Outline of the Netzer Electric Encoder™ User Manual
Contents
1. You can store a fixed position as the new default zero position 1 Click the Initialize reading button Initialize reading 2 Enter a figure into the Counts field OG counts Tf the figure is out of the allowed range nonsense may be displayed in the fields with blue backgrounds 3 Click the Set position button Set position 4 To store in memory click the Write Set position to EPROM button Write set position to EPROM When you next initialize the encoder the default will be the new position To return to the factory default see below 5 4 Restoring Factory Default You can reset the position in memory back to the factory default by clicking the Restore factory default button Restore factory default When you next initialize the encoder the default will be the factory settings 5 5 Switching from One Encoder to Another To switch from one encoder to another 1 Disconnect the first encoder from the AqBiSS converter 2 Connect the new one and tighten the screws UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 14 of 19 SYSTEM OPERATION 3 Click Restart in the dialog that appears i Check Encoder cofmection a olx Mo Response from Encoder WRES to RS232 converter bow Check power supply connection to tine AQHSS to RS232 converter Dor Restart abert Figure 13 Encoder not responding The software then begins the initializatio2. Converter Wot Responding CRS Ihe saia connection fo Me AGESS to AS2J2 converter Check power connection LED Select an tarabe communicabon pork IF he message reappears deconnect and reconnect the power supply to ire AGBGS To RS292 comerte abo Figure 6 Port not found UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 9 of 19 SYSTEM ACTIVATION If the software does not receive a response from the encoder follow these suggestions and click Restart i Check Encoder connection zio x Mo Response from Encoder APES ta RS232 converter fen Check power supply connection to tine AQHSS to RS232 converter Dor Restart Abort Figure 7 Encoder not responding If the port you selected is currently in use by another application follow these suggestions and click Restart I Port in usei aj x Port Currently in Use Ohocee another communication part B accessing the port Restart Abort Figure 8 Port unavailable 3 3 Initializing Once the software has communicated with the port and encoder the software begins the initialization process and prompts you to hold the hardware steady It automatically checks for communication using the default port settings The following dialog appears NOTE Do not move the encoder Click OK Hold the Encoder steady while measuring absolute position Ok Figure 9 Encoder initialization Once commu
3. Error If the Encoder status field in the center of the dialog displays Encoder error 1 Screw the encoder tightly into the converter 2 Press the Initialize reading button Initialize reading If the following dialog appears you may need to adjust the mounting as described in the Mounting Instructions nos Encoder reading is not ok E ACSC mounting 2nd press ok press nitlaire reading again Fyou want bo recheck the corectness of the nour Figure 12 Encoder reading error UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 13 of 19 SYSTEM OPERATION 5 System Operation Now that the system is up and running you can perform the following tasks 5 1 Defining Encoder Position You can set the encoder position by sliding the linear encoder or rotating the rotary encoder dial Watch the changes reflected in the dialog 5 2 Initializing the Reading You can initialize the encoder reading at any stage by pressing the Initialize reading button Initialize reading The encoder gives an absolute reading NOTE Do not move the encoder or knock the surrounding area during initialization There is a limitation on the maximum speed of the encoder while it establishes the absolute position For more details see the specific data sheet for your encoder NOTE The evaluation software works much slower than the actual application 5 3 Setting the Position in the EPROM
4. 4 Netzer Precision Motion Sensors Ltd Page 18 of 19 ENCODER READING Initialize reading Initialize reading Resets the absolute position as described button above 0 counts Counts field Allows you to enter a figure representing a new encoder position For an accurate reading first click the Initialize reading button enter a figure and then click the Set Position button Set Position button Establishes the new position after you enter a figure in the Counts field The change is displayed in the graphic showing the encoder position This position will not be stored until you click the Write Set position to EPROM button write Set position to EPROM Write Set position Stores the current encoder position as the to EPROM button default in memory Restore factory Returns the default in memory to the default button original setting UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 19 of 19
5. INTRODUCTION AqBiSS Electric Encoder Evaluation Kits User Guide UG201 Product options e Individual kit for each encoder type in one compact suitcase containing one of these EK 52 RE252 EK 37 RE237 EK LER LE R EK LEC LE2C e A kit with all four encoder types packed in two suitcases EK ALL UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 1 of 19 INTRODUCTION COPYRIGHT Copyright 2004 Netzer Precision Motion Sensors Ltd Changes are periodically made to the information contained in this guide The changes are published in release notes and will be incorporated into future revisions of this guide No part of this guide may be reproduced in any form without permission in writing from Netzer Precision Motion Sensors TRADEMARKS Netzer Precision Motion Sensors Netzer Precision and AqBiSS are trademarks of Netzer Precision Motion Sensors Ltd Windows is a registered trademark of Microsoft Corp The names of actual companies and products mentioned herein may be the trademarks of their respective owners Netzer Precision Motion Sensors Ltd Teradion Industrial Park POB 1359 D N Misgav Israel 20179 Tel 972 4 999 0420 Fax 972 4 999 0432 E Mail info netzerprecision com Web site www netzerprecision com NOTICE Information deemed to be correct at time of publishing Netzer Precision Motion Sensors reserves the right to ch
6. ange specifications without notice Netzer Precision Motion Sensors is not responsible for incidental consequential or special damages of any kind in connection with this document Revision History Revision Details Prepared By Checked By 01 Click Initialize reading before Set position June 2 2004 UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 2 of 19 INTRODUCTION CONTENTS Contents 1 Introduction Tal Kit Components 1 2 Kit Features 1 3 Related Documentation 1 4 System Requirements 1 4 1 PC Hardware Requirements 1 4 2 PC Software Requirements 2 Installation Instructions Zok Hardware Installation 2 1 1 Connecting the Hardware 2 1 2 Power Supply DD Software Installation 2 Software Installation Troubleshooting 2 3 1 No Autolnstall 2 3 2 No Windows Installer 2 3 3 Internal Error 2 4 Software Updates from the Web ZJ Uninstall 3 System Activation 3 1 Starting the Software 00 Oo WAI NNNUNN ADA HD nnana se ff CW 32 Selecting the Communication Port 3 3 Initializing 10 3 4 Exiting the Evaluation Kit 10 33 Determining the Software Version 10 3 6 Error File Not Found 1 4 Screen Layout 12 4 1 GUI Conventions 12 4 2 Screen Sections 12 4 3 Cat Number Error 13 4 4 Encoder Error 13 5 System Operation 14 Dabs Defining Encoder Position 14 a Initializing the Reading 14 5 3 Setting the Position in the EPROM 14 5 4 Restoring Facto
7. be changed by the user 4 2 Screen Sections The fields in the following dialog that are outlined in yellow are common to both linear and rotary dialogs For an explanation of linear specific fields go to Reading the Linear Encoder For an explanation of rotary specific fields go to Reading the Rotary Encoder Ea NEE_Evaluation_kit Software vi Netzer Precision we Motion Sensors Encoder data Encoder reading Cat number LE 5312 04D S Absolute reading Counts mm Index position Counts Imm i S N A 20 15 12345P Encoder OK 500 Counts Set position Resolution 2048 Counts mm_ Initialize reading write Set position to EPROM Central buttons Restore factory default Encoder ij te Counts specifications eN ka e A A a E ttle te Bt ee Ee i atl po tee ei ee he to tt ti ici tb nec Pe ey tS eo ects taht Ea gt 0 By tet hee Sg 0 20000 40000 60000 80000 100000 120000 140000 160000 180000 204800 A Figure 11 Generic dialog UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 12 of 19 SCREEN LAYOUT 4 3 Cat Number Error If the Cat Number field 52t number Reading Encoder in the hard coded definitions displays Netzer Sensor or Unknown Sensor instead of a valid catalog number a text file is missing or incomplete on your computer To update your file copy the most recent file from the web site as described above 4 4 Encoder
8. cision Motion Sensors Ltd Page 7 of 19 INSTALLATION INSTRUCTIONS 2 5 Uninstall To uninstall the software insert the installation CD and follow the automatic Uninstall prompts Alternatively double click Add Remove Programs in the Control Panel and remove these programs 1 Nee evaluation kit software 2 NI LabVIEW Run Time Engine 6 1 3 NI VISA 2 6 0 Runtime UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 8 of 19 SYSTEM ACTIVATION 3 System Activation Before you begin e Check that no other application is using the designated port e Connect the power supply to the power outlet e Check that the LED next to the power port on the AqBiSS converter is green If not see Power Supply above 3 1 Starting the Software Run the application by clicking Start gt Programs gt NEE_Evaluation_Kit_Software gt NEE Evaluation Kit Software Optionally you can create a shortcut to the application on your desktop 3 2 Selecting the Communication Port The software prompts you to select a serial port on your PC as shown in the dialog below Select communication port Tf this message reappears check the encoder connections or choose a different communication port Figure 5 Comm port selection If the software does not receive a response from the selected port follow these suggestions and click Restart fF Check serial connection te the Agea ealed AQBISS to RS232
9. ck Next 4 When the installation is complete a command window with a black background may be visible on the screen Close this window 5 If this is the first time the encoder software has been installed on this computer you will be prompted to reboot Do so before activating the system 2 3 Software Installation Troubleshooting Refer to the solutions in this section if you encounter problems while installing the software 2 3 1 No Autolnstall If the installation software does not start automatically AutoInstall may be disabled on your computer Run setup exe from the CD ROM 2 3 2 No Windows Installer If you get an error message while installing you may require Windows Installer to complete the steps above e For Windows 98 Download InstMsiA exe from www ticrosoft com downloads e For Windows 2000 or NT Download InstMsiW exe from www tnicrosoft com downloads 2 0 3 Internal Error If you see an error message stating that there is an internal error you are probably running Windows NT You need to continue the installation process as follows 1 Click OK 2 Run the file visa260runtime exe from the Drivers folder on the CD ROM 3 Follow the prompts through to the end 4 Reboot the computer 2 4 Software Updates from the Web The latest software is available for download from the web site www netzerprecision com under Technical Support Downloads UG201_EvaluationKits_02 doc Copyright 2004 Netzer Pre
10. curacy and resolution of each encoder type Page 10 e Influence of mechanical misalignments e Reads absolute position Page 14 e User System troubleshooting e Sets and stores user defined zero position Page 14 1 3 Related Documentation For an explanation of the AqBiSS protocol refer to the AqBiSS Universal Interface Application Note AN 101 00 1 4 System Requirements 1 4 1 PC Hardware Requirements e Serial communication port set at a speed of 57600bps either directly or through a USB to RS 232 converter e Pentium SOOMHz or higher e 300MB disk space 1 4 2 PC Software Requirements e Operating systems Windows 98 2000 NT XP e Recommended screen resolution 1024x768 UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 5 of 19 INSTALLATION INSTRUCTIONS 2 Installation Instructions 2 1 Hardware Installation This section describes how to connect the items in the kit and explains the power supply 2 1 1 Connecting the Hardware To connect the evaluation kit to the PC 1 You need a free serial communication port on your PC Ensure that no software is accessing the port 2 Connect the RS 232 cable The RS 232 end RJ11 telephone connects to the AqBiSS to the RS 232 converter port marked RS 232 The D 9 end connects to the PC s serial port 3 Connect the encoder to the AqBiSS converter port marked AqBiSS Figure 4 AqBiSS converter p
11. n as explained above UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 15 of 19 ENCODER SPECIFICATIONS 6 Encoder Specifications This section explains the encoder specification fields on the left of the dialog The fields are hard coded and cannot be changed by the user The data is read directly from the encoder s memory Cat Number The catalog number for this type of encoder If the display says Unknown Sensor update the text file on your computer as described above S N The serial number for this specific encoder Resolution The number of counts per millimeter for the linear encoder or per revolution for the rotary encoder UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 16 of 19 ENCODER READING 7 Encoder Reading This section explains the data fields and buttons that you can manipulate 7 1 Reading the Linear Encoder The linear encoder base includes a fixed PCB scale and a moving head mechanism Move the head manually back and forth along the scale In the dialog the linear encoder position measured in counts is represented e Graphically by an arrow on a straight scale e By viewing the values in the fields with blue backgrounds By moving the encoder head you move the arrow on the scale and the measurements to reflect the new position NOTE This graphical scale position is based on the mechanics and does n
12. nication is established the software reads the encoder data from the embedded memory and displays it in the dialog The display is explained in detail below 3 4 Exiting the Evaluation Kit 1 Click the Exit button EXIT at the bottom right or the at the top right 2 Remove the cable from the power source 3 5 Determining the Software Version To check which version of the software is currently running click About on the top left of the screen A dialog appears with the version information UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 10 of 19 SYSTEM ACTIVATION 3 6 Error File Not Found If you see the following error message you need to download a text file from the Netzer web site C Program Fibes eee n Sieation_kit_ software NEE_order_oodes tst mot Figure 10 Missing file 1 Exit the software 2 In your browser navigate to www netzerprecision com 3 Download the file NEE_order_codes txt from Technical Support Downloads to C Program Files Nee_evaluation_kit_software 4 Run the software again UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 11 of 19 SCREEN LAYOUT 4 Screen Layout 4 1 GUI Conventions The following colors appear in the interface Background Color User ifi er modifiable field Blue The current measured position of the encoder Hard coded field cannot
13. orts 4 Connect the power cable to the AqBiSS converter port marked Pwr 5 Do not plug the power supply into the power outlet at this stage The AqBiSS converter s additional port marked AqB is not in use in this application NOTE For systems without an RS 232 port you will need a USB to RS 232 converter not included in the evaluation kit Install the USB adapter using its software and use it as a serial port 2 1 2 Power Supply The kit works with 100 240V If necessary use a plug converter suitable for the US When you connect to the power outlet check that the LED on the AqBiSS converter is green If not switch to a different power outlet UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 6 of 19 INSTALLATION INSTRUCTIONS 2 2 Software Installation If you encounter problems while installing the software see the troubleshooting section below 1 Exit all software applications and insert the installation CD ROM The installation program should start automatically 2 If the software is already installed on this computer the installation program detects it and suggests you uninstall it You must uninstall to continue with the software upgrade 3 Follow the installation prompts Accept all the defaults with the following exceptions e Inthe License Agreement screen select the complete installation e In the Installation Type screen select I Accept and cli
14. ot change if the user changes the zero position The numbers underneath the scale do change gt NEE_Evaluation_kit_Software vi Netzer Precision Motion Sensors Encoder reading Encoder data Cat number LE 5312 A04D 5 Absolute reading Counts mm PaSa Linear Index position EAERI Counts imm See oe N encoder S N A 20 15 12345P 7 reading Encoder OK 500 Counts Resolution 2048 Counts mm Initialize reading Write Set position to EPROM Restore Factory default Linear Encoder Counts CITERER E fom A SL Eat Pa Vel teal 29 Ge EEEE I ERATE ok nos Pas oy I II eE E EETA A ERATE EE be ld SL bya Dp Poa Pat foes E oe hel Sn Ag n be eat em end Ped nk Ween a 0 20000 40000 60000 80000 100000 000 140000 160000 180000 204800 Linear encoder Figure 14 Linear encoder dialog Absolute reading Indicates the linear reading of the encoder measured in counts and millimeters Index position Displays the position of the most recently encountered index latch measured in counts and millimeters You can change the absolute linear encoder reading as described above UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 17 of 19 ENCODER READING 7 2 Reading the Rotary Encoder The rotary encoder base includes a fixed encoder and a manually rotated shaft Rotate the shaft manually in both directions back and fo
15. rth In the dialog the rotary encoder position measured in degrees is represented e Graphically by a dial e By viewing the values in the fields with blue backgrounds By moving the encoder head you move the arrow on the scale and the measurements to reflect the new position NOTE This position is based on the mechanics and does not change if the user changes the zero position if NEE_Evaluation_kit_Software vi Oj x Netzer Precision Motion Sensors Encoder reading Absolute reading PEELS Counts PAIRSELE Degree Index position ESUEEY Counts 236 5082 Degree Encoder data Cat number RE 5312 A16D 5 S N A 20 15 12345P Encoder OK 500 Counts Set position Resolution 65536 Counts Rev Initialize reading Write Set position to EPROM Restore Factory default Figure 15 Rotary encoder dialog Absolute reading Indicates the rotational reading of the encoder represented in counts and degrees Index position Displays the position of the most recently encountered index latch represented in counts and degrees You can change the absolute rotary encoder reading as described above 7 3 Central Buttons These buttons are common to both rotary and linear encoder dialogs Encoder OK Encoder status field Should say Encoder OK If it says Encoder error press the Initialize reading button UG201_EvaluationKits_02 doc Copyright 200
16. ry Default 14 5 5 Switching from One Encoder to Another 14 6 Encoder Specifications 16 7 Encoder Reading 17 Pel Reading the Linear Encoder 17 T2 Reading the Rotary Encoder 18 T Central Buttons 18 UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 3 of 19 INTRODUCTION 1 Introduction The Netzer AqBiSS Electric Encoder NE accurately measures absolute and incremental positions NE has two product lines LE linear encoders and RE rotary encoders shown in the following pictures Figure 2 Rotary encoders RE 52 52mm and RE 37 37mm 1 1 Kit Components The evaluation kit includes these items e 1or4 linear rotary encoder s LE C LE R RE 37 RE 52 mounted in the jig with an interconnecting cable e AqBiSS converter which is Netzer Precision s AqBiss to RS 232 interface e AqBiSS to RS 232 cable e Power supply and cable e CD ROM for software installation A sample kit is shown in Figure 3 NOTE The kit might include only some of the mechanical jigs UG201_EvaluationKits_02 doc Copyright 2004 Netzer Precision Motion Sensors Ltd Page 4 of 19 INTRODUCTION 3 r eTe as cA Hetzer Precicn Motion Seaga i Agte to RS 22 Converter HE COR BN eH ao Pia nad mabon acd agecugen imeinuction on the CO AST por uotwareupdaie PE van mara peimeha OE Figure 3 Sample kit contents with rotary encoder 1 2 Kit Features e Evaluates the ac
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