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1. SerClk High speed Serial Clock pair High Speed Serial Data pair 3 5 Connecting the Encoder The encoder should be installed to be driven from the sensor transfer chain The encoder is wired to the computer cabinet with a shielded cable in separate conduit from the encoder to the MB Station unit via Phoenix connector 3 5 1 Encoder Input MB Station supports differential quadrature opto mechanical encoder modules Maximum recommended resolution is 2 kHz The MB Station will supply the required voltages No external input is required for powering the encoder as the 5V and GND pins are outputs to be used in the connection of your encoder Pull the Encoder connector 8 pin Phoenix MCVW 1 5 8 ST 3 8 1827033 and wire as specified below Snap connector back in PIN Assignment 1 A 2 A 3 B 4 B 5 Z 6 ES www phoenixcontact com a P N 1827033 MCVW 1 5 8 ST 3 81 8 5V Figure 3 4 Encoder connector pin out 3 6 Connecting Photocells The MB Station accepts up to 6 opto coupled photocells via Phoenix connector on the face of the unit 3 6 1 Photocell Input Photocells generally have an open collector transistor output that operates as an on off switch Each photocell input on the MB Station has to have a corresponding external pull up resistor implemented by the customer that allows the photocell switch to generate High and Low states in the MB Station see the recommended s
2. This function fills a user buffer with real time range readings for all the lasers within a given sensor as read by the MB Station Input int sensor The sensor index int numsamples Number of range samples to read unsigned short User buffer to be filled with the ranges ranges Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError API function to retrieve more information on the nature of failure Remarks The buffer must be sufficient enough to hold all requested range readings A recommended calling sequence should be buffer short malloc sizeof short NB MAXSPOTS if nbGetRanges head NB MAXSPOTS buffer Process ranges Process error BOOL nbGetAllRanges int numHeads int numSpots int isAvailable unsigned short ranges This function is called to acquire one time range readings from all the sensors in the system Note that the ranges for any sensor that is not available will be set to LMI OUTRANGE Input int numHeads The number of sensors in the system 0 NB_MAXHEADS int numSpots Number of spots for each sensor 0 NB_MAXSPOTS unsigned int Reports whether the sensor is present isAvailable unsigned short User buffer to be filled with the ranges ranges Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of failure Remarks The isAvailable buffer must contain at least numHeads elements The ranges buffer mu
3. V MB Station Version 5 1 6 0 Copyright 2011 LMI Technologies Inc All rights reserved Proprietary This document submitted in confidence contains proprietary information which shall not be reproduced or transferred to other documents or disclosed to others or used for manufacturing or any other purpose without prior written permission of LMI Technologies Inc No part of this publication may be copied photocopied reproduced transmitted transcribed or reduced to any electronic medium or machine readable form without prior written consent of LMI Technologies Inc Trademarks and Restrictions DynaVision chroma scan Selcom FireSync and Sensors That See are registered trademarks of LMI Technologies Inc Any other company or product names mentioned herein may be trademarks of their respective owners Information in this manual is subject to change This product is designated for use solely as a component and as such it does not comply with the standards relating to laser products specified in U S FDA CFR Title 21 Part 1040 LMI Technologies Inc 1673 Cliveden Ave Delta BC V3M 6V5 Canada Telephone 1 604 636 1011 Facsimile 1 604 516 8368 www lmi3D com Table of Contents i J inptroducetiot nabla iii 5 2 MBSStatlon Descriptioni lia 6 2 1 MB Station Features setti lare ai epee ae re ida aa 7 E ee E Ee ET e aaa 8 3 Connecting the Hardware ccccccsssseeeeeeee
4. d Oh boob ooo epee ONNEOOODL 2 7 no Il Select Non 0 000 3 000 6 000 9 000 12 000 15 000 18 000 21 000 24 000 27 000 Select None Encoder H c Current Scan Scans Save Time Points Available 0 Start 0 4 FIANCATA e Win Fang Curent Q End bh 4 EnEn Max Range Ri lt Bi gt gt Clear Al Save Selected Save Current Figure 7 13 NbTest Scans Tab Note You can zoom in on the graph by using your mouse to select the region to zoom into 7 6 BxSystemConfig Utility BxSystemConfig utility is a Windows 9x NT 2000 XP which can be used to configure B Series sensors once they are placed into a system The functionality of this application is a subset of BxLoad which is also distributed However because many expert level settings are not present BxSystemConfig is the preferred application for the end user BxSystemConfig allows users to configure the serial bus address and specify whether the sensor is in the top or bottom row Note that top bottom configuration is currently only required for B900 sensors 7 6 1 Uploading settings Tools Procedure Desktop or a Notebook PC with Ethernet 10 100 Mb adapter installed Windows 98 NT 2000 XP Operating system BxSystemConfig exe 1 Connectall the sensors to the MB Station 2 Connect MB Station to your network using a standard CAT5 Ethernet cable or directly to a computer using a crossover 3 Power up the MB Station The unit will boot up in a
5. description This function may be called to retrieve an error code after a function in the nblib dil library returns unsuccessfully Input const char If not NULL the library will return a pointer to an ASCII string describing description the last error Return int lasterror Numeric code of the last error Remarks If a function in the NBLIB library returns unsuccessfully call this function immediately to determine the cause of the error If any calls are made to the NBLIB library between the unsuccessful call and the call to this function the error information will most likely be lost The return value of nbGetLastError is undefined when the most recent call to the NBLIB library returned successfully BOOL nbUploadUserParameters SCANNERPARAMS user_sp This function is called to initialize or modify application specific parameters for the Board Detection Logic BDL residing in the MB Station memory Input SCANNERPARAMS Pointer to the MB Station concentrator parameters structure user_sp Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks Upon boot up the MB Station concentrator initializes BDL to following default parameters MINSPOTS and MINWAIT are applied to both leading and trailing edge of a target board define MINSPOTS 3 minimum number of laser spots seen to validate a target define MINWAIT
6. time board data collected on each encoder pulse up to either the maximum allocated board buffer space or until the target board left the scanner Each horizontal line represents one scanline a collection of range data from all installed sensors at a given encoder pulse Green denotes range readings within the calibrated range and yellow represents out of range data 0x8000 The right pane displays related photocell statuses Green represents the open state of a photocell and yellow the blocked state View Scans button enables the user to view board buffer data in a formatted text format Save Boards to File check box automatically saves all scans to a new file labeled with the board number Store for viewing check box stores scans for viewing on the Examine Scans tab Fwd Scan amp Rev Scan buttons are used for scanning in mode 4 depending on encoder direction NBLIB Test Program Heads 01234567 89 1011121314151617 18192021 2223 a 00 16 10 est 00 04 18 System Diagnostics Ranges Photocells and Encoder Record Scans Examine Scans Scanner Parameters Photocells Boards 120 Scan Frames PC Events API Errors Timeout 0 Packets 0 Encoder 1 API Time msecs Scans Encoder Offsets Test Mode Save scans Noe S DR P 1 Timeout 300 H Allocated 8192 Eet ge 242512 Clear C Single Packet Available 0 Valid 2048 Last Sc 244559 Continuous Clear A T
7. 0 Max Addr 23 Figure 7 5 BxLoad Initial screen 6 The program will detect all operational sensors connected to the MB STATION unit Once finished the list of detected sensor serial numbers will appear in the left pane of the dialogue window Gh BxLoad 4 0 0 0 Cie Connected Sensors Upload Output fo 6001946 1 6001558 Serial Mumber 6001946 Temp Offset E EER lie N fg s Model Number sos I Filter Confirmation Ranges 16 Mii 254 DSP Version fia fe E 5 FPGA Version OT S z2 DI Logical Address 46 16 Wie 254 FPGA Config fee 16 z Kat EXTCLKdsp NA z MaxSubPixFilt fio z MaxSubPixErr jo z Min Range o E Max Range fico z Desired Power Im n Peak Tolerance N A B Gain 0 5 Sensor Version jo ED IT Connect Laser Threshold EE 16 254 ERE Max Ambient NA Set Min Set all Set Max T By Logical Addr Min Ambient NA az Reduction Step N A Comm Part z ES NA Upload DSP Upload se Min addr jo Upload FPGA Reset the Unit Max Addr ER Figure 7 6 BxLoad Connected 7 From the list select a sensor serial number you wish to upload code to 8 To upload new FPGA code to the selected sensor press the Upload FPGA button at the bottom of the dialogue box The program will display a Windows file selection dialogue box Select the file to be uploaded mcs extension Upon acceptance the BxLoad p
8. 13 14 fi5 1G fi 18 19 j20 21 Gi 23 j NBLIB Ver New Logical Sensor Map 5132 8 9 fio fil f2 13 f4 n5 6 ji N8 19 20 21 22 23 FPGA Ver ca e ce cc EE E fa a fa ca EE Sa Apply Figure 8 2 NBLIB Test Program System Tab view 6 Verify that the status bar shows No Error and that the connected heads are marked green in the Heads indicator bar 7 Select the Diagnostics tab and select the index of one of the connected heads 8 The Ranges column shows the distance from the face of the selected sensor to the target If a given laser is not hitting a target or a target is out of range the reported value is 32768 9 The S N field should match the serial number label on the sensor housing NBLIB Test Program Heads 01234567 8 9 1011121314151617 18192021 2223 Size 00 01 47 est 00 00 03 System Diagnostics Ranges Photocells and Encoder Record Scans Examine Scans Scanner Parameters RANGES PWR SUBPIX SUMPIX WIDTH SPOTS Head RR 19048 11 12864 2219 20 8 19137 10 19912 2405 15 19243 10 26734 2534 17 19334 10 33075 2514 18 19445 10 38739 1684 16 19539 10 43695 1262 12 19634 10 47947 875 8 19725 10 51555 707 6 Spot Spot Spot Spot Spot Spot Spot Packets 99 Errors Total o View OO d Gu Bb UNEO o o o o o o o Spot Spot Reset Counters Spot Pause Spot Spot Save Laser Diags Spot Spot S N 9000006 Spot Model 8050 Spot Spot DSP Rew S
9. Input PCSTATEST pcstates Structure containing photocell transition encoder counts int source 0 uses the most recent UDP information received form the MB e the TCP IP request to poll for the data from the MB Station Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure This method is somewhat redundant since the information is being received automatically over the UDP protocol Yet there may be an occasion when user may need to use this call such as when the chain is not moving at that time or a confirmation is needed BOOL nbStartScan void Sends a TCP IP command to the MB Station unit to trigger a collection of scan frames upon each encoder pulse up to maxwidth scan frames This command is recognized by the MB Station unit only in the Software Trigger Mode see Modes of Operation The user must specify the direction of the transport useful for rotation scanning in both directions Input int direction encoder direction LMI ENC_FWD or LMI_ENC_REV Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks See also nbStopScan BOOL nbStopScan This call is used in Software Triggered Mode only see Modes of Operation Upon issuing this TCP command the MB Station will terminate data acquisition of the current segment and subsequently issues a Board_Ready event
10. number must be obtained from LMI Please call LMI to obtain this RMA number Carefully package the sensor in its original shipping materials or equivalent and ship the sensor prepaid to your designated LMI location Please insure that the RMA number is clearly written on the outside of the package With the sensors include the address you wish this shipment returned to the name email and telephone number of a technical contact should we need to discuss this repair and details of the nature of the malfunction For non warranty repairs a purchase order for the repair charges must accompany the returning sensor LMI Technologies Inc is not responsible for damages to a sensor that is the result of improper packaging or damage during transit by the courier Section 10 10 Getting Help If you wish further help on the component or product contact your distributor or LMI directly Visit our website at www Imi3D com for the agent nearest you For more information on Safety and Laser classifications contact U S Food and Drug Administration Center for Devices and Radiological Health WO66 G609 10903 New Hampshire Avenue Silver Spring MD 20993 0002
11. serial number of that sensor as a factory default setting It is the responsibility of the customer to check and modify the bus address if more than one sensor uses the same logical address on one system Note sensors with last two digits of the serial number that are zeros e g B8001600 are set to 100 7 2 MB Station IP Address Setup WARNING The client s subnet address must match the one used by the MB Station in order to connect to it There are no tools provided for discovering MB Station subnet address if it is lost MB Station is setup with a default IP address 192 168 0 151 and subnet mask 255 255 255 0 Your networks IP address may be quite different from the default and therefore the MB Station IP and subnet mask may need to be permanently modified to become a part of your network The procedure requires a valid Ethernet connection to the MB Station Tools Hardware Desktop or a Notebook PC with Ethernet 10 100 Mb adapter installed MB Station Software Windows XP SP2 Operating system B Series OEM CD kIPConfig program Procedure 1 Modify your network settings to match the default subnet of the MB Station for example IP 192 168 0 100 mask 255 255 255 0 Make sure that the B Series OEM CD is installed in a local folder Open the kIPConfig program and select the network interface that is used to connect to the MB Station Click Enumerate and wait for serial numbers to show up on the left side of th
12. 2 MB Station Description The MB Station allows for up to 24 sensors to be connected via high speed serial lines while providing each sensor with individually fused DC power The MB Station includes Encoder Input with LED signal indicators and maximum 6 Photocell Input with LED indicators The MB Station supports all B series sensors including the M24B e Full compatibility with existing NPH 66 external connections and cabling sensors photocells encoder e Full compatibility with NPH 66 Ethernet protocol and existing software suite e Hot swapping protection prevents damage to the MB Station e 2kHz data sampling and streaming is supported for full B series and M24B sensor systems e Encoder quadrature division is supported Figure 2 1 MB Station 2 1 MB Station Features LED Power ON indicator Encoder Photocell Power In Ethernet Connection Connection Figure 2 2 Front and Bottom Layout of the MB Station 2 2 Storage Considerations The MB Station must be mounted inside of an industrial NEMA enclosure at the scanner frame to protect the electronics Mount the power supply cabinet on one end of the scan frame to allow proper access from the mill floor for installation and service Position the cabinet on the end of the frame so there is proper clearance from the bottom access plate on the frame into the power supply cabinet to run the power cables Ensure that any wa
13. 5 minimum encoder pulses to hold a state define MAXREVERSE 192 allow maximum 6 reverse movement 1 32 encoder resolution define MAXBOARD 1024 default board size in encoder pulses define PADDING 10 bit of a history prior to start of board is sent to client as well See also SCANNERPARAMS nbGetScannedObject BOOL nbGetFwVersion char nbfw_version Report the version number of the MB Station firmware code Input Pointer to a destination character string char Here The allocated string size must be minimum MINVERSIONSZ characters Return TRUE on success BOOL FALSE on error Call nbGetLastError to retrieve more information on the nature of failure BOOL nbReadLogLength PCSTATEST pcstates int source This function returns encoder values recorded at given photocell transitions The MB Station logs current encoder count on each photocell transition light to dark and vice versa Upon initialization of the scanner the user specifies the photocell index to be used for this data logging Once the transition occurs the MB Station will transmit a PCSTATEST structure to the client computer over the Ethernet connection using UDP protocol Upon receiving this UDP packet the nblib dll will issue the ASYNC_EVENT_LOG_PC_INFO event Subsequently the user then issues this call to access the information This information can be retrieved anytime using a TCP IP command by passing value 1 in place of source argument
14. Scans labia lt ade deu kannada ra liadasaaei 62 7 6 BxSystemConfig Ulisse 63 7 6 1 ee ae e EE 63 ll E ue KE E E RE 65 Sal Powering Ud ia lia 65 8 2 Using Diagnostio sSorntwar elesse ila peulo alare 66 8 3 Using the AR eolie olio 68 CB EE 69 9 Warranty e 69 Oe RUI RONG Yee ine Ae E ei ani leo ab lle 10 Getting Help Section 1 1 Introduction The MB Station is the next generation communication interface for all DynaVision multipoint sensors The MB Station makes upgrade from NPH66 extremely easy It uses the same cable connections and bolts directly in place of the NPH66 MB Station incorporates hot swapping protection and will not be damaged if any of the connectors were inserted or removed while the power is turned on The field wireable terminal strips provide easy and secure connection for power encoder and photocell inputs The Phoenix terminals on the MB Station are well suited for easier access and faster connection A standard RJ45 connection provides Ethernet out The design incorporates a number of LED s which help monitor the activity on your MB Station The connector spacing on the face of this unit has been altered to make it easier to plug and unplug sensors Existing software written for the NPH 66 should not require any changes to work with MB Station Full quadrature division support has also been incorporated into the B series software and is available with MB Station Section 2
15. and a continuous pass through mode which can be applied to almost any situation 4 1 Scanner System Components Following scanner components are supplied by LMI Technologies e Multipoint range measurement sensor s e MB Station concentrator unit e Integrated data power Bx Cable The OEM must supply the following components e Scanner frame to mount the sensors e 24V DC power supply to power the sensors 15 24 watts each e Power supply cabinet to host the DC power supply and the MB Station Concentrator e Differential quadrature opto mechanical encoder coupled mechanically to the transfer mechanism to produce pulses in proportion to the chain travel e Encoder Cable to connect the encoder to the MB Station Phoenix input connector e Client computer with a NIC Ethernet card to run data processing software such as optimizer and diagnostics software e UPS Uninterruptible power supply to provide 120 VAC to the client computer and the power supply cabinet e A 27 by 4 by board length profile bar to calibrate the BX system 4 2 Scanning modes 4 2 1 Board Detection Mode 0 Board detection mode is typically used for transverse board or cant scanning The overall process is as follows The start of a board is detected whenever a lead_spots see scanner parameters structure or greater number of valid ranges is present for lead_wait number of scans At this point MB Station starts sending scanned data to the client
16. and waits for its next transition from light to dark sometimes referred to as open and closed While doing so even though the transport is moving and the encoder is issuing pulses the system is not busy and no data is being transmitted over the network 4 2 3 Rotational Log Scanning Mode 2 In this case a log is positioned under the scanner on a spindle The log is positioned within the scope of the scanner and an external trigger similar to the longitudinal scanning is used to start taking log measurements It takes one full rotation to collect all the samples to construct a digital model of the log Let s say the encoder issues 360 pulses per rotation This yields 360 measurements around circumference of the log in other words user will acquire measurements at one degree resolution around the circumference and 1 resolution along the log This mode of operation is suitable for applications such as veneer peeling There is one more parameter associated with this mode Rather than waiting for all the data to arrive and then start processing the user can specify that the system should segment the data In the case above the user could specify to retreive data in segments of 90 measurements Thus the whole scan will be delivered in 4 segments each 90 data frames wide Board Ready Event is issued after each segment has been received Once the last segment is completed the system waits for the next trigger signal regardless of the encode
17. get a copy of the currently installed sensors map Input int buffer Pointer to the user buffer to receive the copy of the sensor table int buffersize Size of the destination buffer in bytes Must be at least sizeof int NB MAXHEADS Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError API function to retrieve more information on the nature of failure Remarks The function is a complement of the function nbSetSensorMap See nbSetSensorMap for more details on the sensor table See Also nbSetSensorMap BOOL nbSetSensorMap int table int tablesize This function is called to re map the sensor indices from connector based physical to logical numbers based on the actual sensors hardware implementation Input int table Pointer to the sensor table The mapping is performed as logical table physical The table must contain unique values for all sensors int tablesize Size of sensor table in bytes Must be at least sizeof int NB MAXHEADS Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks The default sensor map maps connector indices into logical order as one to one int SensorMap NB MAXHEADS le dep 2 Bg Ave Db Ty Se Oy LO LL 12 13 14 15 16 17 18 19 20 21 22 23 be The SensorMap is used internally by all APIs dealing with sensor data See also nbGetSensorMap int nbGetLastError const char
18. nbGetEncoderinfo unsigned int encoderCount This function writes current encoder count into the pointer location Input unsigned int Pointer to the destination variable encoderCount Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of the failure Remarks When the MB Station is first powered on the encoder count is initialized to zero The encoder count is then incremented with each received encoder pulse until a counter overflow occurs The encoder count is then zeroed and begins counting up again See Also nbSetEncoderlnfo BOOL nbSetEncoderlnfo unsigned int encoderCount This function resets the encoder counter to desired value Input unsigned int User value to replace the current encoder count encoderCount Return BOOL TRUE on success bReturn FALSE on error Call nbGetLastError to retrieve more information on the nature of the failure Remarks When the host is first powered on the encoder count is initialized to zero The encoder count is then incremented with each received encoder pulse until a counter overflow occurs The encoder count is then zeroed and begins counting up again Current MB Station implementation does not support setting encoder value to anything other than zero See also nbGetEncoderlnfo BOOL nbGetPhotocells PHOTOCELLST photocellsinfo This function fills a user buffer with the current photocell information and cu
19. of the 6 available photocell inputs on the MB Station concentrator unit This trigger would be typically located just ahead of the scanning plane of the scanner The trigger photocell will change its state from Light to Dark once the log moving along the in feed reaches its scope This causes the MB Station unit to start buffering real time range data from all the installed B Series sensors at each forward encoder pulse To optimize the time data is sent in predefined segments of N encoder counts long see maxwiath field of the scanner parameters structure After receiving each data segment N data frame nblib dll will issue a Board Ready Event to the user application This sequence repeats as long as there is a valid target under the scanner or a given photocell is in the Dark state The last segment is delivered once the log exits the scanner s scope none of the B Series sensors detect the target anymore and the photocell used for the trigger is in the light state The actual end of log is located somewhere within the last scan segment and therefore the user software must locate the last valid data to completely define the log model Log end detection logic is similar to Mode 0 as it also uses trail_wait and trail spots parameters However trailing history is not supported in this mode The length of the log can also be determined by the number of encoder ticks counted while the photocell is dark Next the scanner monitors the photocell state
20. storage has been allocated Connection to Firmware has been lost 19 failed to detect the leading edge of board failed to detect the trailing edge of board DI before user buffer filled failed to detect both the leading and the trailing edge Some UDP packets send by the host were lost Scan data missing typically caused by the encoder being too fast or too much 24 network traffic N N N o N CH Already connected to a MB Station W WWN N N N N M O O CO N on Invalid buffer size set The user maxwidth parameter is set higher than 33 the number of allocated scanlines Section 6 6 MB Station and Sensor Parameter Structure Using LMI s API interface the user software is responsible for setting up the scanner parameters upon establishing a network connection with the MB Station unit Following are the available scanner parameters SCANNERPARAMS structure in the nblib h file that will affect the functionality of the scanner For each scanner application board or log scanner only certain scanner parameters apply The rest of them are not employed and have no impact on scanner functionality The following table describes the use of these parameters nona 6 Scanner Parameter and Description SCANNERPARAMS Description This parameter is not being used in any log scanning modes Minimum number of valid not out of range 0x8000 readings to validate leading lead_spots edge of a target board Once t
21. B Station arbitrarily This table is permanently stored in the MB Station NBTEST allows the user to modify this table and permanently upload new tables to the MB Station see nbSetSensorMap and nbGetSensorMap API functions Use the scroll controls to set sensor index vs connector index and then press Remap to permanently upload the map to the MB Station NBLIB Test Program Heads 01234567 8 9 1011121314151617 18192021 2223 nee 00 00 06 est 00 00 24 System Diagnostics Ranges Photocells and Encoder Record Scans Examine Scans Scanner Parameters NPH Fw ver 5 1 2 0 NBLIB Ver 51 00 8 9 fio fi fia fia fia fis fe fiz fis fio 20 mo e3 FPGA Ver E EE EE Pe ee Pr Pele eee ec Apply Current Logical Sensors Map O 1 2 3 4 5 6 7 8 9 iO fil 12 f13 14 15 FG 17 mg 19 20 21 22 23 New Logical Sensor Map Figure 7 8 NbTest System Tab 7 5 2 Diagnostics Diagnostics Tab dialog window displays real time data of a selected sensor API call nbGetLaserlnfo and nbGetHeadiInfo are used Ranges Indicates real time range reading for each laser beam Pwr Indicates optimized Pulse Width Modulation PWM for a given laser beam Subpix Location of detected laser spot image on each CCD camera in sub pixel resolution Sumpix Integrated laser spot image area on each of the CCD cameras Spots Number of spot images detected on each CCD camera Environmental diagnostics are displayed in the bottom r
22. B Station implementation does not support this feature BOOL nbGetCurtain int head unsigned short curtain Returns real time light curtain data from an individual sensor Input int head Logical head number unsigned short User buffer to be filled with the curtain data Must be sized curtain NB_LIGHTCURTAIN_ SIZE sizeof unsigned short Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of failure Remarks The curtain buffer is fixed and must be at least the size sizeof short NB_LIGHTCURTAIN_ SIZE A possible calling sequence would be curtain unsigned short malloc sizeof short NB_LIGHTCURTAIN_ SIZE if nbGetCurtain head curtain Process data else Process error BOOL nbGetRangesAndCurtain int head unsigned short ranges unsigned short curtain Returns real time light curtain and range data from an individual sensor Input int head Logical head number unsigned short User buffer to be filled with the ranges Must contain space for ranges NBMAXSPOTS ranges unsigned short User buffer to be filled with the curtain data Must be sized curtain NB_LIGHTCURTAIN_ SIZE sizeof unsigned short Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of failure Remarks The curtain buffer is fixed and must be at least the size sizeof short NB_LIGHTCURTAIN_ SIZE The r
23. EADS CHANGED process heads change Some sensor died or came back to life HeadsMask aest data bitfield of active heads break case ASYNC EVENT BOARD READY result nbGescannedObject amp o0bject break allow event again ResetEvent ghEvent The code above assumes the variable ghEvent contains the same event handle that was passed to nbOpenScanner Asynchronuous event types define ASYNC EVENT CONNECTION LOST 0x00000001 define ASYNC EVENT HEADS CHANGED 0x00000002 define ASYNC EVENT BOARD READY 0x00000004 typedef struct int code int data ASYNCEVENTST BOOL LMIAPI nbGetSystemData BXHEADANDSPOTDATA systemData int numHeads int numSpots This function is called to acquire both the sensor and the spot diagnostic information from all sensors in the system Input BXHEADANDSPOTDATA systemData pointer to the destination the number of elements in the systemData array int SRUAT SAGS 0 NB_MAXHEADS the number of laser spots for each sensor in the system int numSpots 0 NB_MAXSPOTS e g 8 for a B series Return TRUE on success BOOL FALSE on error Call nbGetLastError to retrieve more information on the nature of failure Remarks This function may require a long time on the order of one second to complete Do not use this function in time critical code t
24. FPGA and DSP 8 Wait for the files to be uploaded and the MB Station to be rebooted 9 Close kUpdate and re power the MB Station This step is required due to additional diagnostics performed by kUpdate after the initial reboot is complete 7 4 Sensor Firmware Upload Procedure Tools Hardware Desktop or a Notebook PC with Ethernet 10 100 Mb adapter installed MB Station Software Windows 98 NT 2000 XP Operating system BxLoad exe Nblib dil Procedure x Connect all the sensors to the MB Station 2 Connect MB Station to your network using a standard CAT5 Ethernet cable or directly to a computer using a crossover CAT5 Ethernet cable Power up the MB Station The unit will boot up in about 30 seconds and is ready to operate Run the BxLoad exe utility on your PC Click the Connect button within the dialogue box Saw Gy BxLoad 4 0 0 0 Gi Connected Sensors Upload Output Serial Number Laser Settings Temp Offset Model Number I Filter Confirmation Ranges DSP Versioni FPGA Version Logical Address FPGA Config EXTCLKdsp MaxSubPixFilt MaxSubPixErr Min Range Max Range Desired Power Peak Tolerance COMOOCOCCOOOCoONME iid Gain Sensor Version Connect Laser Threshold I Power Hub Max Ambient T By Logical Addr Min Ambient Abs Min Abs Max Set Min Set All Set Max U E ps Reduction Step Comm Port Increase Step Min Addr
25. GetPhotocellHistory Retrieves photocell history buffer nbGetScannedObject Detects and collects scanned object board nbGetScannedObject2 Detects and collects scanned object Provides light curtain output nbGetRanges Returns real time range readings nbGetAllRanges Returns real time range readings from all the installed sensors nbGetVersion Returns API library software version nbGetFwVersion Returns MB Station code version nbGetFPGAVersion nbGetLastAsyncEvent nbGetOffsets nbSetOffsets nbGetSensorMap nbSetSensorMap nbGetLastError nbGetValidLasers nbSensorReset nbUploadUserParameters nbGetSystemData nbReadLogLength nbResetNPH nbSerialSettings nbStartScan nbStopScan nbSetAllLasers nbGetCurtain nbGetRangesAndCurtain nbGetAllCurtain nbSetCurtainStatus nbGetCurtainStatus nbSetCurtainOffsets nbGetCurtainOffsets Returns FPGA code version Returns the last asynchronous event information Read current system calibration data Set system calibration data Returns a mask of attached sensors Set the map of attached sensors Retrieve last API error Read number of valid lasers a given sensor is using Reset an individual sensor Upload user parameters to the MB Station concentrator Returns diagnostics for all sensors in the system Upon ASYNC_EVENT_LOG_PC_INFO event read given photocell transitions record Client command to reset reboot MB Station unit Currently not supported by th
26. N_WORD j else process error Note that the range data for a missing sensor will be set to LMI_OUTRANGE while the light curtain data will be set to 0 BOOL nbSetCurtainStatus int head unsigned short curtainMask This function specifies a mask which will be ANDed with the light curtain data returned by the specified sensor Input int head Index of the head for which the curtain status is to be changed unsigned short Light curtain mask buffer curtainMask Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks curtainMask must point to a buffer NB_LIGHTCURTAIN_SIZE words in size When the library is initialized all of the curtain bits are enabled The bit order is expected to be exactly the same as the one in the curtain buffer returned by the sensor BOOL nbGetCurtainStatus int head unsigned short curtainMask This function specifies a mask which will be ANDed with the light curtain data returned by the specified sensor Input int head Index of the head for which the curtain status is to be returned unsigned short Light curtain mask buffer curtainMask Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError API function to retrieve more information on the nature of failure Remarks curtainMask must point to a buffer NB_LIGHTCURTAIN_SIZE words in size BOOL nbSetCurtainOffsets i
27. OST NB_ERROR_WRONG_SOCKET_VERSION CH No error has occured No host is detected Ensure that your MB Station is turned on A joj N NB_ERROR_INVALID_FPGA_FILE Re upload firmware NB_ERROR_READING_FPGA_FILE FPGA corrupt Re upload firmware NB_ERROR_NO_MEMORY NB_ERROR_UNSUPPORTED_ FPGA_ FILE NB_ERROR_OPEN_FPGA_FILE Re upload firmware NB_ERROR_NOT_CONNECTED Wu O No storage has been allocated Check firmware version Re upload firmware ad Connection between PC and MB Station lost Missing diagnostic data No sensor Ce N NB_ERROR_MISSING_DIAGS head connected or connection has been 10 NB_ERROR_INVALID_PACKET NB_ERROR_INVALID_CMD NB_ERROR_CMD_TIMEOUT lost aula WIN Invalid sensor head selected Head NB_ERROR_INVALID_HEAD selected gt 24 or no head connectedto 14 port Invalid spot selected spot selected gt NB_ERROR_INVALID_SPOT MaxSpots or no sensor head connected 15 to port NB_ERROR_INVALID_CMD_REPLY NB_ERROR_HEAD_NOT_PRESENT NB_ERROR_NO_BUFFER NB_ERROR_API_TIMEOUT NB_ERROR_NO_BEGINNING NB_ERROR_NO_END NB_ERROR_NO_BEGINNING_NO_END NB_ERROR_PACKETS_MISSING NB_ERROR_DATA_MISSING NB_ERROR_INCORRECT_ARGUMENT NB_ERROR_INVALID_TABLE NB_ERROR_INVALID_SERIAL_REPLY NB_ERROR_CONNECTION_LOST NB_ERROR_CONNECTION_CLOSED NB_ALREADY_CONNECTED NB_TCP_COMMAND FAILED NB_ERROR_UDP_THREAD NB_ERROR_BUFFERSIZE x a N IO No head connected to port x CO No
28. T Desktop Av time Event y Subnet IP Subnet Mask 2 55 55 Refresh Devices Devices 5140 S N 10 Sensor progress Overall progress Start Cancel Figure 7 2 kUpdate Program used for updating firmware Click the Start button A window will pop up Choose the FPGA firmware to upload Select the Open button A new window will pop up requesting for the DSP firmware to upload Select the DSP from the folder and select Open DIA W gi kUpdate Xx m Subnet Setup Leave blank for default Log ES Subne Look in M140_B124 e mce My Recent Documents Desktop J My Documents File name FPGA _M140_B124 CFGO 4 9 5 0 Menti Files of type 5140 FPGA Firmware files P bin D Cancel Places J Open as read only Figure 7 3 kUpdate program used to update Firmware and FPGA 7 kUpdate will start uploading the FPGA and DSP See below fq kUpdate x Subnet Setup Log Interface finter PRO 1000 MT Desktop Ac DI li 2006 12 19 12 35 15 Processing 1 of 1 sensors S N 10 Subnet IP e 2006 12 19 12 35 15 Downloading sensor config Subnet Mask e 2006 12 19 12 35 16 Downloading alg storage 2006 12 19 12 35 16 Erasing DSP Refresh Devices m Devices 5140 S N 10 Sensor progress Overall progress Quit Figure 7 4 kUpdate program updating the
29. The actual start of the sent data is history scans before the start of the board Each scan includes sensor data for the entire system as well as encoder and photocell input state at that point The end of the board is triggered when maxwidth number of scans is reached or fewer than trail spots ranges are valid for trail_wait number of scans Board data is transmitted until additional trail holdscan number of scans has been sent or maxwidth number of scans has been reached When all data for a given board has been received by the client library a Board Ready Event is issued Scan acquisition and transmission are independent and have different timing requirements MB Station only stores information about the last scanned object This means that if more than one object has been scanned in addition to the one currently being sent the last one of the new objects will be sent and the others will be lost Correctly choosing board spacing and lead_spots lead_wait parameters is required for correct operation For example if history were set to 5 lead_wait set to 3 trail wait set to 3 and trail_holdscan set to 5 and if the scanned board lasted 250 frames before the first of trail_wait 3 frames that did not satisfy trail_spots the returned board length would be calculated as follows 5 3 250 3 5 266 frames 4 2 2 Longitudinal Log Scanning Mode 1 This scanning mode requires an external trigger a photocell or a switch connected to one
30. an MB Station running As this is only a brief overview it may direct the user to other sections of this manual for further information 8 1 Powering Up The user is required to provide cabling to power the MB Station as well as the cables to connect and power the sensors Please refer to Section 4 for the instructions and diagrams Standard CAT5 Ethernet cable can be used to connect the MB Station to the PC The following steps can be taken to verify that the system has been powered on correctly 1 Connectone or more B Series sensors using a Bx Power Data Cable and power the MB Station as described in Section 4 2 Verify that the green power LED comes on If the photocells are not connected all six photocell LEDs should turn green as well 3 Verify that the connected sensors have been powered correctly e If using sensors with LCD displays B8 B8A M24B please verify that the LCD comes on with correct information e f using sensors without LCD displays Bx00 please confirm that the lasers come on in sequence This confirms that they have been powered on and synchronized correctly by the station 8 2 Using Diagnostic Software MB Station is setup with a default IP address 192 168 0 151 and subnet mask 255 255 255 0 To get started please configure your network card settings to match the subnet for example IP 192 168 0 100 mask 255 255 255 0 For the instructions on changing the MB Station IP subnet mask please refer
31. ange buffer must contain space for NBMAXSPOTS ranges A possible calling sequence would be curtain unsigned short malloc sizeof short NB_LIGHTCURTAIN_ SIZE ranges unsigned short malloc sizeof short NB_MAXSPOTS if nbGetRangesAndCurtain head ranges curtain Process data else Process error BOOL nbGetAllCurtain int numHeads int isAvailable unsigned short curtain Returns real time light curtain data from all installed sensors Input int numHeads Number of sensors in the system 0 NB_MAXHEADS unsigned int Reports whether a sensor is present isAvailable unsigned short Reports light curtain data curtain Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks The isAvailable buffer must contain at least numHeads elements The curtain buffer must contain at least numHeads NB_LIGHTCURTAIN_ SIZE elements curtainBits NB_LIGHTCURTAIN_SIZE BITS_IN_WORD isAvailable int malloc sizeof int numHeads curtain unsigned short malloc sizeof unsigned short numHeads NB_LIGHTCURTAIN_SIZE if nbGetAliCurtain numHeads isAvailable curtain for i 0 i lt numHeads i if isAvailble i was this sensor present in the system sensorCurtain amp curtain i NB_LIGHTCURTAIN_ SIZE for j 0 j lt curtainBits j bitValue sensorCurtainfbit BITS_IN_WORD amp 0x8000 gt gt bit BITS_I
32. bout 30 seconds and is ready to operate 4 Run BxSystemConfig application on PC 5 Open File gt Connect menu item BxSystemConfig 5 1 4 4 Connected Sensors si Connection Settings General Settings I Power Hub Comm Port IP Settings Min Addr 0 Max Addr 1 NPH IP 193 168 O 151 I Auto detect Progress Figure 7 14 Bx System Configuration Utility program 6 10 Press Reset the Unit for settings to take effect Input MB Station IP address Select the sensors port range or logical address range and press Connect BxSystemConfig 5 1 4 4 File Help Connected Sensors Settings Serial Number 9000071 Model Number 8050 DSP Version 5144 FPGA Version Logical Address Sensor Position i Reset the Unit Progress Reading X Memory TTI Figure 7 15 Bx System Configuration Utility program Uploading settings Select sensor serial number If required modify the Logical Address such that it is unique across the entire system The valid range is 1 254 By default the Logical Address is set to the last two digits of the serial number If required modify the Sensors Position setting For B900 sensors the value must accurately specify whether the sensor is in top or bottom row The setting currently has no effect on other B series sensor models Press Upload Settings Section 8 8 Getting Started This section outlines the steps required to get a B Series system with
33. chematic 3 6 Pull the Photocell connector out 12 pin phoenix Phoenix MCVW 1 5 12 ST 3 81827075 Wire as specified below Snap connector back in Pin Signal Photocell ID 1 IN 2 IN 1 3 IN 2 S TIN www phoenixcontact com 5 3 P N 1827075 MCVW 1 5 12 ST 3 81 6 EN 7 IN n FIN 4 NOTE The GND pin on the 8 Pin Phoenix 9 IN connector Encoder can also to be used as 10 ZIN 5 GND for the photocell input 11 IN E FIN 6 Figure 3 5 Photocell connector pin out The following diagram shows the connection of the photocell to the MB Station circuitry V 12V to 24V Reference resistor formula Photocell R aW V 1 5 0 007 560 Output MB Station Photocell Input MB Station Photocell When you have a target in range of the photocell then the input pin should be left open otherwise when no target is in range the photocell should connect the input pin on the MB Station to ground Figure 3 6 Photocell connection schematic Photocell input pins a b correspond to the photocell inputs IN JN The state of any unused photocell inputs doesn t matter They can be grounded Section 4 4 Scanning System B series systems utilize the MB Station in many different applications In addition to transverse board scanning it supports longitudinal and rotational log scanning MB Station also supports a software triggered mode
34. ct the leading edge NB_ERROR_NO_END user buffer was filled Function failed to detect both the leading and the NB_ERROR_NO_BEGINNING_NO_END trailing edge NB_ERROR_PACKETS MISSING Some UDP packets send by the host were lost NB_ERROR_DATA_MISSING being too fast Function failed to detect the trailing edge before the Scan data missing typically caused by the encoder BOOL nbGetScannedObject2 SCANNEDOBJECTST object This function provides the same benefits as nbGetScannedObject with the addition of light curtain support Input SCANNEDOBJECT2ST Pointer to a user allocated structure containing the scan buffer of the buffer whole object board Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError function to retrieve more information on the nature of failure Remarks For the remarks regarding the common functionality between nbGetScannedObject and nbGetScannedObject2 please see the description of the nbGetScannedObject function The light curtain data array for each scan line of each sensor can be accessed in the following way unsigned short curtain unsigned short buffer gt scanline scanIndex lightcurtain for i 0 i lt numHeads i if isSensorPresent i was this sensor present in the system unsigned short sensorCurtain amp curtain i NB_LIGHTCURTAIN_SIZE for j 0 j lt NB_LIGHTCURTAIN_CELLS j bitValue sensorCurtain bit BITS_IN_WORD amp 0x8000 g
35. e window 2 FireSync IP Configuration Utility E FireSync IP Configuration Utility Device Enumeration Device Enumeration Interface interr PRO 1000 MT Desktop Ac D Interface fintexR PRO 1000 MT Desktop Ac D Subnet IP 90 H 0 H Subnet IP Subnet Mask 255 0 0 0 Subnet Mask Enumerate Address set successful New address will take effect after reboot Figure 7 1 FireSync IP Configuration Utility Software Enter the desired IP and subnet mask in the IP and Mask fields Click the Set button and wait for a change to occur Do not power down the MB Station during the update process When a Success window comes up click ok and re power the station Connect to the MB Station using the new network settings 7 3MB Station Firmware Update MB Station firmware upload is done over the Ethernet connection The following procedure assumes that the network settings are configured correctly Please refer to section 8 3 for more information on the IP Subnet mask setup Tools Hardware Desktop or a Notebook PC with Ethernet 10 100 Mb adapter installed MB Station Software Windows XP SP2 Operating system B Series OEM CD kUpdate program Procedure 1 Poweron the MB Station Allow 30 seconds for the station to boot 2 Run the kUpdate exe program and verify that the MB Station is listed in the Devices tab kUpdate x Subnet Setup rLog d Interface Inte PRO 1000 M
36. e MB Station Initialize MB Station COM port Software trigger of scan frames acquisition upon each encoder pulse Abort complete data acquisition initiated by nbStartScan Set all lasers ON OFF for the entire system Not supported by some sensor models Returns real time light curtain data from an individual sensor Returns real time curtain and range data from an single sensor Returns real time curtain data from all installed sensors Called to mask out individual light curtain bits Returns information on whether a light curtain bit is enabled Specifies encoder offsets for the light curtain data in the entire system Returns the encoder offset table for the light curtain data in the system BOOL nbOpenScanner OPENSCANNERST opp SCANNERPARAMS user_sp This function initializes Ethernet communication between the client CPU and the MB Station This function must be called prior making any other calls to nblib dll API library Input OPENSCANNERST Pointer to a structure of type OPENSCANNERST This structure opp contains two parameters required to initialize the NBLIB for board scanning opp IPAddress ASCII string specifying the host IP address such as 192 168 0 10 If this field is initialized as NULL nblib dll will detect the host Specifying the host address is only necessary for the unlikely cases when there are more then a single host available at the same time opp hEvent Contains a handle to an event If t
37. eeeeeeseeeeeeeeeeeeeeseeseseeeeeeeeeeeessnseeeceeeeeeeees 9 l E Eege e ee E een duo 10 3 2 Connection OvervieW eege geesde eege 10 Sd GOMMECHAG Sensors EE 10 3 3 1 Sensor lNput Qutput eege ee Ee 10 3 4 Bx Cable Specification 11 3 4 1 Bx Power Data Cavles d ac atva data Wade at ee nada ene 11 3 5 Connecting the Encoder scollo 12 3 5 1 Encoder INpulsrrrilana leale aaa salt 12 3 6 GONMEGINO PNOTOGGI Scsi 13 3 6 1 Photocell Input raigia a lil 13 4 Scanning SySteM ME 14 4 1 Scanner System ComponenitSs nenn 14 4 2 ein te Bon 15 4 2 1 Board Detection Mode 0 15 4 2 2 Longitudinal Log Scanning Mode OO 15 4 2 3 Rotational Log Scanning Mode 2 16 4 2 4 Continuous Scanning Mode 3 17 4 2 5 Software Triggered Mode 4 17 4 3 Log Length Blue Tu re TEE 17 5 APL FUNCHONS licia 19 51 NORMEN isola 19 5 2 NbLIb APIETrors iuei ieri 44 6 MB Station and Sensor Parameter Structure rriiiezinienenee 46 T POV STON SOUS iiss aah eee ease teat ee fre ei i 48 7 1 OEM Design Considerations lorella 48 7 2 MB Station IP Address Setup alari ell rt 49 7 3 MB Station Firmware Update 51 ZA Sensor Firmware Upload Procedure 53 7 5 NbTest Diagnostics Program ENNEN 56 7 5 1 RE lle ole aa 57 7 5 2 RE te 58 7 5 3 Range Seen A E A E NE E OOO 59 7 5 4 Photocells and Ehicodert Tab casa 60 7 5 5 Pecora Ee IO Ee 61 7 5 6 Examine
38. es empty data frames containing out of range data only 0x8000 E Photocell state DARK ES Photocell state LIGHT EH Encoder Count Figure 4 2 Diagram of Real Time Log Scanning Data Section 5 5 APIFunctions The functions described in this section provide programming interface between the client computer and the MB Station using NBLIB DLL LMI API library Communication uses TCP IP and UDP protocols over the Ethernet network connection between the MB Station unit and the CPU A typical client computer setup will have an Ethernet network adapter installed with Windows NT 4 0 2000 XP operating system and networking services nblib dll is a C language compatible API All of the functions described in this section are declared in the nblib h header file See one of the following topics for more information 5 1 NbLib API Functions Table 5 1 NbLib API Functions nbOpenScanner Initializes the ethernet interface nbCloseScanner Terminates the ethernet interface nbGetSystemDatalnfo Returns information about data capabilities of the system nbGetLaserStatus Returns individual laser status disabled or enabled nbSetLaserStatus Disable enable laser readings nbGetLaserlnfo Returns diagnostic information from a sensor nbGetHeadInfo Returns individual sensor diagnostics nbGetEncoderlInfo Returns the current encoder count nbSetEncoderlInfo Sets encoder counter nbGetPhotocells Retrieves real time photocells status nb
39. hat requires rapid deterministic completion BOOL nbSetOffsets int offsets int tablesize This function is called to specify the laser offsets table used implicitly by nbGetScannedObject The table must have one entry for each spot for all sensors The user can provide his her own offsets table that has been calculated to compensate for sensor mounting misalignments Input int offsets Pointer to the offsets buffer table int tablesize Size of the offsets table in bytes Must be sizeof int NB MAXHEADS NB MAXSPOTS The table must be of full size even if not all sensors are installed Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError API function to retrieve more information on the nature of failure See Also nbGetOffsets BOOL nbGetOffsets int offsets int tablesize This function is called to obtain the current system calibration laser offsets table The table is implicitly used by nbGetScannedObject API call Input int offsets Pointer to the destination table of laser offsets int tablesize Size of the offsets table in bytes Must be at least sizeof int NB MAXHEADS NB MAXSPOTS The table must be of full size even if not all sensors are installed Return BOOL bResult TRUE on success FALSE on error Call noGetLastError API function to retrieve more information on the nature of failure See Also nbSetOffsets BOOL nbGetSensorMap int buffer int buffersize This function is called to
40. he scanner detects number of range readings greater or equal to this parameter it starts to count the number of subsequent encoder pulses this condition holds see lead_wait This parameter is not being used in any log scanning modes User defined lead wait number of consecutive encoder pulses that the need to elapse while the ci system detects lead_spots of valid range readings to validate the target log see lead_spots This parameter is not being used in any log scanning modes Similar to the leading edge this is maximum number of valid range readings scanner e needs to report in order to keep collecting data Once less that trail_spots trail spots are detected the scanner starts counting consecutive number of encoder pulses this condition holds Once the count reaches trail_spots value the end of log state is issued This parameter is not being used in any log scanning modes User defined trail_wait number of encoder pulses that the end of log condition see trail_spots lasts Applies to board scanners only This parameter specifies how many data history frames prior to detection of leading edge to include in a scan buffers We recommend this to be about 5 encoder pulses You should set it so that you have a buffer of out of range data before the scan data starts Applies to board scanners only This parameter specifies how many data frames after detection of trailing edge to include in scan buffers We recommend this to be about 5 encode
41. his handle is valid the library will signal all asynchronous events using this handle It is the caller s responsibility to create a manual resetable event by a call such as opp hEvent CreateEvent NULL TRUE FALSE NULL If this field is set to NULL the library will not issue any asynchronous event notifications SCANNERPARAMS pointer to the structure containing user parameters for the scanner user ep operation Return Value BOOL bReturn TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of the failure See nbCloseScanner BOOL nbCloseScanner This function terminates communication with the host and performs any necessary cleanup Input VOID Return BOOL TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks If nbOpenScanner returned TRUE when called to initialize the host communication nbCloseScanner should be called to perform any necessary cleanup If this function is not called resource leaks may result BOOL nbGetSystemDatalnfo This function returns information on the data capabilities of the system Input BXHEADDATAINFO Pre allocated output buffer The size should be equal or greater buffer than maxHeads sizeof BXHEADDATAINFO Maximum number of BXHEADDATAINFO elements the supplied ie buffer can store Return BOOL TRUE on success FALSE on error Call noGetLastEr
42. ialogue will appear allowing you to select a DSP LOD file to upload Select the file and press OK Next BxLoad will display a DSP Parameters dialogue box These parameters are modified either during initial setup or by a qualified LMI field service technician To accept the settings and upload them click the Upload Settings button BxLoad will then automatically start uploading code to the sensor Progress is indicated by a progress bar Once finished a confirming dialogue message box appears Press OK IF THE UPLOAD FAILS DO NOT RESET OR POWER DOWN THE SENSOR please try the upload again At this point the selected sensor is uploaded with both new FPGA and DSP code Click the Reset the Unit button to reset the sensor so the settings can take effect You will now return to the initial screen and you can select another sensor to upload to Repeat the procedure steps 7 through 12 for all the remaining sensors Once finished you can reconnect and BxLoad should detect all of the installed sensors again and list their serial numbers in the left pane of the dialogue box Check the logical address of each sensor Change the logical address of the sensor which has the same logical address of a sensor in the same system To change the logical bus address of a sensor you can use digits 1 through 255 In the Logical Address type in the two or three digits preferred again maximum being 255 and repeat steps 11 and 13 Note sensors with last t
43. ight corner of the dialog window Packet indicator indicates number of correct TCP IP packets received by the client NBLIB Test Program Heads 01234567 8 9 1011121314151617 18192021 2223 SEE 00 08 31 est 00 00 22 System Diagnostics Ranges Photocells and Encoder Record Scans Examine Scans Scanner Parameters RANGES PWR SUBPIX SUMPIX WIDTH SPOTS Head po Spot 0 25310 95 11939 21514 661 635 13 6 s 8 Spot 1 25294 98 17303 25073 1200 993 sl 8 si 8 Packets 1485 Spot 2 25299 98 22612 29048 1278 1202 10 10 Ss 8 EE Spot 3 25292 95 27737 33459 321 1190 10 10 s 8 Total Spot 4 25280 105 32531 38257 1311 1914 12 12 s 8 Spot 5 25267 105 36966 43419 1131 1788 11 13 s 8 View Spot 6 25250 108 40953 48782 375 1804 a 17 s 8 7 25242 115 44535 54207 748 1524 7 22 s 8 8 Spot Spot Reset Counters une E Pause Spot 10 Spot 11 Save Laser Diags Spot 12 Spot 13 S N 8000247 Spot 14 Mode 8100 Spot 15 ig Spot 16 DSP Rev Spot 17 FPGA Rev 146 Spot 18 Spot 19 Bus Addr 47 Spot 20 Temp C 29 00 Spot 21 23 20 Spot 22 VCD Volt Figure 7 9 NbTest Diagnostics Tab 7 5 3 Ranges The Ranges Tab displays both numerical and a bar graph representation of current range readings API call nbGetRanges is used NBLIB Test Program Heads 01234567 8 9 10111213 14151617 18 19 2021 2223 Gg 00 09 23 est 00 00 13 System Diagnostics Ranges Photocells a
44. ime ast Sc ctual Time 22 Recale Clear Encoder Store for viewing Fwd Scan Rev Scan Stop Scar View Scarl Pause Save to text file neret Figure 7 12 NbTest Scans Tab 7 5 6 Examine Scans Tab This dialog window displays all scans that you have stored for viewing from the previous Examine Scans tab The maximum number of scans that can be stored for viewing at one time is 200 gt gt gt and lt lt lt buttons will allow you to toggle through the saved scans Clear All will clear all the scans that have been stored for viewing Save Selected will save all the scans between the range indicated by the Start and End fields Save All will save all the scans that have been stored for viewing Auto Zoom check box will zoom into the current scan automatically Reser will reset the scan view to the original view Select All amp Select None will select and deselect all lasers displayed on the graph Individual lasers can also be selected by selecting the appropriate checkbox NBLIB Test Program Heads 01234567 8 9 10111213 1415 1617 18192021 2223 Pees 00 17 42 est 00 00 16 System Diagnostics Ranges Photocells and Encoder Record Scans Examine Scans Scanner Parameters _Reset Auto Zoor E StepX 7 00 StepY 7 00 MinX 0 00 Mir 0 00 MaxX 100 00 MaxY 100 00 o E D a BUAL DIEN SN SU Sl E
45. n be disabled with a call to nbSetLaserStatus Disabling a laser spot reading has no effect on the actual sensor but indicates to the library that the range data from the laser should not be used ignored See Also nbSetLaserStatus BOOL nbSetLaserStatus int sensor int laser BOOL enable This function is called to specify whether the library should be using the indicated laser in acquiring board scan data Input int sensor The sensor index housing the laser in question int laser The index of the laser whose status we want to modify BOOL enable Desired status for the specified laser When TRUE the laser will be used in acquiring board scan data When FALSE the laser spot reading will always be Out of Range Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks When the library is initialized all lasers for all sensors are enabled If any lasers are known to return spurious readings they can be disabled with a call to this function Disabling a spot has no effect on the actual sensor but indicates to the library that the data from the laser spot readings should not be used when acquiring board scans See also nbGetLaserStatus BOOL nbGetValidLasers int sensor int numlasers This function is called to retrieve number of valid lasers from a given sensor This value is defined by the sensor s model number Input int sensor The logical s
46. nd Encoder Record Scans Examine Scans Scanner Parameters Light Curtain Data Head No o 0 000 3 000 6 000 9 000 12 000 15 000 18 000 21 000 24 000 27 000 EZ Packets 823 Errors Total 0 Sensors Range Readings view Reset Counters Pause Figure 7 10 NbTest Diagnostics Tab 7 5 4 Photocells and Encoder Tab This dialog window displays real time encoder and photocell statuses Current MB Stations supports up to 6 photocell inputs Open light state of a photocell is indicated by a green square Blocked dark photocells are indicated by a red square Photocell History View button uses nbGetPhotocellsHistory API call and will display retrieved data in a text format NBLIB Test Program Heads Connected 00 06 20 Test 00 00 30 System Diagnostics Ranges Photocells and Encoder Record Scans Examine Scans Scanner Parameters Encoder Realtime Photocells Photocells History Reset Sensors Count o DEELT Freq Hz Photocells OOFF View NPH Reboot API Events IL OFF Disconnec 1 Ai Lasers OFF Heads Change 1 Log Length Data Get Length Data Board Ready 0 ___GetLenath Dats Leading PC EP Trailing PC EP Length encoder pulses Last gap encoder pulses Leading PC mask Trailing PC mask Figure 7 11 NbTest Photocells and Encoder Tab 7 5 5 Record Scans Tab This Tab shows a bird s eye view of scanned object data The left pane displays real
47. ngthindex or it will be disabled This is only for use in mode 1 Specifies frequency at which the MB Station will poll the sensors for data 0 1000Hz 8 1 1500Hz timer_freq 2 2000Hz The default value is 1000Hz Encoder is sampled at the rising ENCODER_MODE_ONE_COUNT edge of channel A This produces 0 one count per set of quadrature signals Encoder is sampled at the rising encoder mode ENCODER_MODE_TWO_COUNTS and the falling edges of channel A 1 This produces two counts per set of quadrature signals Encoder is sampled at the rising ENCODER_MODE_FOUR_COUNTS jand falling edges of channels A and 2 B This produces four counts per set of quadrature signals Note Increasing the encoder frequency does not change the data sampling frequency If the effective encoder frequency exceeds the sampling frequency timer_frequency field in SCANNERPARAMS encoder counts will be skipped pcindex_stopscan Section 7 7 System Setup 7 1 OEM Design Considerations When designing your B Series scanner system there are a few points that must be taken into consideration to avoid any scanning problems e At no time should welding take place near the scan frame If it is necessary to weld near the frame the scanner the system should have the power turned off and disconnected and the sensors should be covered e When performing a system calibration you should use an aluminum calib
48. nt curtainOffsets int bytesize This function is called to specify the light curtain offsets table used by nbGetScannedObject2 The table must have one entry for each light curtain cell bit for all sensors Input int curtainOffsets Pointer to the offsets table Int bytesize Size of the offsets table in bytes Should be sizeof int NB_MAXHEADS NB_LIGHTCURTAIN_CELLS The table must be of full size even if not all sensors are installed Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of failure Remarks When the library is initialized the offsets are all set to zero Note that the offsets for the unused light curtain bits in the scanned object buffer should not be specified For each sensor the number of offset values should be exactly NB_LIGHTCURTAIN_CELLS BOOL nbGetCurtainOffsets int curtainOffsets int bytesize This function is called to retrieve the light curtain offsets table used by nbGetScannedObject2 Input int curtainOffsets Int bytesize Return BOOL bResult Pointer to the user buffer receiving the offsets table Size of the user buffer in bytes The buffer should be at least sizeof int NB_MAXHEADS NB_LIGHTCURTAIN_CELLS TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of failure 5 2 NbLib API Errors Table 5 2 NBLib API Errors NB_NOERROR NB_ERROR_SOCKET NB_ERROR_NOH
49. nts are logged and immediately transmitted over the Ethernet connection using the UDP protocol to the client computer Upon receiving this type of UDP packet the API will issue the ASYNC_EVENT_LOG_PC_INFO event Once the event is issued the user can import the photocell states information using the nbReadLogLength PCSTATEST pestates int source API call There are two benefits of sending this information to the user One the user is able to calculate current length of the log accurately Second the user has information on the spacing of logs entering the scanner This information may be useful to monitor efficiency of the whole log processing operation The same information can be accessed by polling the MB Station using the TCP IP protocol See nbReadLogLength API call for more explanation Real Time Log Scanning Data in Time Start scanning trigger point encoder pulse EP Start of Log EP log entered the scanner End of Log EP Encoder count Photocell state me Range data maxwidth data segment Once received by the client application board ready event is issued to the client software Leading data representing distance between the photocell zone and the scanner zone yellow contain no valid range readings log is not in the scope of the scanner yet Portion of the last data segment containing no more valid range data to be discarded GE Indicates data frames containing valid log range data J Indicat
50. pot FPGA Rev Spot Spot Bus Addr Spot Temp C Spot Spot VED Volt Figure 8 3 NBLIB Test Program Diagnostic Tab view 8 3 Using the API The MB Station is fully compatible with software written for NPH 66 The B Series OEM CD contains two sample projects to get the user started with software development The sample projects can be built using Visual Studio 2003 The Mt_test project demonstrates the basic steps required to establish a connection with MB Station and start receiving sensor data The Curtain_test project has the same structure as mt_test however it also provides sample code for parsing the light curtain data for the sensors that support it Section 9 9 Warranty 9 1 Warranty Policies The sensor is warranted for two years from the date of purchase from LMI Technologies Inc Products that are found to be non conforming during there warranty period are to be returned to LMI Technologies Inc The shipper is responsible for covering all duties and freight for returning the sensor to LMI It is at LMI s discretion to repair or replace sensors that are returned for warranty work LMI Technologies Inc warranty covers parts labor and the return shipping charges If the warranty stickers on the sensors are removed or appear to be tampered with LMI will void the warranty of the sensor 9 2 Return Policy Before returning the product for repair warranty or non warranty a return material authorization RMA
51. r activities or detection of any object under the scanner Segment 2 Figure 4 1 Example of how a 360 degree measurement can be specified into four 90 degree segments 4 2 4 Continuous Scanning Mode 3 This mode of employment is quite rudimentary and relies completely on the application to analyze data and put together target log models Upon startup the scanner will start delivering data frames on each encoder pulse forward or reverse nblib dll receives data in sections of maxwidth size and issues Board Ready Event after each of them Upon each Board Ready Event the client application transfers the section data into its own data space and executes data processing Meanwhile another data section is being collected 4 2 5 Software Triggered Mode 4 This mode is very similar to Mode 2 In the Software Triggered Mode the triggers to start and stop scanning come from the client application See nbStartScan and nbStopScan for more details After the start command is issued the MB Station continuously sends scanned data to the client delimiting each segment at maxwidth interval This continues until the number of segments reaches the value of the segments parameter or the stop command is issued After completing this process the MB Station waits for another start command 4 3 Log Length Information On each photocell transition light to dark or dark to light the MB Station records the current absolute encoder count These cou
52. r pulses You should set it so that you have a buffer of out of range data after the scan data ends In case of log scanning specifies maximum data segment length in encoder maxwidth pulses see Fig 1 In case of board scanning this parameter represents maximum expected board width in encoder pulses trail_holdscan This parameter allows operator to reverse the transport for given number of encoder pulses without the need to rescan the whole piece This value depends on log stability on the transport mechanism maxreverse Indicates a scanner mode 0 Automatic Board Detection Mode 1 Longitudinal Log Scanning Mode 2 Rotational Log Scanning Mode 3 Continuous Log Scanning Mode 4 Software Triggered Scanning Mode mode pcindextrg trg Specifies external trigger photocell input index 0 5 Encoder scaling factor escale i e value of 4 means that the data will be stored at the resolution of 4 encoder pulses Every 4 pulse will be stored Specifies photocell input index 0 5 used for length measurement must peingex_ien be different form the triggerindex Specifies number of consecutive segments of maxwidth data frames segments encoder pulses to deliver upon each trigger event Data frames are collected regardless of content System defaults to 1 Specifies photocell input index 0 5 used for manually stopping scan must be different form the triggerindex amp le
53. ration bar that has been painted with a flat tan colored paint Also the calibration bar should be handled with care so that no scratches or exposed aluminum is shown e When mounting the sensors they should be staggered side to side Also the top sensors should have their lasers facing directly into the laser windows of the bottoms sensors and vice versa e When designing your frame it is important to have all chains running between sensor heads so that the field of view of the sensors is not being disturbed If this isn t possible then any lasers hitting chains must be mapped out of the system as they will cause spurious data e Encoder resolution is a value that should be designed into your system and then verified once the frame is complete The best way to find encoder resolution is to run your chain until 1500 encoder pulses are generated then measure the physical chain travel to at least the nearest 1 16 The encoder resolution will then be the number of pulses over the distance traveled e f you are designing a system that requires exact width measurement then we recommend using photocells for the width measurement This is because the sensors are meant for range measurement and wane detection but not width measurement Therefore the sensors will have an error if they are being used for width measurement but photocells will give a very good accuracy e When asensor is shipped the logical address is set to the last two digits of the
54. regardless of the number of scan frames acquired so far It is intended to be used in case the transport stops thus no more encoder pulses are issued and the last portion of scan frames are not available to the user Input void Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks See also nbStartScan BOOL nbSetAllLasers int cmd Sends a TCP IP command to turn OFF ON all the lasers in the system This call is useful for the maintenance of the scanner Input int cmd LMI_LASERS_ON LMI_LASERS_OFF Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of failure Remarks This command requires proper COM port settings for the particular sensor model BOOL nbSerialSettings int baudrate int databits int stopbits int parity This function is called to initialize a serial port on the MB Station to enable serial communication between the MB Station and the sensors Input int baudrate Desired COM baudrate int databits 8 int stopbits 1 int parity None Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks This command requires proper COM port settings for the particular sensor model void nbResetMB Station void Soft reset the MB Station unit Input void Return void Remarks Current M
55. rning bulbs mounted on the scanner frame or power supply cabinets are not positioned where they are in direct view of any of the sensor cameras Suggested mounting hole pattern Figure 2 3 Suggested mounting hole layout of the MB Station Section 3 3 Connecting the Hardware Always make sure that the power to the MB Station is off and that all cables are pre tested before connecting to the unit Note that most common problems occur in the cable connection between the sensor and the MB Station unit Always double check your cables for shorts or faulty wiring Please refer to the Connection Diagram below MB Station om Bx00 Sensors Encoder DC Ethernet Photocell Input Powerln Cable Input Figure 3 1 Connection Overview 3 1 DC Power Input Please verify the DC power cables for correct pin outs before connecting to the MB Station WARNING Neither the MB Station nor the sensors include reverse and over voltage protection When the MB Station is powered on the green LED power indicator will light on H 5 Assignment 24VDC 24VDC GND GND www phoenixcontact com P N 1786578 MSTB 2 5 4 STF WI Figure 3 2 DC Power Input pin out 3 2 Connection Overview There is one power cable per sensor Label each power cable as 0 Top 0 Bottom etc so that you know where to wire them in the cabinet Any excess cable length should be inside the frame t
56. rogram will automatically start uploading selected file into the sensor Upload progress is indicated by a progress bar Once finished a message box Fig 1 2 is displayed IF THE UPLOAD FAILS DO NOT RESET OR POWER DOWN THE SENSOR please try the upload again 11 12 13 14 15 16 17 E BxLoad 4 0 0 0 ka Connected Sensors Upload Output 0 6001946 i mt an leggera 1 6001388 Serial Number 6001946 Temp Offset 19 2 16 E 254 Model Number 8005 I Filter Confirmation Ranges 16 5 1 254 SS 16 AR 254 DSP Version 112 16 EAR 254 FPGA Version 16 ag Si 16 KA 254 Logical Address 16 Vv 6 254 16 VALI 254 FPGA Config E EXTCLKdsp Upload FPGA Complete E MaxSubPixFilt MaxSubPixErr E Min Range r i 160 Max Range Desired Power 700 LI Peak Tolerance N A I C Gain H IT Sensor Version 0 GA Laser Threshold 24 16 254 e Grace Ip Set Min Set all SetMax T By Logical Addr Min Ambient NjA Reduction Step N A Tee Te ploa pload Settings Comm Port Increase Step N A Upload FPGA Reset the Unit Min Addr 0 Max Addr 23 Figure 7 7 BxLoad Upload complete Press OK The program will return to the initial screen Next press the Upload DSP button next to the FPGA Firmware button to upload new DSP code Similarly to FPGA Firmware upload procedure a file selection d
57. ror to retrieve more information on the nature of failure BOOL nbSensorReset int sensor_address Soft reset a sensor This call will broadcast a reset command to all installed sensors There is no reply to this command Input int sensor_address The sensor s logical address Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure Remarks Current release ignores the input and broadcasts reset command to all installed sensors All the installed sensors will reset This takes approximately 5 sec BOOL nbGetLaserStatus int sensor int laser BOOL enable This function is called to determine whether the library is currently using the indicated laser in acquiring board scan data Input int sensor The sensor index of which laser status should be returned int laser The laser index of the laser whose status should be returned BOOL enable Returns current status of the specified laser A value of TRUE indicates that the spot is currently used in acquiring board scan data A value of FALSE indicates that the laser readings are disabled and reported range value is always Out of Range Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of failure Remarks All laser spots for any sensor that is not available will be implicitly disabled If any lasers are known to return spurious readings they ca
58. rrent encoder count When the MB Station is first powered on the encoder count is initialized to zero The encoder count is then incremented with each received encoder pulse until a counter overflow occurs The encoder count is then zeroed and begins counting up again Input PHOTOCELLST user buffer to be filled with the current photocells value and encoder count photocellsinfo Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure See Also nbGetPhotocellHistory BOOL nbGetPhotocellsHistory PHOTOCELLST photocellsbuffer int buffersize This function fills a user buffer with the current photocell information and current encoder count At each encoder tick the value of photocells is recorded by the host in a ring buffer The most recently recorded data may be recovered using this API The MB Station buffer can hold at most MAX_PHOTOCELL_BUFFERS readings An attempt to read more data than the buffer contains will lead to an error Input PHOTOCELLST user buffer to be filled with the most recent photocells values and encoder photocellsbuffer counts int buffersize number of elements in photocellsbuffer 1 MAX PHOTOCELL BUFFERS Return BOOL bResult TRUE on success FALSE on error Call noGetLastError to retrieve more information on the nature of failure See Also nbGetPhotocells BOOL nbGetRanges int sensor int numsamples unsigned short ranges
59. st contain at least numHeads numSpots elements A recommended calling sequence should be isAvailable int malloc sizeof int numHeads ranges unsigned short malloc sizeof unsigned short numHeads numSpots if nbGetAllRanges numHeads numSpots isAvailable ranges for i O i lt numHeads i if isAvailble i was this sensor present in the system for j 0 j lt numSpots Tt currentRange ranges i j do something with the range data else process error BOOL nbGetScannedObject SCANNEDOBJECTST object This high level function gathers range readings for all the lasers into a user provided buffer The function detects the leading and trailing edge of an object board being scanned and realigns all individual laser range data using the system offset table obtained by the user during system calibration Each entry in a laser range data buffer corresponds to an encoder pulse Input SCANNEDOBJECTST Pointer to a user allocated structure containing the scan buffer of the buffer whole object board Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError function to retrieve more information on the nature of failure Remarks This API is a blocking call with a timeout This function will attempt to gather scan and photocell information for each encoder interrupt and store it in the user buffer line by line The user must allocate the buffer to hold eno
60. t gt bit BITS_IN_WORD For sensors which do not support light curtain output the data will be 0 This function does not have any performance drawbacks to nbGetScannedObject as the light curtain data is only transmitted from the MB Station NPH 66 if the sensor supports it int nbGetVersion void Report the version number of the nblib dll software library Input void Return int version The current library version int nbGetLastAsyncEvent ASYNCEVENTST apt This function returns the last asynchronous event information Input ASYNCEVENTST Pointer to an ASYNCEVENTST structure that will be modified with apt current information Return int code The code for the last asynchronous event Remarks The user is optionally notified of some asynchronous events see nbOpenScanner If an event is signaled the user can retrieve relevant information using this function The user will typically start a separate thread that waits for an event to be signaled hEventThread StartReadingThread LPTHREAD START ROUT NE EventWaitThread The thread itself is an infinite loop waiting for and processing all events void EventWaitThread ASYNCEVENTST aest while 1 WaitForSingleObject ghEvent INFINITE nbGetLastAsyncEvent amp aest al lt switch aest code case ASYNC EVENT CONNECTION LOST process connection lost break case ASYNC EVENT H
61. t program Initially the file if present will contain only 0 s for laser offset The user can run a straight edge board under the scanner see Scans Tab and once the board data is available pressing Recalculate will use existing board data and calculate the system calibration values and store them in the Offsets dat file for future use These values can be cleared by pressing the Clear push button Both Factors dat and Offsets dat are just an example format of preserving system data and used by NbTest exe diagnostics program User will have to implement their own method of storing scanner parameters initialization values and the system calibration data 7 5 1 System Tab Upon startup of the program the System tab appears Several functions can be executed pressing the following buttons on the dialogue display Connect Pressing this will establish Ethernet communication with the MB Station host concentrator The Nbtest application also receives the system status indicating the presence of all operational sensors connected The detected sensors will be indicated by a green square in the Heads array at the top of the dialog screen Connection status is indicated in a window to the right of the Connect button When connected this window will be green and say No Error Modify Logical Sensors Map MB Station is using a user defined logical table of connector vs system sensor map allows the user to connect sensors to the M
62. to Section 8 3 The following instructions assume that all steps in Section 9 1 have been completed successfully 1 Copythe contents of the B Series OEM CD into a local folder 2 Start the nbTest application located in API bin 3 Open the Scanner Parameters tab NBLIB Test Program Heads 011 213 4 15 6 7 8 9 109192931415 1617 1819 2021 2223 Connected 00 00 00 Test 00 00 05 System Diagnostics Ranges Photocells and Encoder Record Scans Examine Scans Scanner Parameters Scanner Parameters EE Serial Port Settings ress Baud Rate 115200 Lead spots 193 168 0 151 i Data Bits 8 e Parity Accept New Parameters H none z Stop Bits 1 X Cancel Apply Lead wait Trail Spots Trail wait Lead History Maxwidth CH DD Max reverse Mode Trigger index Encoder Length index Segments Trail History StopScan Index Timer Frequency Encoder mode Figure 8 1 NBLIB Test Program Scanner Parameter settings 4 Enter the MB Station IP address into the NPH 66 IP Address field and press Accept New Parameters button 5 Open the System tab and press the Connect button NBLIB Test Program Heads 01234567 8 9 1011121314151617 18192021 2223 Geer 00 00 06 est 00 01 14 System Diagnostics Ranges Photocells and Encoder Record Scans Examine Scans Scanner Parameters NPH Fw ver Current Logical Sensors Map 573220 O 1 2 3 4 5 6 7 8 9 fio fil fi2
63. ubing Connect Integrated Power cable to the MB Station Position is not significant any cable can go to any available connector Suggested bolt size 8 to 10 3 3 Connecting Sensors When connecting sensors please ensure that the cables are fully pushed into place and that the hold down sleeve is screwed on hand tight 3 3 1 Sensor Input Output MB Station provides DC power and proprietary high speed differential serial link of up to 24 installed sensors Power supplies to operate the sensors should be mounted in a cabinet on or near the sensor frame to reduce voltage drops to each sensor MB Station Input The connection to the MB Station is an Amphenol C091 61G008 110 2 Cable The power cable connector used is an Amphenol C091 31H008 101 2 3 4 Bx Cable Specification 3 4 1 Bx Power Data Cable A single four pair plenum grade i e industrial shielded CATS cable is run to each head from the MB Station The power cable connector used is a DIN 41 326 Standard 8 pin circular connector Pin outs are below as viewed from the solder side D Z Assignment RxTx SerialClock SerialData VDC SerialClock RxTx SerialData a ows wo n e VDC Figure 3 3 Pin out of the cable from the solder side inside VDC DC power VDC and Ground return VDC Asynchronous 19 4 kBaud serial bi directional pair RS 485
64. ugh scan lines using a call such as buffer SCANNEDOBJECTST malloc sizeof SCANNEDOBJECTST maxscanlines sizeof ONELINEST If the buffer is successfully allocated the field allocated lines must be initialized if buffer NULL buffer gt allocatedlines maxscanlines else process error After the buffer has been successfully allocated and initialized we can call the API if nbGetScannedObject buffer process scanlines and photocells else process error error nbGetLastError NULL Upon successful completion of this function the SCANNOBJECTST fields are filled as follows buffer firstscanline holds index of the buffer line with the first board scan information buffer lastscanline holds the index of the buffer line with the last board scan information buffer firstohotoline holds index of the buffer line with the first valid photocells information buffer lastphotoline holds index of the buffer line with the last valid photocells information All additional fields are for internal use only and should be ignored by the user Each valid scan line contains encoder position photocell values and the actual scan data The scan data is adjusted using the internal offsets table See nbSetOffsets for more information This function can generate errors specific to this API NB_ERROR_API_ TIMEOUT Function timed out waiting for scans NB_ERROR_NO_ BEGINNING Function failed to dete
65. wo digits of the serial number that are zeros e g B8001600 are set to 100 No Logical address can be set to zero Enumeration vs Override Enumeration Method There are two methods to upload firmware code to a sensor Enumeration and Override Enumeration Override Enumeration method is used to detect a sensor specifying the last three digits of the serial number This method is used when two of the sensors in the system have the last three digits identical It is a very unlikely yet possible In such a case click the By Logical Address box and type in the last 3 digits of the serial number no need to type leading 0 s then click Connect Follow procedure steps 6 and onwards to complete the upload 7 5 NbTest Diagnostics Program NbTest exe is a Win32 program running under Windows 9x NT 2000 XP operating systems The program is designed to verify correct setup and operation of a sensor based scanning system NbTest exe uses following files nblib dill LMI API library factor dat A text file containing desired scanner parameters This file can be edited modified using any text editor to test different scanner parameters If this file is not present the NbTest exe will create one using default parameters once it is opened see SCANNERPARAMS structure offsets dat This file contains system calibration individual lasers offsets in encoder units in the direction of the target movement This table can be produced using NbTes
66. ystem sensor index of the desired sensor Pointer to an integer to store the number of valid lasers in the sensor Depending on the sensor attached thisvalue can be anywhere between 0 all the lasers are disabled and 8 for B8 sensors or 16 for B16 sensors or 23 for M24B sensor int numlasers Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of the failure Remarks BOOL nbGetLaserlnfo int sensor int laser BXSPOTDATA laserData This function is called to retrieve diagnostic data for a particular laser Input int sensor The logical system sensor index of the desired sensor int laser Laser index of a given sensor BXSPOTDATA Pointer to a structure of type BXSPOTDATA that is to be filled in with laserData diagnostic data read from the sensor Return BOOL bResult TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of the failure BOOL nbGetHeadiInfo int sensor BXHEADDATA sensorData This function is called to retrieve diagnostic data for a particular sensor Input int sensor The logical system sensor index of the desired sensor BXHEADDATA Pointer to a structure of type BXHEADDATA that is to be filled in with laserData diagnostic data read from the sensor Return BOOL bReturn TRUE on success FALSE on error Call nbGetLastError to retrieve more information on the nature of the failure BOOL

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