series
Summary of Contents for Netzer VLX Series
- Page 1 VLX-170 PRODUCT GUIDE Hollow Shaft Absolute Kit Encoder Rotary Encoder...
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Page 3: Table Of Contents
11.1 Absolute position over SSi or BiSS-C ............................11.2 Digital SSi Interface ....................................11.3 Digital BiSS-C Interface ..................................11.4 Setup mode over NCP (Netzer Communication Protocol) ..................11.5 Electrical connection and grounding ............................12. Signal Verification ................................17-19 12.1 Starting the Encoder Explorer ................................ -
Page 4: Vlx Encoders Introduction
1. VLX Encoders Introduction Designed to meet the requirements of the most demanding applications The VLX series of Electric Encoders™ are a line of encoders designed for high accuracy motion control for industrial, automation and robotic applications. These encoders are based on capacitive technology which have been developed and improved for over 20 years by Netzer Precision Position Sensors. -
Page 5: Technical Specifications
Storage temperature -40°C to +85°C Relative humidity 98% Non condensing Shock endurance / functional 100g 6msec saw-tooth per IEC 60068-2-27:2009 Vibration functional 20g @ 10 to 2000 Hz sweep per IEC 60068-2-6 Protection IP 40 Netzer Precision Position Sensors VLX-170-PG-V02... -
Page 6: Ordering Code
3. Ordering Code n n n VLX Product Line Extended Accuracy nnn Custom Outer Diameter Interconnection Output Horizontal (Connector) Vertical (Connector) BiSS Connector Resolution Code 524,288 1,048,578 2,097,156 *SSi only VLX-170-PG-V02 Product Guide... -
Page 7: Mechanical Drawings
PCB thickness rotor PCB thickness air gap between PCBs Unless otherwise specified Dimensions are in: mm Surface finish: N6 Linear tolerances 0.5-4.9: ±0.05 mm 5-30: ±0.1 mm 31-120: ±0.15 mm 121-400: ±0.2 mm Netzer Precision Position Sensors VLX-170-PG-V02... -
Page 8: Mechanical Interface Control Drawing
5. Mechanical Interface Control Drawing vertical connector horizontal connector Mounting screws (not included) Encoder’s stator Encoder’s rotor Customer’s base Mounting dowel M2 pins Customer’s shaft Customer interface, example, exploded view Accessories cables (optional) SSi / BiSS Remarks CB-00088-250 AWG30, 250 mm CB-00088-500 AWG30, 500 mm VLX-170-PG-V02... -
Page 9: Storage And Handling
The Electric Encoder™ non-contact technology provides accurate position measurement through the modulation of an electric field. The VLX-170 Electric Encoder™ is a kit-encoder, i.e., its rotor and stator are separate. (1) Encoder stator (2) Encoder rotor Netzer Precision Position Sensors VLX-170-PG-V02... -
Page 10: Unpacking - Standard Order
8.2 Unpacking - standard order The package of the standard VLX-170 contains the encoder Stator & Rotor . Optional accessories: (1) CB-00088-250, 250mm connection harness. (2) CB-00088-500, 500mm connection harness. (3) CNV-00003, RS-422 to USB converter (with USB internal 5V power supply path). (4) NanoMIC-KIT-01, RS-422 to USB converter. -
Page 11: Electric Encoder Software Installation
Windows .NET Framework, V4 minimum 9.2 Installing the software ● Encoder Explorer Software Tools Run the Electric Encoder™ Explorer file found on Netzer website: ● After the installation you will see Electric Encoder Explorer software icon on the computer desktop. ●... - Page 12 Encoder stator / Rotor relative position For proper performance the air gap should be 1 mm ±0.3 mm In an optimal mounting, the signal amplitude values generated by the encoder, would be in the middle of the range of the signal plot shown in the Encoder Explorer software (see plot below). This may vary according to the encoder type.
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Page 13: Electrical Connection
P.S. Clock Clock - Blue GND / RTN Data - Yellow Data + Data Data / NCP TX Data + Green Data - Black Ground Clock - Clock / NCP RX Power supply Clock + Netzer Precision Position Sensors VLX-170-PG-V02... -
Page 14: Digital Ssi Interface
11.2 Digital SSi Interface Synchronous Serial Interface (SSi) is a point to point serial interface standard between a master (e.g. controller) and a slave (e.g. sensor) for digital data transmission. Master Clock Encoder Data Built In Test option (BIT) The BIT indicates critical abnormality in the encoder internal signals. '0' –... -
Page 15: Digital Biss-C Interface
The CRC polynomial for position, error and warning 6 bits data is: x . It is transmitted MSB first and inverted. The start bit and “0” bit are omitted from the CRC calculation. Timeout Elapse between the sequential “start”request cycle’s 25 μs Netzer Precision Position Sensors VLX-170-PG-V02... -
Page 16: Setup Mode Over Ncp (Netzer Communication Protocol)
SSI / BiSS NanoMIC Electric Encoder Connect Netzer encoder to the converter, connect the converter to the computer and run the Electric Encoder Explorer Software Tool 11.5 Electrical connection and grounding Observe the following grounding consideration: The cable shield electrically floating (unconnected) by default. -
Page 17: Signal Verification
Encoder data is displayed in the encoder data area (CAT No., Serial No.) (e). The position dial display responds to shaft rotation (f ). It is important to perform the Signal Verification process prior to the calibration of the encoder to ensure optimal performance. Netzer Precision Position Sensors VLX-170-PG-V02... -
Page 18: Signal Verification Process
12.2 Signal verification process The Signal Verification process ensures that the encoder is mounted correctly and provides good signal amplitudes. This is performed by collecting raw data of the fine and coarse channels during rotation. ● Select <Signal Verification> on the main screen (a). ●... - Page 19 Stop the process and re-mount the encoder, making sure that the mechanical installation tolerances are not exceeded, removing or adding shims as required. ● Repeat the Signal Verification process after the remount. Once the signal verification process is successfully completed, proceed to the encoder calibration phase, Section 13 Netzer Precision Position Sensors VLX-170-PG-V02...
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Page 20: Calibration
2. Process timed-out If ‘Push Button’ calibration repeatedly fails after the applying the corrective actions, revert to the auto or manual calibration processes (sections 13.2 & 13.3). If calibration still fails – contact Netzer support department. VLX-170-PG-V02 Product Guide... - Page 21 During Auto-Calibration process the encoder’s Zero-Position remain in the factory default zero position for new encoders. It is possible to set the Zero Point through the top menu bar, by selecting “Calibration” tab, and clicking “Set UZP” as defined in section 13.3. Netzer Precision Position Sensors VLX-170-PG-V02...
- Page 22 13.2.2 Performing Auto-calibration Press the <Auto-calibration> button. The main auto-calibration window opens. ● Select the appropriate measurement range applicable to your application (a). ● Make sure to keep the shaft still and press the <Start> The Noise test would be performed and upon successful completion the “Noise test” label will be marked with a green check mark.
- Page 23 If a test fails (for example the Noise test) – the result will be marked with in red X. If the calibration process failed, corrective recommendations will be displayed, corresponding to the element which had failed the test. Netzer Precision Position Sensors VLX-170-PG-V02...
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Page 24: Manual Calibration
It is possible to review detailed information regarding the failure, by clicking the <Detailed data> button (d). 13.3 Manual calibration The Manual calibration process consists of the following stages: 1. Offset calibration - performs the offset calibration, the shaft must rotate continuously. 2. - Page 25 / coarse channels, should be a clear "thin" circle which appears in the center of the plots (d) (e) with a possible slight offset. ● When offset calibration is completed, click on <Continue to CAA/MAA Calibration> button (f ). Netzer Precision Position Sensors VLX-170-PG-V02...
- Page 26 13.3.2 Calibration of Coarse Amplitude Alignment (CAA) & Medium Amplitude Alignment (MAA) The following calibration aligns the coarse channel, and medium channel in certain encoders, with the fine channel by collecting data from each point in both channels. This is performed to make sure that every time the encoder is turned on, it would provide an accurate absolute position.
- Page 27 Complete the sampling process using the following routine: positioning the shaft --> stand still --> clicking <Continue> (d) to sample the position. ● When the process is completed click the <Apply and Continue to UZP> button (f ). Netzer Precision Position Sensors VLX-170-PG-V02...
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Page 28: Setting The Encoder Zero-Position
13.4 Setting the zero-position of the encoder ● Select one of the options for setting the zero point and click <Apply and close>. It is possible to set either current position or rotate the shaft to any other position to be set as the zero point. It is also possible to set the Zero Point through the top menu bar, by selecting “Calibration”... -
Page 29: Jitter Test
Select “Calibration” tab, and click “Jitter Test” ● Select the Jitter test mode (a). ● Set the Timing and Sampling parameters (b). ● Click <Start> button (c) and check if the results (d) are within acceptable tolerances for the intended application. Netzer Precision Position Sensors VLX-170-PG-V02... -
Page 30: Operational Mode
Operational Mode indication of the SSi / BiSS encoder interface is available by using the NanoMIC to connect with the encoder. When in Operational Mode the color of the position dial is orange. For more information read about NanoMIC on Netzer website The operational mode is using SSi / BiSS interface with 1MHz clock rate. - Page 31 Absolute Hollow Shaft VLX-170 PRODUCT GUIDE Rotary Encoder Kit Encoder Netzer Precision Position Sensors VLX-170-PG-V02...
- Page 32 Misgav Industrial Park, P.O. Box 1359 D.N. Misgav, 2017400 Tel: +972 4 999 0420 Netzer Precision Position Sensors Inc. 200 Main Street, Salem NH 03079 Tel: +1 617 901 0820 www.netzerprecision.com Copyright © 2023 Netzer Precision Position Sensors A.C.S. Ltd. All rights reserved.
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