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DATALOGIC

DS4300

Installation - 

2.13

RS485 Half-Duplex

The RS485 half-duplex (3 wires + shield) interface is used for polled
communication protocols.

It can be used for Multidrop connections in a master/slave layout or with a
Datalogic Multiplexer, (see par. 2.6.4 and 2.6.5).

The following pins of the 25-pin connector are used for RS485 half-duplex
communications:

Pin

Name

Function

2

RS485 transmitted/received data +

4

RTX485-

RS485 transmitted/received data -

7

SGND Main

signal ground main interface

DS4300

MULTIPLEXER

2

RTX485-

4

RTX485-

7

SGND Main

RS485REF

Figure 2.16 - RS485 half-duplex connections

Содержание DS4300

Страница 1: ......

Страница 2: ...DS4300 INSTALLATION MANUAL ...

Страница 3: ...CHNOLOGY EQUIPMENT ITE EN 50082 2 March 1995 ELECTROMAGNETIC COMPATIBILITY GENERIC IMMUNITY STANDARD PART 2 INDUSTRIAL ENVIRONMENT Following the provision of the Directive s 89 336 CEE AND SUCCESSIVE AMENDMENTS 92 31 CEE 93 68 CEE Ruggero Cacioppo Lippo di Calderara 16 11 1998 Quality Assurance Supervisor Product names mentioned herein are for identification purposes only and may be trademarks and...

Страница 4: ...tion 2 3 2 3 1 Junction Box Mounting 2 3 2 3 2 Junction Box Electrical Connections 2 5 2 4 Electrical Connections for 25 pin Models 2 8 2 4 1 Power Supply 2 9 2 4 2 Main Serial Interface 2 10 RS232 2 10 RS485 Full Duplex 2 12 RS485 Half Duplex 2 13 20 mA Current Loop INT 24 Accessory Only 2 15 2 4 3 Auxiliary RS232 Interface 2 16 2 4 4 Inputs 2 16 2 4 5 Outputs 2 19 2 5 Positioning 2 20 2 6 Typica...

Страница 5: ... 3 1 3 1 1 Tilt Angle for Advanced Code Reconstruction 3 2 3 2 Decoding Capacity in Linear Mode 3 3 3 2 1 Step Ladder Mode 3 3 3 2 2 Picket Fence Mode 3 4 3 3 Performance 3 5 3 4 Reading Diagrams 3 6 4 MAINTENANCE 4 1 4 1 Cleaning 4 1 5 TECHNICAL FEATURES 5 1 ...

Страница 6: ... correct system cabling according to the signals necessary for your application see the applicable sub paragraphs under 2 3 or 2 4 4 Install the Configuration Disk Upon successful completion of the installation the readme hlp file is opened giving details about how to get started configuring your scanner See also the Guide to Rapid Configuration link Specific parameter details are available in the...

Страница 7: ... Figure A Cable with 25 pin connector Mounting holes Good Read LED External Trigger LED Ready LED 1 2 4 5 3 10 11 6 Data TX LED Laser beam output window 8 7 Warning Label Warning and Classification labels Accessory mounting holes 9 Laser active LED ...

Страница 8: ... 3 Figure B Cable with junction box Mounting holes Good Read LED External Trigger LED Ready LED 1 2 4 5 3 10 11 6 Data TX LED Laser beam output window 8 7 Warning Label Warning and Classification labels Accessory mounting holes 9 Laser active LED ...

Страница 9: ...applicable requirements of both IEC 825 1 and CDRH 21 CFR 1040 at the date of manufacture The scanner is classified as a Class 2 laser product according to IEC 825 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 bea...

Страница 10: ...vice class labels For installation use and maintenance it is not necessary to open the scanner The laser diode used in this device is classified as a class 3B laser product according to IEC 825 1 regulations and as a Class IIIb laser product according to CDRH regulations As it is not possible to apply a classification label on the laser diode used in this device the following label is reproduced h...

Страница 11: ...ut rated 10 30 V minimum 0 55 A This device may also be supplied by a UL Listed Power Unit with a Class 2 or LPS power source which supplies power directly to the scanner via the 25 pin connector For Model DS4300 1001 This device is intended to be supplied via the Junction Box by an NEC Class 2 Power Source rated 10 30 V minimum 0 55 A ...

Страница 12: ...e reading serial port interfacing data formatting and many other operating and control parameters It is completely user configurable from a host computer using the WinHost interface utility program provided on diskette with the scanner or using the Host Mode programming procedure by ESC sequences via the serial interface There are four different programmable operating modes to suit various barcode...

Страница 13: ...ost various barcode reading system requirements code verifier possibility to detect the position of the label in the scan line The DS4300 scanner uses a solid state laser diode as a light source the light emitted has a wavelength between 630 and 680 nm Refer to the section Safety Precautions at the beginning of this manual for information on laser safety The reader is contained in a rugged aluminu...

Страница 14: ... power on of the scanner The four LEDs on the left hand side of the scanner indicate the following READY red indicates the reader is connected to the power supply and the startup was successful If the startup is not successful this LED blinks Figure A B 3 GOOD READ red is used to signal successful barcode decoding It is also used in Test mode to signal the decoding percentage for details refer to ...

Страница 15: ...ermination The following models are therefore available DS4300 100X Optical Resolution 1 Standard Resolution Cable Termination 0 25 pin connector 1 junction box 1 4 ACCESSORIES The following accessories are available on request for the DS4300 90 deflection mirror GFC 41 Power Block 110 Vac PG110 DVE 1212A Power Block 220 Vac PG220 DVE 1212A 20 mA Active Current Loop interface INT 24 ...

Страница 16: ...nt and intact when opening the packaging the list of parts includes 1 DS4300 reader with cable 2 Installation manual 3 Barcode test chart 4 DS4300 communication and utility program disk 5 Mounting kit Mounting screws and washers 4 ea Mounting bracket 1 Junction box for junction box models only see paragraph 1 3 1 4 3 2 5 Figure 2 1 DS4300 package contents ...

Страница 17: ...te in different positions The four screw holes M4 x 5 on the body of the reader are for mechanical fixture Figure A B 2 The diagram below gives the overall dimensions of the scanner and may be used for its installation Refer to paragraph 2 5 for correct positioning Figure 2 2 Overall dimensions ...

Страница 18: ...nction Box System cables Figure 2 3 Scanner using junction box For junction box connections the scanner has a cable that terminates in a 24 pin connector that plugs into the junction box The system cables pass through 6 glands in the side of the junction box and the individual wires connect to spring clamp terminal blocks inside which provide access to all scanner signals 2 3 1 Junction Box Mounti...

Страница 19: ...Open the junction box by unscrewing the 4 cover screws If necessary using the two mounting holes inside the junction box as a pattern mark the panel with an appropriate object and then drill two small pilot holes in the panel 2 Align the junction box and insert the two self threading screws with their washers and screw them into the panel until tight see Figure 2 5 Figure 2 5 Junction box mounting...

Страница 20: ...wires of the system cables by stripping the insulation back approximately 11 mm Using a device such as a screwdriver push down on the orange lever directly above the clamp see Figure 2 6 Insert the wire into the clamp and release the lever The wire will now be held in the spring clamp Figure 2 6 System cable connections to the junction box The wiring used can be solid or stranded but must meet the...

Страница 21: ...connected together Pin RS232 RS485 full duplex RS485 half duplex 20 mA CL INT 24 Only 24 29 TX232 TX485 RTX485 25 30 RTS232 TX485 RTX485 CLOUT 26 31 SGND Main SGND Main SGND Main SGND Main 32 RX232 RX485 33 CTS232 RX485 CLIN 1 17 18 39 J1 5 J BOX pinout for DS4300 Pin Name 01 VS 02 GND 03 VS 04 GND 05 CHASSIS 06 VS 07 VS 08 EXT TRIG 09 EXT TRIG 10 GND 11 GND 12 VS 13 VS 14 IN1 15 IN1 16 GND 17 GND...

Страница 22: ...CB inside the junction box as shown in figure 2 9 Scanner cable J1 Rubber seal Figure 2 9 Scanner cable connections to the junction box 5 Close the junction box using the 4 cover screws making sure the rubber seal is fitted correctly between the parts of the housing The junction box is now installed which completes the electrical connections for your scanning system If it ever becomes necessary to...

Страница 23: ... Power supply input voltage 1 CHASSIS Chassis Ground 9 VS External Trigger supply voltage 18 EXT TRIG External Trigger 19 EXT TRIG External Trigger 6 IN1 Input 10 IN1 Input 8 OUT1 Output 22 OUT1 Output 11 OUT2 Output 12 OUT2 Output 14 IN2 Input 15 IN2 Input 20 RXAUX Auxiliary RS232 input 21 TXAUX Auxiliary RS232 output 23 SGND Aux Signal Ground Auxiliary interface 24 GND Power supply input voltage...

Страница 24: ... connector for connections to a UL Listed Direct Plug in Power Unit Figure 2 12 If the jack input is used to supply power to the DS4300 pin 13 is automatically disconnected the supply voltage for the external trigger remains on pin 9 The plug connector is not supplied with the DS4300 V 10 30 Vdc Jack Plug GND Figure 2 12 Power supplied using the jack connector The power must be between 10 and 30 V...

Страница 25: ...tility program or Host Mode programming For more details refer to the section Main Interface Menu in the WinHost Help On Line Details regarding the connections and use of the main interface selection are given in the next paragraphs RS232 The serial interface is used in this case for point to point connections it handles communication with the host computer and allows both transmission of code dat...

Страница 26: ... 2 13 RS232 main interface connections Figure 2 14 RS232 control signals The RTS232 and CTS232 signals control data transmission and synchronize the connected devices If the RTS CTS handshaking protocol is enabled the DS4300 activates the RTS232 output to indicate a message is to be transmitted The receiving unit activates the CTS232 input to enable the transmission ...

Страница 27: ...or in electrically noisy environments The following pins of the 25 pin connector are used for RS485 full duplex communications Pin Name Function 2 TX485 RS485 transmitted data 4 TX485 RS485 transmitted data 3 RX485 RS485 received data 5 RX485 RS485 received data 7 SGND Main signal ground main interface DS4300 USER INTERFACE 7 SGND Main TX485 2 TX485 4 RX485 3 RX485 5 RX485 TX485 RS485REF Figure 2 ...

Страница 28: ...ayout or with a Datalogic Multiplexer see par 2 6 4 and 2 6 5 The following pins of the 25 pin connector are used for RS485 half duplex communications Pin Name Function 2 RTX485 RS485 transmitted received data 4 RTX485 RS485 transmitted received data 7 SGND Main signal ground main interface DS4300 MULTIPLEXER RTX485 2 RTX485 4 RTX485 RTX485 7 SGND Main RS485REF Figure 2 16 RS485 half duplex connec...

Страница 29: ...h DS4300 scanners connected to a Multiplexer 1 1 CHASSIS 1 RTX485 RTX485 SGND Main 0 max 1200 m three wires shield 7 4 2 7 4 2 120 Ohm MULTIPLEXER RTX485 RTX485 RS485REF SHIELD 1 120 Ohm DS4300 DS4300 DS4300 up to 31 x max 2 m 7 4 2 Figure 2 17 DS4300 multidrop connection to a Multiplexer ...

Страница 30: ...pins of the 25 pin connector are used for the connections Pin Name Function 4 CLOUT current loop output 5 CLIN current loop input 7 SGND Main signal ground main interface DS4300 DS4600 USER INTERFACE MAX 300 METERS 4 C L OUT 7 SGND Main GND I 20 mA 5 C L IN I 20 mA Figure 2 18 20 mA active C L connections For 20 mA passive current loop interface connections contact your local Datalogic representat...

Страница 31: ...llowing pins of the 25 pin connector are used to connect the RS232 auxiliary interface Pin Name Function 20 RXAUX auxiliary RS232 received data 21 TXAUX auxiliary RS232 transmitted data 23 SGND Aux signal ground auxiliary interface SGND DS4300 USER INTERFACE TXD RXAUX 20 RXD TXAUX 21 SGND Aux 23 Figure 2 19 RS232 auxiliary interface connections 2 4 4 Inputs There is an input available on the DS430...

Страница 32: ...nput is selected in software Refer to the WinHost Help On Line The yellow led Figure A B 5 is on when the External Trigger signals the active reading phase These inputs are optocoupled and can be driven by both an NPN or PNP type command The connections are indicated in the following diagrams 18 6 14 19 10 15 USER INTERFACE DS4300 5V Signal V 30 Vdc max Vext Figure 2 20 Input NPN command using ext...

Страница 33: ...E DS4300 VS 9 25 GND V Signal 5V Figure 2 23 Input PNP command using DS4300 power The electrical features of the inputs are Maximum voltage 30 Vdc Maximum current 25 mA An anti disturbance hardware filter is implemented on the External Trigger input 5 milliseconds delay An additional 15 ms typical delay can be implemented through a dedicated software parameter refer to WinHost Help On Line ...

Страница 34: ...efined by the user No Read Right or Wrong Refer to WinHost Help On Line By default OUT1 is associated with the No Read event which activates when the code signalled by the External Trigger is not decoded OUT2 is associated with the Right event which activates when the code is decoded correctly DS4300 USER INTERFACE 22 12 8 11 OUT1 OUT2 40 Vdc max Vext OUT1 OUT2 Figure 2 24 Open collector output co...

Страница 35: ...stions below for the best orientation The Pitch angle is represented by the value P in figure 2 25 Position the reader in order to minimize the Pitch angle P Figure 2 25 Pitch angle The Skew angle is represented by the value S in Figure 2 26 Position the reader to assure at least 10 for the Skew angle This avoids the direct reflection of the laser light emitted by the DS4300 S Figure 2 26 Skew Ang...

Страница 36: ...Point to Point In this layout the data is transmitted to the Host on the main serial interface 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 E...

Страница 37: ...n interface All messages will be passed through this chain 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 The main and auxiliary ports are connected as shown in the figure below 1 Main serial interface 2 Auxiliary serial interface 3 External Trigger for On Line mode 2 1 Host 1 DS4300 DS430...

Страница 38: ...Master scanner is connected to the Host on the main serial interface The possible main interface types for the Master scanner are RS232 or RS485 20 mA C L can also be used if the INT 24 accessory is installed 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 unique to the system however it is not necessary...

Страница 39: ...st on the RS232 auxiliary serial interface 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 necessary to bring the External Trigger signal to all the scanners The main and auxiliary ports are connected as shown in the figure below Host Master 2 Auxiliary serial interface 1 RS485 HD Main seria...

Страница 40: ...00 with the RS485 half duplex mode on the main interface Host MX4000 0 1 31 1 3 2 3 2 3 2 1 2 3 RS485 HD Main interface Auxiliary interface Local Echo External Trigger for On Line mode Figure 2 32 Multiplexer layout The auxiliary serial interface 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 Wi...

Страница 41: ...DS4300 DATALOGIC 2 26 Installation This page is intentionally left blank ...

Страница 42: ...or the laser beam to cross the label from the start to the end With just a set of partial scans on the label obtained using the motion of the label itself the DS4300 is able to reconstruct the barcode A typical set of partial scans is shown in Figure 3 2 Code Direction Figure 3 2 Partial scans None of the partial scans contains the whole label The decoder aligns each partial scan correctly and com...

Страница 43: ...he barcode label as shown in Figure 3 3 α Laser Beam tilt angle α 0 to α max Figure 3 3 Tilt angle The formulas to calculate α maximum depend on various parameters such as label height number of scans per second code motion speed etc To obtain α maximum for your application please contact your Datalogic representative You must remember that the decoder will be able to read the label with a tilt an...

Страница 44: ...tion At least 5 scans during the code passage should be allowed to ensure a successful read 3 2 1 Step Ladder Mode Code motion moving at LS speed LH Laser Beam DS4300 Figure 3 5 Step Ladder scanning mode If scanning is perpendicular to the code motion direction Figure 3 5 step ladder mode the number of effective scans performed by the reader is given by the following formula SN LH LS SS 2 These sy...

Страница 45: ...ng mode If scanning is parallel to the code motion Figure 3 6 picket fence mode the number of effective scans is given by SN FW LW LS SS 2 These symbols signify SN number of effective scans FW reading field width in mm LW label width in mm LS label movement speed in mm s SS scans per second For example for a 100 mm wide code moving in a point where the reading field is 200 mm wide at a 2000 mm s s...

Страница 46: ... mm 12 mils by configuring the Code Resolution parameter see WinHost Help On Line Refer to the diagrams given in paragraph 3 4 for further details on the reading features These diagrams are taken on various resolution sample codes at a 25 C ambient temperature depending on the conditions in the notes under each diagram If standard devices do not satisfy specific requirements contact your nearest D...

Страница 47: ... densities DS4300 100X Code Resolution Standard 31 mils 0 50 mm 0 80 mm 20 mils 24 mils 0 60 mm NOTE 0 0 is the center of the laser beam output window CONDITIONS Test Codes used Interleaved 2 5 and Code 39 according to the Datalogic Barcode Test Chart Pitch angle 0 Skew angle 10 Tilt angle 0 Reading Mode Linear Code Resolution Standard ...

Страница 48: ...h 0 20 mm 8 mils 0 30 mm 12 mils NOTE 0 0 is the center of the laser beam output window CONDITIONS Test Codes used Interleaved 2 5 and Code 39 according to the Datalogic Barcode Test Chart Pitch angle 0 Skew angle 10 Tilt angle 0 Reading Mode Linear Code Resolution High ...

Страница 49: ...DS4300 DATALOGIC 3 8 Reading Features This page is intentionally left blank ...

Страница 50: ...f the reader 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 DS4300 when the scanner is turned off or at least when the laser beam is deactivated ...

Страница 51: ...DS4300 DATALOGIC 4 2 Maintenance This page is intentionally left blank ...

Страница 52: ... User defined OUT1 and OUT2 optocoupled open emitter open collector VCE max 40 Vdc Collector current max 40 mA continuous 130 mA pulsed VCE saturation 1V at 10 mA max Power dissipation max 90 mW at 40 C Ambient temp OPTICAL FEATURES Light source Semiconductor laser diode Wave length Note 1 630 680 nm Safety class Class 2 IEC 825 1 Class II CDRH READING FEATURES Note 2 Scan rate 800 scans sec Apert...

Страница 53: ...ternal memory ENVIRONMENTAL FEATURES Operating temperature Note 3 0 to 40 C 32 to 104 F Storage temperature 20 to 70 C 4 to 158 F Humidity max 90 non condensing Vibration resistance IEC 68 2 6 test FC 1 5 mm 10 to 55 Hz 2 hours on each axis Shock resistance IEC 68 2 27 test EA 30G 11 ms 3 shocks on each axis Protection class IP65 PHYSICAL FEATURES Mechanical dimensions 101 x 83 5 x 42 mm 3 97 x 3 ...

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