10000035052 - Rockwell Automation
Contents
1. Analog model offers either 4 20 mA or 0 10V output proportional to target height width or position Basic models offers single discrete output for use in on off applications O model features teach button for setting up four height zones with individual outputs RS485 and CAN communication models provide extra functionality including Connection to RS485 or CAN networks by model Detailed height information Individual beam status Allen Bradley Rockwell Software Specifications Environmental Certifications cULus and CE Marked for all applicable directives Operating Environment Housing IP54 terminal strip IP20 0 55 32 131 25 70 13 158 Operating Temperature F Storage Temperature C F Relative Humidity 15 95 Optical LED Indicators Alignment target present outputs inputs power Electrical T 24V DC 15 20 4 27 6V max 9 ripple 5 lt 300 mA with max no of beams to controller outputs Current Consumption not connected EN 61000 4 2 EN 61000 4 4 and Sensor Protection EN 61000 4 5 short circuit SCP reverse polarity and overload Outputs Response Time See the Response Time section on the next page Output Type NPN and PNP push pull output Output Mode Dark operate when connected as PNP Output Current 150 mA max each Input Tvpe Sinking or sourcing jumper selectable default is for pus 3P connection to PNP output Mechanical Housing Ma2. D14 LED D4 LED Out 2 S Pot 2 D13 LED e D6 LED In 2 EI Pot 1 _ 347 D5LEDIni e bho on T D12 LED PU e 2 Qut2 D11 LED m A Mi D10 LED un N Removable e E paa In 2 Spring Loaded Pu RY Connector SEC 3 In 1 gt ETT Earth wey Input e 24 VDC PNP Logic e 1 v 0VDC D7 LED Power 3 Ing Jumpers NPN J2 WHS Figure 5 Model This model of the controller extends the functionality of the 45MLA to offer four additional output signals as well as a teach function These outputs can be allocated to specific zones or single beams on the light array Pin Listings The allocation of pins on the main connector J2 is specified below DIP switch 1 7 0 DIP switch 51 7 1 e DIP switch 1 7 0 DIP switch 51 7 1 5 OV DC overhan 24V DC no in Or over height special function Table 12 J2 Pin Listings Rockwell Automation The allocation of pins on the I O extension is described below Pin ov DC 24V DC 1 Zone Z1 interrupted Zone Z1 not interrupted Zone Z2 interrupted Zone Z2 not interrupted Zone Z3 not interrupted Zone 73 interrupted Zone 74 interrupted Zone 74 not interrupted Uv oO oO oO oO 92 Un gt 99 Table 13 J14 Pin Listings LED Indicators The following table describes LED statuses for LED s D10 through D14 present on the I O extension PCB ie
3. sam Mans Off Out 3 OFF 0 VDC D10 Zone 1 Out 3 ON 24 VDC Out 4 OFF 0 VDC D11 Zone 2 Out 4 ON 24 VDC Out 5 OFF 0 VDC D12 Zone 3 Out 5 ON 24 VDC Off Out 6 OFF 0 VDC D13 Zone 4 Out 6 ON 24 VDC Off Teach inactive D14 Teach Flashing Teach in progress Last teach step Table 14 I O Board LED Descriptions DIP Switch Settings DIP switches 1 through 6 on the S1 DIP switch array are configured for the various applications described below If no information is otherwise provided these DIP switches should remain in the OFF position DIP switch 7 is used to configure the overhang mode see user manual for further information and DIP switch 8 is used to reset default configuration Note that once changed DIP switch settings are only recognized after a power cycle Table 15 details DIP switch settings for the I O board Please refer to the Programming Guide for further information on the listed functions Allen Bradley Rockwell Software DIP Switch S1 0 OFF 1 ON X not relevant rncion was Standard beam counting direction X 0 Reverse beam counting direction 0 Output logic default Y Y Y Y Y Y active low Overhang monitoring Overhang monitoring with trigger Y Y 0 sensor a ppp pp pp Table 15 Board DIP Switch Settings Default Parameters Table 9 lists the default values for each of the parameters dis
4. 0 Terminating resistor 4 wire ON 1 Table 21 DIP Switch Array S2 Settings for 2 Wire default 4 Wire Communication on extension PCB 11 Allen Bradley Rockwell Software Functional Description CAN Model e29srez OFF N 5 pee UNT RAS Connector D8 LED D10 LED gi RJ45 Connector cpi a OH W Receiver CAN D3 LED Out 1 om Pot 2 ON D4 LED Out 2 J A N D6 LED In 2 Om m Pot 1 D5 LED In 1 Outi 74 Out2 e amp In 1 1 Removable e 5 n2 Spring Loaded e input Connector 3 N 091 o e Earth pers S i 24 VDC O rt J2 m rw Figure 8 CAN Board with Pin Locations Teach Button The allocation of pins on the main connector J2 for use with the CAN controller model is described below wx s 5 Trigger and hold See User Manual 0V DC interrupted 7 Light array interrupted 24V DC not interrupted OV DC overhang Or over height special function Table 22 J2 Pin Listings Rockwell Automation This extension PCB is equipped with two RJ45 connectors J12 and J13 forthe CAN interface The following table describes pin functions Pin SI Bl wt N 8 Signal CAN H CANL 0V DC Not connected Not connected Shield optional CAN GND optional CAN V optional Table 23 CAN Standard RJ45 Connection for J12 and J13 Electrical Connection The individ
5. Hex Offset to address 14 OE Hex Offset to address 15 OF Hex Baud rate CAN 125k Baud rate CAN 250k Baud rate CAN 500k Baud rate CAN 1M Standard CAN mode Extended CAN mode gt SO gt X X X X X gt Set default configuration Table 25 DIP Switch Array S1 Setting ELE ERE bu e SEDE RI E See n Rad nd c Gd d Dod ad n s a Ste Aaa o esse elo es suis cese ess eene Rie e s Red n cd e n uo ed d dn icd RI Es d Ed d d m e us ers ad d ed d d Re sr Es E sd Ee Ea ad e ad Eu be e ed s bu ia s a d enc Hae E Re d ed d ad d d ad ad ub d d e d e cd d Rockwell Allen Bradley Rockwell Software Automation DIP switch number on array 2 Terminating resistor 135 OFF 0 Terminating resistor 135 2 ON 1 Table 26 DIP Switch Array S2 Settings extension PCB 0 OFF 1 ON X not relevant DIP 2 4 not used Default Parameters The termination resistor must be set according to the CAN architecture in each application and can be switched on through use of switch 1 on DIP switch array 2 The baud rate and address offset can be set with DIP switch array S1 on the main PCB Table 20 lists the default values for additional parameters discussed above for both RJ485 and CAN models that can be reset by use of switch 8 on DIP switch array S1 followed by a power cycle Parameter Command 1C Hex Par 46 0 First beam cable side Beam counting mode Pitch fact
6. Loaded pu D16 LED 7 Connector s BS zt zn n WE npn Input 24VDC ar le e lt 0VDC D7 LED Power 3 Ing Jumpers AS NPN Figure 3 Analog Model The analog controller model offers either 4 20 mA or 0 10V current or voltage selectable via DIP switch output proportional to target height width or position The output is automatically scaled to the length of the connected arrays so most applications do not require additional adjustments A teach button is available for applications that require customized scaling of the output Allen Bradley Rockwell Software Pin Listings The allocation of pins on the main connector J2 is specified below i DIP switch 51 3 0 DIP switch 1 3 1 OV DC error me Table 6 J2 Pin Listings The allocation of pins on the I O extension PCB is described below Pin Signal Minimum Maximum 1 Out 4mA 20 mA je de Table 7 J15 Pin Listings LED Indicators The following table describes LED status for LEDs D15 and D16 present on the extension PCB D15 Teach Indicator Meaning Teach inactive Hashing Teach active Orange Last step of teach process V_out OFF 0V Start up ignore output over current or error D16 Analog Output Status i2 Brightness proportional to Green analog output o o Ce Table 8 Analog Board LED Descriptions DIP Switch Settings DIP switches 1 through 6
7. be ignored and turn the input IN one OFF The beams that are interrupted while In 1 changes from ON to OFF will determine the blanked zones The blanked zones can be reset with DIP switch eight or by doing the teach process again Notes on the teach process There cannot be any holes in a single blanked zone all of the beams must be interrupted to define the zone The first blanked zone is defined from the first interrupted beam to one less than the first beam that is not blocked Beam counting direction is determined by DIP switch six with the default standard beam counting starting from the cable end of the array If and only if the first blanked zone starts with Beam one a second blanked zone can also be set up The zone is defined as starting with the next interrupted beam after the first uninterrupted beam all the way to the end of the array regardless of which other beams are interrupted For best results confirm that all beams in the blanked zone are completely blocked Also if two blanked zones are being set up confirm that the first zone includes beam 1 based on the beam counting direction determined by DIP switch 6 Allen Bradley Rockwell Software Functional Description 1 O Model 84 96 OFF 2 D RJ45 Connector um J Jas lO Teach p D2LED Extension Push 9 0 D1LED 1 PCB Button RJ45 Connector FR q Receiver D3 LED Out 1
8. end of the teach process and the previous values are restored Rockwell Allen Bradley Rockwell Software Automation Functional Description RS 485 Comm Model 8 9stgz1 OFF D p RJ45 Connector ON Emitter D9 Error D8 Com Tx rezi OF Ss RS485 Extension PCB D3 LED Out 1 D4 LED Out 2 D6 LED In 2 D5 LED In 1 000000 DOL oO TD DD DD 4 4 V A 4 Removable Spring Loaded Connector v v 1 D7 LED Power 3 Ing Jumpers NPN Figure 6 RS485 Control Unit Extension PCB Pin Listings The allocation of pins on the main connector J2 for use with the RS485 controller model is described below B See User Manual 6 In 1 Not used EN m 8 24V DC no overhang Or over height special function Table 17 J2 Pin Listings The following table describes the connectivity of connector J16 the RS485 connection which is located on the extension PCB 3 Shielding Table 18 J16 Pin Listings 10 The following figure provides additional information on the impedances associated with each of the RS485 inputs 135 Ohm RS485 Driver Figure 7 Input Schematic of the RS485 Terminal LED Indicators The following table describes LED D8 and D9 on the RS485 extension PCB No communication ff D8 Data communication Green flashing Communication active D9 RS485 Error RS485 error Table 19 RS485 Controller LED Stat
9. steps below i Zone 1 When you enter the zone setup LED D10 and 014 will flash indicating that zone 1 is ready to be taught Place an object that represents the size of zone 1 into the light array s range Now press the teach button to estab lish the highest and lowest interrupted beams which will define zone 1 Zone 2 LED 011 and D14 will be flashing after step i indicating that zone 2 may now be taught As in step i place an object that represents the size of zone 2 into the light array s range and then press the teach button ii Zone 3 LED D12 and 014 will be flashing after step ii indicating that zone 3 may now be taught Again place an object into the light array s range to represent the size of zone 3 and press the teach button iv Zone4 LED D13 and D14 will be flashing indicating that zone 4 may now be taught Place an object into the light array s range to represents the size of zone 4 and press the teach button The LED D14 now remains on acknowledging that all parameters for the zones have been stored temporarily in memory 6 Complete teach To complete the teach process press and hold the teach button until LED D14 turns off approximately five seconds signaling the end of the teach process Note If it is desired to delete the new settings thereby restoring previously stored values instead of pressing and holding the teach button briefly press the teach button LED D14 turns off indicating the
10. Installation Instructions 45MLA Controller IMPORTANT SAVE THESE INSTRUCTIONS FOR FUTURE USE Description The Allen Bradley 45MLA light array controller drives the photoelectric elements in the light arrays which are essentially a series of transmitted beam pairs Five versions of the controller are available each offering a different communications platform that can be selected to function with a range of PLCs 45MLA controller analog model Cat No 45MLA CTRL ALG 45MLA controller basic model Cat No 45MLA CTRL BSC 45MLA controller I O model Cat No 45MLA CTRL 45MLA controller RS485 Cat No 45MLA CTRL 485 45MLA controller CAN Cat No 45MLA CTRL CAN The controller includes numerous application features allowing for customization to the many applications For instance the I O module can be used to configure up to four separate sensing zones with independent outputs and overhang over height detection The basic model has a single on off output for use in discrete applications The analog output model offers either a 4 20 mA current or O0 10V output proportional to target height width or position The network communication models RS485 and CAN can be used to communicate precise height readings and individual beam status Features External controller for 45MLA measuring light arrays Height measuring capability Fast reaction time and measurement speed e Configurable over height and overhang outputs
11. an also be restored by pressing the teach button repeatedly until the teach process is completed and LED D14 turns off and is not flashing e Default parameters can be reset through use of switch eight on DIP switch array S1 By default each zone is configured as 1 4 of the number of beams in the light array Step by Step Teach Function Guide 1 Start teach Press and hold the teach button for approximately five seconds until LED D14 begins flashing once every three seconds indicating that the unit is in teach mode 2 Blanked beams Check to confirm that any beams that will normally be interrupted blanked in the application are being interrupted Briefly press the teach button again the LED D14 now flashes twice approximately every three seconds indicating that any interrupted blanked beams are recognized Blanked beams are ALWAYS ignored No other beams or zones can be defined in the blanked beam areas It is only possible to define blanked beams above and below the detection area it is not possible to define blanked beams in between sensing zones The blanked area below the application towards Beam 1 must include Beam 1 and is defined as Beam 1 to fb offset Beam 1 must be blocked to set up a blanked area below the application detection area 3 Carrier zone Place the carrier pallet crate etc in the light array s field and briefly press the teach button again The LED D14 should now flash three times appro
12. aps on the side of the controller around the electrical cables After connecting the cable and placing the grommets mount the clear plastic cover using the screws provided e ae 829S5v zl OFF D RJ45 Connector ON Emitter Model Specific D1 LED Extension RJ45 Connector b Receiver D3 LED Out 1 D4 LED Out 2 E I Pot 2 e ur E n ar A gt L Out 1 el 7A cables 1 Removable XB In 1 NPN Spring Loaded 5 d uy Connector 8 2 PNP ogic 3 E E n C Jumpers gp Earth ELE 8 FE wc D7 LED Power J2 S 0VDC Figure 1 Controller This main board has two digital inputs and two digital outputs as well as power connections on the terminal connector The pin descriptions for this connector are listed in Table 1 Any additional connections to be made to the extension PCB are detailed in the model specific sections of this document Allen Bradley Rockwell Software Signal Description Power i Power Ground i Not connected 6 In 1 7 Model specific descriptions Table 1 Controller Terminal Connector Pin Allocation ATTENTION The ground connection ofthe 45 MLA and controller systems can be made either at the light arrays or the controller Do not ground both the arrays and the controller as that may create ground loops Functional Description All Models Response Time The measurement or response time T can be roughly calculated from the numb
13. cussed above that can be reset by use of switch 8 on DIP switch array S1 followed by a power cycle Parameter Default value beam no zc Carrier zone 1 1 oh Over height 1 1 211 Zone 1 Lowest beam 1 1 Z1H Zone 1 Highest beam n 4 4 221 Zone 2 Lowest beam z1H 1 21H 1 22H Zone 2 Highest beam 2n 4 2n 4 231 Zone 3 Lowest beam z2H 1 22H 1 23H Zone 3 Highest beam 3n 4 3n 4 Z4L Zone 4 Lowest beam z3H 1 23H 1 Z4H Zone 4 Highest beam n n Beam counting mode 0 first beam cable side Q n total number of beams in the light array Table 16 Default Parameters for I O Model Teach Process The teach function allows the user to configure the parameters for a number of functions by use of a push button on the extension PCB The following sections detail the parameters that can be taught to the sensor as well as the steps associated with this procedure Marte Protect the controller from ESD with proper grounding or shunting and the use of static control packaging and materials handling products Dissipate and neutralize by grounding ionization and the use of conductive and dissipative static control materials Rockwell Automation Before beginning this process Verify that the light array is mounted as it will be in the target application Turning the power OFF during any stage of the teach cancels the process restoring previously stored values e Previous values c
14. er intensity may be set to full power default setting 7596 of full intensity power 6096 or 1596 by using a combination of DIP switches 1 and 2 according to the above table It is possible to configure the Basic Controller to ignore short beam interruptions such as those caused by small particles passing through the detection area The double scan mode can be enabled by turning on DIP switch four and cycling power In this mode every beam is evaluated twice instead of once and only beams that are interrupted during both evaluations are recognized This allows very brief beam interruptions to be ignored The response time is increased When the double scan mode is enabled the minimum duration of detection can be made even longer with the use of potentiometer one This additional time delay can range from 0 3 3 seconds Teach Instructions The Basic Controller offer the ability to teach blanked zones which are not evaluated during operation The user can either configure blanked zones at one or both ends of the array for example if the arrays are too long for the application OR one blanked zone in the middle of the array if an area in the middle is too be ignored To activate the teach capability DIP switch three must be turned ON and controller power cycled to enable the remote teach Once the remote teach is enabled the teach process is initiated by turning the discrete input In one ON Interrupt the beams zones that are to
15. er of beams n the scan time per beam ts and the analysis time t4 Te ta NX ts n number of optical beams For ts and t4 the following approximate values can be assumed Model t4 ms 5 ts ms 5 45MLA CTRL ALG single scan mode default 0 13 45MLA CTRL ALG double scan mode 0 25 45MLA CTRL BSC single scan mode default 0 14 45MLA CTRL BSC double scan mode MS 0 25 ASMLA CTRL 0 275 ASMLA CTRL 485 0 275 ASMLA CTRL CAN 0 275 Table 2 Response Time Details Double scan mode can be set with the DIP switches on these models For example for a 600 mm array with a 10 mm beam spacing utilizing the model controller the response time is calculated as follows T 5 3 60 x 0 275 21 8 ms Rockwell Automation Input Logic The controller inputs are capable of accepting either NPN or PNP outputs The default setting is configured as a sinking input to connect to aPNP sourcing output In order to connect the input to an NPN output the jumpers In1 and In2 on the main PCB must be adjusted as described in Table 3 and Figure 2 Jumper Connect to PNP Output Default Connect to NPN Output In1 Input IN1 active high 24V Input IN1 active OV In2 Input IN2 active high 24V Input IN2 active OV Table 3 Input Logic as Described by Jumper Settings Figure 2 Input Logic Sinking Sourcing Is Defined by the Jumper Setting Output Logic The 45MLA controller uses push pull outputs tha
16. es should remain in the OFF position DIP switch 8 is used to reset default configuration Note that once changed DIP switch settings are only recognized after a power cycle The following table details DIP switch settings for the board Please refer to the user manual for further information on the listed functions DIP Switch S1 0 OFF 1 ON X not relevant Function Default setting Maximum emitter power 10096 Reduce emitter power 7596 of max gt lt gt lt Reduce emitter power 60 of max Reduce emitter power 1596 of max Enable remote teach Enable double scan filter Output logic Light Operate 24V PNP L 0 Dark Operate OV NPN 0 0 Output logic Light Operate OV NPN L 0 Dark Operate 24V PNP D O Standard beam counting direction Reverse beam counting direction Normal operation Set default Table 11 Basic Model DIP Switch Settings e gt Iele all A lem rl ele aa A eS e a DOEZEZEEREEZEEEZEZEZEIEE aa ww sw La puse gt lt Rockwell Automation The 45MLA is designed to work with a range of at least 4 m Asa result some translucent targets may not block enough light to be properly detected especially if the emitter and receiver arrays are placed closer together With the Basic Controller model it is possible to use DIP switches to decrease the emitter intensity therefore making it easier to detect translucent objects The emitt
17. evaluations are recognized This allows very brief beam interruptions to be ignored When using double scan mode the response time is increased Teach Instructions The analog output is automatically scaled to the length of the connected arrays If no beams are interrupted the analog output is at the minimum 4 mA or OV if the top last beam is interrupted in absolute position mode or all the beams are interrupted in relative size mode the analog output is at the maximum 20 mA or 10V with a straight line slope for conditions in between those states This means that most applications will not require teaching the device For applications that do require customized scaling of the output use the following teach steps Allen Bradley Rockwell Software Marie Protect the controller from ESD with proper grounding or shunting and the use of static control packaging and materials handling products Dissipate and neutralize by grounding ionization and the use of conductive and dissipative static control materials The teach button on the extension PCB and the remote teach input Input 1 both utilize the same teach procedure Set DIP switch S1 3 to ON and cycling power to enable the remote teach input When using the remote teach if the instructions indicate Press and hold teach button for five seconds the input should be turned ON for at least five seconds 1 Start teach Press and hold the teach button for approximate
18. imum output duration t out 3 35 Table 5 Controller Main PCB Potentiometer Adjustments O 1 0 RS485 and CAN controllers O Basic controller only when double scan mode is selected for example via DIP switch 4 Potentiometer 1 is not used on the analog controller model Rockwell Automation Additionally the CAN and RS485 controller models offer the flexibility of adjusting these settings through use of specified commands over the serial interface Resetting Default Parameter Settings All controllers are shipped with default parameter values that can be changed through the teach process for the I O model and through serial commands for the RS485 and CAN models The default parameters can be reset in all models through the following procedure Turn controller power off e Set switch 8 on DIP switch array 51 to ON Turn controller power on Setswitch eight on DIP switch array S1 to OFF e Default settings should now be restored Functional Description Analog Model e 9stez t OFF e RJ45 Connector N Emitter ON Analog Teach 1i D2LED Extension Push 9 gt D1 LED PCB Button D RJ45 Connector D15 LED N Receiver D3 LED Out 1 uo MAS D6 LED In 2 op m Pot D13 LED o it 5 LED In 1 Outi D12 LED I EC D11 LED lt d D10 LED Removable Spring
19. ly five seconds until LED D15 begins flashing once every three seconds indicating that the unit is in teach mode 2 Teach minimum analog output 4 mA or OV Place the object that is to be represented by the minimum analog output within the arrays Press and release the teach button LED D15 now flashes twice every three seconds indicating that any interrupted beams have been recognized If no beams are interrupted the minimum analog output value 4 mA or OV in run mode will indicate that no beams are interrupted 3 Teach maximum analog output 20 mA or 10V Place the object that is to be represented by the maximum analog output within the arrays Press and release the teach button LED D15 now flashes three times every three seconds indicating that any interrupted beams have been recognized If no beams are interrupted the maximum analog output value 20 mA or 10V in run mode will indicate that no beams are interrupted 4 Complete teach To complete the teach process press and hold the teach button until the LED D15 turns off approximately five seconds signaling the end of the teach process The taught values are saved to non volatile flash memory Alternatively the newly taught values can be discarded by briefly pressing the teach button LED D15 turns off indicating the end of the teach process and the previous values are restored Notes on the teach process Ifthe controller is set in absolute position mode DIP s
20. minimum and maximum analog output value Theslope of the analog output can be made positive or negative by changing the order in which the two different sized objects are presented during the teach process For example presenting the taller object in step 2 and the shorter object in step 3 will result in a negative slope in the analog output Functional Description Basic Model z e 9ostez t OFF N e RJ45 Connector nn N Emitter 02 LED DILED RJ45 Connector Receiver y 03 LED Out 1 D4 LED Out 2 Pot 2 o D6 LED In 2 amp p Pot D5 LED In 1 g outi e Out2 Removable e Bs ini Spring Loaded In2 al Connector e ne 3 In 1 3 lt Earth npn Input 24VDC PNP Logic e 1 amp 0VDC D7 LED Power 3 Ing Jumpers NPN J2 WWh Figure 4 Basic Model This controller model provides a basic discrete on off output indicating the overall state of the arrays Pin Listings The allocation of pins on the main connector J2 is specified in Table 10 Allen Bradley Rockwell Software Pin Signal Description Remarks 2 3 4 DIP switch 1 3 0 i DP switch 1 1 7 OV DC Eror Len Table 10 J2 Pin Listings DIP Switch Settings DIP switches 1 through 6 on the S1 DIP switch array are configured for the various applications described below If no information is otherwise provided these DIP switch
21. on the S1 DIP switch array are configured for the various applications described below If no information is otherwise provided these DIP switches should remain in the OFF position DIP switch 8 is used to reset default configuration Rockwell Automation Note Once changed DIP switch settings are only recognized after apower cycle The following table details DIP switch settings for the board Please refer to the user manual for further information on the listed functions Analog DIP Switch Settings DIP Switch S1 0 OFF 1 ON X not relevant Function 543 1 Default setting 0 Current output X 0 Voltage output X 1 Absolute mode position Relative mode size Enable remote teach Enable double scan filter Output logic Light Operate 24V PNP L 0 Dark Operate 0 V NPN D 0 EX Output logic Light Operate 0 V NPN L 0 Dark Operate 24 V PNP 0 Standard counting direction Reverse beam counting direction gt lt Normal operation gt lt gt lt Set default Table 9 Analog Model DIP Switc gt Settings It is possible to configure the analog controller to ignore short beam interruptions such as those caused by small particles passing through the detection area The double scan mode is enabled by turning DIP switch 4 ON In this mode every beam is evaluated twice instead of once and only beams that are interrupted during both
22. or us Hey 1 Blanked Beams ue na 0 Output logic overhang u x Hex 0 Active Low Over height mS la Hex 1 Output logic over height Commana I HEN 0 Active Low Par 26 Overhang carrier zone 1 9 Par 23 Overhang trigger mode man IE NEN 0 time delay mode Par 49 Delay times Command 1C Hex 0 Par 63 64 and 65 Table 27 Default Parameter Settings for CAN model 13 Allen Bradley Rockwell Software Dimensions mm in 128 5 0 47 3 1 0 18 4x Accessories Light arrays from the 45MLA family Cat No 45 MLA xxx00Pxx are sold as transmitted beam pairs Receiver Array Emitter Array 45MLA Controller Rockwell Automation www rockwellautomation com Power Control and Information Solutions Headquarters Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204 2496 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Europe Middle East Africa Rockwell Automation NV Pegasus Park De Kleetlaan 12a 1831 Diegem 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 45MLA INOO2A EN P 10000110164 Ver 01 July 2013 2013 Rockwell Automation Inc All rights reserved Printed in USA
23. t can be connected to either sinking or sourcing input cards Additionally the output logic can be inverted using DIP switch S1 5 The procedure to do this is detailed in the sections describing each controller Allen Bradley Rockwell Software LED Indicators The following table indicates the status and description for each LED on the controller s main PCB D1 Light Array OK Green Green flashing D2 Light array status Meaning Target present or light arrays not aligned Target not present and light arrays aligned Low margin light intensity inadequate Target not present Target present Red Flashing System Green i Green Green Output 1 inactive Output 1 active Output 2 inactive Output 2 active Input 1 inactive Input 1 active Input 2 inactive D6 Green Input 2 active D7 Power Green Table 4 Controller Main Board LED Status Power off Power on DIP Switches DIP switch settings and descriptions are detailed in model specific sections in this document Change DIP switch settings only when the controller power is off Potentiometer Settings The time settings of outputs Out1 and Out2 overhang duration t_ot and minimum output duration t_out can be adjusted using the corresponding potentiometers as described by the following table Allowed overhand Counterclockwise tot 0s Pot 1 detectionO or scan interruption ignore time amp t ot 3 35 Counterclockwise t out 05 Pot2 Min
24. terial ABS FR UL94 VO Cover Material Polycarbonate Spring loaded removable terminal strips mos 2 x RJ45 connection to light arrays only CAN model only 2 additional RJ45 connectors for CAN comms Accessories 45MLA light arrays Required Accessories Cat No 45MLA xxxxx0Pxx ATTENTION These devices are intended for object recognition only and may not be used for protection of humans access protection Rockwell Automation ATTENTION The cables must be mounted using the provided grommets in order to maintain IP54 standards Do not allow the cables to be pinched or mechanically stressed in the mounted environment IMPORTANT For use in NFPA 79 applications only Mounting Instructions This unit can be mounted on a DIN rail either using the mounting brackets on the back or four screws through the holes on the tabs extending from the corners of the housing In order to reduce the influences of electromagnetic disturbances ensure that none of the connecting cables are lying next to high power or high frequency circuit cables Electrical Configuration The controller unit contains a main PCB that controls light array electronics as well as an extension PCB for additional I O or communication functionality model dependent The emitter and receiver light arrays must be connected to the controller through their respective RJ45 connectors on the main PCB The grommets provided should be installed in the g
25. ual pins from J12 and J13 are connected to each other in series see Figure 9 below and are absolutely identical Two CAN cables can be connected to the two plugs separately or connected to just one plug The CAN module is powered internally The CAN power supply connector J12 and 13 Pin 7 and 8 is not used but connected in series Figure 9 12 LED Indicators The following table describes the LEDs D8 and D10 on the CAN extension PCB No CAN error D8 CAN Error CAN error invalid message Off No communication Controller communicating Green flashing over CAN Dip Switch Settings The following tables describe DIP switch settings for the CAN model DIP switch array S2 1 4 located on the extension PCB sets the address offset affecting all basic addresses from the CAN standard mode and extended CAN mode Note that DIP switch setting changes only take effect after a power cycle D10 CAN Communication Table 24 CAN Controller LED Status DIP switch number on array 1 Function Default Offset to address 0 00 Hex Offset to address 1 01 Hex Offset to address 2 02 Hex Offset to address 3 03 Hex Offset to address 4 04 Hex Offset to address 5 05 Hex Offset to address 6 06 Hex Offset to address 7 07 Hex Offset to address 8 08 Hex Offset to address 9 09 Hex Offset to address 10 0A Hex Offset to address 11 0B Hex Offset to address 12 0C Hex Offset to address 13 0D
26. us Allen Bradley Rockwell Software Rockwell Automation Dip Switch Settings The following tables describe settings for DIP switch arrays S1 and S2 Note that changes made to these settings take effect only after a power cycle DIP switch array S1 0 OFF 1 ON X not relevant Function 8765432 1 Default 0 Offset to address 0 00 Hex Xx px X X 0 Offset to address 1 01 Hex PX PX X X 1 Offset to address 2 02 Hex IX px X 0 Offset to address 3 03 Hex PX PX X X10 fo a 1 Offset to address 4 04 Hex IX px X 0 Offset to address 5 05 Hex 1 Offset to address 6 06 Hex XIX X 0 Offset to address 7 07 Hex XXX xo apa 1 0 Offset to address 8 08 Hex XX Xx ro po X X X X 1 Offset to address 9 09 Hex ES 1 Offset to address 10 0A Hex X 0 X X X 111 Offset to address 11 0B Hex XX XAO pa Offset to address 12 0C Hex Offset to address 13 0D Hex Offset to address 14 OE Hex Offset to address 15 OF Hex SEES EEE BEBE aa I EERE EERE lo o Baud rate 19 200 Baud X X Baud rate 2 400 Baud XX JO TX X Baud rate 9 600 Baud XX XX X Baud rate 57 600 Baud X Reset to default X Table 20 DIP Switch Array S1 Settings on the Main PCB DIP switch array S2 Terminating resistor 135 2 OFF 0 Terminating resistor 135 2 ON 1 Terminating resistor 4 wire OFF MEN
27. witch 51 2 OFF the discrete output Out 1 will change state only when a beam within the taught area is interrupted For example if the minimum analog output is set for beam 10 and the maximum analog output is set for beam 30 blocking only beam 5 or beam 40 will not change the state of the discrete output while interrupting beam 20 would change the state of the discrete output The discrete output WILL change state if both beam 40 AND beam 20 are blocked If the controller is set in relative size mode DIP switch 51 2 ON the discrete output Out 1 will change state if any beam is interrupted e Instead of using the actual object to be detected for the teach process the appropriate beams may be interrupted by other means during the teach process such as a metal flag Rockwell Automation e Turning off power at any time during the teach process cancels the process The previously stored values remain valid e The analog output is active during the teach process and the output value represents the actual state based on the current interrupted beams and the values taught during the current teach process e Default values analog output scaled to full length of connected light arrays can be reset by setting DIP switch 1 8 to ON and cycling power e Connecting a different length light array pair to the controller will result in the analog output being scaled to the full length of the array thus overwriting any taught values for
28. ximately every three seconds indicating that all beams interrupted by the carrier have now been recognized The highest of these beams is set as the zc beam top beam carrier zone At the conclusion of this teach process all beams between the fb offset exclusive and the zc beam inclusive will be defined as the carrier zone Note Setting the carrier zone is only required for applications utilizing over hang detection For other applications press the teach button to skip this step 4 Over height The over height output Out 2 is a discrete on off output that is by default activated when any beam is interrupted Default Beam oh Beam 1 In order to teach the over height level place the highest allowed object in the light array s range and then briefly press the teach button The LED D14 should now remain on indicating that the highest allowed object beam has now been set The next uninterrupted beam will be set as the oh beam At the conclusion of this teach process if any beam starting with oh and higher is interrupted the over height output Out 2 will be activated Setting up zones If you do not wish to configure specific zones at this point press and hold the teach button until LED D14 turns off approximately five seconds signaling the end of the teach process If you wish to configure sensing zones corresponding to Outputs 3 6 press the teach button briefly to enter the zone setup and follow the
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