Netzer VLX-60 Manual de usuario

VLX-60USER MANUAL

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

VLX-60-UM-V02

Table of Contents

1. Preface......................................................................................................................... 2

1.1 Version: 2.0 Mar. 2020.................................................................................... 2

1.2 Applicable documents.................................................................................... 2

2. ESD protection...................................................................................................... 2

3. Product overview ............................................................................................2-3

3.1 Overview.............................................................................................................. 2

3.2 Installation flow chart ................................................................................... 2

3.3 Encoder mounting............................................................................................ 3

4. Unpacking............................................................................................................... 3

4.1 Standard order .................................................................................................. 3

5. Electrical interconnection.................................................................................... 4

5.1 Absolute position over SSi or BiSS-C ........................................................4

5.2 Setup mode over NCP..................................................................................... 4

5.3 Electrical connection and grounding ........................................................4

6. Software installation..........................................................................................4

6.1 Minimum requirements .................................................................................4

6.2 Installing the software...................................................................................4

7. Mounting verification......................................................................................... 5

7.1 Starting the Encoder Explorer..................................................................... 5

7.2 Mechanical installation verification.......................................................... 5

8. Calibration.......................................................................................................... 5-7

8.1 Offset calibration ............................................................................................. 5

8.2 CAA calibration.................................................................................................. 6

8.3 Setting the encoder zero point.....................................................................7

8.4 Jitter test...............................................................................................................7

9. Operational mode................................................................................................ 7

9.1 SSi / BiSS ..............................................................................................................7

10. Mechanical drawings .........................................................................................8

USER MANUAL

VLX-60

INDUSTRIAL

AUTOMATION

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

VLX-60-UM-V02

Contents Preface |ESD Protection |Product Overview |Unpacking |Electrical interconnection

Software Installation |Mounting Verification |Calibration |Operational Mode |Mechanical Drawings

VLX-60-UM-V02

USER MANUAL

VLX-60

INDUSTRIAL

AUTOMATION

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

1. Preface

1.1 Version: 2.0 Mar. 2020

1.2 Applicable documents

•VLX-60 Electric Encoder data sheet

3. Product overview

3.1 Overview

The VLX-60 absolute position Electric

Encoder™ is a revolutionary position sensor

originallydevelopedforindustrial environment

applications. Currently it performs in a

broad range of applications, including high-

end robotics, survey & mapping systems

medical machines other industrial automation

applications.

The Electric Encoder™ non-contact technology

relies on an interaction between the measured

displacement and a space/time modulated

electric field.

The VLX-60 Electric Encoder™ is semi-

modular, i.e., its rotor and stator are separate.

(1) Encoder stator

(2) Encoder rotor

3.2 Installation flow chart

Electric

installation

Mechanical

mounting

Mounting

verification

Calibration

Mechanical

compensation

Electric / SW

compensation

2. ESD protection

As usual for electronic circuits, during product

handling do not touch electronic circuits, wires,

connecters or sensors without suitable ESD

protection. The integrator / operator shall

use ESD equipment to avoid the risk of circuit

damage.

ATTENTION

OBSERVE PRECAUTIONS FOR HANDLING

ELECTROSTATIC SENSITIVE DEVICES

Contents Preface |ESD Protection |Product Overview |Unpacking |Electrical interconnection

Software Installation |Mounting Verification |Calibration |Operational Mode |Mechanical Drawings

VLX-60-UM-V02

USER MANUAL

VLX-60

INDUSTRIAL

AUTOMATION

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

Typical encoder installation includes:

•Encoder Stator & Rotor mounting screws (3)

Socket Head Cup Screw 8 x M2

•Encoder Stator & Rotor mounting dowel

pins (4), 4 x M2

Encoder stator / Rotor relative position

For proper performance the air gap should

be 0.6 mm +/- 0.1mm

The optimal recommended amplitude values

are middle of the range according to those

shown in the Encoder Explorer software and

vary according to the encoder type.

Verify proper rotor mounting with the Encoder

Explorer tools “Signal analyzer” or “Mechanical

installation verification.”

3.3 Encoder mounting 4. Unpacking

4.1 Standard order

The package of the standard VLX-60 contains

the encoder Stator & Rotor

Optional accessories:

(1)

CB-00082-250, 250mm connection harness

(2)

CB-00082-500, 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.

Setup & Operational modes via SSi /BiSS

interface.

0.6 mm

Interconection - connector HRS DF13-10S-1.25

SSi / BiSS Remarks

CB-00082-250 AWG30, 250 mm

CB-00082-500 AWG30, 500 mm

Accessories - cables, optional

Note: for more information please read

paragraph 6

Contents Preface |ESD Protection |Product Overview |Unpacking |Electrical interconnection

Software Installation |Mounting Verification |Calibration |Operational Mode |Mechanical Drawings

VLX-60-UM-V02

USER MANUAL

VLX-60

INDUSTRIAL

AUTOMATION

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

5. Electrical interconnection

This chapter reviews the steps required to

electrically connect the encoder with digital

interface (SSi or BiSS-C).

Connecting the encoder

The encoder has two operational modes:

5.1 Absolute position over SSi or BiSS-C:

This is the power-up default mode

SSi / BiSS interface wires color code

Clock + Grey Clock

Clock - Blue

Data - Yellow Data

Data + Green

GND Black Ground

+5V Red Power supply

HostSystem

CLK/NCPRX[+]

CLK/NCPRX[‐]

120Ω

(red)

(yellow)

(green)

(blue)

(gray)

(black)

ElectricEncoder™

Gnd

DATA/NCPTX[‐]

DATA/NCPTX[+]

5.2 Setup mode over NCP (Netzer

Communication Protocol)

This service mode provides access via USB to a

PC running Netzer Encoder Explorer application

(on MS Windows 7/10). Communication is via

Netzer Communication Protocol (NCP) over

RS-422 using the same set of wires.

Use the following pin assignment to connect

the encoder to a 9-pin D-type connector to

the RS-422/USB converter CNV-0003 or the

NanoMIC.

Electric encoder interface,

D Type 9 pin Female

Description Color Function

Pin No

SSi Clock / NCP RX

Gray Clock / RX + 2

Blue Clock / RX - 1

SSi Data / NCP TX

Yellow Data / TX - 4

Green Data / TX + 3

Ground

Black GND 5

Power supply

Red +5V 8

5.3 Electrical connection and grounding

The encoder does NOT come with specified

cable and connector, however, do observe

grounding consideration:

[1] The cable shield does not connect to the

power supply return line.

[2] Ground the host shaft to avoid interference

from the host system, which could result in

encoder internal noise.

Note: 4.75 to 5.25 VDC power supply required

6. Software installation

The Electric Encoder Explorer

(EEE) software:

• Verifies Mechanical Mounting

Correctness

• Offsets Calibration

• Sets up general and signal analysis

This chapter reviews the steps associated with

installing the EEE software application.

6.1 Minimum requirements

• Operating system: MS windows 7/ 10,

(32 / 64 bit)

• Memory: 4MB minimum

• Communication ports: USB 2

• Windows .NET Framework, V4 minimum

6.2 Installing the software

• Run the Electric Encoder™ Explorer file

found on Netzer website: Encoder Explorer

Software Tools

• After the installation you will see Electric

Encoder Explorer software icon on the

computer desktop.

• Click on the Electric Encoder Explorer

software icon to start.

Setup

USB

Setup

USB

SSI / BiSS

Electric

Encoder

NanoMIC

Blue Box Electric

Encoder

Connect Netzer encoder to the converter, connect the converter to the computer and run the

Electric Encoder Explorer Software Tool

Contents Preface |ESD Protection |Product Overview |Unpacking |Electrical interconnection

Software Installation |Mounting Verification |Calibration |Operational Mode |Mechanical Drawings

VLX-60-UM-V02

USER MANUAL

VLX-60

INDUSTRIAL

AUTOMATION

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

7. Mounting verification

7.1 Starting the Encoder Explorer

Make sure to complete the following tasks

successfully:

• Mechanical Mounting

• Electrical Connection

• Connecting Encoder for Calibration

• Encoder Explore Software Installation

Run the Electric Encoder Explorer tool (EEE)

Ensure proper communication with the

encoder: (Setup mode by defoult).

(a) The status bar indicates successful

communication.

(b) Encoder data displays in the encoder data

area. (CAT No., Serial No.)

rotation.

7.2 Mechanical installation verification

The Mechanical Installation Verification

provides a procedure that will ensure proper

mechanical mounting by collecting raw data of

the fine and coarse channels during rotation.

(d) Select [Mechanical Mounting Verification]

on the main screen.

(e) Select [Start] to initiate the data collection.

(f) Rotate the shaft in order to collect the fine

and coarse channels data.

(h) If the SW indicates “Incorrect Mechanical

Installation,” correct the mechanical

position of the rotor, as presented in

paragraph 3.3 - “Rotor Relative Position.”

8. Calibration

8.1 Offset calibration

For optimal performance of the Electric

Encoders, the inevitable DC offset of the sine

and cosine signals must be compensated over

the operational sector.

After successfully completing the Mounting

Verification procedure:

(a) Select [Calibration] on the main screen.

(g) At the end of a successful verification,

the SW will show “Correct Mechanical

Installation.”

Perform mounting verification & rotation

direction selection before calibration to ensure

optimal performance.

It is also reccomended to observe the

instaletion at the [Tools - Signal Analizer]

window.

Contents Preface |ESD Protection |Product Overview |Unpacking |Electrical interconnection

Software Installation |Mounting Verification |Calibration |Operational Mode |Mechanical Drawings

VLX-60-UM-V02

USER MANUAL

VLX-60

INDUSTRIAL

AUTOMATION

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

(b) Start the data acquisition while rotating the

shaft.

The progress bar (c) indicates the collection

progress.

Rotate the axis consistently during data

collection-covering the working sector of

the application end to end-by default the

procedure collects 500 points over 75 seconds.

Rotation speed is not a parameter during data

collection. Data collection indication shows for

the fine/coarse channels, a clear “thin” circle

appears in the center (d) (e) with some offset.

Offset compensated fine / Corse channel 8.2 CAA calibration

The following calibration aligns the coarse/

fine channel by collecting data from each point

of both channels.

Select [Continue to CAA Calibration]

In the CAA angle calibration window, select the

relevant option button from the measurement

range options (a):

• Full mechanical rotation – shaft movement

is over 10deg - recommended.

• Limited section – define operation of the

shaft in a limited angle defined by degrees

in case of <10deg

• Free sampling modes - define the number

of calibration points in the total number of

points in the text box. The system displays

the recommended number of points by

default. Collect a minimum of nine points

over the working sector.

• Click the [Start Calibration] button (b)

• The status (c) indicates the next required

operation; the shaft movement status;

the current position, and the next target

position to which the encoder should be

rotated.

• Rotate the shaft/encoder to the next

position and click the [Continue] button (c)

- the shaft should be in STAND STILL during

the data collection. Follow the indication/

interactions during the cyclic process for

positioning the shaft --> stand still -->

reading calculation.

• Repeat the above step for all defined

points. Finish (d).

• Click the [Save and Continue] button (e).

The last step saves the offsets CAA

parameters, completing the calibration

process.

Contents Preface |ESD Protection |Product Overview |Unpacking |Electrical interconnection

Software Installation |Mounting Verification |Calibration |Operational Mode |Mechanical Drawings

VLX-60-UM-V02

USER MANUAL

VLX-60

INDUSTRIAL

AUTOMATION

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

8.4 Jitter test

erform a jitter test to evaluate the quality

of the installation; the jitter test presents

the reading statistics of absolute position

readings (counts) over time. Common jitter

should be up +/- 3 counts; higher jitter may

indicate system noise.

In case the reading data (blue dots) are not

evenly distributed on a thin circle, you may

experience “noise” in your installation (check

shaft/stator grounding).

9. Operational Mode

9.1 SSi / BiSS

Operational mode indication of the SSi / BiSS

Encoder interface available by using the

NanoMIC.

For more information read about NanoMIC on

Netzer website

The operational mode presents the “real” SSi /

BiSS interface with 1MHz clock rate.

Protocol SSi

Protocol BiSS

8.3 Setting the encoder zero point

The zero position can be defined anywhere

in the working sector. Rotate the shaft to the

desired zero mechanical position.

Go into “Calibration” button at the top menu

bar, press “Set UZP”.

Select “Set Current Position” as zero by using

the relevant option, and click [Finish].

Contents Preface |ESD Protection |Product Overview |Unpacking |Electrical interconnection

Software Installation |Mounting Verification |Calibration |Operational Mode |Mechanical Drawings

VLX-60-UM-V02

USER MANUAL

VLX-60

INDUSTRIAL

AUTOMATION

ABSOLUTE POSITION

ROTARY ELECTRIC ENCODERTM

10. Mechanical drawings

56.50

0.1

0.05

1.60

0.05

0.1

0.05 0.05

0.05

Do not use Loctite or other glues containing Cyanoacrylate.

We recommend to use 3M glue - Scotch-WeldTM Epoxy

Adhesive EC-2216 B/A.

WARNING

Unless otherwise specified

Dimensions are in: mm

Surface finish: N6

Linear tolerances: ±0.1 deg

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