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VB24

4.2.2

RS485 Full-Duplex Interface

The RS485 full-duplex (5 wires + shield) interface is used for non-polled communication

protocols in point-to-point connections over longer distances (max 1200 m / 3940 ft) than

those acceptable for RS232 communications or in electrically noisy environments.

The CBX pinout follows:

CBX100/500

Function

TX+

RS485 Transmit Data +

RX+

RS485 Receive Data +

TX-

RS485 Transmit Data -

RX-

RS485 Receive Data -

SGND

Signal Ground

RX485+ TX485+

SGND

RX485-

TX485-

USER INTERFACE

SGND TX+

RX+

TX-

RX-

SCANNER

Figure 23 - RS485 Full-duplex Connections

NOTE

For applications that do not use RX485 signals, do not leave these lines

floating but connect them to SGND as shown below.

RX485+

SGND

RX485-

USER INTERFACE

SGND TX+

TX-

SCANNER

Figure 24 - RS485 Full-duplex Connections using Only TX Signals

Содержание FUQ-B8

Страница 1: ...VB24 BARCODE SCANNER FABRIKAUTOMATION MANUAL ...

Страница 2: ...onfiguration Program 10 Step 6 Test Mode 15 Advanced Scanner Configuration 16 2 INTRODUCTION 17 2 1 Product Description 17 2 1 1 Indicators 18 2 2 ID NET 18 2 2 1 How To Setup Configure the Scanner Network 20 2 3 Human Machine Interface 21 2 3 1 Diagnostic Indication 21 2 3 2 Mode Functions 22 2 4 Display 24 2 4 1 Display Messages 25 3 INSTALLATION 28 3 1 Package Contents 28 3 2 Mechanical Install...

Страница 3: ...ce 58 5 3 ID NET Interface 60 5 3 1 ID NET Cables 60 5 3 2 ID NET Response Time 61 5 3 3 ID NET Network Termination 65 5 4 Auxiliary RS232 Interface 65 5 5 Inputs 66 5 5 1 Code Verifier 69 5 6 Outputs 69 5 7 User Interface Host 70 6 TYPICAL LAYOUTS 72 6 1 Point to Point 72 6 2 Pass Through 74 6 3 ID NET 76 6 4 RS232 Master Slave 79 6 5 Multiplexer Layout 80 7 READING FEATURES 81 7 1 Advanced Code ...

Страница 4: ...VB24 iv 8 MAINTENANCE 91 8 1 Cleaning 91 9 TROUBLESHOOTING 92 9 1 General Guidelines 92 10 TECHNICAL FEATURES 95 GLOSSARY 97 INDEX 101 ...

Страница 5: ...anual CBX Accessory Manuals SERVICES AND SUPPORT Pepperl Fuchs GmbH provides several services as well as technical support through its website Log on to www pepperl fuchs com PRODUCTS Search through the links to arrive at your product page which describes specific Info Features Applications Models Accessories and Downloads including the Genius utility program which allows device configuration usin...

Страница 6: ...th EN 60825 1 and CDRH 21 CFR 1040 at the date of manufacture The scanner is classified as a Class 2 laser product according to EN 60825 1 regulations and as a Class II laser product according to CDRH regulations There is a safety device which allows the laser to be switched on only if the motor is rotating above the threshold for its correct scanning speed The laser beam can be switched off throu...

Страница 7: ... of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference which may cause undesired operation This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to pro...

Страница 8: ...on and shock when correctly installed however it is also a precision product and therefore before and during installation it must be handled correctly to avoid damage avoid that the scanners hit one another causing damage They should be handled separately avoid that the scanners are dropped exceeding shock limits ...

Страница 9: ...ne the positioning by striking the scanner or bracket do not weld the scanner into position which can cause electrostatic heat or output window damage do not spray paint near the scanner which can cause output window damage ...

Страница 10: ...VB24 x GENERAL VIEW VB24 1000 Figure A 1 2 3 6 5 POWER ON LED Indicator LEDs Laser Beam Output Window Push Button 4 Display Focus Adjustment 4 2 1 3 5 6 ...

Страница 11: ...system in a Stand Alone configuration you need the hardware indicated in Figure 1 In this layout the data is transmitted to the Host on the main serial interface In Local Echo communication mode the RS232 auxiliary interface can be used to transmit data independently from the main interface selection When On Line Operating mode is used the scanner is activated by an External Trigger photoelectric ...

Страница 12: ...ger B polarity insensitive TX Auxiliary Interface TX V Power Reference External Trigger RX Auxiliary Interface RX V Power Source Inputs SGND Auxiliary Interface Reference I2A Input 2 A polarity insensitive ID NET I2B Input 2 B polarity insensitive REF Network Reference V Power Reference Inputs ID ID NET network Shield ID ID NET network Shield Network Cable Shield Main Interface RS232 RS485 Full Du...

Страница 13: ...ower supply input voltage 1 CHASSIS Cable shield connected to chassis 18 I1A External Trigger A polarity insensitive 19 I1B External Trigger B polarity insensitive 6 I2A Input 2 A polarity insensitive 10 I2B Input 2 B polarity insensitive 8 O1 Output 1 22 O1 Output 1 11 O2 Output 2 12 O2 Output 2 20 RX Auxiliary RS232 RX 21 TX Auxiliary RS232 TX 23 ID ID NET network 24 ID ID NET network 14 15 16 1...

Страница 14: ...gures below Figure 3 Positioning with Mounting Bracket 2 When mounting the VB24 take into consideration these three ideal label position angles Skew 15 to 30 Tilt 0 and Pitch 0 Assure at least 15 Minimize Minimize Figure 4 Skew Tilt and Pitch Angles 3 Refer to the Reading Diagrams in par 7 4 to decide the distance your scanner should be positioned at Skew 45 15 0 15 45 Pitch S T P ...

Страница 15: ...on 2 Using a screwdriver turn the focus adjustment screw in the desired direction clockwise focus nearer to the scanner or counterclockwise focus farther from the scanner The focus position in centimeters and inches is shown on the scanner display NOTE The value of the Focus Position must be stored in memory If the mechanical position changes by more than the allowed tolerance of the value in memo...

Страница 16: ...n This LED confirms successful reading TRIGGER Yellow This LED indicates the status of the reading phase COM Yellow This LED indicates active communication on main serial port STATUS Red This LED indicates a NO READ result In On Line mode the TRIGGER LED corresponds to the active reading phase signaled by the Presence Sensor In Automatic and Continuous modes the TRIGGER LED is always on indicating...

Страница 17: ...ntil the LEARN LED stays steady on indicating the reader has detected the barcode C repeat if needed the above two steps to program up to 10 different barcodes the LEARN LED returns to the blinking state for the next code If more than one barcode is detected in the scan line the Multi Label mode is enabled 3 Exit the process by pressing the Mode push button once The scanner will restart at the end...

Страница 18: ...ific barcode green green yellow yellow red READY GOOD TRIGGER COM STATUS SETUP LEARN TEST FOCUS Figure 6 Mode Interface Auto Setup Function The procedure is as follows A place the desired barcode on the scanline B enter the AutoSetup function the laser turns on and the SETUP LED blinks to indicate the ongoing process C wait until the SETUP LED stays steady on indicating the reader has detected the...

Страница 19: ...rface Focus Lock Unlock Function The procedure is as follows A enter the Focus Lock function B wait until the Focus locked at message appears on the display indicating the focus position has been saved to memory The following parameters are set Locked Position your mechanical setting Focus Displacement Alarm set default to display only The scanner will restart at the end of the process NOTE If you...

Страница 20: ...nius running on a laptop computer is connected to the scanner auxiliary port through the CBX100 500 9 pin connector To communicate with the scanner Genius performs an auto baudrate detection starting from its default parameters which are 115200 8 N 1 These parameters can also be set in the Genius Tools Options Communications window Wizard for Quick Reader Setup After installing the Genius software...

Страница 21: ...VB24 11 1 Select the Create a new configuration button You will be guided through the configuration being asked to define the following parameters a Barcode selection and definition ...

Страница 22: ...VB24 12 b Operating mode selection and definition c Digital Outputs configuration ...

Страница 23: ...rating mode does not require connection to an external Presence Sensor When working in this mode the reader is continuously scanning while the reading phase is activated each time a barcode enters the reader reading zone The reader stops reading after an N number of scans without a code Barcode characters are transmitted on the serial interface In case of a failed reading phase no message is sent ...

Страница 24: ...as follows Saving the configuration to disk Switching to Advanced mode Sending the configuration to the scanner 3 After sending the configuration to the scanner you have completed the configuration process 4 By clicking Finish the System Information window will be displayed with specific information concerning the scanner ...

Страница 25: ...ed the Bar Graph on the five LEDs is activated and if the scanner starts reading barcodes the Bar Graph shows the Good Read Rate In case of no read condition only the STATUS LED is on and blinks green green yellow yellow red READY GOOD TRIGGER COM STATUS SETUP LEARN TEST FOCUS Figure 9 Mode Interface Test Mode Function 3 To exit the Test Mode press the Mode push button once NOTE By default the Tes...

Страница 26: ...uter using the Host Mode programming procedure by commands via the serial interface See the Host Mode Programming file on the webpage Alternative Layouts The ID NET network is a built in high speed interface dedicated for high speed scanner interconnection ID NET is in addition to the Main and Auxiliary serial interfaces If you need to install an ID NET network refer to the VB24 Reference Manual T...

Страница 27: ...4 Advanced Code Reconstruction 4th Generation small dimensions and light weight software programmable scanning speed completely configurable via serial interface Genius 3 serial communication interfaces Main Auxiliary ID NET supply voltage from 10 to 30 Vdc reads all popular codes test mode to verify the reading features and exact positioning of the scanner without the need for external tools prog...

Страница 28: ...e of data transmission because of polling activity on the Fieldbus network During the reader startup reset or restart phase all the LEDs blink for one second On the back of the reader near the cable the POWER ON LED indicates the laser scanner is correctly powered 2 2 ID NET The ID NET network is a built in high speed interface dedicated for high speed scanner interconnection ID NET is in addition...

Страница 29: ... typically located far away from each other and they use a dedicated presence sensor At the end of each reading phase each scanner transmits its own data message to the host Thanks to ID NET data collection among readers is accomplished at a high speed without the need of an external multiplexing device This leads to an overall cost reduction and to a simple system wiring ...

Страница 30: ... the prompt to Send updated Network configuration to the Local Device Master choose Yes 4 Then run the NET AUTOSET procedure from the Icon in the Devices Area Genius sets all slave scanners according to the Master Role Synchronized or Multidata and assigns each a random address If necessary this address can be changed through the Network Wizard 5 Configure the System parameters via Genius 6 If usi...

Страница 31: ...EDs when in the one of the operating modes On Line Automatic or Continuous are illustrated in par 2 1 1 NOTE Except for the Focus Lock Unlock function the Mode functions do not work if the motor or laser are turned off see chp 9 for details 2 3 1 Diagnostic Indication The STATUS and READY LEDs blink simultaneously to signal the presence of a failure Diagnostic message can be enabled to provide det...

Страница 32: ...ATUS SETUP LEARN TEST FOCUS READY GOOD TRIGGER COM STATUS SETUP LEARN TEST FOCUS Release button to Exit Release button to enter Test Mode Release button to enter AutoLearn READY GOOD TRIGGER COM STATUS SETUP LEARN TEST FOCUS READY GOOD TRIGGER COM STATUS SETUP LEARN TEST FOCUS READY GOOD TRIGGER COM STATUS SETUP LEARN TEST FOCUS Release button to enter AutoSetup Release button to enter Focus Lock ...

Страница 33: ...he detected barcodes are automatically configured in scanner memory AutoSetup Function Once entered if a barcode label is positioned in front of the scanline the scanner automatically performs the optimal setup of the reading parameters for that specific barcode The procedure is as follows place the desired barcode on the scanline enter the AutoSetup function the laser turns on and the SETUP LED b...

Страница 34: ...rocess Reset Scanner to Factory Default If it ever becomes necessary to reset the scanner to the factory default values you can perform this procedure by holding the Mode push button pressed while powering up the scanner At the end of the procedure about 5 6 seconds the Configuration and Environmental parameters are reset all LEDs blink simultaneously 3 times and the message Default Set is shown o...

Страница 35: ...00 Z code content F focus distance in given in centimetres and inches Autolearn Results X X X X X X X X X Y Y D G T A u t o l e a r n O k Z Z X recognized code symbology Y number of digits in the read code Z number of configured slot at the end of the procedure this number represents the total slots configured Diagnostic Alarms A l e r t M o t o r S p e e d X X X X Y Y Y Y X expected speed Y actua...

Страница 36: ... Y number of codes read G o o d X X X X X X X X X X X Y Y D G T D W W W S S S X code content Y number of digits in the code DGT digits D code direction F forward R reverse U unknown Linear Reading only if the Quality Counters parameter is enabled W number of scans on the code S Quality Counters value max 100 Code Reconstruction W number of scans on the code max 255 S number of decodes max 255 on t...

Страница 37: ...dress Axx Mux32 Slave address 232 RS232 network Null string Alone no network S N X X X X X X X X X F Z Z Z C M Y Y Y I N X device serial number Z focus position in cm Y focus position in inches Network Diagnostic Messages Master only The display alternates between message 1 and 2 1 N e t w o r k 1 5 S S S S S S S S S S S S S S S S 1 6 N e t w o r k 3 1 S S S S S S S S S S S S S S S S S Slave diagn...

Страница 38: ...that the VB24 reader and all the parts supplied with the equipment are present and intact when opening the packaging the list of parts includes VB24 reader with cable Mounting Kit bracket screws flat washers lock washers Figure 11 VB24 Package Contents ...

Страница 39: ...oles M5 x 3 for fixture to the U shaped mounting bracket The following diagrams give the overall dimensions of the scanner and mounting brackets and may be used for installation Refer to par 0 and 3 3 for correct positioning 101 3 98 85 3 34 M4 M4 M4 M4 81 3 19 87 7 3 45 37 1 46 41 9 1 65 37 8 1 49 27 9 1 10 12 1 0 48 5 2 0 21 M5 M5 7 5 0 30 34 1 34 10 0 39 13 0 51 10 0 39 41 4 1 63 M5 42 1 65 Fig...

Страница 40: ...2 0 17 Figure 13 L Shape Mounting Bracket Overall Dimensions 71 6 2 82 100 6 3 96 103 4 06 74 2 91 76 9 3 03 3 0 12 108 4 25 30 1 18 64 2 2 53 70 2 76 Ø5 5 Ø0 22 N 2 56 2 20 15 15 45 45 9 0 35 27 5 1 08 45 45 4 5 4 5 15 15 15 1 5 64 2 2 53 Ø5 5 Ø0 22 8 1 0 3 2 N 2 Figure 14 U Shape Mounting Bracket Overall Dimensions mm in mm in ...

Страница 41: ...he VB24 mounting bracket you can quickly and easily obtain standard mounting positions i e 15 Skew angles for the reader as shown in the following figures Figure 15 Positioning with L Shape Mounting Bracket Skew 45 15 0 15 45 Pitch ...

Страница 42: ...VB24 32 Figure 16 Positioning with U Shape Mounting Bracket Pitch Skew 0 15 45 45 15 alignment marks ...

Страница 43: ... represented by the value S in Figure 17 Position the reader to assure at least 15 for the Skew angle This avoids the direct reflection of the laser light emitted by the VB24 Figure 17 VB24 Skew Angle The Tilt angle is represented by the value T in Figure 18 Position the reader in order to minimize the Tilt angle Figure 18 VB24 Tilt Angle By using the ACR4 Advanced Code Reconstruction software par...

Страница 44: ...VB24 34 The Pitch angle is represented by the value P in Figure 19 Position the reader in order to minimize the Pitch angle Figure 19 VB24 Pitch Angle P P ...

Страница 45: ...k connectors Use this pinout when the VB24 reader is connected by means of the CBX100 500 CBX100 500 Terminal Block Connectors Input Power Vdc Power Supply Input Voltage GND Power Supply Input Voltage Earth Protection Earth Ground Inputs V Power Source External Trigger I1A External Trigger A polarity insensitive I1B External Trigger B polarity insensitive V Power Reference External Trigger V Power...

Страница 46: ...nection box verify the jumper positions in the CBX as indicated in its Installation Manual 4 1 POWER SUPPLY Power can be supplied to the scanner through the CBX100 500 spring clamp terminal pins as shown in Figure 20 V in Earth Ground Power Supply VGND Figure 20 Power Supply Connections The power must be between 10 and 30 Vdc only It is recommended to connect the device CHASSIS to earth ground Ear...

Страница 47: ...e on the CBX spring clamp terminal blocks If the interface type is not compatible with the current communication handshaking then the system forces the handshake to none The main interface type and the relative parameters baud rate data bits etc can be set using the Genius utility program or the Genius based Host Mode Programming procedure Details regarding the connections and use of the interface...

Страница 48: ...rall maximum cable length must be less than 15 m 49 2 ft SGND RXD TXD CTS RTS USER INTERFACE SGND TX RX RTS CTS SCANNER Figure 21 RS232 Main Interface Connections Using Hardware Handshaking The RTS and CTS signals control data transmission and synchronize the connected devices START OF TRANSMISSION END OF TRANSMISSION V RTS V V TX DATA V V CTS V DATA TRANSMISSION DATA TRANSMISSION C1 C2 C4 C3 C5 T...

Страница 49: ... CBX pinout follows CBX100 500 Function TX RS485 Transmit Data RX RS485 Receive Data TX RS485 Transmit Data RX RS485 Receive Data SGND Signal Ground RX485 TX485 SGND RX485 TX485 USER INTERFACE SGND TX RX TX RX SCANNER Figure 23 RS485 Full duplex Connections NOTE For applications that do not use RX485 signals do not leave these lines floating but connect them to SGND as shown below RX485 SGND RX485...

Страница 50: ...aster device polls slave devices to collect data CBX100 500 Function RTX RS485 Receive Transmit Data RTX RS485 Receive Transmit Data SGND Signal Ground RTX485 SGND RTX485 USER INTERFACE SGND RTX RTX SCANNER Figure 25 RS485 Half duplex Connections This interface is forced by software when the protocol selected is MUX32 protocol In a Multiplexer layout the Multidrop address must also be set via seri...

Страница 51: ...ER Shield to Earth 120 Ohm CBX100 500 Shield floating CBX100 500 Shield floating CBX100 500 SGND Shield RTX RTX SGND Shield RTX RTX SGND Shield RTX RTX Shield floating RS485 HD Termination Resistor OFF RS485 HD Termination Resistor OFF RS485 HD Termination Resistor ON Figure 26 VB24 Multidrop Connection to a Multiplexer When using CBX500 the Main interface multidrop network signals Shield SGND RTX...

Страница 52: ... length depends on the baudrate used see the Baudrate Table below For Common Power Connections use only 2 wires ID and ID DC Voltage Power cable Vdc GND should be handled as a signal cable i e do not put it together with AC cable Wire dimensioning must be checked in order to avoid voltage drops greater than 0 8 Volts Cable should lie down as near as possible to the ID NET cable avoiding wide loops...

Страница 53: ...e Trigger activation and the beginning of data transmission to the Host Max ID NET Response Time 240 220 200 180 160 140 120 100 80 60 40 20 0 Response Time ms Number of Nodes 500 kbps 250 kbps 125 kbps 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Figure 27 ID NET Response Time CONDITIONS ID NET M S Synchronized layout message length 50 bytes per node ...

Страница 54: ...VB24 44 Figure 28 ID NET Network Connections with isolated power blocks Power Supply Power Supply Power Supply ...

Страница 55: ...VB24 45 Figure 29 ID NET Network Connections with Common Power Branch Network ...

Страница 56: ...VB24 46 Figure 30 ID NET Network Connections with Common Power Star Network ...

Страница 57: ...using the Genius utility program or Genius based Host Mode Programming The 9 pin female Auxiliary Interface connector inside the CBX is the preferred connector for device configuration or communication monitoring 5 1 6 9 Figure 31 9 pin female connector If permanent system wiring is required the following pins are used to connect the RS232 auxiliary interface CBX100 500 Function RX Auxiliary Inter...

Страница 58: ...I1A External Trigger A polarity insensitive I1B External Trigger B polarity insensitive V Power Reference External Trigger The External Trigger input is used in the On Line operating Mode and tells the scanner to scan for a code The active state of this input is selected in software Refer to the Genius Help On Line The yellow Trigger LED Figure A 3 is on when the active state of the External Trigg...

Страница 59: ...VB24 Power EXTERNAL TRIGGER INPUT CONNECTIONS USING EXTERNAL POWER Pulled down to External Input Device Reference Input Signal PNP Photocell Figure 35 PNP External Trigger Using External Power Pulled up to External Input Device Power Input Signal NPN Photocell Figure 36 NPN External Trigger Using External Power ...

Страница 60: ...Signal Reference Input Device PNP Input 2 Using VB24 Power Power to Input Input Device Signal Input Device Reference Input Device NPN Input 2 Using VB24 Power INPUT 2 CONNECTIONS USING EXTERNAL POWER Pulled down to External Input Device Reference Input Signal Input Device Figure 37 PNP Input 2 Using External Power Pulled up to External Input Device Power Input Signal Input Device Figure 38 NPN Inp...

Страница 61: ... scanner s non volatile Flash memory 4 6 OUTPUTS Two general purpose outputs are available CBX100 500 Function V Power Source Outputs O1 Output 1 O1 Output 1 O2 Output 2 O2 Output 2 V Power Reference Outputs The meaning of the two outputs Output 1 and Output 2 can be defined by the user No Read Right Wrong etc Refer to the Genius Help On Line By default Output 1 is associated with the No Read even...

Страница 62: ...put Device Output Signal Figure 40 Open Collector Output Using VB24 Power OUTPUT CONNECTIONS USING EXTERNAL POWER Pulled up to External Output Device Power Output Signal Output Device Figure 41 Open Emitter Output Using External Power Pulled down to External Output Device Reference Output Signal Output Device Figure 42 Open Collector Output Using External Power VBCEB max 30 Vdc I max 40 mA continu...

Страница 63: ...inout for standard RS232 PC Host interface For other user interface types please refer to their own manual RS232 PC side connections 1 5 9 6 9 pin male connector 13 25 14 1 25 pin male connector Pin Name Pin Name 2 RX 3 RX 3 TX 2 TX 5 GND 7 GND 7 RTS 4 RTS 8 CTS 5 CTS ...

Страница 64: ...D Power supply input voltage 1 CHASSIS Cable shield connected to chassis 18 I1A External Trigger A polarity insensitive 19 I1B External Trigger B polarity insensitive 6 I2A Input 2 A polarity insensitive 10 I2B Input 2 B polarity insensitive 8 O1 Output 1 22 O1 Output 1 11 O2 Output 2 12 O2 Output 2 20 RX Auxiliary Interface RX 21 TX Auxiliary Interface TX 23 ID ID NET network 24 ID ID NET network...

Страница 65: ...SIS to a common earth ground 5 2 MAIN SERIAL INTERFACE The signals relative to the following serial interface types are available on the input output connector of VB24 If the interface type is not compatible with the current communication handshaking then the system forces the handshake to none The main interface type and the relative parameters baud rate data bits etc can be set using the Genius ...

Страница 66: ...Send 5 CTS Clear To Send 7 GND Ground It is always advisable to use shielded cables The overall maximum cable length must be less than 15 m 49 2 ft VB24 7 4 5 3 GND RTS CTS RX TX 2 USER INTERFACE GND CTS RTS TXD RXD 1 Chassis Figure 45 RS232 Main Interface Connections Using Hardware Handshaking The RTS and CTS signals control data transmission and synchronize the connected devices START OF TRANSMI...

Страница 67: ...an those acceptable for RS232 communications or in electrically noisy environments The connector pinout follows 25 pin Name Function 2 TX RS485 Transmit Data 3 RX RS485 Receive Data 4 TX RS485 Transmit Data 5 RX RS485 Receive Data 7 GND Ground VB24 TX 2 TX 4 RX 3 RX485 RX 5 TX485 7 GND GND USER INTERFACE Chassis 1 Figure 47 RS485 Full duplex Connections NOTE For applications that do not use RX sig...

Страница 68: ...ave devices to collect data The connector pinout follows 25 pin Name Function 2 RTX RS485 Receive Transmit Data 4 RTX RS485 Receive Transmit Data 7 GND Ground RTX 2 RTX 4 RTX485 RTX485 7 GND MULTIPLEXER RS485REF VB24 1 Chassis Figure 49 RS485 Half duplex Connections This interface is forced by software when the protocol selected is MUX32 protocol In a Multiplexer layout the Multidrop address must ...

Страница 69: ...VB24 59 Figure 50 VB24 Multidrop Connection to a Multiplexer Power Supply Power Supply Power Supply Power Supply ...

Страница 70: ... on the baudrate used see the Baudrate Table below For Common Power Connections use only 2 wires 23 and 24 DC Voltage Power cable Vdc GND should be handled as a signal cable i e do not put it together with AC cable Wire dimensioning must be checked in order to avoid voltage drops greater than 0 8 Volts Cable should lie down as near as possible to the ID NET cable avoiding wide loops between them S...

Страница 71: ...e Trigger activation and the beginning of data transmission to the Host Max ID NET Response Time 240 220 200 180 160 140 120 100 80 60 40 20 0 Response Time ms Number of Nodes 500 kbps 250 kbps 125 kbps 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Figure 51 ID NET Response Time CONDITIONS ID NET M S Synchronized layout message length 50 bytes per node ...

Страница 72: ...VB24 62 Figure 52 ID NET Network Connections with isolated power blocks Power Supply Power Supply Power Supply ...

Страница 73: ...VB24 63 Figure 53 ID NET Network Connections with Common Power Branch Network ...

Страница 74: ...VB24 64 Figure 54 ID NET Network Connections with Common Power Star Network ...

Страница 75: ...eters relative to the aux interface baud rate data bits etc as well as particular communication modes such as LOCAL ECHO can be defined using the Genius utility program or Genius based Host Mode Programming The following pins of the 25 pin connector are used to connect the RS232 auxiliary interface Pin Name Function 20 RX Receive Data 21 TX Transmit Data 7 GND Ground 7 GND GND TXD RX 20 RXD TX 21 ...

Страница 76: ... polarity insensitive 19 I1B External Trigger B polarity insensitive 7 GND Power Reference External Trigger The External Trigger input is used in the On Line operating Mode and tells the scanner to scan for a code The active state of this input is selected in software Refer to the Genius Help On Line The yellow Trigger LED Figure A 3 is on when the active state of the External Trigger corresponds ...

Страница 77: ...ER VB24 Signal 18 19 9 7 Ground V VCC Vdc GND I1A I1B Figure 58 NPN External Trigger using VB24 power EXTERNAL TRIGGER INPUT CONNECTIONS USING EXTERNAL POWER VB24 EXTERNAL TRIGGER Vext 30 Vdc max 18 19 VCC V Signal I1A I1B Figure 59 PNP External Trigger Using External Power VB24 EXTERNAL TRIGGER Vext 30 Vdc max 18 19 Signal V VCC I1A I1B Figure 60 NPN External Trigger Using External Power ...

Страница 78: ...und V Signal VCC Vdc GND I2A I2B Figure 61 PNP Input 2 Using VB24 Power INPUT DEVICE VB24 Signal 6 10 9 7 Ground V VCC Vdc GND I2A I2B Figure 62 NPN Input 2 Using VB24 Power INPUT 2 CONNECTIONS USING EXTERNAL POWER VB24 EXTERNAL TRIGGER Vext 30 Vdc max I2A 6 10 I2B VCC V Signal Figure 63 PNP Input 2 Using External Power VB24 EXTERNAL TRIGGER Vext 30 Vdc max I2A 6 10 Signal V I2B VCC Figure 64 NPN ...

Страница 79: ...UTS Two general purpose outputs are available The following pins are present on the 25 pin connector of the scanner 25 pin Name Function 9 Vdc Power Source Outputs 8 O1 Output 1 22 O1 Output 1 11 O2 Output 2 12 O2 Output 2 7 GND Power Reference Outputs The meaning of the two outputs Output 1 and Output 2 can be defined by the user No Read Right Wrong etc Refer to the Genius Help On Line By default...

Страница 80: ...T The following table contains the pinout for standard RS232 PC Host interface For other user interface types please refer to their own manual RS232 PC side connections 1 5 9 6 9 pin male connector 13 25 14 1 25 pin male connector Pin Name Pin Name 2 RX 3 RX 3 TX 2 TX 5 GND 7 GND 7 RTS 4 RTS 8 CTS 5 CTS How To Build A Simple Interface Test Cable The following wiring diagram shows a simple test cab...

Страница 81: ...VB24 71 25 pin D sub male 7 20 GND RX TX 21 VB24 25 13 GND Vdc 9 pin D sub female GND TX RX PC 2 3 5 18 13 I1A Vdc Power Supply Vdc 10 30 Vdc Power GND Trigger I1B 19 Test Cable for VB24 ...

Страница 82: ...d to the Host on the main serial interface A Genius based Host Mode programming can be accomplished either through the main interface or the Auxiliary interface In Local Echo communication mode data is transmitted on the RS232 auxiliary interface independently from the main interface selection When On Line Operating mode is used the scanner is activated by an External Trigger photoelectric sensor ...

Страница 83: ...r Genius based Host Mode programming In Local Echo communication mode data is transmitted on the RS232 auxiliary interface independently from the Fieldbus interface selection When On Line Operating mode is used the scanner is activated by an External Trigger photoelectric sensor when the object enters its reading zone Figure 68 Fieldbus Interface Point to Point Layout VB24 1 2 3 Fieldbus Interface...

Страница 84: ... is activated by an External Trigger photoelectric sensor when the object enters its reading zone Applications can be implemented to connect a device such as a hand held reader to the Auxiliary port of the last scanner in the chain for manual code reading capability The Main and Auxiliary ports are connected as shown in the figure below Figure 69 Pass Through Layout Host 1 2 3 3 1 Device 1 3 Main ...

Страница 85: ...e reading capability Each VB24 transmits its own messages plus any messages received by its Auxiliary interface onto the ID NET interface The Master passes all messages to the Host When On Line Operating mode is used the scanner is activated by an External Trigger photoelectric sensor when the object enters its reading zone Figure 70 Pass Through On ID NET Layout Host 1 4 3 3 Master 3 Main Serial ...

Страница 86: ...ost on the RS232 RS485 main serial interface For a Master Slave Synchronized layout the External Trigger signal is unique to the system there is a single reading phase and a single message from the master scanner to the Host computer It is not necessary to bring the External Trigger signal to all the scanners The main auxiliary and ID NET interfaces are connected as shown in the figure below Figur...

Страница 87: ...n Local Echo communication mode to control any single scanner visualize collected data or to configure it using the Genius utility or the Genius based Host Mode programming procedure The ID NET termination resistor switches must be set to ON only in the first and last CBX connection box Main Serial Interface RS232 or RS485 Auxiliary Serial Interface Local Echo RS232 External Trigger for On Line Mo...

Страница 88: ...connector using the Genius configuration program or Genius based Host Mode programming Figure 73 ID NET Fieldbus M S Synchronized Layout Fieldbus Interface External Trigger for On Line Mode ID NET up to 16 devices practical limit Host 2 Master 1 Terminal 4 2 Master Slave 1 Slave n Power Figure 74 ID NET Fieldbus M S Multidata Slave 1 Slave n Power 3 Fieldbus Interface Auxiliary Serial Interface Lo...

Страница 89: ...nterface All messages will be passed through this chain to the Master The Master scanner is connected to the Host on the RS232 RS485 main serial interface There is a single reading phase and a single message from the master scanner to the Host computer Either On Line or Serial On Line Operating modes can be used in this layout When On Line Operating mode is used the external trigger signal is uniq...

Страница 90: ...e of the slave scanners can be used in Local Echo communication mode to control any single scanner visualize collected data or to configure it using the Genius utility or Genius based Host Mode programming procedure Each scanner has its own reading phase independent from the others When On Line Operating mode is used the scanner is activated by an External Trigger photoelectric sensor when the obj...

Страница 91: ...ust a set of partial scans on the label obtained using the motion of the label itself the scanner is able to reconstruct the barcode A typical set of partial scans is shown in the figure below Code Direction Figure 78 Partial Scans None of the partial scans contains the whole label The decoder aligns each partial scan correctly and combines them in order to obtain the entire code The alignment is ...

Страница 92: ...s still possible α Laser Beam tilt angle α 0 to α max Figure 80 Tilt Angle The decoder will be able to read the label with a tilt angle between max and max as shown in the f ollowing figure Conveyor Laser Beam No Read No Read α α 0 OK OK OK OK OK No Read Figure 81 Reading Zones with Ma x NOTE While tilt angles of 45 can be obtained VB24 scanners are not designed to create omni directional reading ...

Страница 93: ...3 46 49 21 24 26 28 30 33 Ratio 3 1 Table 1 Code 39 Minimum Code Height for ACR4 Reading mm 45 max 30 max Conveyor Speed m s 0 5 1 1 5 2 2 5 3 0 5 1 1 5 2 2 5 3 Code Resolution mm 0 25 11 14 16 19 22 25 8 10 12 14 16 19 0 30 12 15 18 20 23 26 8 10 13 15 17 19 0 33 13 16 18 21 24 27 9 11 13 15 18 20 0 38 14 17 20 22 25 28 9 12 14 16 18 21 0 50 17 20 22 25 28 31 11 13 16 18 20 22 0 72 22 25 28 31 33...

Страница 94: ...Code Height for ACR4 Reading mm 45 max 30 max Conveyor Speed m s 0 5 1 1 5 2 2 5 3 0 5 1 1 5 2 2 5 3 Code Resolution mm 0 25 9 12 15 18 21 23 7 9 11 13 16 18 0 30 10 13 16 19 22 24 7 9 12 14 16 18 0 33 11 14 16 19 22 25 8 10 12 14 17 19 0 38 12 15 17 20 23 26 8 10 13 15 17 19 0 50 14 17 20 22 25 28 9 12 14 16 18 21 0 72 18 21 24 27 29 32 12 14 16 19 21 23 1 00 24 26 29 32 35 38 15 17 19 22 24 26 T...

Страница 95: ...a successful read 7 2 1 Step Ladder Mode If scanning is perpendicular to the code motion direction Figure 82 the number of effective scans performed by the reader is given by the following formula SN LH LS SS 2 Where SN number of effective scans LH label height in mm LS label movement speed in mm s SS number of scans per second Figure 82 Step Ladder Scanning Mode For example the VB24 800 scans sec...

Страница 96: ...ve scans FW reading field width in mm LW label width in mm LS label movement speed in mm s SS scans per second Figure 83 Picket Fence Scanning Mode For example for a 60 mm wide code moving in a point where the reading field is 160 mm wide at a 2000 mm s speed the VB24 800 scans per sec performs 160 60 2000 800 2 38 effective scans Direction of code movement at LS speed Laser beam VB24 FW LW ...

Страница 97: ... Max Code Resolution Speed mm mils scans s F 30 Near 0 20 8 800 F 40 Medium 0 30 12 800 F 60 Far 0 38 15 800 Focus Reading Distance F 30 Near 21 cm 8 3 in 47 cm 18 5 in on 0 50 mm 20 mils codes F 40 Medium 27 cm 10 6 in 68 cm 26 8 in on 0 50 mm 20 mils codes F 60 Far 40 cm 16 7 in 100 cm 39 4 in on 0 50 mm 20 mils codes ...

Страница 98: ... mils 0 20 mm 8 mils NOTE 0 0 is the center of the laser beam output window CONDITIONS Code Code 128 PCS 0 90 Pitch angle 0 Skew angle 15 Tilt angle 0 to 30 Scan Speed 800 scans sec Reading Condition Standard Reading Mode Linear Parameter selectable in Genius For Tilt angles of 45 the reading performance is reduced by approximately the following values Minimum reading distance 20 Maximum reading d...

Страница 99: ...ils NOTE 0 0 is the center of the laser beam output window CONDITIONS Code Code 128 PCS 0 90 Pitch angle 0 Skew angle 15 Tilt angle 0 to 30 Scan Speed 800 scans sec Reading Condition Standard Reading Mode Linear Parameter selectable in Genius For Tilt angles of 45 the reading performance is reduced by approximately the following values Minimum reading distance 20 Maximum reading distance 25 Maximu...

Страница 100: ...ls NOTE 0 0 is the center of the laser beam output window CONDITIONS Code Code 128 PCS 0 90 Pitch angle 0 Skew angle 15 Tilt angle 0 to 30 Scan Speed 800 scans sec Reading Condition Standard Reading Mode Linear Parameter selectable in Genius For Tilt angles of 45 the reading performance is reduced by approximately the following values Minimum reading distance 20 Maximum reading distance 15 Maximum...

Страница 101: ...r Dust dirt etc on the window may alter the reading performance Repeat the operation frequently in particularly dirty environments Use soft material and alcohol to clean the window and avoid any abrasive substances WARNING Clean the window of the VB24 when the scanner is turned off or at least when the laser beam is deactivated ...

Страница 102: ...you can refer to the Genius program help files Either connect the device and select the parameter you re interested in by pressing the F1 key or select Help Parameters Help 2K_4K Software Configuration Parameters Guide from the command menu If you re unable to fix the problem and you re going to contact your local Pepperl Fuchs GmbH office we suggest providing if possible the Device Configuration ...

Страница 103: ...and check if Serial On Line is selected in the On Line Options Are the Start Stop characters correctly assigned Is the serial trigger source correctly connected and configured On line Mode and Serial On Line Reader doesn t respond correctly to the expected external signals end In the Genius program select the Operating Mode branch and check the Reading Phase Timeout parameterization Mode push butt...

Страница 104: ...he serial cable connected Is the correct wiring respected Are serial host settings equivalent to the serial device setting If using CBX be sure the RS485 termination switch is positioned to OFF Communication Data transferred to the host are incorrect corrupted or incomplete In the Genius program select the Data Communication Settings Data Format Standard Parameters branch and check the Header Sepa...

Страница 105: ... C ambient temperature OPTICAL FEATURES Light Source Semiconductor laser diode Wave Length In the range 630 to 680 nm Safety Class Class 2 EN 60825 1 CDRH READING FEATURES Note 1 Scan Rate software programmable 600 to 900 scans sec Aperture Angle 50 Maximum Reading Distance See reading diagrams Maximum Resolution ENVIRONMENTAL FEATURES Operating Temperature Note 2 0 to 50 C 32 to 122 F Storage Tem...

Страница 106: ...logies during one reading phase Decoding Safety can enable multiple good reads of same code Headers and Terminators Up to 128 byte header string Up to 128 byte terminator string Operating Modes On Line Serial On Line Verifier Automatic Continuous Test Configuration Methods Mode Functions Genius utility program Genius based Host Mode Programming Special Functions Code Verifier ACR4 Advanced Code Re...

Страница 107: ...to measure communications speed or data transfer rate CDRH Center for Devices and Radiological Health This organization a service of the Food and Drug Administration is responsible for the safety regulations governing acceptable limitations on electronic radiation from laser devices Pepperl Fuchs GmbH devices are in compliance with the CDRH regulations Code Positioning Variation in code placement ...

Страница 108: ...ntrol database access special programs supervisory programs or programming languages Interface A shared boundary defined by common physical interconnection characteristics signal characteristics and meanings of interchanged signals LED Light Emitting Diode A low power electronic device that can serve as a visible or near infrared light source when voltage is applied continuously or in pulses It is...

Страница 109: ...d evenly from each other Typically the mirrored rotor surfaces are angled to create multiple scan lines instead of a single beam Resolution The narrowest element dimension which can be distinguished by a particular reading device or printed with a particular device or method RS232 Interface between data terminal equipment and data communication equipment employing serial binary data interchange RS...

Страница 110: ...e par 7 2 1 Symbol A combination of characters including start stop and checksum characters as required that form a complete scannable barcode Tilt Rotation around the Z axis Used to describe the position of the barcode with respect to the laser scan line See pars 0 and 3 3 Trigger Signal A signal typically provided by a photoelectric sensor or proximity switch which informs the scanner of the pre...

Страница 111: ... Termination 53 71 ID NET Response Time 49 67 Inputs 54 72 Installation 33 L Laser Safety vi LEDs 19 Linear Code Reading 92 M Main Serial Interface 43 61 Mechanical Installation 34 Model Description 31 Mounting VB24 37 Multiplexer Layout 87 O Outputs 57 75 P Package Contents 33 Pass Through 79 Patents v Performance 94 Picket Fence Mode 93 Point to Point 77 Positioning 40 Power Supply vii 43 61 R R...

Страница 112: ...VB24 102 T Technical Features 108 Troubleshooting 105 Typical Layouts 77 ...

Страница 113: ...heim Deutschland Tel 49 621 776 0 E Mail info de pepperl fuchs com Zentrale USA Pepperl Fuchs Inc Twinsburg Ohio 44087 USA Tel 1 330 4253555 E Mail sales us pepperl fuchs com Zentrale Asien Pepperl Fuchs Pte Ltd Singapur 139942 Tel 65 67799091 E Mail sales sg pepperl fuchs com FABRIKAUTOMATION SENSING YOUR NEEDS TDOCT 3002_ENG 02 2013 ...

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