4100-5.3 - Rockwell Automation
Contents
1. 17 Allen Bradley 845F 845H and 845T Encoders 18 Allen Bradley 845K Encoders 18 Allen Bradley 845P Encoders 19 Connecting a Registration Sensor qose at a emt bh Be d 20 Using th Registration Input cro wr a e rp ur REX es 21 Power Supply Connector esee dp V ir Near Let 22 Fault Relay MTM de Comet Er PA tected OS lS 24 Publication 4100 5 3 June 1999 Chapter 3 Setup Chapter Objectives eese eed Sa Dt PSE BARES eee 27 Setting the Rotary Switches s eua rp te ete je nare 27 Selecting the Operation Mode d 2 E eee get eoe 27 Selecting the Axishink Address s va erp REY S 28 Selecting the Options Configuration 29 Encoder Power 12V SV 29 Extended Nodes Extd Node On Off 20 Encoder Fault Enc Fault On Off 30 Extended Standard Length Extd Length On Off 30 Extended Standard Length Termination 1 30 Extended Standard Length Termination 2 30 Extended versus Standard AxisLink 31 Allen Bradley 845 Encoders 31 Powering the ALEC 33 ALEC With GML Commander v cv qu eS des vomer Set 34 Adding ALEC to Commander AxisLink Configuration 34 Chapter 4 Fault Indication amp Control Status Chapter Objectives eg dr 146 8 PEERS EA EST trie DN E PUR 37 E EIS H G LTTE TE a e 37 AISNE sus ico arose da d a a R2. EMC Directive The ALEC is tested to meet Council Directive 89 336 Electromagnetic Compatibility EMC in accordance with Article 10 1 The following directives apply EN 50081 2 EMC Generic Emission Standard Part 2 Industrial Environment e EN 50082 2 EMC Generic Immunity Standard Part 2 Industrial Environment The ALEC as described in this document is intended for use in an industrial environment and is not intended for use in a residential commercial or light industrial environment To meet CE requirements the following are required e The ALEC must be mounted in an IP 54 rated metal enclosure on a metal panel All equipment must be electrically bonded You must use the specified Allen Bradley cables The ALEC is designed to function without maintenance when operated in the environment specified in this manual Under normal conditions the ALEC should not require any periodic maintenance However if conditions are less than ideal and any superficial dust has accumulated on the controller over time remove the dust carefully Also it is recommended to periodically inspect all cables for abrasion and all connectors for proper seating Before mounting the ALEC verify that the 1394 GMC System or the S Class Compact motion controller is installed correctly Refer to the 1394 Digital AC Multi Axis Motion Control System User Manual publication 1395 5 0 or the IMC 23 x Installation and Set up Manual public
3. prohibited Throughout this manual we use notes to make you aware of safety considerations Identifies information racti r ATTENTION de ifies information about practices o B circumstances that can lead to personal injury or death property damage or economic loss Attention statements help you to identify a hazard avoid a hazard recognize the consequences IMPORTANT Identifies information that is critical for successful application and understanding of the product Allen Bradley is a trademark of Rockwell Automation European Communities EC If this product has the CE mark it is approved for installation within Directive Compliance the European Union and EEA regions It has been designed and tested to meet the following directives EMC Directive This product is tested to meet the Council Directive 89 336 EC Electromagnetic Compatibility EMC by applying the following standards in whole or in part documented in a technical construction file EN 50081 2 EMC Generic Emission Standard Part 2 Industrial Environment EN 50082 2 EMC Generic Immunity Standard Part 2 Industrial Environment This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage by applying the safety requirements of EN 61131 2 Programmable Controllers Part 2 Equipment Requirements and Tests For spe
4. Figure A 2 Encoder Input Equivalent Circuit 400 pF 6k A or B or Z 330 A or B or Z 400 pF M ncludes encoder loss detection circuitry on A and B quadrature channels This value is 10 5k for Marker Z Channel Figure A 3 Registration Input Equivalent Circuit 5V 6k 2k 24V 470pF BS a x e 400 pF Forward voltage drop of optocoupler diode Publication 4100 5 3 June 1999 Summary of Changes Appendix B Upgrading From ALEC Series C to Series D The ALEC Series D has undergone some changes that affect the mounting wiring and configuring of the ALEC when upgrading from an ALEC series C to an ALEC series D Physical Dimensions The length and width of the box have seen no appreciable difference in size The depth of the box has the greatest significance The ALEC series C has a depth of 4 5inches 114 mm and the ALEC series D has a depth of 5 125 inches 30 175 mm However the new design of the mounting tabs decreases the difference to 25 inches 6 35 mm This should pose no problems for wiring the ALEC series D using existing cabling Mode Rotary Switch The Mode rotary switch has changed from a 10 position switch to a 16 position switch The positions 0 7 are still used for setting the frequency of the encoder position update However the values are not the same as they were in the ALEC series C The following table contains the Series C and the Series D frequency values Table B 1 Comparati
5. 2496 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Europe Middle East Africa Rockwell Automation Vorstlaan Boulevard du Souverain 36 1170 Brussels Belgium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation Level 14 Core F Cyberport 3 100 Cyberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Publication 4100 5 3 June 1999 Supersedes Publication 4100 5 3 July 1998 1999 Rockwell International Corporation Printed in the U S A
6. Allen Bradley Industrial Automation Glossary AG 7 1 Terminology Knowledge of the following terms are necessary to the understanding of the ALEC For additional definitions refer to the Allen Bradley Industrial Automation Glossary publication number AG 7 1 Publication 4100 5 3 June 1999 Preface 4 Common Techniques Used in this Manual ALEC Product Receiving and Storage Responsibility Publication 4100 5 3 June 1999 AxisLink is an IMC S Class option which links multiple motion controllers and ALECs to provide real time axis coordination between their axes in distributed multi axis system Virtual Axis An axis on one motion controller which is linked to an axis on another motion controller or ALEC via AxisLink The following conventions are used throughout this manual Bulleted lists such as this one provide information not procedural steps e Numbered lists provide sequential steps or hierarchical information Words that you type or select appear in bold When we refer you to another location the section name appears in italics ATTENTION The exclamation point inside of a triangle followed by the word ATTENTION indicate circumstances that can lead to personal injury death property damage or economic loss IMPORTANT Identifies information that is critical for successful application and understanding of the product You the customer are responsible for thoroughly
7. Signal Power Common 4100 CAExx Encoder Wire Color Wire Color Red Black Red Black Installation amp Hook Up 19 Encoder Signal B Input B Return Allen Bradley 845P Encoders If you are using an Allen Bradley 845P SHC14 xx3 incremental encoder use the following table for your connections Table 2 6 ALEC Connections for AB 845P Encoders ALEC Signal 4100 CAExx Encoder Encoder Wire Color Wire Color Signal A White Red CH A Output A Blac Violet CH A Output B Green Green CH B Output B Blac Blue Ch B Output Z Blue Yellow CH Z Output Z Blac Orange CH Z Output Power Red White B Input Common Blac Black B Return ATTENTION ATTENTION Do not attempt to make any electrical connections to the ALEC while power is applied Doing so risks damage to the ALEC peripheral equipment and your health and safety The ALEC does not support the removal or the insertion of any connectors when under power The power disturbance can result in unintended machine motion loss of process control or an electrical arc that can cause an explosion in a hazardous environment Publication 4100 5 3 June 1999 20 Installation amp Hook Up Connecting a Registration The ALEC provides a high speed optically isolated registration input Sensor If required in your application this input can be used to latch the position of the encoder when the registration sensor is activated T
8. available from the ALEC for powering the encoder An optically isolated registration input which latches encoder position is provided for direct interface to a position registration sensor This input can be used directly with 5V or 24 V devices AxisLink communication with IMC S Class motion controllers is controlled by a dedicated communication chip An address selector switch is provided on the front panel to set the address of the ALEC on AxisLink A front panel AxisLink status LED CAL is also provided The ALEC includes a switching power supply with fused 18 36V DC input which provides separate outputs for the optically isolated encoder input and AxisLink communication channel Figure 1 1 shows the placement and labeling of major items on the ALEC front panel as well as the physical dimensions Figure 1 1 ALEC front panel lt 190 5 mm 7 5 in with cable clearance I kk I I I I I pag v S E E m l N Q I e m I I I I I lt 48 26 mm 1 9 in Y lt lt _ 130 175 mm 5 125 in gt Overview 9 Package Specifications Package size 300 23 x 130 175 x 48 26 mm and in 11 82 x 5 125 x 1 9 Product weight 1 68 kg and Ibs 3 69 Material Painted Steel Publication 4100 5 3 June 1999 10 Overview Publication 4100 5 3 June 1999 Chapter Objectives Installing the ALEC Complying with Eu
9. cable lead Do this Pulls out of the terminal Repeat steps 3 through 9 again Does not pull out of the terminal Repeat steps 3 through 9 for the next terminal The function of these connectors their pinouts and names are defined in the following sections Connecting AxisLink Connect the AxisLink cable to the AxisLink terminal block on the front panel of the ALEC as illustrated in the following diagram Publication 4100 5 3 June 1999 16 Installation amp Hook Up Publication 4100 5 3 June 1999 Figure 2 3 Wiring the AxisLink Connector AxisLink Wiring Standard Length Blue Shield AxisLink Cable 150 Q A B 1770 CD Belden 9463 Extended Length Yellow AxisLink Cable 300 Q Carol C8014 Belden 9182 Install termination resistor only if this is the first or last module on the AxisLink line IMPORTANT Anchor the cable so that no more than 2 feet of cable is left unsupported The excessive weight of an unanchored cable could pull the plug out of the connector When the ALEC is either the first module or the last module on the AxisLink cable an external termination resistor must be installed If you are using AxisLink in standard configuration the resistor should be 150 Ohms If you are using Extended AxisLink the termination resistor should be 300 Ohms These are in addition to the internal resistors set by DIP switches 5 and 6 on the ALEC front panel ATT
10. improper voltage may be applied to the encoder possibly causing damage Remember the ALEC only reads the mode switch at power up or after reset to determine the periodic update rate Powering the ALEC Setup 33 Check the status of other devices connected to the same ATENTON AxisLink cable before pressing the Reset button on the ALEC After setting the Mode and AxisLink Address switches and making the necessary connection as described in the installation section of this manual you can apply power to the ALEC The CPU OK and AL LEDs should turn green after applying power to the ALEC Green LEDs indicate that it is working properly If both LEDs do not turn green at powerup remove power from the ALEC and check all of your connections and the power supply fuse Re apply power If both LEDs still do not turn green after powerup shut down the ALEC and remove all ALEC connectors except power Apply power again If both LEDs now turn green reinstall the connections one at a time until the problem is found If both LEDs still do not turn green disconnect everything and return the ALEC to Allen Bradley for repair The ALEC has over current protection provided by a fuse on the printed circuit board The fuse is 1 4 inch by 1 and 1 4 inches 2 Amperes If the fuse blows always determine and correct the reason it blew before installing the new fuse ATTENTION Never replace the fuse with the unit under power When replacing the
11. registration input is used to latch axis position within 1 micro second it employs a fast optocoupler and is not filtered for switch bounce In applications which use a similarly fast registration sensor this is not usually a problem However in some applications the fast response and lack of filtering mean that extra precautions must be taken Since the registration input is and has to be sensitive because of its function it is best to treat it not like a discrete input but as you would treat a sensitive analog input The registration input is floating not referenced to any common and is thus similar to a differential servo amplifier or encoder input As with a servo amplifier or encoder input best results are obtained by using shielded twisted pair cable for all registration wiring as shown previously The registration input current is 2 5mA when the input is activated While this is a reasonable current for most 5V devices the marker channel on an encoder for instance it is low for typical 24V devices Publication 4100 5 3 June 1999 22 Installation amp Hook Up Publication 4100 5 3 June 1999 making them more susceptible to interference For these devices the ON current can be raised by a shunt resistor across the registration input as shown in the following diagram Figure 2 7 ALEC Terminal Block ALEC AxisLink Terminal Block 24V Normal 24V Registration Connections 4700 2W IMP
12. series D from the ALEC Series C This is most notable for configuring the encoder properties and AxisLink Table B 2 DIP Switch Settings Switch Number ON Position OFF Position Left Right 1 12V 5V 2 Extended Node Standard Node 3 Encoder Loss Fault Encoder Loss Fault detection On detection Off 4 Extended Length Standard Length 5 Extended Length Standard Length Termination 1 Termination 1 6 Extended Length Standard Length Termination 2 Termination 2 Upgrading From ALEC Series C to Series D 49 Resetting the Encoder Mode The following table shows the differences between series C and series D for setting the switches for the update frequency and the output voltage for the encoder Table B 3 Comparative Switch Settings Update Rate Setting for ALEC series Setting for ALEC series D Encoder C Mode Switch DIP Switch Output Mode Switch Position 250Hz 8 0 DIP Switch 1 is Right 5V 250Hz 9 0 DIP Switch 1 is Left 12V 350 Hz 6 2 DIP Switch 1 is Right 5V 350 Hz 7 2 DIP Switch 1 is Left 12V 500Hz 4 4 DIP Switch 1 is Right 5V 500Hz 5 4 DIP Switch 1 is Left 12V 700 Hz 2 5 DIP Switch 1 is Right 5V 700 Hz 3 5 DIP Switch 1 is Left 12V 1000 Hz 0 7 DIP Switch 1 is Right 5V 1000 Hz 1 7 DIP Switch 1 is Left 12V Encoder OK LED An Encoder OK LED has been added just below the AxisLink connector This provides at a glance verification that the encoder sign
13. the ALEC operation status There are three status LEDs on the front panel of the ALEC These LEDs provide at a glance monitoring of the system The three LEDs monitor different aspects of the ALEC AxisLink system The LEDs are labeled AL CPU OK and Encoder OK The following LEDs and status conditions are covered in this chapter e AL LED e CPU OK e Encoder LED s Fault Conditions The AL LED indicates the current state of AxisLink Fault states are separated into three basic categories e AxisLink Fault AxisLink Failing e No Fault Faults can be attributed to improper installation improper ALEC switch configuration e faulty hardware i e broken cable improper application It is the responsibility of the user to make sure that the application is safe Understanding the capabilities of the ALEC can help you achieve this goal The ALEC provides bicolor LED fault indication The color and pattern of these LEDs provide at a glance indication of the status of the ALEC Although the ALEC is equipped with a Reset button it is not a recommended form of fault resolution As the ALEC can be a component of a larger configuration pressing the Reset button can Publication 4100 5 3 June 1999 38 Fault Indication amp Control Status Publication 4100 5 3 June 1999 cause other control devices to work erratically which could cause machine damage or personal injury ATTENTION Pressing the Reset Button on th
14. 12V encoders or Publication 4100 5 3 June 1999 18 Installation amp Hook Up Publication 4100 5 3 June 1999 all the way to the right for 5V encoders See the Setup chapter in this manual for information on selecting the encoder voltage ATTENTION The required mode must be selected before applying power to the ALEC Improper voltage applied to the encoder can cause damage to the encoder the ALEC and to the operator Allen Bradley 845F 845H and 845T Encoders If you are using an Allen Bradley 845F 845H or 845T incremental encoder use the following table for your connections Table 2 4 ALEC Connections for AB 845F 845H and 845T Encoders ALEC Signal 4100 CAExx Encoder Pin Encoder Wire Color Signal A White A CH A Output A Blac H CH A Output B Green B CH B Output B Blac Ch B Output Z Blue C CH Z Output Z Blac J CH Z Output Power Red D B Input Common Blac F B Return Allen Bradley 845K Encoders If you are using an Allen Bradley 485K SAxZx xxY3 incremental encoder use the following table for your connections Table 2 5 ALEC Connections for AB 845K Encoders ALEC Signal 4100 CAExx Encoder Encoder Wire Color Wire Color Signal A White White CH A Output A Black Black CH A Output B Green Blue CH B Output B Black Black Ch B Output Z Blue Green CH Z Output Z Black Black CH Z Output Table 2 5 ALEC Connections for AB 845K Encoders ALEC
15. AB Allen Bradley ALEC AxisLink Encoder Converter Cat No 4100 5 3 Installation and Setup Manual ife x et ee S i l Automation Important User Information Because of the variety of uses for the products described in this publication those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Allen Bradley does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Allen Bradley publication SGI 1 1 Safety Guidelines for the Application Installation and Maintenance of Solid State Control available from your local Allen Bradley office describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or part without written permission of Rockwell Automation is
16. ENTION Install the termination resistor only if your ALEC is either the first or last module on the AxisLink line dd ATTENTION Even though AxisLink and RIO use the same cable the connections are not interchangeable Do not mix AxisLink and RIO connections It causes both systems to not work properly Installation amp Hook Up 17 Connecting the Encoder Encoders are connected to the ALEC using a supplied cable assembly Two encoder cable assemblies are available as shown in the following table Table 2 3 ALEC Encoder Cable Assemblies Order Number Length 4100 CAE15 15 feet 4 5 meters 4100 CAE30 30 feet 9 meters The encoder cable assemblies shown in the preceding table are electrically identical The only difference is their length Connect the encoder to the ALEC encoder cable assembly as shown in the following diagram Figure 2 4 Wiring diagram for connecting the Encoder to the ALEC Incremental Encoder Plug the other end of the encoder cable assembly into the Incremental Encoder Input connector on the front panel of the ALEC IMPORTANT Anchor the cable so that no more than 2 feet of cable is left unsupported The excessive weight of an unanchored cable could pull the plug out of the connector The encoder power supply in the ALEC provides 5 or 12 volts DC for powering the encoder Voltage selection is by DIP switch 1 on the front panel Push the switch all the way to the left for
17. Ga Shen 38 ASS IS Fallin es qaaa ed co EXC ES ar BERS 38 INGESU E de de vit pedo dose doo 93 1 428 e hae E ode 39 URALI ace ua e T desc ecd on tie P o o efe oer 39 CRU 1 cino dre ve I AY aided ove iad ee eed 39 EDcodepoOR LEDs 3 16 22 eee MAUR Te Pat eee 39 Appendix A Specifications Equivalent Circuit Diagrams s voco AURA ag CER e 45 Appendix B Upgrading From ALEC Series C to Series D Summary ON Changes s as gue RA EL DEI eu ba 47 Physical Dimensions 47 Made Rotary Switch 47 AxisLink Address Rotary Switch 48 Publication 4100 5 3 June 1999 AUP SWC HSS ridete oed deeds og Eee 48 Resetting the Encoder Mode 49 FCO ROIS LED yeu puces er re RA erdt Ape oh 49 PAU Reliy 4 8 hb red rar BE as RA OS ESSE bes 50 Index IMEX See ease TIRI 51 Publication 4100 5 3 June 1999 Publication 4100 5 3 June 1999 Preface Read This Manual Who Should Use this Manual Purpose of this Manual Read and understand this instruction manual It provides the necessary information to let you install connect and set up the ALEC for safe reliable operation This preface covers the following topics Who should use this manual The purpose of this manual Terminology Common techniques used in this manual Allen Bradley support You should read this manual if you are responsible for the installation set up or operation of the ALEC AxisLink Encoder Converter If you do not have a b
18. ORTANT Where high levels of repetitive noise is unavoidable Normally Closed sensors can offer improved immunity This resistor increases the current drawn from the registration sensor to over 50mA If your registration sensor can handle more ON current you can use a lower resistance value but be sure to check the power dissipation of the resistor In severe cases it may also be necessary to use an isolated power supply only for the registration inputs With 24V devices do not use the relatively noisy machine or I O power supply Power Supply Connector The power supply connector is used to connect power to the ALEC There is one power input connector for the ALEC The input power is used to operate the ALEC and attached transducers The ALEC operates within the voltage range of 18 36V DC The power source must be able to supply at least 12W of power continuously Installation amp Hook Up 23 The pin layout and functionality for this connector are shown in the following table Table 2 7 Power Supply Fault Relay Pin Functions Power Supply Pin Position Pin Function from Top 1 Common 2 Power 18 36V DC 3 Fault N O Relay Contact 4 Reference The following diagram illustrates the power connections for the ALEC IMPORTANT Power Common is internally connected to chassis Figure 2 8 Wiring diagram for connecting the power cable to the connector Power Input 18 36V DC Fault Relay Power Supply C
19. al is being received Publication 4100 5 3 June 1999 50 Upgrading From ALEC Series C to Series D Publication 4100 5 3 June 1999 Fault Relay The power connector has been enlarged to contain two more pins The top two pins are used for connecting power and the bottom two pins are for connecting a fault relay For more detailed information about any of the changes made to the ALEC series D review the material in this manual A AL LED 37 ALEC With GML Commander 34 Allen Bradley Support 5 AxisLink Address rotary switch 48 AxisLink Failing 38 AxisLink Fault 38 C CE requirements 12 Commander AxisLink Configuration 34 Comparative Frequency Values 47 Comparative Switch Settings 49 Configuration GML Commander Adding to a Commander Diagram 34 Connecting a Registration Sensor 20 Connecting AxisLink 15 Connecting the ALEC 13 Connecting the Encoder 17 Contents of this Manual 3 CPU OK 39 D Definitions Description 7 DIP Switch Settings 48 DIP Switches 48 Encoder Fault 30 Encoder Power 29 Extended Nodes 29 Extended Standard Length 30 Extended Standard Length Termination 1 30 Extended Standard Length Termination 2 30 Options Configuration 29 DIP switches 29 E Encoder Input Equivalent Circuit 46 Encoder OK LED 39 Encoders Allen Bradley 845K 18 Equivalent Circuit Diagrams 45 European Union Directives EMC Directive 12 Extended versus Standard AxisLink 31 Index F Fauilts AxisLink no
20. ased either mechanically or electrically before it restarts reporting the current state of the Encoder Publication 4100 5 3 June 1999 40 Fault Indication amp Control Status Publication 4100 5 3 June 1999 Figure A 1 ALEC Front Panel AB NU Reset AL Q9 o Mode RN AxisLink gt Address 12V 5V Extd Node On Off Enc Fault On Off Extd Length On Off Extd Term 1 On Off Extd Term 2 On Off 9 S vy c L AxisLink Encoder OK Ba S S ES v o ge Lx Su Input E Common 24V DC Fault Power Registration Helay Input eZ Specifications Figure A 1 shows the front panel layout showing the dip switches pin Appendix A locations rotary switches and LEDs for the ALEC The following tables provide explanations for the rotary switches dip switches and pins Table A 1 Mode Rotary Switch Settings Switch Setting Description 0 250 Hz 1 300 Hz 7 350 Hz 3 400 Hz 4 500 Hz 5 700 Hz 6 850 Hz 7 1000 Hz 8 F Reserved Table A2 DIP Switches Switch ON OFF Number Switch set to Left position Switch set to Right position 1 12 Volt 5 Volt 2 Extended Node Addressing 16 Standard Node Addressing 8 3 Encoder Fault Enabled Detects Encoder Fault Disabled Fault encoder fault and opens Fault relay is not opened if Encoder Relay faults 4 Extended Length Standard Length 5 Extended Length Ter
21. asic understanding of the products listed below contact your local Allen Bradley representative for information on available training courses before using this product e S Class Compact motion controller e 1394 GMC System module GML Graphic Motion Language Commander software This manual is an installation and set up guide for the ALEC and describes the procedures necessary to properly install and configure it into your motion control system Publication 4100 5 3 June 1999 Preface 2 Safety Precautions Publication 4100 5 3 June 1999 The following general precautions apply to the ALEC ATTENTION Electric shock can kill Make sure the ALEC is safely installed in accordance with the Installation and Set up chapters of this manual Avoid contact with electrical wires and cabling while power is on Only trained service personnel should open the electrical cabinet This product contains stored energy devices To avoid hazard of electrical shock verify that all voltage on the capacitors has been discharged before attempting to service repair or remove this unit You should only attempt the procedures in this manual if you are qualified to do so and familiar with solid state control equipment and the safety procedures in publication NFPA 70E and BS EN 60204 The system integrator is responsible for local safety and electrical codes ATTENTION An incorrectly applied or installed product can result in co
22. ation 999 122 for installation instructions Mount the ALEC on a metal enclosure panel using two 1 4 20 or M6 bolts Refer to the Mechanical Specifications in the Overview chapter of this manual for mounting dimensions Installation amp Hook Up 13 To avoid a shock hazard remove all power to the system eee panel before mounting the ALEC The mounting tabs should be bolted firmly to the metal enclosure The following diagram shows the proper method of mounting to make sure the ALEC is grounded Figure 2 1 Proper Mounting and Grounding Method 10 AWG to Ground Bus ALEC Mounting Tab Ground Lug c Internal Star Washers Size 1 4 20 or M6 Hardware Tapped Hole Minimum of 3 Threads Te Metal Panel Must be connected to earth ground Scrape paint off panel to insure electrical connection between chassis and grounded metal plate Connecting the ALEC Before attempting to use the ALEC the Mode configuration AxisLink Address and DIP switches on the front panel must be set as required Publication 4100 5 3 June 1999 14 Installation amp Hook Up Wiring the ALEC Publication 4100 5 3 June 1999 See the Setup Chapter in this manual for instructions on setting these switches The following section details how to wire the e AxisLink cable Incremental Encoder Registration Input e Power connector Fault Relay There are several connectors on the front of the ALEC Th
23. cific information required by EN 61131 2 see the appropriate sections in this publication as well as the Allen Bradley publication Industrial Automation Wiring and Grounding Guidelines For Noise Immunity publication 1770 4 1 This equipment is classified as open equipment and must be mounted in an enclosure during operation to provide safety protection Preface Chapter 1 Chapter 2 Table of Contents Read This Manual Read This Maul seu ud paia Pu S eoe ARS d 1 Who Should Use this Manual aude rates ut e rg 1 Purpose of this Manual 1 Safety Prec tions za trem area et epar e Ee Pet Chen 2 TSO LOY LR criar Paese Dok e Co s Dat ER E ote 3 Common Techniques Used in this Manual 4 ALEC Product Receiving and Storage Responsibility 4 Allen Bradley Support faida ER ET IE 3 Om te Webs uva Ati o e ete eut tig o ia 5 Overview ALEC DescripUOt x dak ee ea PE fetes e 7 ALEC Beatutes jua ebd inde ebete 7 ALEC Mechanical Specifications Li 8 Installation amp Hook Up Chapter Objectives eu aspe Mk REO Ea 11 Insralbgo the ALEG exon ques abe aer Od E HM CE fed 11 Complying with European Union Directives 11 EME OCCU HT 12 Mounting th e ALEC ore a don e ab a Ul a o K 12 Connecting the ALEC 13 Witinerthe SLE eque at dfe ao qd e dr ed p PACA 14 Wiring Cable Flying Leads to the Plugs 14 Connecting AXISLINK cu oper ERST XPUYES EAT 15 Connecting the Encoder
24. cond second Cable Type AB 1770 CD RIO Belden 9182 or Belden 9463 or equivalent equivalent Cable Length 3 feet to 85 feet 1meter to 25 meters 3feetto 410 feet 1meter to 125 meters Equivalent Circuit Diagrams Table A 10 AxisLink Specifications Specifications Maximum Number of Nodes Descriptions Standard Length 8 with Standard Address 16 with Extended Address Specifications Descriptions Extended Length 8 with Standard Address see table in Extended Versus Standard AxisLink in the Setup chapter of this manual Addressing User selectable address via rotary selector switch use only 0 7 User selectable address via rotary selector switch use 0 F Number of Virtual Master Axes per ALEC 1per ALEC 2 4maximum total maximum total on Axislink on Axislink Type of Virtual Master Axis Actual Actual Slave Axes Standard 8 with Standard Addressing 28 Address see maximum per table in ALEC virtual Extended Versus master axis 4x Standard 7 on motion AxisLink in the controllers 28 Setupchapter of Extended this manual Addressing 60 maximum 4 x 15 60 Number of Discrete 1 0 0 0 The following diagrams detail the equivalent circuits for the Encoder Input and the Registration Input IMPORTANT The following diagrams are equivalent circuit models NOT the actual circuits Publication 4100 5 3 June 1999 46 Specifications
25. d by the motion controllers as a master axis in electronic gearing cam lineshaft and synchronization applications The ALEC has the following features Plug and Play no software setup required e Single 18 36V DC power input with reverse voltage protection makes installation and hookup easy Isolation of all external connections from the microprocessor logic for reliable performance e 4MHz maximum feedback count rate allows high speed operation without sacrificing resolution Optically isolated high speed position registration input for position synchronization and registration applications Interfaces directly to Allen Bradley 1394 GMC System and S Class Compact motion controllers Normally Open status output Bicolor LED status indication Pre engineered encoder cable assemblies available A rugged steel case for greater protection The case has pre drilled mounting tabs The ALEC is based on an 80C31 microprocessor running at 16MHz A CPU watchdog circuit with front panel LED indicator CPU OK is provided for fault indication and connection to a Normally Open Fault Relay Publication 4100 5 3 June 1999 8 Overview ALEC Mechanical Specifications 285 75 mm 11 25 in Publication 4100 5 3 June 1999 Use 1 4 20 or M6 bolt typical 2 places The optically isolated encoder input accepts 5 Volt differential quadrature signals from standard incremental encoders 5V and 12V DC are
26. e ALEC can result in erratic behavior in other attached control devices This can create a dangerous situation for both the machine and the operator AxisLink Fault The ALEC indicates AxisLink faults by a RED AL LED In a fault condition there have been at least 256 link errors and AxisLink has shut down If this condition occurs the ALEC must be reset by pressing the Reset button on the front panel or cycling power Before pressing the Reset button or cycling power make sure that all applications that may be affected are stopped AxisLink Failing When the AL LED flashes Red and Green AxisLink is in danger of going offline This situation indicates that there have been at least 96 link errors and is in danger of shutting down This is usually caused by an intermittent cabling problem excessive noise improper cable termination or a failing AxisLink module When this situation occurs AxisLink is still working but it could fail at any time If the application program in a motion controller on AxisLink is not running that motion controller attempts to re establish the failing links It is possible that the failing condition can be corrected by itself if the source of the problem is corrected in time If the application program is running the controller does not attempt to re establish the failing links this must be done by the fault handling routine in the program If the failing links do not correct themselves you may hav
27. e to shut the application down Care should be taken to end the session before it moves to a fault state and shuts down on its own Bring your session to a safe stop and check the cabling noise levels and AxisLink module before continuing Call Tech Support if you have problems determining the cause of the failing situation Fault Indication amp Control Status 39 No Fault A green AL LED indicates AxisLink is running properly This is the normal condition after power up and while the link is working Table 4 1 AL LED Status Indicators AL LED Status Condition RED AxisLink Fault At least 256 link errors AxisLink Shuts Down FLASHING RED AxisLink Failing At least 96 link errors GREEN AxisLink is in danger of faulting GREEN System OK Normal State CPU OK The CPU OK LED is provided on the front panel of the ALEC to visually monitor the state of the microprocessor This LED should remain lit when under normal operation and goes out when the CPU enters a fault condition Encoder OK LED The Encoder OK LED monitors the signal from the incremental encoder connected to the ALEC When the encoder is working normally the LED is lit It goes out when the encoder signal is lost signifying an Encoder fault If DIP switch 3 Encoder Fault is in the ON position a loss of signal de activates the Normally Open Fault Relay IMPORTANT The Encoder OK LED is not latched This means that LED does not have to be rele
28. er when AxisLink is selected If you are setup for Standard AxisLink you can only set the AxisLink Address switch to a number between 0 and 7 If you are setup for Setup 29 Extended AxisLink then the ALEC can make use of any of the settings available on the AxisLink Address rotary switch IMPORTANT In Standard AxisLink only switch settings 0 through 7 are available for use Selecting the Options Configuration Located on the front panel of the ALEC are 6 DIP switches for setting the operating options These six DIP switches determine the way the ALEC operates The DIP switches determine supply voltage to the encoder sets extended or standard addressing nodes enables disables the encoder loss fault relay sets extended or standard AxisLink cable length sets Termination 1 to extended or standard length sets Termination 2 to extended or standard length Encoder Power 12V 5V The first DIP switch 1 sets the Encoder power to either 12V DC or 5V DC Move the switch all the way to the left for 12 volts or all of the way to the right for 5 volts This setting should match the voltage power requirement of the attached encoder ATTENTION DIP Switch 1 must be set to the voltage power 12V or SV requirement of the attached encoder Extended Nodes Extd Node On Off DIP Switch 2 sets the available nodes in AxisLink If Extended Nodes is On switch set to left extended AxisLink is used with 16 node addresses available
29. eries C ALEC Series C to to series D Contains tables for comparing the ALEC Series D differences between the two series Related Documentation The following documents contain additional information concerning related Allen Bradley products To obtain a copy contact your local Allen Bradley office or distributor For Read This Document Document Number Programming Allen Bradley motion controller with GML GML Commander User Manual v4 01 GMLC 5 1 GML Commander Reference Manual v4 01 GMLC 5 2 Instructions for installation and set up for the 1394 GMC 1394 Digital AC Multi Axis Motion Control 1394 5 0 system System User Manual Instructions for installation and set up for the S Class IMC S Class Compact Motion Controller 999 122 Compact motion controller Installation and Set up Manual An article on wire sizes and types for grounding electrical equipment National Electrical Code Published by the National Fire Protection Association of Boston MA An article on wire sizes and types for grounding electrical equipment European standards BS EN 60204 Electrical Machines Equipment of Published by British Standards Institute A complete listing of current Allen Bradley documentation Allen Bradley Publication Index SD499 including ordering instructions Also indicates whether the documents are available on CD ROM or in multi languages A glossary of industrial automation terms and abbreviations
30. ese connectors accept the cables from AxisLink 3 pin the Encoder 12 pin the Registration Sensor 3 pin the power supply top 2 pins of the 4 pin connector and a Fault Relay bottom 2 pins of the 4 pin connector All but the Encoder connector use flying leads to attach to the connector The following section details how to connect the flying leads to the screw terminals on the plugs Wiring Cable Flying Leads to the Plugs To wire the cable leads to the plug 1 Look at the plug to make sure the terminal is open Figure 2 2 shows both an open and a closed terminal Figure 22 Terminal diagram Terminal open Clamping screws Terminal closed Installation amp Hook Up 18 Table 2 1 Terminal Steps If the terminals are Do this Not open Go to step 3 Open Go to step 4 2 Using a small flat head screwdriver turn the clamping screw counter clockwise several times 3 Using a proper stripping tool strip the wire insulation back on the cable lead IMPORTANT All terminals accommodate a maximum of 14 gauge wire 4 Trim the cable lead so that 0 275 inches of metal wire is exposed 5 Insert the cable lead in the appropriate terminal Refer to the proper figures for their locations 6 Use the screwdriver to tighten the clamping screw to the proper torque 0 25 N m 2 2 in lb 7 Verify that the cable lead does not pull out of the terminal Table 2 2 Cable Leads If the
31. face IC 26LS33 or equivalent Supported Encoder Devices RS422 5V DC line driver outputs with or without marker Supported Allen Bradley Encoders 845F SJx714 xxYx 845F SJxZ24 XxYx 845H SJxX1 4 Xx Yx 845H SIxx24 xXYx 845K SAXZ14 xxY3 845K SAXZ24 xxY3 845P SHC14 xx3 845T xx12Exx 845T xx19Exx 845T xx42Exx 845T xx43Exx Decode Mode 4X Quadrature Maximum Encoder Frequency 4 000 000 counts per second 1MHz Publication 4100 5 3 June 1999 44 Specifications Publication 4100 5 3 June 1999 Specification Encoder Minimum Voltage Table A 8 Encoder Input Specifications Description 3 0V differential A AV B B Input Impedance see Encoder Input Equivalent Circuit diagram figure A 6 Encoder Power 5V DC or 12V DC 4 at 0 5A maximum available from ALEC Specification Number of Registration Inputs Table A 9 Registration Input Specifications Description 1 Axis0 Input Type Optically Isolated floating Operating Voltage 24V DC to 28V DC 5V DC to 10V DC resistive at 24V Input ON Current 2 5mA minimum Input OFF Current 0 4mA maximum Input Impedance 2kQ resistive at 5V 8 8kW 2 put Response Time Tu second maximum Table A 10 AxisLink Specifications Specifications Descriptions Descriptions Standard Extended Length Length Baud Rate 1 megabit per 500 kilobit per se
32. fault 39 Fault Relay 24 faults AxisLink faulted 38 Features 7 Fuse 33 I Installing the ALEC 11 Mode rotary switch 47 Mode Settings Allen Bradley 845 Encoders 31 Mounting the ALEC 12 N No Fault 39 P Pin Functions Power Supply 23 Power Connector 22 Powering the ALEC 33 Product Receiving and Storage Registration Input 21 Registration Input Equivalent Circuit 46 Related Documentation 3 Resetting the Encoder Mode 49 Rotary Switches AxisLink Address 28 Operation Mode 27 Setting 27 S Selecting the Operation Mode 27 Specifications AxisLink 44 AxisLink Connector 42 DIP switches 41 Electrical 43 Publication 4100 5 3 June 1999 52 Index Environmental 43 Incremental Encoder Connector 42 Mechanical 42 mechanical 8 Mechanical Mode Rotary Switch Settings 41 Package 9 Registration Input 44 Specifications Encoder input 43 Summary of Changes AxisLink Address Rotary Switch 48 Encoder OK LED 49 Fault Relay 50 Mode Rotary Switch 47 Physical Dimensions 47 Publication 4100 5 3 June 1999 Support Allen Bradley Support 5 Allen Bradley 5 Local Product Support 5 local product 5 Technical Product Assistance 5 technical product assistance 5 support On the Web 5 W Wiring Cable Flying Leads 14 World Wide Web site 5 www rockwellautomation com Power Control and Information Solutions Headquarters Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204
33. for use If it is in the Off position switch set to right standard AxisLink is used and only 8 node addresses are available for use Publication 4100 5 3 June 1999 30 Setup Publication 4100 5 3 June 1999 Encoder Fault Enc Fault On Off This DIP switch number 3 enables or disables the encoder fault When the switch is in the On position switch set to lefD Encoder Fault is enabled This means that when the ALEC detects a loss of encoder signal the Encoder OK LED goes off the CPU OK LED goes off and the Fault Relay is opened If the switch is in the Off position switch set to the right the Encoder fault is disabled When a loss of encoder signal is detected the Encoder OK LED goes off but the CPU OK LED and the Fault Relay are not affected Extended Standard Length Extd Length On Off DIP Switch 4 determines whether the AxisLink cable that the ALEC is connected to can be 410 feet 125 meters or only 82 feet 25 meters AxisLink in standard length mode sets the maximum total length of the cable at 82 feet 25 meters When AxisLink is in extended length mode the ALEC can be connected to an AxisLink cable with a total maximum length of 410 feet 125 meters In either mode the minimum cable length between any two modules must be at least one meter Extended Standard Length Termination 1 Extd Term1 On Off DIP switch 5 sets Termination 1 internal resistor to either extended or standard mode In the On position sw
34. fuse make sure it is of the proper rating IMPORTANT Before powering the ALEC make sure that it has been properly installed and configured according to the instructions contained in this manual Publication 4100 5 3 June 1999 34 Setup ALEC With GML Commander Publication 4100 53 June 1999 The ALEC is used with a GML Commander configured for AxisLink or Extended AxisLink Before Commander can download a diagram to the ALEC the Mode rotary switch must be set to the same servo update rate as any motion controllers or other ALECs connected to the same AxisLink cable The AxisLink Address rotary switch on the ALEC must be set and the proper settings must be in place on the ALEC s DIP switches See the sections in this chapter that pertain to these switch settings The ALEC must be connected to the AxisLink cable Once these are done GML Commander must be configured for AxisLink and the address for the ALEC entered on the AxisLink page of the Configure Control Options screen For more detail about the individual steps see the GML Commander Reference Manual publication number GMLC 5 2 the Using AxisLink chapter Adding the ALEC to your Commander AxisLink Configuration To add the ALEC to AxisLink and enable it to receive instructions from a GML Commander diagram do the following 1 Connect the ALEC to the AxisLink cable 2 Set the Mode rotary switch to the servo update frequency that matches the other devices on
35. he registration input requires 2 5 mA at 5V DC or 24V DC to operate If you are using a current sinking proximity switch registration sensor or active low encoder marker connect it to the ALEC and an appropriate power supply as shown in the following diagram IMPORTANT Do not use the relatively noisy machine 24V power supply for the registration input For best results use a separate power supply just for the registration sensor Figure 2 5 Current sinking Registration Sensor Power Supply Current sinking Registration Sensor Use 5V terminal and 5V power supply for 5V sensors Use 24V terminal and 24V power supply for 24V sensors Recommended cable is Belden 9501 or equivalent If you are using a current sourcing proximity switch registration sensor or active low encoder marker connect it to the ALEC and an appropriate power supply as in the following diagram Publication 4100 5 3 June 1999 Installation amp Hook Up 21 Figure 2 6 Current sourcing Registration Sensor Current sourcing Registration Use 5V terminal and 5V power supply for 5V sensors Use 24V terminal and 24V power supply for 24V sensors Recommended cable is Belden 9501 or equivalent The connections shown in the figures are typical Since input devices vary in their specific connection please consult the wiring diagram for your registration device to determine the exact connections Using the Registration Input Since the
36. inspecting the equipment before accepting the shipment from the freight company Check the item s you receive against your purchase order If any items are obviously damaged it is your responsibility to refuse delivery until the freight agent has noted the damage on the freight bill Should you discover any concealed damage during unpacking you are responsible for notifying the freight agent Leave the shipping container intact and request that the freight agent make a visual inspection of the equipment Allen Bradley Support On the Web Preface 5 Leave the product in its shipping container prior to installation If you are not going to use the equipment for a period of time store it in a clean dry location within an ambient temperature range of 0 to 85 C 32 to 185 P within a relative humidity range of 596 to 9596 non condensing in an area where it cannot be exposed to a corrosive atmosphere in a non construction area Allen Bradley offers support services worldwide with over 75 Sales Support Offices 512 authorized Distributors and 260 authorized Systems Integrators located throughout the United States alone plus Allen Bradley representatives in every major country in the world Local Product Support Contact your local Allen Bradley representative for sales and order support product technical training warranty support e support service agreements Technical Product Assistance If you need to co
37. ion Mode The Mode selector switch on the front panel of the ALEC selects the axis position update rate the periodic rate at which the ALEC can broadcast encoder position information onto the AxisLink communication network The mode switch is a 16 position rotary switch Select an axis position update rate that is the same as the motion controller s servo rate For example If your motion system servo rate is 500Hz select position 4 on the mode switch with a small flat head screw driver At this setting the ALEC updates position information 500 times per second Publication 4100 5 3 June 1999 28 Setup Publication 4100 5 3 June 1999 ATTENTION The update rate for the ALEC must match the servo rate for the motion controller The following table lists the switch setting and its accompanying frequency IMPORTANT Switch positions 8 through F are reserved by Allen Bradley for future use Table 3 1 ALEC Operating Modes Mode Servo Position Update Rate 0 250Hz 1 300Hz 2 350Hz 3 400Hz 4 500Hz 5 700Hz 6 850Hz 7 1000Hz 8 F RESERVED Selecting the AxisLink Address The AxisLink Address rotary switch on the front panel of the ALEC selects the node number that is used by GML Commander It is a 16 position rotary switch that identifies the address of the ALEC for the other devices on AxisLink This number is entered at the Configure Virtual Axis dialog in GML Command
38. itch is to the left extended length termination is selected In the Off position switch is to the right standard length termination is set Extended Standard Length Termination 2 Extd Term2 On Off DIP switch 6 sets whether Termination 2 internal resistor to either extended length or standard length mode In the On position switch is to the left extended length termination is selected In the Off position switch is to the right standard length termination is set DIP Switches 4 5 and 6 must be set to the same position ENTION m They must all either be set to Extended or to Standard Setup 31 Extended versus Standard AxisLink AxisLink has two modes of operation Standard and Extended In standard mode the maximum AxisLink cable length for the connected modules is limited to 85 feet 25 meters In extended mode modules can be connected as needed on the AxisLink cable for up to 410 feet 125 meters The number of modules that can be connected to AxisLink is limited to 8 in standard addressing mode where in extended addressing mode 16 modules may be connected Table 3 2 AxisLink Cable Length and Node Combinations Extended Extended Maximum Maximum Standard Standard Cable Length Number of Length Address Nodes Standard Standard 25 meters 8 82 feet Extended Standard 125 meters 8 410 feet Extended Extended 125 meter 8 410 feet Extended Extended 100 meters 12 328 feet Extended Extended 75 meter
39. mination 1 Standard Length Termination 1 6 Extended Length Termination 2 Standard Length Termination 2 Publication 4100 5 3 June 1999 42 Specifications ATTENTION DIP Switches numbered 4 5 and 6 must all be set to the same position Table A 3 AxisLink Connector Pin location Standard Extended Length Length Top Blue Black Middle Shield Shield Bottom Clear Yellow Table A 4 Incremental Encoder Connector Z Z B A A Common Shield Reserved Chassis Reserved Reserved Table A 5 Mechanical Specifications Specification Enclosure Type Description Steel case with integral mounting tabs Enclosure Size 300 23 x 130 175 x 48 26 mm 11 8 x 5 125 x 1 9 in Publication 4100 5 3 June 1999 Specifications 43 Table A 6 Environmental Specification Specification Description Operating Temperature 0 to 50 C Storage Temperature 40 to 85 C Humidity 95 non condensing 50 C Table A 7 Electrical Specifications Specifications Descriptions Power Input 18 36 Volts DC 12 Watts maximum Fuse 2A Slow Blow 1 4 x 1 1 4 Protection Reverse voltage via front panel fuse Table A 8 Encoder Input Specifications Specification Number of Encoder Inputs Description 1 Type of Encoder Input Incremental AB quadrature optically isolated differential with marker channel EIA RS422 Encoder Inter
40. mponent damage or a reduction in product life Wiring or application errors such as undersizing or inadequate DC supply or excessive ambient temperatures can result in a malfunction The ALEC contains ESD Electrostatic Discharge sensitive parts and assemblies Static control precautions are required when installing testing servicing or repairing this assembly Component damage can result if ESD control procedures are not followed If you are not familiar with static control procedures refer to Allen Bradley publication 8000 4 5 2 Guarding Against Electrostatic Damage or any other applicable ESD Protection Handbook Contents of this Manual Preface 3 Chapter Title Contents Preface Describes the purpose background and scope of this manual Also specifies the audience for whom this manual is intended 1 Overview Provides a general description of the ALEC its features and mechanical specifications 2 Installation amp Provides the steps needed to successfully Hookup mount and wire the ALEC to an incremental encoder and the AxisLink cable 3 Set Up Provides the guidelines for setting up and configuring the ALEC 4 Fault Indication amp Provides information on fault and status Control Status indicators and types of faults Appendix A Specifications Provides physical electrical environmental and functional specifications for the ALEC Appendix B Upgrading From Provides a summary of changes from s
41. ntact Allen Bradley for technical assistance please review the information in this manual first Then call your local Allen Bradley representative For the quickest possible response we recommend that you have the catalog numbers of your products available when you call See the Related Documentation section of this chapter for the publication numbers of other manuals that can help with this product The Rockwell Automation Technical Support number is 1 603 443 5419 For information about Allen Bradley visit the following World Wide Web site http www ab com Publication 4100 5 3 June 1999 Preface 6 Publication 4100 5 3 June 1999 Chapter 1 ALEC Description ALEC Features Overview The ALEC is a single axis AxisLink Encoder Converter which interfaces a single incremental encoder to Allen Bradley IMC S Class motion controllers via AxisLink As such it provides a master encoder input for IMC S Class motion controllers or 1394 GMC systems without the need to sacrifice a full servo axis for use as a master encoder input The ALEC also allows easy remote location of the master encoder for connection to an existing machine AxisLink is an IMC S Class option which links multiple motion controllers and ALECs to provide real time axis coordination between their axes in distributed multi axis systems The ALEC encoder appears to the AxisLinked IMC S Class motion controllers as a virtual axis This virtual axis can be use
42. om two pin locations on the O Power Input Fault Relay Connector Start Stop t 56 oralo ory HS 3 CRT Hemen CR1 Installation amp Hook Up 25 A typical fault detection scheme may require additional circuitry when used in applications where the ALEC fault contacts do not have sufficient capacity to drive a fault detection circuit directly Publication 4100 5 3 June 1999 26 Installation amp Hook Up Publication 4100 5 3 June 1999 Chapter J Chapter Objectives Setting the Rotary Switches Setup The ALEC is used in conjunction with the 1394 GMC System or the S Class Compact motion controller and an encoder It is not a stand alone product and must be configured to work with the hardware connected to it This involves specific steps that are determined by the make and model of the hardware connected to the ALEC This manual assumes that the GML Commander v4 01 or higher software is used This chapter covers Setting the Mode rotary switch e Setting the AxisLink Address rotary switch e Setting the DIP Switches Powering the ALEC Configuring the ALEC with the GML Commander software Compatible Allen Bradley Encoder settings There are two rotary switches located on the front panel of the ALEC These are used for setting the Mode frequency and AxisLink Address node You must set these switches before powering the ALEC Selecting the Operat
43. onnector Common 18 36V DC OOo IMPORTANT Anchor the cable so that no more than 2 feet of cable is left unsupported The excessive weight of an unanchored cable could pull the plug out of the connector If you reverse the power supply connections the power supply fuse on the front paneD blows protecting the ALEC from damage Make Publication 4100 5 3 June 1999 24 Installation amp Hook Up Start Stop String Fault String Publication 4100 5 3 June 1999 sure you correct the wiring before replacing the fuse with a 2A Slow Blow 1 4 x 1 1 4 fuse of the same type for continued protection ATTENTION Do not apply power to the ALEC until the Mode switch is set correctly and all other connections have been made Fault Relay To provide safe operation opening the fault string if a fault occurs or power to the ALEC is lost the fault relay outputs must be connected appropriately The fault relay N O contact is held energized when the ALEC has not detected a fault The Fault Relay provides one normally open status that is voltage free and isolated from the ground The following diagram is an example of a Normally open Fault relay This is an example only it is neither a recommendation nor an endorsement You know your application best and can best determine your own needs for a Fault Relay Figure 2 9 Example of a Normally Open Fault Relay DC 24V DC The ALEC Fault Relay uses the Common O bott
44. ropean Union Directives Chapter 2 Installation amp Hook Up Read this entire chapter before beginning to mount connect or wire any of the components to the ALEC It is the responsibility of the installer to see that the installation conforms to the directions in this manual and local codes and procedures This chapter covers the following topics European Union Compliance Mounting the ALEC Connecting AxisLink Connecting the Encoder Allen Bradley Encoders Connecting a Registration Sensor Using the Registration input Wiring the power supply Wiring a Normally Open Fault Relay The ALEC is designed to mount in an electrical cabinet using the flanges on its back panel This installation method should be observed for all applications Before powering the ALEC make sure it has been configured correctly and that the encoder and AxisLink cable are connected to it correctly ATTENTION Do not attempt to make any electrical connections to the ALEC while power is applied Doing so risks damage to the ALEC external components and your health The information contained in this document pertains to the AxisLink Encoder Converter ALEC an Allen Bradley product If the ALEC is installed within the European Union or EEA regions and has the CE mark the following regulations apply Publication 4100 5 3 June 1999 12 Installation amp Hook Up Mounting the ALEC Publication 4100 5 3 June 1999
45. s 16 246 feet The maximum values for both AxisLink cable length and eee the number of available Address nodes with both Extended Length and Extended Node selected were determined under controlled test conditions These values may vary due to field conditions Allen Bradley cannot guarantee these optimal values under field conditions Allen Bradley 845 Encoders If you are using and Allen Bradley 845 series incremental encoder use the following table to determine the proper setting of the Mode Switch and DIP Switch 1 Publication 4100 5 3 June 1999 32 Setup Publication 4100 5 3 June 1999 Table 3 3 Alec Modes for Use with Allen Bradley Encoders For Allen Bradley Set Mode Switch Set DIP Switch 1 Encoder Model to for Encoder Voltage 845F SJxZ14 xxYx 0 7 EV 845F SJxZ24 xxYx 0 7 12V 845H SJxx14xxyx 0 7 5V 845H SJxo24xxYx 0 7 12V 845K SAXZ14 xxY3 0 7 EV 845K SAXZ24 xxY3 0 7 12V 845P SHC14 xx3 0 7 EV 845T xx12Exx 0 7 5V 845T xx19Exx 0 7 5V B45T xx42Exx 0 7 12V B45T xx43Exx 0 7 12V ATTENTION Select the proper Mode and DIP Switch settings before applying power to the ALEC to avoid encoder damage A Encoders in a given family not shown in the above table IMPORTANT IMPORTANT are NOT compatible with the ALEC and should not be used The correct mode must be selected before applying power to the ALEC and before connecting the encoder otherwise an
46. the same cable 3 Select the address for the ALEC on the AxisLink Address rotary switch This node number must be entered on the AxisLink page of Configure Control Options 4 Set the DIP switches for use with Extended or Standard AxisLink 5 Power the ALEC 6 In the GML Commander software enable AxisLink at the Interfaces page of Configure Control Options screen You can select Extended AxisLink at this time 7 Select the AxisLink Tab to access the AxisLink page of Control Options Select the address of the control device to receive the downloaded diagram 8 Select the remote devices from which to receive information 9 Select OK Setup 35 10 Download the diagram IMPORTANT AxisLink is not enabled until the diagram is downloaded Once AxisLink is enabled the AL LED should be green If the AL LED is red reset the ALEC by pressing the Reset button on the front panel of the ALEC box If the AL LED stays red after re setting check the cabling and termination to make sure all of the wiring is done properly If it remains red call Allen Bradley Technical Support For more information on AxisLink and how to use it with the ALEC see the Using AxisLink chapter of the GML Commander Reference Manual publication 4100 5 3 Publication 4100 53 June 1999 36 Setup Publication 4100 5 3 June 1999 Chapter Chapter Objectives AL LED Fault Indication amp Control Status This chapter covers
47. ve Frequency Values Switch Setting ALEC Series C ALEC Series D 0 1000 Hz 250 Hz 1 1000 Hz 300 Hz 2 700 Hz 350 Hz 3 700 Hz 400 Hz 4 500 Hz 500 Hz 5 500 Hz 700 Hz 6 350 Hz 850 Hz 7 350 Hz 1000 Hz 8 250 Hz Reserved Publication 4100 5 3 June 1999 48 Upgrading From ALEC Series C to Series D Publication 4100 5 3 June 1999 Table B 1 Comparative Frequency Values Switch Setting ALEC Series C ALEC Series D 9 250 Hz Reserved A F Not available Reserved The Mode switches in the Series D no longer control the encoder power output voltage The Encoder Output voltage is now controlled by the position of DIP switch 1 See the section on DIP switches in the Setup chapter of this manual AxisLink Address Rotary Switch The AxisLink Address rotary switch has been changed from a 10 position switch to a 16 position switch The additional settings are for accommodating the increased addresses that become available when you are in Extended node AxisLink Earlier version of the ALEC did not support the Extended Node AxisLink The DIP switch 2 determines whether AxisLink is in Extended or Standard Node When in Standard Node only rotary addresses 0 7 are available for use When it is in Extended Node the settings 0 F are available for use DIP Switches The ALEC series D has added a bank of DIP switches These were not available in the series C They change the way in which you configure the ALEC
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