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EM58 PA Analogue User's guide in English

1. EM58 PA The program is designed to be installed simply by copying the executable file to the desired location and there is no installation process To launch it just double click the file icon To close the program press the EXIT button in the File menu of the CONFIGURATION page WARNING Please be aware that the following compatibilities between the hardware software version of the device and the software version of the executable file have to be respected compulsorily Compatibility HW SW EXE FILE 1 1 Up to NOTE Before starting the program connect the device to the personal computer through a serial port The serial interface of the analogue programmable encoder is a RS 232 type connector Should the personal computer not be equipped with a serial port you must install a USB RS 232 converter easily available in the market The serial cable must be connected as shown in the section 4 7 RS 232 serial connection on page 19 MAN EM58 PA E 1 0 Software and configuration parameters 28 of 60 lika EM58 PA 5 1 1 Available pages and commands In each page of the Lika Electronic configuration tool software there are the left navigation bar and the usual menu bar on the top In the left navigation bar the following buttons are available e Identification button it allows to enter the IDENTIFICATION page in order to search and activate the communication with the device connected through the serial port see
2. resolution So you are allowed to arrange the number of counts per turn and the number of revolutions as you prefer yet the overall analogue resolution will be limited to 16 bits Encoder HW counts This parameter is available only when the Programming mode Prog single ramp is enabled It sets the length of the displacement you need to measure and control expressed in encoder information counts When needed calculate the portions of a turn by considering the physical Counts per revolution For instance if the axis travel is 1 5 turn long enter 4096 1 5 6144 counts Default 67108864 min 1 max 67108864 NOTE Please note that in this encoder the maximum number of physical counts per turn is 4096 2 while the maximum number of physical revolutions is 16384 2 thus the overall number of information is 67108864 27 However the DAC has a 16 bit 65536 information resolution so the overall analogue resolution will be limited to 16 bits MAN EM58 PA E 1 0 Software and configuration parameters 51 of 60 lika EM58 PA Programming mode Prog cyclic ramp Press this button to enter the PROG programming mode and activate the relevant functions In this mode the travel will be defined in cyclic ramps The PROG cyclic ramp programming mode allows to programme the encoder provided that you know exactly the number of encoder information counts for the physical travel of the application you need to measure and control
3. 0 pen 2 30 mA current needed to energize a small relay coil R227500 MAN EM58 PA E 1 0 Electrical connection 22 of 60 lika EM58 PA 4 10 Current analogue output lout delivers the current analogue signal After having enabled the analogue output by setting the parameter Enable analog output in the ENCODER CONFIGURATION box of the CONFIGURATION page the user is allowed to choose the type of output either current or voltage by setting the desired value CURRENT or VOLTAGE next to the parameter Output type in the same box then he has to set the output range by means of the drop down list in the following parameter Output range This encoder allows to choose between the following current output range options Output type CURRENT Application range Output range minimum position maximum position 4 mA 20 mA 4 mA 20 mA 0 mA 20 mA 0 mA 20 mA 0 mA 24 mA 0 mA 24 mA When the default parameters are set EM58 PA 12 16384 increments per each step are as follows 0 244 uA if Output range 4 mA 20 mA 0 305 uA if Output range 0 mA 20 mA 0 366 uA if Output range 0 mA 24 mA MAN EM58 PA E 1 0 Electrical connection 23 of 60 lika EM58 PA 4 11 Voltage analogue output Vout delivers the voltage analogue signal After having enabled the analogue output by setting the parameter Enable analog output in the ENCODER CONFIGURATION box of the CONFIGURATION page the user is
4. 5m6 gt 32 4 2 1596 ma NOTE You are strongly advised not to carry out any mechanical operations drilling milling etc on the encoder shaft This could cause serious damages to the internal parts and an immediate warranty loss Please contact our technical personnel for the complete availability of custom made shafts MAN EM58 PA E 1 0 Mechanical installation 16 of 60 lita EM58 PA 4 Electrical connection WARNING Electrical connection has to be carried out by qualified personnel only with power supply disconnected and mechanical parts compulsorily in stop Never force the rotation of the shaft manually it could cause irreparable damage WARNING If wires of unused signals come in contact irreparable damage could be caused to the device Please insulate them singularly 4 1 Cable and connectors connections Function T12 cable M23H 12 pin M12 12 pin TD RS 232 Red 1 11 RD RS 232 Green 2 9 Fault Yellow 3 4 OVDC RS 232 Brown 4 10 lout Grey 5 5 OVDC analogue Violet 6 3 Vout Pink 7 6 Counting direction Blue 8 8 Preset White 9 7 Not connected Black 10 12 13VDC 30VDC Brown Green 11 2 OVDC Power Supply White Green 12 1 Shield Shield Case Case 4 2 T12 cable specifications Model LIKA T12 cable Cross section 4x0 25 mm 4x2x0 14 mm twisted pairs 24 26 AWG Jacket TPU extra flexible Shield tinned copper braid covera
5. Output range is defined over the travel of the application and is comprised between the ends of the axis For the positions beyond the travel limits the current voltage signal level will be kept at the minimum maximum value of the selected range Before the initial position of the travel the encoder will provide the minimum current voltage signal level of the output range selected in the parameter Output range after the last position of the travel the encoder will provide the maximum current voltage signal level of the output range selected in the parameter Output range Analogue output value Max value Min value Encoder HW counts Axis travel For instance if Output type VOLTAGE Output range 0 5V Encoder HW counts 4096 then the encoder will provide a fixed voltage level of O V for the 33552384 positions before the origin of the travel a voltage level between 0 V origin of the travel position 0 and 5 V end of the travel position 4095 for the MAN EM58 PA E 1 0 Software and configuration parameters 50 of 60 lika EM58 PA positions of the axis a fixed voltage level of 5 V for the 33552384 positions after the last point of the travel NOTE Please note that in this encoder the maximum number of physical counts per turn is 4096 2 while the maximum number of physical revolutions is 16384 2 thus the overall number of information is 67108864 27 However the DAC has a 16 bit 65536 information
6. care do not subject the device and the shaft to knocks or shocks respect the environmental characteristics of the product unit with solid shaft in order to guarantee the maximum reliability over time of the mechanical parts we recommend a flexible coupling to be installed to connect the encoder and the installation shaft make sure the misalignment tolerances of the flexible coupling are respected unit with hollow shaft the encoder can be mounted directly on a shaft whose diameter has to respect the technical characteristics specified in the purchase order and clamped by means of the collar and the fixing plate into which an anti rotation pin has to be inserted MAN EM58 PA E 1 0 Safety summary 10 of 60 liga EM58 PA 2 Identification Device can be identified through the ordering code and the serial number printed on the label applied to its body Information is listed in the delivery document too Please always quote the ordering code and the serial number when reaching Lika Electronic s r l for purchasing spare parts or needing assistance For any information on the technical characteristics of the product refer to the technical catalogue Warning encoders having ordering code ending with Sxxx may have mechanical and electrical characteristics different from standard and be supplied with additional documentation for special connections Technical Info MAN EM58 PA E 1 0 Identification 11 of 60 lika EM58 P
7. on page 32 e Configuration button it allows to enter the page where the configuration parameters are available see on page 37 e Load save configuration button it enters the page where the current configuration of the encoder can be saved or a previously saved configuration can be loaded see on page 55 In the menu bar the File Edit and About menus are available they contain the following commands File menu The commands in the File menu are exactly the same as the ones located in the left navigation bar that is e Identification command e Configuration command e Load save configuration e the Exit command causes the program to terminate ical LIKA programmable encoder AG Edit About Identification Configuration Load save configuration port cows Exit Encoder Configuration Device type EM 12 16384 PA Serial number Output type Load save Version configuration load default parameters lika Tel 39 0445 806600 eMail info lika it vww lika biz MAN EM58 PA E 1 0 Software and configuration parameters 29 of 60 lika EM58 PA Edit menu e Language command the same as the English Italian flags below in the page It allows the operator to choose the language used to display the menu bar the buttons and the diagnostic messages e View RS 232 messages command it allows to enter the page where the transmission reception messages exchanged between the program and the encoder are sho
8. preset value 0 number of revolutions 16384 Load save delta user 134217728 configuration Starting process Starting process file created successfully opening the configuration file file written correctly file read successfully process carried out parameters written correctly process carried out lia Tel 39 0445 806600 eMail info lika it www lika biz i Nm This page allows the operator to save the current encoder configuration to a dat file or to load a previously saved configuration The current encoder configuration is listed in the box on the right 5 4 1 Saving the encoder configuration to a file To save the current encoder configuration just press the SAVE NEW CONFIGURATION TO FILE button As soon as you press the button the Save as dialogue box appears on the screen and the Starting process message appears on the display box below in the page The operator must type the dat file name and specify the path where the file has to be located When you press the SAVE button to confirm the dialogue box closes If the process is carried out properly then the file created successfully file written correctly process carried out message appears on the display box Otherwise the Error creating the file warning message appears on the display box MAN EM58 PA E 1 0 Software and configuration parameters 55 of 60 lika EM58 PA 5 4 2 Loading the encoder configuration fr
9. shaft 3 2 1 EMC58 PA installation using the antirotation pin Fasten the anti rotation pin 1 to the rear of the motor secure it using a locknut mount the encoder on the motor shaft using the reducing sleeve 8 if supplied Avoid forcing the encoder shaft insert the anti rotation pin 1 into the slot on the flange of the encoder this secures it in place by grub screw 2 preset at Lika fixthe collar 3 to the encoder shaft MAN EM58 PA E 1 0 Mechanical installation 14 of 60 lika EM58 PA 3 2 2 EMC59 PA installation using the fixing plate Remove the antirotation pin 1 see the Figure in the previous page mount the encoder on the motor shaft using the reducing sleeve 8 if supplied Avoid forcing the encoder shaft fasten the fixing plate 4 to the rear of the motor using two M3 cylindrical head screws 5 fixthe collar 3 to the encoder shaft M4x8 x2 ES 31 5 0 5 H max2 1596 MAN EM58 PA E 1 0 Mechanical installation 15 of 60 lika EM58 PA 3 2 3 EMC60 PA installation using the antirotation pin and the fixing plate Remove the antirotation pin 1 see Figure on page 14 e fix the tempered pin 6 to the rear of the motor mount the encoder on the motor shaft using the reducing sleeve 8 if supplied Avoid forcing the encoder shaft make sure the anti rotation pin 6 is inserted properly into the fixing plate 7 fixthe collar 3 to the encoder shaft 3
10. the relevant outputs Vout or lout Default enabled Enable preset It enables disables the preset function When this parameter is set to ENABLED the functions available in the PRESET box and the Preset input are active and can be set otherwise they are disabled For any information on the preset function refer to the section 5 3 2 PRESET box on page 38 Default enabled Positive counting direction It allows to set whether the position information output by the encoder increases when the shaft rotates clockwise or counter clockwise Clockwise and counter clockwise rotations are viewed from the shaft It is possible to choose the following options CW STANDARD and CCW INVERTED When the counting direction is set to CW STANDARD Positive counting direction CW STANDARD if the Complementary input see on page 25 has LOW logic level OVDC the encoder will provide the increasing count when the shaft is turning clockwise and the decreasing count when the shaft is turning counter clockwise on the contrary if the Complementary input has HIGH logic level 4 VDC the encoder will provide the increasing count when the shaft is turning counter clockwise and the decreasing count when the shaft is turning clockwise When the option CCW INVERTED is set Positive counting direction CCW INVERTED if the Complementary input has LOW logic level OVDC the encoder will provide the increasing count when the shaft is turning cou
11. the travel is defined in a ramp which is then repeated cyclically as soon as the the final position of the travel is reached then the minimum signal level of the selected range is output to start a new ramp and so on The initial position of the travel is the minimum value of the selected output range Output range the final position is the maximum value of the output range The length of the travel you need to measure and control must be set next to the item Encoder HW counts and is expressed in counts The set output range the overall information to be output which is set next to the item Output range is defined over the travel of the application and is comprised between the ends of the axis Analogue output value Min 7 value Encoder HW counts Axis travel Ramps follow each other i e they are repeated cyclically If you move the axis beyond the limits of the travel you enter either the previous or the following ramp For instance if Output type VOLTAGE Output range 0 5V Encoder HW counts 4096 the encoder will provide a voltage level between 0 V origin of the travel position 0 and 5 V end of the travel position 4095 Then the sequence will be repeated cyclically and a 0 5V ramp will follow a 0 5V ramp and so on NOTE Please note that in this encoder the maximum number of physical counts per turn is 4096 2 while the maximum number of physical revolutions is 16384 21 thus the overall number of
12. travel limits the current voltage signal level is kept at the minimum maximum value of the selected range Output range see on page 44 Programming mode Start Stop cyclic ramp TEACH IN it allows to programme the encoder by considering directly the physical travel of the application you need to measure and control the travel is defined in a ramp which is then repeated cyclically as soon as the the final position of the travel is reached then the minimum signal level of the selected range is output to start a new ramp see on page 47 Programming mode Prog single ramp it allows to programme the encoder provided that you know exactly the number of encoder information counts for the physical travel of the application you need to measure and control the travel is defined in a single ramp the initial position of the travel is the minimum value of the output range the final position is the maximum value of the output range beyond the travel limits the current voltage signal level is kept at the minimum maximum value of the selected range Output range see on page 50 Programming mode Prog cyclic ramp it allows to programme the encoder provided that you know exactly the number of encoder information counts for the physical travel of the application you need to measure and control the travel is defined in a ramp which is then repeated cyclically as soon as the the final position of the travel is rea
13. A 3 Mechanical installation WARNING Installation has to be carried out by qualified personnel only with power supply disconnected and mechanical parts compulsorily in stop Never force the rotation of the shaft manually it could cause irreparable damage 3 1 Encoder with solid shaft Mount the flexible coupling 1 on the encoder shaft fix the encoder to the flange 2 or to the mounting bell by means of screws 3 secure the flange 2 to the support or the mounting bell to the motor mount the flexible coupling 1 on the motor shaft make sure the misalignment tolerances of the flexible coupling 1 are respected 3 1 1 Customary installation a b c d mm mm mm mm EM58 PA 42 50F7 4 EM58S PA 36 H7 48 MAN EM58 PA E 1 0 Mechanical installation 12 of 60 lika EM58 PA 3 1 2 Installation using fixing clamps optional kit code LKM 386 mm mm mm mm EM58 PA 50F7 67 4 EM58S PA 36 H7 67 3 1 3 Installation using a mounting bell optional kit code PF4256 NOTE In order to guarantee reliability over time of the encoder mechanical parts we recommend a flexible coupling to be installed between the encoder and the motor shaft Make sure the misalignment tolerances of the flexible coupling are respected MAN EM58 PA E 1 0 Mechanical installation 13 of 60 lika EM58 PA 3 2 Encoder with hollow
14. FICATION page When you start the program by double clicking the LIKA_PROGRAMMABLE_ENCODER_Vx EXE executable file the IDENTIFICATION page is first displayed ica LIKA programmable encoder File Edit About COM port pe p Identification device search port Encoder Device type Serial number Output type Version read parameters load default parameters lixa Tel 39 0445 806600 te eMail info lika it waw lika biz MN SK First of all this page allows the operator to choose the language used to display texts and items in the user interface Click the Italian flag il icon to choose the Italian language click the UK flag BJ icon to choose the English language If you click the www lika biz link below in the page you enter the Lika Electronic web site page where the technical documentation and information on the device as well as the downloadable files for installing the software tool are available At this stage the buttons in the left navigation bar as well as the commands in the menu bar are not available furthermore the fields in the ENCODER box show a question mark as the connected device has not been identified yet MAN EM58 PA E 1 0 Software and configuration parameters 32 of 60 lixa EM58 PA Before starting the identification process please make sure the unit is connected properly to the personal computer and the power is switched on The software will force the settings of the p
15. PA programmable encoder is equipped with a serial interface for the parametrization and set up of the device A software tool designed to program the encoder via RS 232 interface is available at the address www lika biz gt PRODUCTS gt ROTACOD gt EM58 PA Before starting the program connect the device to the personal computer through a serial port Should the personal computer not be equipped with a serial port you must install a USB RS 232 converter easily available in the market The serial cable must be connected as shown in the table hereafter See also the section Electrical connection on page 17 Function Ela gt Function SIE Sub D 9 pin female ho een 3 o Please always make sure that the RD of the ENCODER is cross wired to the TD of the PC while the TD is cross wired to the RD An optional kit fitted with RS 232 USB adapter for the communication between the encoder and the PC is available for both M23H and M12 outputs The ordering codes are as follows e KITEM58PA M23 M23H USB adapter cable e KITEM58PAM12 M12 USB adapter cable MAN EM58 PA E 1 0 Electrical connection 19 of 60 lita EM58 PA Please note that the configuration parameters of the serial port have fixed values so the user cannot change them They are RS 232 serial port settings Value Baud rate 9600 Byte size 8 Parity None Stop bits 1 Flow control None 4 8 OVDC OVDC RS 232 OVDC
16. User s guide EV 58 P Programmable li a Smart encoders amp actuators This publication was produced by Lika Electronic s r l 2014 All rights reserved Tutti i diritti riservati Alle Rechte vorbehalten Todos los derechos reservados Tous droits r serv s This document and information contained herein are the property of Lika Electronic s r l and shall not be reproduced in whole or in part without prior written approval of Lika Electronic s r l Translation reproduction and total or partial modification photostat copies film and microfilm included and any other means are forbidden without written authorisation of Lika Electronic s r l The information herein is subject to change without notice and should not be construed as a commitment by Lika Electronic s r l Lika Electronic s r l reserves the right to make all modifications at any moments and without forewarning This manual is periodically reviewed and revised As required we suggest checking if a new or updated edition of this document is available at Lika Electronic s r l s website Lika Electronic s r l assumes no responsibility for any errors or omissions in this document Critical evaluation of this manual by the user is welcomed Your comments assist us in preparation of future documentation in order to make it as clear and complete as possible Please send an e mail to the following address info lika it for submitting your comments suggestions and criticisms
17. allowed to choose the type of output either current or voltage by setting the desired value CURRENT or VOLTAGE next to the parameter Output type in the same box then he has to set the output range by means of the drop down list in the following parameter Output range This encoder allows to choose between the following voltage output range options Output type VOLTAGE Application range Output range minimum position maximum position OV 5V ov 5V OV 10 V OV 10 V 5V 5V 5V 5V 10 V 10 V 10 V 10 V When the default parameters are set EM58 PA 12 16384 increments per each step are as follows 0 076 mV if Output range 0V 5 V 0 153 mV if Output range OV 10 V 0 153 mV if Output range 5 V 5 V 0 305 mV if Output range 10 V 10 V MAN EM58 PA E 1 0 Electrical connection 24 of 60 lika EM58 PA 4 12 Counting direction This input is also known as Complementary The counting direction circuit is designed to reverse the counting direction In other words it allows the count up also when the shaft is rotating counterclockwise Connect the Counting direction input to OVDC if not used Connect the counting direction input to OVDC to have an increasing count when the encoder is turning clockwise CW viewed from the shaft side connect the counting direction input to VDC to have an increasing count when the encoder is turning counterclockwise CCW WARNING Th
18. analogue and OVDC Power Supply are internally connected 4 9 Fault output This output is only available if the current output is enabled Output type CURRENT It is intended to signal an error such as a circuit break As soon as the Fault signal is activated a message is also invoked to appear in the DIAGNOSTICS box of the CONFIGURATION page see the error message Disconnected cable To connect the Fault signal please refer to the examples hereafter 4 9 1 Fault output connected to a PLC input and 4 9 2 Fault output connected to a relay Please pay attention to the value of the R2 resistor Figure 2 and Figure 3 Imax 2 50 mA R1 47 0 Con No encoder error transistor ON conducting Encoder error transistor OFF open MAN EM58 PA E 1 0 Electrical connection 20 of 60 lika EM58 PA Current analogue output B lout B Vout gt gt 0 Od A Voltage analogue output HO A GND Figure 1 4 9 1 Fault output connected to a PLC input Vde o ia R1 Fault CI o l gt PLC Ch input No encoder error PLC input Low 0 VDC Encoder error PLC input High VDC Figure 2 EXAMPLE VDC 24 V R1 47 0 en 47 mA R2 5KQ MAN EM58 PA E 1 0 Electrical connection 21 of 60 lika EM58 PA 4 9 2 Fault output connected to a relay Vde o E R2 C3 Fault Ch Figure 3 No encoder error coil energized Encoder error coil de energized EXAMPLE VDC 24 V R1 47
19. ault parameter 36 M Max number of revalutloriscs seo etes 54 Max total OS dd 54 N No rica a 40 0 Output tah eade haod 42 DU 35 42 P A Es 34 FE 37 Positive counting IKE oleae mane 41 Fess 38 Programming mode Prog cyclic ramp 52 Programming mode Prog single ramp 50 Programming mode Start Stop cyclic ramp 47 Programming mode Start Stop single ramp 44 R BESO EE orita 35 S Serta MUDO stan 35 T A a 37 V Va ue not valid presenciado 57 MAN n ulcere PII 35 Typographic and iconographic conventions In this guide to make it easier to understand and read the text the following typographic and iconographic conventions are used parameters and objects both of Lika device and interface are coloured in ORANGE alarms are coloured in RED States are coloured in FUCSIA When scrolling through the text some icons can be found on the side of the page they are expressly designed to highlight the parts of the text which are of great interest and significance for the user Sometimes they are used to warn against dangers or potential sources of danger arising from the use of the device You are advised to follow strictly the instructions given in this guide in order to guarantee the safety of the user and ensure the performance of the device In this guide the following symbols are used This icon followed by the word WARNING is meant to highlight the parts of the text where i
20. been set previously are overwritten thus previously set values are lost The complete list of machine data and relevant default parameters preset by Lika Electronic engineers is available on page 59 WARNING s soon as you press this button all parameters which have been set previously are overwritten thus previously set values are lost MAN EM58 PA E 1 0 Software and configuration parameters 36 of 60 lika EM58 PA 5 3 CONFIGURATION page When you press the CONFIGURATION button in the left navigation bar you enter the CONFIGURATION page This page allows the operator to start programming and monitoring the unit The following window will appear Aka programmable encoder File Edit About Position Diagnostics 2 9 No Error Identification 0 000 V 0 000 turns counts rev i o dec LL 9I sem Configuration Encoder configuration Resolution setting B enable analog output enabled v programming mode Load save AN A AN positive counting direction CW standard Y 1 Lart Sto m no Start Stop Prog Prog enable preset bled v configuration p enable i output type voltage v output range 0 SV v 1 start teaching Encoder specifications counts per revolution 4096 max number of revolutions 16384 I 1 K a max total counts 67108864 Tel 39 0445 806600 eMail info lika it www lika biz i i De 5 3 1 POSITION box In the POSITION box at the top left of the page the foll
21. cal connection as well as tips for setting up and running properly and efficiently the unit are provided In the second section entitled Software and configuration parameters the parameters implemented in the unit are fully described lika EM58 PA 1 Safety summary 1 1 Safety Always adhere to the professional safety and accident prevention regulations applicable to your country during device installation and operation e installation and maintenance operations have to be carried out by qualified personnel only with power supply disconnected and stationary mechanical parts e device must be used only for the purpose appropriate to its design use for purposes other than those for which it has been designed could result in serious personal and or the environment damage high current voltage and moving mechanical parts can cause serious or fatal injury warning Do not use in explosive or flammable areas e failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the equipment e Lika Electronic s r l assumes no liability for the customer s failure to comply with these requirements 1 2 Electrical safety e Turn OFF power supply before connecting the device connect according to explanation in section Electrical connection e the wires of unused output signals must be cut at different lengths and insulated singularl
22. ched then the minimum signal level of the selected range is output to start a new ramp see on page 52 MAN EM58 PA E 1 0 Software and configuration parameters 43 of 60 lika EM58 PA Programming mode Start Stop single ramp Press this button to enter the START STOP single ramp programming mode and activate the relevant functions In this mode the travel will be defined in a single ramp The START STOP single ramp programming mode allows to programme the encoder by considering directly the physical travel of the application you need to measure and control the travel is defined in a single ramp the initial position of the travel is the minimum value of the output range the final position is the maximum value of the output range beyond the travel limits the current voltage signal level is kept at the minimum maximum value of the selected range The set output range the overall information to be output which is set next to the item Output range is defined over the travel of the specific application and is comprised between the ends of the axis the origin of the axis i e the point where you press the 1 Start teaching button and the end of the axis i e the point where you press the 2 Stop teaching button For the positions beyond the travel limits the current voltage signal level will be kept at the minimum maximum value of the selected range Before the initial position of the travel the encoder will provide the
23. converted into the selected output range must be lower than the maximum total counts While programming the encoder using the PROG mode see on pages 50 and 52 the operator has confirmed in the parameter Encoder HW counts in Programming mode Prog single ramp or Programming mode Prog cyclic ramp a number of information for the travel greater than the maximum number of HW information available for the encoder The maximum number of information Max total counts which can be set is 67108864 279 If you confirm a value greater than 2 this alarm is invoked Error creating the file If an error occurs while saving the encoder configuration to file see the section 5 4 1 Saving the encoder configuration to a file on page 55 then this error message is displayed Error reading the file If an error occurs while uploading an encoder configuration file see the section 5 4 2 Loading the encoder configuration from a file on page 56 then this error message is displayed Value not valid preset greater than the maximum position The operator has entered next to the parameter Preset in the PRESET box a value which is beyond the limits of the selected analogue range see the parameter Output range on page 42 MAN EM58 PA E 1 0 Software and configuration parameters 57 of 60 lika EM58 PA The parameter Preset allows to enter decimal numbers with up to three digits thousandths further digits in the fractional part are subject to round o
24. e buttons when the axis is in the same exact position then the error message Encoder travel not valid unable to reach the minimum stroke is displayed e If the travel is over the maximum encoder limits then the error message Encoder travel not valid counts to be displayed greater than physical resolution between start and stop is displayed f you set the start position move the axis in a direction and then reverse the movement of the axis so going back over the start position then the error message is displayed MAN EM58 PA E 1 0 Software and configuration parameters 46 of 60 lika EM58 PA Programming mode Start Stop cyclic ramp Press this button to enter the START STOP cyclic ramp programming mode and activate the relevant functions In this mode the travel will be defined in cyclic ramps The START STOP cyclic ramp programming mode allows to programme the encoder by considering directly the physical travel of the application you need to measure and control the travel is defined in a ramp which is then repeated cyclically as soon as the the final position of the travel is reached then the minimum signal level of the selected range is output to start a new ramp and so on The set output range the overall information to be output which is set next to the item Output range is defined over the travel of the specific application and is comprised between the ends of the axis the origin of the axis i e the point where
25. e counting direction can be set also through the programming tool The parameter Positive counting direction in the CONFIGURATION page allows the operator two choose the options CW STANDARD and CCW INVERTED When the counting direction is set to CW STANDARD Positive counting direction CW STANDARD if the Complementary input has LOW logic level OVDC the encoder will provide the increasing count when the shaft is turning clockwise and the decreasing count when the shaft is turning counter clockwise on the contrary if the Complementary input has HIGH logic level VDC the encoder will provide the increasing count when the shaft is turning counter clockwise and the decreasing count when the shaft is turning clockwise When the option CCW INVERTED is set Positive counting direction CCW INVERTED if the Complementary input has LOW logic level OVDC the encoder will provide the increasing count when the shaft is turning counter clockwise and the decreasing count when the shaft is turning clockwise on the contrary if the Complementary input has HIGH logic level VDC the encoder will provide the increasing count when the shaft is turning clockwise and the decreasing count when the shaft is turning counter clockwise WARNING After having set the new counting direction it is necessary to set also the preset function MAN EM58 PA E 1 0 Electrical connection 25 of 60 lika EM58 PA 4 13 Preset Preset input is active onl
26. e limits of the selected output range WARNING Check the parameter Preset and execute the preset function either by means of the Preset input or by pressing the Activate preset button every time you change the value next to the parameter Encoder HW counts available when the options Programming mode Prog single ramp or Programming mode Prog cyclic ramp are set or after having changed the counting direction through the Counting direction input or by setting the parameter Positive counting direction Activate preset This function is active only if the parameter Enable preset in the ENCODER CONFIGURATION box is set to ENABLED Press this button to activate the preset function The preset value it is set next to the Preset item above will be set for the position of the encoder in the moment when the preset value is activated To activate the preset stop the encoder in the desired position and then press this Activate preset button The MAN EM58 PA E 1 0 Software and configuration parameters 39 of 60 lika EM58 PA chosen physical position will get the value set next to the Preset item and all the previous and following positions will get a value according to it For any further information on the preset function and the meaning of the related parameters and commands Preset and Activate preset refer to page 38 WARNING The Preset hardware input works in parallel with the Activate preset command For any information on using the Pr
27. e travel is over the maximum encoder limits then the error message Encoder travel not valid counts to be displayed greater than physical resolution between start and stop is displayed MAN EM58 PA E 1 0 Software and configuration parameters 48 of 60 lika EM58 PA e f you set the start position move the axis in a direction and then reverse the movement of the axis so going back over the start position then the error message is displayed MAN EM58 PA E 1 0 Software and configuration parameters 49 of 60 lika EM58 PA Programming mode Prog single ramp Press this button to enter the PROG programming mode and activate the relevant functions In this mode the travel will be defined in a single ramp The PROG single ramp programming mode allows to programme the encoder provided that you know exactly the number of encoder information counts for the physical travel of the application you need to measure and control the travel is defined in a single ramp the initial position of the travel is the minimum value of the output range the final position is the maximum value of the output range beyond the travel limits the current voltage signal level is kept at the minimum maximum value of the selected range Output range The length of the travel you need to measure and control must be set next to the item Encoder HW counts and is expressed in counts The set output range the overall information to be output which is set next to the item
28. eck that the serial cable characteristics meet the requirements described in the section 4 7 RS 232 serial connection on page 19 WARNING Make sure one only device is connected to the personal computer and switched on when you start a device searching process Port It shows the list of the serial ports available in the personal computer lt is not necessary either to choose the serial port the unit is connected to or to set the parameters of the pc serial port in the Windows Device Manager menu first as MAN EM58 PA E 1 0 Software and configuration parameters 34 of 60 liga EM58 PA the program automatically scroll through the available ports and search in each one for a device which is connected and on Furthermore it forces the settings of the personal computer serial port to the values required by the serial port of the connected device For any information on the characteristics of the serial connection please refer to the section 4 7 RS 232 serial connection on page 19 5 2 2 ENCODER box In the ENCODER box the following functions are available Device type As soon as the connection is established properly and the device is detected the main characteristics of the unit are shown respecting the structure of the ordering code They are device series HM or EM series singleturn resolution expressed in bits multiturn resolution expressed in number of revolutions for example 18 16384 output type PN programmable encod
29. er with parallel output and NPN driver PY programmable encoder with parallel output and Push Pull driver PS programmable encoder with SSI serial output PA programmable encoder with analogue output Serial number As soon as the connection is established properly and the device is detected the univocal serial number of the device is shown next to this item Output type As soon as the connection is established properly and the device is detected the type of output of the device is shown next to this item PARALLEL SSI or ANALOGUE Version As soon as the connection is established properly and the device is detected the software and hardware versions of the device are shown next to this item Read parameters After the connection has been established properly and the device detected this button allows the operator to force a new read of the device parameters During the connection attempt a blue arrow appears next to the button If the program MAN EM58 PA E 1 0 Software and configuration parameters 35 of 60 lika EM58 PA is not able to establish a connection to the encoder the fields in the ENCODER box and listed above show a question mark 2 Load default parameters Default parameters are set at the factory by Lika Electronic engineers to allow the operator to run the device for standard operation in a safe mode As soon as you press this button the default parameters are uploaded and activated All parameters which have
30. ersonal computer serial port to the values required by the serial port of the connected device thus it is not necessary to previously set the parameters of the pc serial port in the Windows Device Manager menu For any information on the characteristics of the serial connection please refer to the section 4 7 RS 232 serial connection on page 19 WARNING Make sure one only device is connected to the personal computer and switched on when you start a device searching process Now you are ready to establish the connection to the encoder press the DEVICE SEARCH button in the COM PORT box During the connection attempt a blue arrow appears next to the DEVICE SEARCH button ica LIKA programmable encoder File Edit About COM port jr ke ce port COMS O Identification HR Encoder Configuration Device type EM 12 16384 PA Serial number D Output type Analog Load save version 11 configuration read parameters load default parameters lia Tel 39 0445 806600 eMail info lika it www lika biz As soon as the connection is established properly a green tick V appears next to the DEVICE SEARCH button and the fields in the ENCODER box are filled with information relating to the connected device Furthermore the buttons in the left navigation bar and the commands in the menu bar become active MAN EM58 PA E 1 0 Software and configuration parameters 33 of 60 lika EM58 PA On the contrary if the p
31. eset input refer to the section 4 13 Preset on page 26 5 3 3 DIAGNOSTICS box This box is designed to show the error messages which could be triggered while programming the encoder Hereafter are the available error messages Encoder travel not valid counts to be displayed greater than physical resolution between start and stop When programming the encoder using the START STOP mode see Programming mode Start Stop single ramp on page 44 or Programming mode Start Stop cyclic ramp on page 47 if the travel exceeds the maximum encoder resolution as set by the operator then this error message is displayed Encoder travel not valid unable to reach the minimum stroke When programming the encoder using the START STOP mode see Programming mode Start Stop single ramp on page 44 or Programming mode Start Stop cyclic ramp on page 47 if the start position 1 Start teaching and final position 2 Stop teaching match i e you do not change the axis position during programming process and press the buttons when the axis is in the same exact position then this error message is displayed No error There are not active errors MAN EM58 PA E 1 0 Software and configuration parameters 40 of 60 lika EM58 PA 5 3 4 ENCODER CONFIGURATION box Enable analog output It enables disables the analogue output If Enable analog output disabled then the voltage signal or the current signal are not provided through
32. ff Separate the integer part from the fractional part using the decimal point decimal comma is converted into decimal point MAN EM58 PA E 1 0 Software and configuration parameters 58 of 60 lika EM58 PA 6 Default parameters list Parameters list Default value Preset 0 Enable analog output enabled Enable preset enabled Positive counting direction CW standard Output type voltage Output range 0 5V Programming mode uk Stop single ramp Encoder HW counts in Programming mode Prog 67108864 single ramp Encoder HW counts in Programming mode Prog 67108864 cyclic ramp MAN EM58 PA E 1 0 Default parameters list 59 of 60 HW SW version This device is to be supplied by a Class 2 Circuit or Low Voltage Limited Energy or Energy Source not exceeding 30 VDC Refer to the ordering C US code for supply voltage rate Please check the supply voltage specification in the product datasheet o LIKA Electronic Via S Lorenzo 25 36010 Carr VI e Italy Tel 39 0445 806600 Fax 39 0445 806699 1 ka Italy eMail info lika it www lika it z World eMail info lika biz www lika biz
33. ge gt 85 Outer diameter 6 1 mm 0 1 mm 0 24 0 004 Min bending radius fix min 25 mm 0 98 dynamic min 45 mm 1 77 Work temperature fix 40 90 C 40 194 F dyn 50 90 C 58 194 F Conductor resistance lt 148 Q km lt 90 Q km MAN EM58 PA E 1 0 Electrical connection 17 of 60 lita EM58 PA 4 3 M23H 12 pin counter clockwise connector specifications M23H 12 pin connector Male Counter clockwise Male Frontal side A coding 4 5 Connection of the shield For signals transmission always use shielded cables The cable shielding must be connected properly to the metal ring nut 3 of the connector in order to ensure a good earthing through the frame of the device To do this disentangle and shorten the shielding 1 and then bend it over the part 2 finally place the ring nut 3 of the connector Be sure that the shielding 1 is in tight contact with the ring nut 3 MAN EM58 PA E 1 0 Electrical connection 18 of 60 lita EM58 PA 4 6 Ground connection Minimize noise by connecting the shield and or the connector housing and or the frame to ground Make sure that ground is not affected by noise The connection point to ground can be situated both on the device side and on user s side The best solution to minimize the interference must be carried out by the user You are advised to provide the ground connection as close as possible to the encoder 4 7 RS 232 serial connection This EM58
34. ge signal level available in the output range selected in the parameter Output range e now move the axis to the end of the physical travel of the application you want to measure and control in other words move it to the point where the travel stops e press the 2 Stop teaching button in this point the encoder will provide the maximum current voltage signal level available in the output range selected in the parameter Output range 1 Start teaching This button is available only when the Programming mode Start Stop single ramp is enabled After having moved the axis to the start position 0 position i e the point where the travel we need to measure starts press this button in order to bind the first value of the selected output range to the physical position you have moved the axis to axis origin 2 Stop teaching This button is available only when the Programming mode Start Stop single ramp is enabled After having moved the axis to the end position i e the point where the travel we need to measure stops press this button in order to bind the last value of the selected output range to the physical position you have moved the axis to axis end MAN EM58 PA E 1 0 Software and configuration parameters 45 of 60 lika EM58 PA WARNING If the start position 1 Start teaching and the final position 2 Stop teaching match i e you do not change the axis position during programming process and press th
35. h the absolute position information a complete parametrization and the better configuration that perfectly suit specific needs in a good many applications and machines The operator in fact can not only choose the type of analogue output required by the controller and application and the range of output but also to set the desired resolution in the range of max 12 bits singleturn 4096 information per revolution and 14 bits multiturn 16384 revolutions EM58 PA programmable encoder is available in both hollow and solid shaft versions The parametrization and set up of the EM58 PA programmable encoder is achieved through a software expressly developed and released by Lika Electronic The program is supplied for free and can be installed in any PC fitted with a Windows operating system Windows XP or later It allows the operator to set the working parameters of the device and monitor whether the device is running properly Communication is established using RS 232 serial cable and port The software tool is compatible with the whole series of HM and EM programmable encoders programmable encoder with SSI serial output PS code programmable encoder with parallel output PN and PY codes programmable encoder with analogue output PA code To make it easier to read and understand the text this guide is divided into two main sections In the first section some general information concerning the safety the mechanical installation and the electri
36. information is 67108864 27 However the DAC MAN EM58 PA E 1 0 Software and configuration parameters 52 of 60 lika EM58 PA has a 16 bit 65536 information resolution so the overall analogue resolution will be limited to 16 bits Encoder HW counts This parameter is available only when the Programming mode Prog cyclic ramp is enabled It sets the length of the displacement you need to measure and control expressed in encoder information counts When needed calculate the portions of a turn by considering the physical Counts per revolution For instance if the axis travel is 1 5 turn long enter 4096 1 5 6144 counts Default 67108864 min 1 max 67108864 MAN EM58 PA E 1 0 Software and configuration parameters 53 of 60 lika EM58 PA 5 3 6 ENCODER SPECIFICATIONS box Counts per revolution It displays the number of physical information per revolution the device is able to output namely the singleturn resolution 4096 cpr counts per revolution i e 2 NOTE Please note that in this encoder the maximum number of physical counts per turn is 4096 2 while the maximum number of physical revolutions is 16384 2 thus the overall number of information is 67108864 27 However the DAC has a 16 bit 65536 information resolution so the overall analogue resolution will be limited to 16 bits Max number of revolutions It displays the number of physical revolutions the device is able to output namely
37. ltage output or current output by setting the desired option VOLTAGE or CURRENT next to the previous parameter Output type scroll the drop down list to choose between the available output range options Default 20 5 V The following output range options are available for the current output Output type CURRENT e 4 20mA 0 20mA e 0 24 mA For any information refer to the section 4 10 Current analogue output on page 23 The following output range options are available for the voltage output Output type VOLTAGE e 0 5V e 0 10V e 5 45V e 10 410 V For any information refer to the section 4 11 Voltage analogue output on page 24 MAN EM58 PA E 1 0 Software and configuration parameters 42 of 60 lika EM58 PA 5 3 5 RESOLUTION SETTING box The four graphic buttons available in the RESOLUTION SETTING box allow to programme the encoder work mode that best suits the requirements of the specific application The functions available in the box are different for each programming mode The available programming modes are Pr Programming mode Start Stop single ramp TEACH IN it allows to programme the encoder by considering directly the physical travel of the application you need to measure and control the travel is defined in a single ramp the initial position of the travel is the minimum value of the output range the final position is the maximum value of the output range beyond the
38. minimum current voltage signal level of the output range selected in the parameter Output range after the last position of the travel the encoder will provide the maximum current voltage signal level of the output range selected in the parameter Output range Analogue output value Max value Min value 1 Start teaching 2 Stopiteaching Axis travel MAN EM58 PA E 1 0 Software and configuration parameters 44 of 60 lika EM58 PA For instance if Output type VOLTAGE Output range 0 5V the length of the travel between the 1 Start teaching point and the 2 Stop teaching point 4096 then the encoder will provide a fixed voltage level of O V for the 33552384 positions before the origin of the travel i e the point where you press the 1 Start teaching button a voltage level between 0 V origin of the travel position 0 and 5 V end of the travel position 4095 for the positions of the axis a fixed voltage level of 5 V for the 33552384 positions after the last point of the travel Le the point where you press the 2 Stop teaching button To programme the encoder using the START STOP single ramp programming mode proceed as follows e move the axis to the origin of the physical travel of the application you want to measure and control in other words move it to the point where the travel starts e press the 1 Start teaching button in this point the encoder will provide the minimum current volta
39. mode Prog cyclic TYmp auus detis bd 52 EHneade p HW LER ER RE 53 53 5 ENCODERSPECIFICATIONS BOX vaare 54 Counts per Teva LEO dh etre sc dco Cu ari ac ses cand nasa Ue nae n un nU t 54 M x n mberofrevol ti nS aeu ipaa c Ht a ac HD ERE A d ancora lun cles ior 54 Matta NLS cr ac airada 54 5 4 LOAD SAVE CONFIGURATION Dn o a nun al 55 5 4 1 Saving the encoder configuration to a luciano ad 55 5 4 2 Loading the encoder configuration from SME eee 56 OOOO EN AE AA RRA EN AE AR AE A le 57 Carattere n n Vr A A A AA a dn 57 Disconnected ee 57 Encoder HW counts to be converted into the selected output range must be lower than the Min total COUN Be 57 Foten 57 Error reading tel ai dios 57 Value not valid preset greater than the Maximum posto do 57 6 Dist parcial a Dg Subject index 1 SAA Re tote 45 48 2 2 Stop teachin giai ia ne este 45 48 A Activate Nene 39 C Carattere HON Valois Fut 57 Counts PELO ON o 54 A LE EE NE 38 D DEVICE SEARCH uada adu D aie 34 BG EE 35 Disconnected Gables etuer t tetibuuse 57 E Enable analog Oen 41 Enable presetan o 41 Encoder HW counts 51 53 Encoder HW counts to be converted 57 Encoder travel not valid counts to be displayed greater than physical resolution between start INA ST D Teor a a 40 Encoder travel not valid unable to reach the minimum stroke ttes 40 Error creating the TIO auod eati Ra taire ce 57 Error reading Mera 57 L Load def
40. nformation of great significance for the user can be found user must pay the greatest attention to them Instructions must be followed strictly in order to guarantee the safety of the user and a correct use of the device Failure to heed a warning or comply with instructions could lead to personal injury and or damage to the unit or other equipment This icon followed by the word NOTE is meant to highlight the parts of the text where important notes needful for a correct and reliable use of the device can be found User must pay attention to them Failure to comply with instructions could cause the equipment to be set wrongly hence a faulty and improper working of the device could be the consequence This icon is meant to highlight the parts of the text where suggestions useful for making it easier to set the device and optimize performance and reliability can be found Sometimes this symbol is followed by the word EXAMPLE when instructions for setting parameters are accompanied by examples to clarify the explanation Preliminary information This guide is designed to provide the most complete and exhaustive information the operator needs to correctly and safely install and operate the EM58 PA absolute multiturn programmable encoder fitted with current and voltage analogue output EM58 PA programmable encoder from Lika Electronic is designed to maximize customization and versatility and really allows the operator to get along wit
41. nic software tool 28 5 1 1 Pall AONE pagis and COMMANA Siis 29 5 2 O ccc cetlacrtreterrtaaniarneent earn ielaan leanne serine nema cennsonaumaunieuacnah 32 ENN ne 34 DENICE RER RO AA KO 34 A NE 34 Device NPE cave acest bid bin ad Wi sche an 35 FN ee iO SEAS 35 TE VEE EN EO TE 35 a datan EI 35 A A ELO earner UA 35 Losa d fault EE de rai 36 SEN TT 37 Sia POSITION bo Gere 37 POS para il EE 37 ES 37 AS A O dr 38 53 2 PRESH BOX EEE EE 38 e a LONE KE KE OE ON EEE 38 Activate Ge REM 39 FANS DO BREN re EMI IC AUAM 40 Encoder travel not valid counts to be displayed greater than physical resolution between start and Kio ned 40 Encoder travel not valid unable to reach the MINIMUM stroke e eee 40 MASAE ON EA RO EN e a O ML M LL CURATO OS 40 5 3 4 ENCODER CONFIGURATION e 41 Enableanalod OU EEB E E EE 41 ar ER EE EE EE Ne 41 Positive counting UNEN a ai di di a n 41 OUT Usa 42 OPUS AAA A AS ded iate um 42 5 3 5 RESOLUTION SETTING A A dne 43 Programming mode Start torna A Qro amu 44 MS ETI tede hift ci ia ttn at 45 2 StOD Ted DT es oec caca t oce MALAM IULIAE UNE ER LA MC M e uS 45 Programming mode Start Stop eyelic ain ati ii a ctn ete dati A ca cited des 47 LE Start OAC FV sitiado hdd 48 2c Stop tea A tM MM RE Er AE 48 Programming mode Prog single 49tip ossis amete eter tra mast crt teat one 50 Encoder AW FUN caca caet Prag daos Raid i 51 Programming
42. nter clockwise and the decreasing count when the shaft is turning clockwise on the contrary if the Complementary input has HIGH logic level VDC the encoder will provide the increasing count when the shaft is turning clockwise and the decreasing count when the shaft is turning counter clockwise For any information on the Complementary input refer to the section Electrical connection on page 17 and in particular to the section 4 12 Counting direction on page 25 Default CW standard WARNING After having set the new counting direction it is necessary to set also the preset function MAN EM58 PA E 1 0 Software and configuration parameters 41 of 60 lika EM58 PA Output type It sets the analogue output type Two options are available VOLTAGE or CURRENT If Output type VOLTAGE the position information will be provided through the Vout output and expressed in Volts V otherwise if Output type CURRENT the position information will be provided through the lout output and expressed in milliamperes mA The output range options for either voltage type or current type can be set next to the following parameter Output range Please note that the analogue output can be enabled disabled by setting the parameter Enable analog output in the same ENCODER CONFIGURATION box Default voltage Output range After having enabled the analogue output by setting the parameter Enable analog output and selected the type of output vo
43. om a file When you need to load an encoder configuration you have previously saved to a file press the LOAD CONFIGURATION FROM FILE button As soon as you press the button the Open dialogue box appears on the screen and the Starting process message appears on the display box below in the page The operator must select the folder and then the file where the configuration has been saved When you press the OPEN button to confirm the dialogue box closes If the process is carried out properly then the opening the configuration file file read successfully parameters written correctly process carried out message appears on the display box Otherwise the Error reading the file warning message appears on the display box MAN EM58 PA E 1 0 Software and configuration parameters 56 of 60 lixa EM58 PA 5 5 Error messages in alphabetical order Carattere non valido You entered an invalid character or comma such as V lt gt All the fields only allow integer values except Preset which accepts also decimal numbers separated by dot or comma decimal mark Disconnected cable This message is allowed to appear only when the current output is selected Output type CURRENT lout cable is not connected or connected incorrectly or broken Check the connection The error is further signalled though the FAULT output For more information refer to the section 4 9 Fault output on page 20 Encoder HW counts to be
44. owing functions are available The cyclical movement of the blue arrow located at the top right of the Position field is intended to show the proper communication with the device Position It shows the current position information of the connected device If Output type VOLTAGE then the current encoder position is expressed in Volts V otherwise if Output type CURRENT then the current encoder position is expressed in milliamperes mA Turns It shows the number of revolutions performed by the encoder The value can be represented in either decimal or hexadecimal format click the DEC or HEX option buttons in this box to choose the desired display format MAN EM58 PA E 1 0 Software and configuration parameters 37 of 60 lika EM58 PA Counts rev It shows the current position information in the revolution As soon as the hardware number of information per revolution namely counts per revolution cpr singleturn resolution is achieved the counter restarts again the increasing count The value is expressed in pulses The value can be represented in either decimal or hexadecimal format click the DEC or HEX option buttons in this box to choose the desired display format 5 3 2 PRESET box The functions in this box are activated and thus available only if the parameter Enable preset in the ENCODER CONFIGURATION box is set to ENABLED on the contrary if DISABLED is set they are not available The functions in this box are used to
45. preset Let s say Output type CURRENT and Output range 0 5V In our example the minimum value you can set next to the parameter Preset is 0 the maximum value is 5 MAN EM58 PA E 1 0 Software and configuration parameters 38 of 60 lika EM58 PA If a Preset value has been never set previously and anyway the Activate preset command has been never sent the transmitted position information and the current position information necessarily match When you enter a Preset value and then execute the Activate preset command the system saves the set preset value and use it to calculate the position value to be transmitted For instance let s suppose that we set the value 4 V next to the item Preset and then we execute the Activate preset command after having stopped the encoder at position 0 195 V Position 0 195 after having sent the command by pressing the button Activate preset Position 4V Turns 13107 Counts rev 819 So we need the encoder to output the value 4 V when it reaches the real position 0 195 V Thus the transmitted position values will result as follows If current encoder position 0 195 gt transmitted position 4 000 V If current encoder position 0 196 gt transmitted position 4 001 V If current encoder position 0 193 gt transmitted position 3 998 V If current encoder position 0 194 gt transmitted position 3 999 V NOTE The settable preset values are comprised between th
46. r by setting the parameter Positive counting direction MAN EM58 PA E 1 0 Electrical connection 26 of 60 lika EM58 PA 4 14 Recommended current analogue output circuit Vdd o INPUT Encoder penc circuit ov 4 15 Recommended voltage analogue output circuit Vdd N ty Encoder ov MAN EM58 PA E 1 0 Electrical connection 27 of 60 lika EM58 PA 5 Software and configuration parameters 5 1 Configuring the device using the Lika Electronic software tool EM58 PA encoder with analogue interface is supplied with a software expressly developed and released by Lika Electronic in order to easily programme and configure the device The software tool is compatible with the whole series of HM and EM programmable encoders from Lika Electronic programmable encoder with SSI serial output PS code programmable encoder with parallel output PN and PY codes programmable encoder with analogue output PA code It allows the operator to set the working parameters of the device and monitor whether the device is running properly The program is supplied for free and can be installed in any PC fitted with a Windows operating system Windows XP or later Communication is established using RS 232 serial cable and port see on page 19 The executable file LIKA PROGRAMMABLE ENCODER Vx EXE is available in the enclosed documentation or at the address www lika biz gt PRODUCTS gt ROTACOD gt
47. rogram is not able to establish a connection to the encoder a red X X appears next to the DEVICE SEARCH button Should this happen please check that the unit is connected properly and the power is on Make sure that the power supply voltage is correct Also check that the serial cable characteristics meet the requirements described in the section 4 7 RS 232 serial connection on page 19 WARNING Make sure one only device is connected to the personal computer and switched on when you start a device searching process 5 2 1 COM PORT box In the COM PORT box the following functions are available Device search After having connected a device to the serial port of your personal computer and turned it on press this button to start establishing a communication and allow the program to detect it During the connection attempt a blue arrow appears next to the button As soon as the connection is established properly a green tick V appears next to the DEVICE SEARCH button and the fields in the ENCODER box are filled with information relating to the connected device Furthermore the buttons in the left navigation bar and the commands in the menu bar become active On the contrary if the program is not able to establish a connection to the encoder a red X X appears next to the DEVICE SEARCH button Should this happen please check the unit is connected properly and the power is on Make sure that the power supply voltage is correct Also ch
48. s Ka General contents O ER RA E 1 Genera EO AE AA 3 A A A A 6 Typographic and iconographic convida 7 Preliminary TN 00 SE EE OS 8 a MAA A 9 A M 9 12 Electrical A nee eno 9 BUNN ed 10 Ns EE EN 11 3 Mechanical iE IHRER NM 12 3 1 Encoder VL Ea EE EE 12 3 1 1 Customary Ane 12 3 1 2 Installation using fixing clamps optional kit code LKM 386 13 3 1 3 Installation using a mounting bell optional kit code PF4256 13 3 2 Encoder With hollow addendum caa 14 3 2 1 EMC58 PA installation using the antirotation ITI esioriarinaioascon tri 14 3 2 2 EMC59 PA installation using the fixing plate 15 3 2 3 EMC60 PA installation using the antirotation pin and the fixing plate 16 JE ET 17 4 1 Cable and conneebors Conner ONS Lena 17 22 T2 cable ee MA ud scdtasitiuus tieu deplibepi tue Hester Redi td 17 4 3 M23H 12 pin counter clockwise connector specifications 18 4 4 M12 12 pin connector SOC CICA TORIS siii 18 ACOMODO sje ERR 18 A a Eina 19 AEE EE REN aaant 19 PG eM SER ES AAA 20 TN 20 4 9 1 Fault output connected to a PLC m sarita did 21 Pee A A 22 AIO Current analogue GUPIT ee los ih an alt EE 23 A etikken fetal 24 4 12 Counting Eee 25 EE EE EE A 26 4 14 Recommended current analogue output cr Livni 27 4 15 Recommended voltage analogue OUEDUEGITGUIL s amies maceria dn caet 27 5 Software and configuration Dara IBI ri 28 5 1 Configuring the device using the Lika Electro
49. set and activate the preset Preset This function is available only if the parameter Enable preset in the ENCODER CONFIGURATION box is set to ENABLED This parameter allows the operator to enter the preset value The Preset function is meant to assign a value to a desired physical position of the encoder The chosen physical position will get the value set next to this item and all the previous and following positions will get a value according to it This function is useful for example when the zero position of the encoder and the zero position of the axis need to match The preset value will be set for the position of the encoder the current position is displayed next to the tem Position in the POSITION box in the moment when the preset value is activated To activate the preset stop the encoder in the desired position and then press the Activate preset button in this box otherwise connect the Preset input as explained on page 26 This parameter allows to enter decimal numbers with up to three digits thousandths further digits in the fractional part are subject to round off Separate the integer part from the fractional part using the decimal point decimal comma is converted into decimal point Default 0 min max see the limit values of the selected output range EXAMPLE Here follows an example useful to better understand the preset function and the meaning of the related parameters and commands Preset and Activate
50. t range e now move the axis to the end of the physical travel of the application you want to measure and control in other words move it to the point where the travel stops e press the 2 Stop teaching button in this point the encoder will provide the maximum current voltage signal level available in the output range selected in the parameter Output range 1 Start teaching This button is available only when the Programming mode Start Stop cyclic ramp is enabled After having moved the axis to the start position 0 position i e the point where the travel we need to measure starts press this button in order to bind the first value of the selected output range to the physical position you have moved the axis to axis origin 2 Stop teaching This button is available only when the Programming mode Start Stop cyclic ramp is enabled After having moved the axis to the end position i e the point where the travel we need to measure stops press this button in order to bind the last value of the selected output range to the physical position you have moved the axis to axis end WARNING f the start position 1 Start teaching and the final position 2 Stop teaching match i e you do not change the axis position during programming process and press the buttons when the axis is in the same exact position then the error message Encoder travel not valid unable to reach the minimum stroke is displayed e If th
51. the multiturn resolution 16384 turns i e 2 NOTE Please note that in this encoder the maximum number of physical counts per turn is 4096 2 while the maximum number of physical revolutions is 16384 2 thus the overall number of information is 67108864 27 However the DAC has a 16 bit 65536 information resolution so the overall analogue resolution will be limited to 16 bits Max total counts It displays the overall physical resolution of the device 67108864 i e 279 The overall physical resolution results from the following calculation Max total counts Counts per revolution Max number of revolutions NOTE Please note that in this encoder the maximum number of physical counts per turn is 4096 2 while the maximum number of physical revolutions is 16384 2 thus the overall number of information is 67108864 279 However the DAC has a 16 bit 65536 information resolution so the overall analogue resolution will be limited to 16 bits MAN EM58 PA E 1 0 Software and configuration parameters 54 of 60 lika EM58 PA 5 4 LOAD SAVE CONFIGURATION page When you press the LOAD SAVE CONFIGURATION button in the left navigation bar you enter the LOAD SAVE CONFIGURATION page ica LIKA programmable encoder File Edit About Analog e Identification Load configuration from file Save new configuration to file on baud rate 9600 conti m configuration register 32 SAGAEN DAC reg control 12288 offset
52. wn e Load default parameters command the same as the Load default parameters button in the IDENTIFICATION page see on page 36 LIKA Encoder programmabile File sis About Visualizza messaggi RS 232 BIR English carica prm di fabbrica po porta COMS KR Encoder Configurazione Tipo dispositivo EM 12 16384 P Numero di serie 0 Tipo di uscita Analogico Carica salva Versione 11 configurazione leggi i parametri carica prm di fabbrica lika Tel 39 0445 806600 eMail inforlika it wwwlkabz MA About menu It shows some information on the application software and the contact details to reach Lika Electronic ka programmable encoder COM port pe por KR Encoder Configuration E e LIKA Electronic Load save 1 K a Via S Lorenzo 25 configuration 36010 Carr VI ITALY Tel 39 0445 806600 Fax 39 0445 806699 infolika it www lika it LIKA Programmable encoder exe lixa Tel 39 0445 806600 eMail info lka it www lka biz A ER MAN EM58 PA E 1 0 Software and configuration parameters 30 of 60 lika EM58 PA The structure and contents of the menus is shown in the following scheme File Identification Language Configuration View RS 232 messages Load Save configuration Load default parameters Exit MAN EM58 PA E 1 0 Software and configuration parameters About 31 of 60 lika EM58 PA 5 2 IDENTI
53. y in compliance with 2004 108 EC norm on electromagnetic compatibility following precautions must be taken 4 before handling and installing the equipment discharge electrical charge from your body and tools which may come in touch with the device power supply must be stabilized without noise install EMC filters on device power supply if needed always use shielded cables twisted pair cables whenever possible avoid cables runs longer than necessary avoid running the signal cable near high voltage power cables mount the device as far as possible from any capacitive or inductive noise source shield the device from noise source if needed to guarantee a correct working of the device avoid using strong magnets on or near by the unit MAN EM58 PA E 1 0 Safety summary 9 of 60 lika EM58 PA minimize noise by connecting the shield and or the connector housing and or the frame to ground Make sure that ground is not affected by noise The connection point to ground can be situated both on the device side and on user s side The best solution to minimize the interference must be carried out by the user 1 3 Mechanical safety e Install the device following strictly the information in the section Mechanical installation mechanical installation has to be carried out with stationary mechanical parts e do not disassemble the unit e do not tool the unit or its shaft delicate electronic equipment handle with
54. y when the software function Enable preset in the ENCODER CONFIGURATION box is enabled see on page 41 otherwise the hardware function is disabled It is the same as the Activate preset button see on page 39 This input is intended to set the preset value the preset value is set next to the parameter Preset in the PRESET box see on page 38 for the current position of the encoder For detailed information on the preset function refer to the section 5 3 2 PRESET box on page 38 The output information can be forced through a command sent to the PRESET input by a PLC or via a button After this the position output by the encoder in that point will be the one set and then loaded to the encoder next to the parameter Preset in the PRESET box see on page 38 By default the preset value is O Connect Preset input to OVDC if not used To set the preset connect Preset input to VDC for 100 ps at least then disconnect VDC Normally voltage must be at OVDC or floating We suggest performing the preset setting when the encoder is in stop WARNING Check the parameter Preset and execute the preset function either by means of the Preset input or by pressing the Activate preset button every time you change the value next to the parameter Encoder HW counts available when the options Programming mode Prog single ramp or Programming mode Prog cyclic ramp are set or after having changed the counting direction through the Counting direction input o
55. you press the 1 Start teaching button and the end of the axis i e the point where you press the 2 Stop teaching button It is then repeated cyclically Analogue output value value A Min 7 value 1 Start teaching 2 Stop teaching Axis travel Ramps follow each other If you move the axis beyond the limits of the travel you enter either the previous or the following ramp For instance if Output type VOLTAGE Output range 0 5V the length of the travel between the 1 Start teaching point and the 2 Stop teaching point 4096 then the encoder will provide a voltage level between 0 V at the origin of the travel i e the point where you press the 1 Start teaching button position O and 5 V at the end of the travel i e the point where you press the 2 Stop teaching button position 4095 Then the sequence will be repeated cyclically and a 0 5V ramp will follow a 0 5V ramp and so on MAN EM58 PA E 1 0 Software and configuration parameters 47 of 60 lika EM58 PA To programme the encoder using the START STOP cyclic ramp programming mode proceed as follows e move the axis to the origin of the physical travel of the application you want to measure and control in other words move it to the point where the travel starts e press the 1 Start teaching button in this point the encoder will provide the minimum current voltage signal level available in the output range selected in the parameter Outpu

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