Metrologic Instruments IS4921 Scanner User Manual
Contents
1. 31 Design Specifications Operational Light Source Four 650 nm Red Light Emitting Diode LED 25 mm 310 mm 1 0 to 12 2 for 0 330 mm 13 mil 1D Bar Codes See page 29 for additional information on engine depth of field 154920 Depth of Field 50 mm 170 mm 2 0 to 6 7 for 0 330 mm 13 mil 1D Bar Codes STEN See page 30 for additional information on engine depth of field 50 Horizontal I54920 3 5 Vertical Field of View 38 Horizontal IS4921 28 5 Vertical 118 4 mm x 86 2 mm 4 7 x 3 4 at 127 mm 5 0 from the Face of the Engine 154920 236 8 mm x 172 4 mm 9 3 x 6 8 at 254 mm 10 0 from Face of the Engine Scan Area 37 mm x 28 mm 1 45 x 1 08 at 80 mm 3 15 from the Face of the Engine 154921 78 mm x 58 mm 3 09 x 2 3 at 170 mm 6 69 from the Face of the Engine Rotation Sensitivity 360 Around the Optical Axis 10 mm 4 0 mil 1D PDF 154920 191 mm 7 5 mil 2D Minimum Element Width 063 mm 2 5 mil 1D PDF 154921 10 mm 4 0 mil 2D 1 2 mega pixels 1280 x 960 Symbologies Supported All standard 1D and 2D Bar Codes Optional OCH fonts Mechanical See pages 6 8 for detailed specifications 12 Pin Molex FFC FPC Connector Molex P N 52559 1252 Termination See page 38 for engine pinouts See page 42 for flex cable sp2. Figure 31 Power Up Boot Up Current Waveform 37 Imaging Engine and Decode PCB Terminations Imaging Engine Interface Connector I5491x 00 I5491x 01 15491x 02 Figure 32 Imaging Engine Interface Connector Signal Name Fa SOS Trigger DA SOL Pixel Data0 LSB Output 02 p POLK D7 DA VSYNG HSYNC GND GND c CD 12 17 18 19 N O ak Ol S o OOA CO O 21 NO no Z 5 E 2 D 2 3 o NO O o D O zh O o O gt o x o lt o o D gt D o o o lt Co 8 Decode Board USB amp TTL Interface Connector PIN 22 Signal Name Fa r op SYNG VSYNC POLK NC so SDA Trager Q 10 E N B K nm O 0 15 17 18 19 20 21 22 co Decode Board USB Output to Host Connector PIN 1 PIN 11 Figure 34 Decode Board USB Output Connector Signal Name N V C No Connection in vn Power Supply voltage input 3V to 5 5V G Ground Power and signal ground D o Input USB D Signal Z reserved Pin Function Reserved Input USB D Signal 7 Pin Function Reserved Output active high 154920 is in power down mode Output active low signal capable of sinking current
3. Fax 82 2 3444 3980 Email info O kr metrologic com Singapore Tel 65 6842 7155 Fax 65 6842 7166 Email info 9 sg metrologic com Thailand Tel 662 610 3787 Fax 662 610 3601 Email info Qth metrologic com o3 Product Service and Repair North America Tel 800 436 3876 Customer Service 866 460 8033 Customer Support 888 633 3762 Technical Support Fax 856 228 6673 Sales Email info metrologic com o4 Suzhou Sales Office European Repair Center Tel 86 512 67622550 Tel 34 913 751 249 Fax 86 512 67622560 Fax 34 913 270 437 Email info 9 cn metrologic com Honeywell Scanning and Mobility 90 Coles Road Blackwood NJ 08012 4683 Il I l l 00 05325 Rev F March 2009
4. Output active low signal for sinking current Good Read Input Wakes engine from power down or sleep mode Input Signal used as trigger input to activate the 154920 10 11 12 iN 0 Decode Board TTL Output to Host Connector PIN 1 PIN 12 Figure 35 Decode Board TTL Output Connector Signal Name Input TTL RS232 polarity control with 32k ohm pull up Power Supply voltage input 3V to 5 5V Ground Power and signal ground Input TTL Level RS232 Receive data input Output TTL Level RS232 transmit data n CTS Input TTL level Clear to Send n RTS Output TTL level RS232 Request to Send Output active high 154920 is in power down mode Output active low signal capable of sinking current 10 Output active low signal for sinking current Good Read 11 Input Signal used to bring engine out of power down 12 Input Signal used as trigger input to activate the 154920 41 Flex Cable Specifications Flex Cable Pinout Imaging Engine Connection mO fM 10 zoo S T F F E N E R S D E To DECODE BOARD 2d To DECODE BOARD Figure 36 Flex Cable Pinout lmaging Engine Connector End Signal Name Aimer High enables Targeting LED Input Illum On High forces on Illumination LEDs Input Wake up Engine Trigger Controls Integration and Illumination in Snapshot mode Input SDA I2C data Bi Directional Devices Functions as Auxiliary Devices SCL I2C clock
5. SWINDECOG ae 1 T Ke Te t 4 37 41 F mperature tee az b an oda eebe 33 52 Thermal Temperature 15 Threaded INSerS a a aa 8 TNG Pet a DL 24 TOCOU A a b d 6 11 TIO GOV m REDE 37 41 V Video Mod sene 16 34 VOMAJE sr 34 37 41 46 47 W ET EET EEE 49 WAN EE NEL 46 WV GIGI EN 33 Window EE 13 RUE 13 SPECIICA ONS at 13 USMS ee 13 Contact Information The Americas TA USA Tel 800 436 3876 866 460 8033 888 633 3762 Fax 856 228 6673 856 228 1879 856 228 0653 Customer Service Customer Support Technical Support Sales Marketing Legal Finance ENN PEN PEN PEN e Brazil Tel 55 11 5185 8222 Fax 55 11 5185 8225 Email info 9 br metrologic com Mexico Tel 55 5365 6247 Fax 55 5362 2544 Email info 9 mx metrologic com North America Tel 856 537 6400 866 460 8033 Customer 888 633 3762 Technical Fax 856 537 6474 Email info 9 us metrologic com South America Outside Brazil Tel 55 11 5182 7273 Fax 55 11 5182 7198 Email info 9 sa metrologic com Omniplanar Inc Tel 856 374 5550 Fax 856 374 5576 Email info 9 omniplanar com NOVODisplay Tel 856 537 6139 Fax 856 537 6116 Email info NOVOdisplay com Europe Middle East and Africa France Tel 33 0 1 48 63 78 78 Fax 33 0 1 48 63 24 94 Email info Q fr metrologic com Germany Tel 49 89 89019 0 Fax 49 89
6. including any third party patent listed above except for an implied license only for the normal intended use of the specific equipment circuits and devices represented by or contained in the products that are physically transferred to the user and only to the extent of those license rights and subject to any conditions covenants and restrictions therein Other worldwide patents pending 50 ego MEO 16 34 Ambient obt 16 Ambient Temperature 15 Area lllumination sadel 4 PS 22 23 Assembly uk 3 B A 29 30 32 size SS dus 3 16 CAD PENE RH 15 Camera Aperture 4 13 CMOS SENSOR bazan 1 16 Connector 4 5 10 33 37 41 44 45 Contaminanis 12 33 49 Contrast 32 34 Customer Service 49 53 54 D Depth of Field 29 30 32 Divergence Angle 14 29 30 E Electrical Current Draw 36 DC 34 ME FAN rr asan 34 Electrical Specification 34 46 Electrostatic Discharge 12 34 49 zom caida 46 47 Seiler Le EE 12 14 44 45 49 F Field of Vievv 13 29 30 32 F
7. Boot Mode from Power Down Mode when the power is applied AND upon reception of the nTrig or nWake signals e he USB engine enters Boot Mode upon completion of USB enumeration he engine can turn itself to Boot Mode from Operating Mode or Idle Mode upon some internal event such as at the end of the software upgrade procedure At the end of the boot up cycle the engine turns to the Idle Mode and de asserts the PWRDWN pin Operating Mode The engine is acquiring and processing images or running other tasks PWRDWN Pin State De asserted LOW Transition to Operating Mode e The engine is turned to Operating Mode from Idle Sleep or Presentation Wakeup Modes upon the reception of the nTrig signal e he engine can be turned to Operating Mode from Idle Mode or Sleep Mode in USB version upon the reception of a special single byte serial command from the host The byte value is configurable e he engine is turned to Operating Mode from the Presentation Wakeup Mode upon the object detection event Idle Mode The engine is not operating but not sleeping and is fully powered The CPU and image sensor are in the Idle Mode the wakeup from which does not require the image sensor reprogramming PWRDWN Pin State De asserted LOW Transition to Idle Mode e The engine is turned to Idle Mode from Operating Mode immediately when no tasks are running in the engine e The engine is turned to Idle Mode from Sleep or Presentation Wakeu
8. Bracket Not Included 1 Bracket Included Y z Non Decode Engine Modelt 0 154910 00 or 154911 00 1 2194910 01 or 154911 01 T S d 9 1 W Y Y 2 154910 02 or 154911 02 W z Non Decode Engine Type 0 Standard 1 High Density YY z Non Decode Engine Model 00 two blind holes for mounting using self tapping screws 01 two blind holes for mounting using self tapping screws and two additional through holes located on side tabs extended from the engine s chassis 02 two blind holes for mounting with self tapping screws and two additional threaded inserts located on side tabs extended from the engine s chassis Figure 1 Part Number Designations Components of the 154920 IS4921 Decode Engine 184920 0 IS4921 0 Bracket Not Included 154920 0 154921 0 Assembled Decode Engine 154910 154911 Non Decode Engine See pages 2 4 and 6 for model specifications Decode Board USB See page 10 TTL Level RS232 See page 10 Flex Cable P N 77 77104 154920 1 154921 1 Assembled Decode Engine 154910 154911 Non Decode Engine See pages 2 4 and 6 for model specifications Bracket Decode Board USB See page 10 TTL Level RS232 See page 10 Flex Cable P N 77 77104 Figure 3 154920 1 184921 1 Figures show the 154910 01 Non Decode Engine with a USB Decode PCB Components of the 154910 154911 Non Decode Engine Area Illumination Camera Imager FirstF
9. Current Waveforms Figure 29 Figure 31 show typical current signature for the decode engine USB version in various operating modes Note The next three waveforms are shown with VIN 3 3V and the output signals nBeeper and nGoodRead are pulled high externally through 10K resistors Thus these waveforms only account for the current drawn by the 154920 circuitry and does not show additional current required for driving the LED or Beeper The 154920 series engines do not have current limiting fuses Care must be taken on the host side to prevent against over current conditions that could potential damage the host system FS ET NE 2 7 ES SIE in KOTE SER EGET Y E VAS TA WE LLL VS rd DOT SE VAN ET NE VAS VEN S NE VAS A ES KL 78 v B nTrg d nGoodRead EN i Current 3 chi 5 00 V amp Ch2 5 00 V M20 oms A chi 2 00 Vi 200mA 1 A RE ET ET ER EE ET OVE ER ET E LE EA ET E NOR Rt MN S E E NE A EE E S K DN Ch3 Mean S SE 1 AN 0 2 204mA nGood Read mosses sess Ch2 5 00 V B M 100ms A Ch2 1 80 Vi BE EE Too x A SET Aer QUE Vei Judd det a ER ES UNE VE A LA DI 2 9 Mah ET Qul RA ET QM S Hh PE QR ER OE IE MA ET 1 Figure 30 Continuous Image Decode Current Waveform I ave 204mA 36 1 EE Chi 5 00 Y amp Ch2 5 00 V AM 1 00 A Chl 1 80 V
10. EEG EE 1 4 16 27 FIC See Cable G Cio 12 37 41 H gl Po E 12 33 49 Illumination 4 13 14 34 37 41 o E ES 4 Imaging Engme 1 4 Imaging Sensor 16 D ii 34 37 41 K KOVINO 4 33 Keying Location 6 11 L LAD a 5 Belg 34 BT DOLU 32 Limited Warranty 49 M Mega pixel A 1 Mode cj 22 ORAL ad d 16 34 VIE 16 34 y r o 1 I POLU saad lad 6 11 O leide Ier ne 14 ORC FOG M am m m 1 CE 1 Sue 1 1 e m 37 41 P FNISE 1 Ke nn E E T 16 K l WEE 37 41 mic MERECE 16 37 41 51 SL nied 32 37 41 Se UE 15 KOMET SUNN cie alias 15 R Heceptacle 16 44 45 Regulatory Compliance 46 47 mises te eT TT UE Rol 32 49 5 Self Tapping Screw 1 4 6 11 Serial Configuration 22 AO a 5 SOME EE 49 53 54 SOK aS 33 44 45 SIMAS 15 28 34 37 41 Snapshot MOC iso Fuck ecl 16 34
11. bottom of the engine to assist with alignment Warning The limited warranty on page 49 is void if the following recommendations are not adhered to when mounting the engine When securing the engine with self tapping screws Use V2 2 x 4 5 Philips Pan Head Type AB Steel Zinc Clear Trivalent self tapping screws Do not exceed 1 75 0 5 in lb 2 02 6 cm kg of torque during screw installation e Use a minimum mount thickness of 0 3 mm Use safe ESD practices when handling and mounting the engine 7777 048 002 1 22 05 Maximum Depth of 0 04 11 01 A 2 098 002 2 5 05 Clearance Holes 2 Places Alex 571 020 y 2 d Sem 520 015 14 503 508 7 TN 13 208 381 Electrostatic Sensitive Device REF 038 002 965 3 051 9 075 1 9 X 125 3 18 Deep 2 Places 226 4 005 BOTTOM VIEW Holes are provided for monting with self tapping screws 5 740 127 of Optical Path 405 10 285 REF 810 010 Molex Plug 20 574 254 P N 55560 0227 FRONT VIEW SIDE VIEW BACK VIEW 338 005 8 585 127 1 020 002 25 910 051 TOP VIEW Figure 9 154910 01 154911 01 Dimensions UNITS INCHES MILLIMETERS 154910 02 154911 02 Non Decode Engine Dimensions The 02 models include two 2 075 1 9 mm blind holes for mounting the engine with self tapping screws Two additional M2 x 4 threaded insert
12. exceed 0 5 mm 0 02 due to possible specular reflections from internal area illumination Output Window Coatings Anti Reflection An anti reflective coating can be applied to the inside and or outside of the window to reduce the possibility of internal beam reflections interfering with the performance of the engine If an anti reflective coating is applied the coating is recommended to be on both sides of the window providing a 0 5 maximum reflectivity on each side from 600 700 nanometers at the nominal window tilt angle The coating must also meet the hardness adherence requirements of MIL M 13508 Polysiloxane Coating Applying a polysiloxane coating to the window surface can help protect the window from surface scratches and abrasions that may interfere with the performance of the engine Recessing the window into the housing can also provide added protection against surface damage such as scratches and chips If an anti reflective coating is used there is no need to apply a polysiloxane coating 13 Optical Clearance Specifications The window size and enclosure design must provide unobstructed clearance for the illumination and targeting areas shown below in figures 14 and 15 to avoid optical interference that decreases the engine s performance 154910 154911 14 TM 37 Illumination 28 50 Illumination Divergence Angle Divergence Angle 25 Field of View 18 75 Field of View Divergence Angle Diverge
13. nWAKE nWake bring the engine out of Power Down TTL RS232 version only or Sleep Mode TTL RS232 and USB versions E Input Weak pull up to V active low the signal can be used as a trigger input to activate the 154920 17 Since many host systems and applications have unique formats and protocol requirements the decode engine supports a wide range of configurable features These features may be selected by scanning a corresponding configuration bar code from the MetroSelect Single Line Configuration Guide or Area Imaging Bar code Supplemental Configuration Guide Both guides are available for download at www honeywell com aidc under the 154920 product page Usage of the Host Interface Signals In the default multi try trigger mode of operations the scanning engine is activated by the nTrig signal which must be kept active low until the successful scan is achieved as indicated by the nGoodRead signal Upon a successful scan the decode engine asserts the nGoodRead signal and keeps it asserted low for the duration of transmission of the decoded data to the host or for the minimum of 100 msec configurable to 50 msec which coincides with the duration of the nBeeper signal The nGoodRead and nBeeper signals are driven with LVC family open drain outputs and are pulled up on the decode board with 100K resistors to VIN The default state of these pins is Hi Z pulled up via 100K and these signals are capable of sinking up
14. stx 1 etx Exit Configuration Mode stx 999999 etx Abbreviated ASCII Table 2 02h 39h 39h 39h 39h 39h 39h O3h 02h 39h 39h 39h 39h 39h 38h O3h 02h 31h 30h 30h 31h 31h 33h O3h 02h 39h 30h 33h 35h 30h 30h O3h 02h 30h 03h 02h 37h 03h 02h 31h 03h 02h 39h 39h 39h 39h 39h 39h 03h ETX 03h 3 ACK 06h 6 DS 2 48 E ack or 06h ack or 06h ack or 06h ack or 06h ack or 06h ack or 06h ack or 06h ack or 06h Decimal Value 23 Operational Timing The following section describes the timing associated with the various operating modes of the decode engine assembly including Power Up Power Down and Operating from Idle or Sleep The waveforms shown in this section assume VIN 3 3V nGoodRead pulled up with 10K resistor to VIN and nBeeper pulled up with 10K resistor to VIN unless otherwise noted Power Up Boot Up The power up sequence of the decode engine depends on the interface type For the USB version a USB Microcontroller controls the power to the decoding platform and imaging engine via a power switch When power is initially applied only the USB controller is active and begins the process of enumeration Once enumeration is complete the USB controller turns power on to the imaging engine and decoding platform As a result powering up the engine is completely controlled by the on board USB controller per the USB specifications In this version only Idle and Sleep Modes are supported Fo
15. 22 Power and Signal Ground Terminate with resistor Pulled low or Leave Unconnected 10 11 1 13 1 15 SDA I2C Data Bi Directional Devices Function as Auxiliary Devices Trigger Controls Integration and Illumination in Snapshot Mode Input Illum On High Forces on Illumination LEDs Input Aimer High Enables Targeting LED Input N Q PB n9 A no iN CO Dimensions 0 827 MOLEX RECEPTACLE 033 10 917 P N 54722 0224 430 0 510 0 12 020 005 FR4 STIFFENER 40 12 400 ee TYP 005 295 001 TYP 0 378 015 53 2 086 REF 60 2 362 m MOLEX RECEPTACLE P N 54722 0224 CONTACT SIDE STIFFENER SIDE UNITS Millimeters Inches Figure 38 Flex Cable Dimensions P N 77 77104 NM See installation warning on page 45 44 Installation Notes Note 1 Warning The flex cable must be installed in the orientation shown in Figure 39 and Figure 40 If the cable is incorrectly installed the engine can be damaged and the warranty voided see page 49 Correct Orientation Incorrect Orientation Flex Cable Flex Cable Receptacle Imaging Engine Figure 39 Flex Cable Orientation Imaging Engine Correct Orientation Incorrect Orientation Flex EN 4 SIS Se A E w Decode Board ay gt Decode Board Figure 40 Flex Cable Orientation Decode Board Note 2 Proper installation of the flex cable is ess
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17. 920 also has a wide angle lens design which covers a large scan area and delivers a true omni directional scanning performance The high quality images produced by the imaging engine can be used for decoding bar codes image upload signature capture document lifting and reading OCR fonts The decode board is powered by a fast processor and SwiftDecoder software to decode a wide array of 1D and 2D bar codes plus OCR fonts The decode board supports TTL level RS232 or USB 1 1 communication The decode board is compatible with MetroSet2 a PC based software for easy configuration 154920 is designed with the industrial standard size mounting options and output to facilitate integration into existing applications The imaging engine s miniature size makes 154920 ideal for integration into data terminals and other small devices 154920 is supplied as an assembled module with a mounting bracket or as separate components for custom mounting The imaging engine s unique open system architecture allows 154920 to accept third party and custom plug ins giving the 154920 virtually unlimited application flexibility The small yet powerful engine delivers a scanning performance that rivals a full fledged handheld scanner A high density version 154921 is also available Models and Accessories IS492W XYZZZ W Decode Engine Type 0 Standard 1 High Density ZZZ interface Type 38 USB X z Mounting Bracket 103 TTL RS232 0
18. Bi Directional Devices Function as Auxiliary Devices VLED Voltage Supply for Targeting and Area LEDs 3V 5 5V Pixel Data0 LSB Output Camera Voltage 3 1V 3 5V Pixel Data1 Output D2 Pixel Data2 Output D3 Pixel Data3 Output PCLK Pixel Clock Output D7 Pixel Data7 Output Pixel Data6 Output D5 Pixel Data5 Output D4 Pixel Data4 Output VSYNC Vertical Sync Output HSYNC GND Reserved GND Vimager 12 N kb 17 18 19 Horizontal Sync Output Power and Signal ground N O 2 ES le N OIAIOIN O 01 AJIO Terminate with Resistor Pulled Low or Leave Unconnected 21 Power and Signal Ground Z O N N No Connection iN 2 Flex Cable Pinout Decode Board Connection To Optics MODULE C O N T A C T S D E 00 JmzrimTm 6o Figure 37 Flex Cable Pinout Decode Connector End Signal Name GND Reserved GND Power and Signal Ground HSYNC Horizontal Sync Output VSYNC Vertical Sync Output D Pixel Data4 Output D Pixel Data5 Output Pixel Data6 Output D Pixel Data7 Output PCLK Pixel Clock Output NC No Connection D Pixel Data3 Output D2 Pixel Data2 Output D1 Pixel Data1 Output Vimager Camera Voltage 3 1V 3 5V 16 Pixel Data LSB Output 17 VLED Voltage supply for Targeting and Area LEDs 3V 5 5V 18 SCL I2C clock Bi Directional Devices Function as Auxiliary Devices 19 20 21
19. Figure 27 Field of View Divergence Angle model 154910 01 shown 29 154921 Depth of Field in the Field of View Bar Code Element Width Start From Engine Face From E Face Total 68 mm 2 7 105 mm 4 1 37 mm 1 4 1D 50 mm 2 0 120 mm 4 7 70 mm 2 75 50 mm 2 07 120 mm 4 7 127 mm mm em oO em oO 130 mm 5 0 85 mm 3 2 Data Matrix d i i Depth of field information is for reference only Actual values may vary depending testing conditions 38 Field of View 28 52 Field of View Divergence Angle Divergence Angle Top View Side View Figure 28 154911 Field of View Divergence Angle model 154911 01 shown 30 Exposure Time for Image Acquisition By default the maximum exposure time for image acquisition is 8 ms Reducing the exposure time for image acquisition may improve the reading performance of high density bar codes for certain applications Use the following bar codes to set the desired maximum exposure time Set Exposure Time to 1 ms 3 3 0 27 6 1 Set Exposure Time to 2 ms 9 2 2 7 6 1 Set Exposure Time to 3 ms 3 3 0 27 6 3 Set Exposure Time to 4 ms 5 3 0 27 6 4 Set Exposure Time to 5 ms 3 3 0 2 7 6 5 Set Exposure Time to 6 ms 2 6 60 2 7 Set Exposure Time to 7 ms 3 7 0 2 7 6 Set Exposure Time to 8 ms d 0 0 2 7 6
20. Honeywell 154920 154921 Area lmaging Decode Engine Integration Guide Disclaimer Honeywell International Inc HII reserves the right to make changes in specifications and other information contained in this document without prior notice and the reader should in all cases consult HII to determine whether any such changes have been made The information in this publication does not represent a commitment on the part of HII HII shall not be liable for technical or editorial errors or omissions contained herein nor for incidental or consequential damages resulting from the furnishing performance or use of this manual This document contains propriety information that is protected by copyright All rights reserved No part of this document may be photocopied reproduced or translated into another language without the prior written consent of HII 2009 Honeywell International Inc All rights reserved Web Address www honeywell com aidc Trademarks Metrologic MetroSelect MetroSet2 Omniplanar and FirstFlash are trademarks or registered trademarks of Metrologic Instruments Inc or Honeywell International Inc Microsoft Windows and Windows 95 are trademarks or registered trademarks of Microsoft Corporation Molex FFC FPC and SlimStack are trademarks or registered trademarks of Molex Inc Other product names mentioned in this manual may be trademarks or registered trademarks of their respective companies and are the pr
21. Mark requires compliance with directives and standards dependent upon the type of product Information may be found at http europa eu int comm enterprise newapproach LED Safety IEC 60825 1 1993 A1 A2 EN 60825 1 1994 A1 A2 Safety of LED products Compliance with either of the standards listed above is required for the product to bear the CE mark Note Non EEA countries may impose additional testing certification requirements EMC All combinations of 154920 area imaging engines and associated electronics will require certification of compliance with the European EMC Directive EMC compliance of finished products in Europe can be accomplished by the following method The manufacturer may certify to the EC s Electromagnetic Compatibility Directive 89 336 EEC Compliance is required for the product to bear the CE Mark Note Non EEA countries may impose additional testing certification requirements The 154920 series area imaging engine is designed to meet EN55022 Radiated Class B emission limits The engine was installed in a representative system and tested for compliance Electrical Safety The 154920 engines are built to conform to the European Low Voltage Directive 73 23 EEC 46 United States EMC All combinations of imaging engines and associated electronics will require testing to insure compliance with the following Federal Communications Commission regulation 47 CFR Part 15 Note When using the imaging engi
22. Warranty Period and HII determines to its satisfaction that the product is defective due to defects in materials or workmanship HII at its sole option will either repair or replace the product without charge except for return shipping to HII EXCEPT AS MAY BE OTHERWISE PROVIDED BY APPLICABLE LAW THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER COVENANTS OR WARRANTIES EITHER EXPRESSED OR IMPLIED ORAL OR WRITTEN INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT HIPS RESPONSIBILITY AND PURCHASER S EXCLUSIVE REMEDY UNDER THIS WARRANTY IS LIMITED TO THE REPAIR OR REPLACEMENT OF THE DEFECTIVE PRODUCT WITH NEW OR REFURBISHED PARTS IN NO EVENT SHALL HII BE LIABLE FOR INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES AND IN NO EVENT SHALL ANY LIABILITY OF HII ARISING IN CONNECTION WITH ANY PRODUCT SOLD HEREUNDER WHETHER SUCH LIABILITY ARISES FROM A CLAIM BASED ON CONTRACT WARRANTY TORT OR OTHERWISE EXCEED THE ACTUAL AMOUNT PAID TO HII FOR THE PRODUCT THESE LIMITATIONS ON LIABILITY SHALL REMAIN IN FULL FORCE AND EFFECT EVEN WHEN HII MAY HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH INJURIES LOSSES OR DAMAGES SOME STATES PROVINCES OR COUNTRIES DO NOT ALLOW THE EXCLUSION OR LIMITATIONS OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU All provisions of this Limited Warranty are separate and severable which means that i
23. are provided for monting with self tapping screws 5 740 127 of Optical Path 098 005 2 490 127 405 10 285 REF 810 010 7 Plug 20 574 254 P N 55560 0227 FRONT VIEW SIDE VIEW BACK VIEW EE B 338 4 005 8 585 3 127 1 020 002 25 910 051 TOP VIEW Figure 10 154910 02 154911 02 Dimensions UNITS INCHES MILLIMETERS Decode Printed Circuit Board Dimensions Both the TTL Level RS232 decode board and the USB decode board have two 2 0 098 2 489 mm clearance holes for M2 2 mounting hardware Always use safe ESD practices when handling and mounting the decode board TTL Level RS232 Molex Plug P N 0227 Molex FFC FPC Connector n P N 52559 1252 mt NA 33 274 0 263 6 668 mu 1 512 Maximum Thickness FRONT BACK A UNITS INCHES MILLIMETERS Figure 11 TTL Level RS232 Decode Board USB Molex Plug Molex FFC FPC P N 55560 0227 Connector P N 52559 1252 T 0 098 2 489 y d d D 35 84 0 263 6 668 1 m Maximum Thickness 39 409 BACK FRONT UNITS INCHES MILLIMETERS ATTENTION Electrostatic Sensitive Device Figure 12 USB Decode Board Dimensions 10 154920 2 IS4921 2 Bracketed Decode Engine Dimensions The bracketed decode engine includes two 2 0 097 2 464 mm blind holes for mounting the engine with self tapping screws Two additional M2 x 4 threaded inserts a
24. ecifications See pages 6 11 for detailed specifications Keying Location See pages 6 11 for detailed specifications FFC FPC is a trademark of Molex Inc all rights reserved Environmental Operating Temperature 0 C to 40 C 32 F to 104 F Storage Temperature 20 C to 70 C 4 F to 158 F See page 15 for additional information on thermal considerations 33 Electrical Engine Input Voltage 3 3VDC 5 5VDC Typical Operating Current 235 mA continuous scan mode VIN 3 3V mem I Peak Operating Current 400 mA typical VIN 3 3V 25 C 400 mA typical VIN 3 3V 25 C Idle Current 160 mA typical VIN 3 3V 25 C 125 mA typical VIN 3 3V 25 C Sleep Current 65 mA typical VINZ3 3V 25 C 25 mA typical VIN 3 3V Q 25 C Suspend Current USB 600 HA typical VIN 3 3V 25 C Power Down Current TTL 1 N A 500 HA typical VIN 3 3V Q9 25 C Specifications are based on the assumption inputs are pulled high If inputs are externally pulled low the current through the pull up registers must be added to these numbers See pages 46 48 for regulatory compliance information Detailed Electrical Specifications Absolute Maximum Ratings Vinput T Voltage Applied to Any input pin except D and D Voutput Voltage Applied to Any output pin VIN 3V For USB version Voltages on D and D signal must conform to USB Specification Voutput must be les
25. eign materials such as dust dirt smoke and smog Sealed to protect against water humidity and condensation Refer to page 15 for information on power and thermal considerations 12 Output Window Properties An improperly placed window has a serious potential to reduce the imaging engine s performance Careful consideration must be made when designing the output window s distance and angle relative to the imaging engine s camera aperture Follow these guidelines when designing the output window The output window material should have a spectral transmission of at least 85 from 580 nm to 680 nm and should block shorter wavelengths The output window should have a 60 40 surface quality be optically flat clear and free of scratches pits or seeds If possible recess the window into the housing for protection or apply a scratch resistance coating see Output Window Coatings below Apply an anti reflective coating to the window surfaces to reduce the possibility of reflective light interfering with the engine s performance The clear aperture of the output window should extend beyond the Field of View Refer to page 14 and pages 29 30 for Field of View specifications The window size must accommodate the illumination and targeting areas shown on page 14 The window must be parallel to the engine face The distance from the engine face to the inside surface of the window of the enclosure should be minimized and should not
26. en nennen nnne nnne nnns 39 Decode Board USB Output to Host CGonnechor seen nene nenne nnn nnns annee nns 40 Decode Board TTL Output to Host Connector nennen nnne nnns nnn nnn nnne nenas nnns 41 Flex Cable Specifications Flex Cable Pinout Imaging Engine Connection s 88 s 42 Flex Cable Pinout Decode Board Connection eese nnns nnn nn nnn nnns 43 MEET 44 MStallaton NOE Je 45 Regulatory Compliance 501000 A e I LEE Eae 46 EU 46 MENSA JRR 47 Canada ni Ee Ee EE EE 47 cR RR 48 Pb b 49 Falenis Ru 50 NOOK dam 51 ica 53 54 Introduction Product Overview The 154920 is a miniature area imaging engine and decode board with image capturing and bar code decoding capabilities The engine module consists of a non decode imaging engine 154910 a decode board and two flex cables The 154920 features a mega pixel CMOS sensor integrated illumination and patented FirstFlash technology together they ensure capturing a high resolution image with optimal brightness each time 154
27. end the following command stx 999999 etx The engine will not scan bar codes while in serial configuration mode Note Serial configuration mode uses the current Baud Rate Parity Stop Bits and Data Bits settings that are configured in the engine The default settings of the engine are 9600 bits per second no parity 1 stop bit 8 data bits and no flow control If a command is sent to the engine to change any of these settings the change will not take effect until after serial configuration mode is exited To exit serial configuration mode send the following command stx 999999 etx The engine will respond with an ack Refer to Example 2 on page 23 1 Barcode configuration manuals are available for download from the 154920 product page at www honeywell comvaidc 22 Example 2 The following sample illustrates the serial command sequence for configuring the engine for the factory default settings disabling Code 128 scanning and adding a as a configurable prefix Commands for features that require sequences of multiple bar codes for activation i e prefixes suffixes and timeout features should be sent in the same order that they are normally scanned Engine Feature Host Command ASCII Representation Response Enter Configuration Mode stx 999999 etx Load Defaults Istx1999998letx Disable Code 128 stx 1001 13 etx Configure Prefix 1 stx 903500 etx Code Byte 0 stx O etx Code Byte 7 stx 7 etx Code Byte 1
28. ential for engine performance When installing the flex cable verify that the flex cable receptacle is fully seated in the engine plug To achieve a full connection ensure that the alignment of the mating parts is not angled during installation Flex cable P N 77 77104 is designed with universal ends Note 3 Once installed it is recommended that the flex cable be connected and routed securely in the enclosure to prevent loss of connection 45 Regulatory Compliance Safety The 154920 Series area imaging engines are designed to meet the requirements of IEC Class 1 in accordance with IEC 60825 1 1993 A1 A2 IEC Class 1 is defined as follows The specifications required for agency approval are not obtainable until the 154920 or 154911 area imaging engine is used in its final configuration Honeywell International Inc is unable to fulfill these requirements because the imaging engine will operate differently depending upon where the engine is used as a component If the product containing the engine is to be used other than the United States the manufacturer who incorporates the imaging engine into their product is responsible for fulfilling any regulatory compliance requirements for that country Refer to one of the following sections for further explanation Europe The CE Mark is required on products that incorporate the 154920 series engine if the products are to be imported into European Economic Area EEA countries Use of the CE
29. f any provision is held invalid and unenforceable such determination shall not affect the validity of enforceability of the other provisions hereof Use of any peripherals not provided by the manufacturer may result in damage not covered by this warranty This includes but is not limited to cables power supplies cradles and docking stations HII extends these warranties only to the first end users of the products These warranties are non transferable The duration of the limited warranty for the 154920 and 154921 is two year s The accessories have a 90 day limited warranty from the date of manufacture 49 Patents This Honeywell product may be covered by but not limited to one or more of the following U S Patents U S Patent No 6 948 659 6 953 152 6 959 870 6 962 289 6 971 575 6 971 577 6 971 578 6 978 936 6 988 660 6 991 166 7 028 904 7 040 540 7 066 391 7 070 107 7 077 319 7 077 327 7 086 594 7 086 595 7 104 455 7 111 786 7 128 266 7 178 733 7 185 817 7 188 770 7 213 762 7 216 810 7 225 988 7 225 989 7 237 722 7 240 844 7 243 847 7 255 279 7 267 282 7 270 272 7 273 180 7 278 575 7 281 661 7 284 705 7 293 714 7 299 986 7 320 431 No license right or sublicense is granted either expressly or by implication estoppel or otherwise under any Metrologic Honeywell or third party intellectual property rights whether or not such third party rights are licensed to Metrologic and or Honeywell
30. he nTrig signal or serial command when in the Idle Mode Once the trigger signal is received the image sensor is reset and image acquisition begins During image acquisition the illumination LEDs are enabled for a time determined by the FirstFlash circuitry on the non decode engine The image is then transferred to the processor and decoded Upon decoding the image the processor asserts the nGoodRead signal low and beings transmitting the decoded data When the decode engine receives a trigger signal while in the Sleep Mode an additional delay is needed for the processor exit Sleep Mode and reconfigures the sensor Figure 25 and Figure 26 show the amount of time required for decoding when a nTrig signal is asserted in both the Idle Mode and Sleep Mode Notes The total image acquisition decode time can be approximated by measuring the time from the nTrig signal going low to the nGoodRead signal going low This time will vary slightly based on several factors including code quality code type and distance from the engine The following waveforms show a typical condition The nTrig signal must be Spr low 5 at 7 7 _nTrig i 5 E _PWRDWN EE oe oe ai Ses M al nGedRea INN 5 00 v amp Ch2 5 00 V M40 oms A chi X 2 00 vi 5 00 Y Ch4 5 00V P AT M M I M brent fener M 1 nTrig 2L PWRDWN E AR NN NONE SE gl NBesper m sk
31. in a good ground connection between the host and the decode engine In terms of grounding and voltage drop a shorter cable is better In addition to power the flex cable will also carry the digital signals required for communication The cable design is especially important in the case of USB due to the relative high speed of the USB signals The impedance of the cable should match or be as close as possible to the impedance of the USB driver approximately 45 ohms per trace The routing of the host flex cable also plays a critical role in the system design The cable should be routed away from high frequency devices since these frequencies can couple onto the flex cable and cause potential data corruption or unwanted electromagnetic inference EMI Power Sequencing The decode engine is powered from the VIN power signal on the ZIF connector on the decode board Most of the host signals signals present on the ZIF connector are relative to this voltage Not all of these signals are overvoltage tolerant thus care must be taken to ensure that the relationship between the VIN and the host signals are always met see electrical specifications on page 34 Thermal Considerations The decode engine is qualified over the specified operational temperatures 0 C to 40 C for all operating modes Make sure ambient temperatures do not exceed this range in order to guarantee operation Operating the decode engine in continuous mode for an extended pe
32. ine is shown in the figure below 232 INV VIN Trigger n RxD D n CTS D IS4910 154911 Min Illum 54920 184921 n RTS Imaging Engine Decode PCB PVVRDVVN nGoodRead nVVake image Data Bus gt nng Image Data Bus Figure 16 184920 154921 System Architecture 16 Host Interface Signals The host interface signals are described in the table below Pini TTL RS232 Description Input TTL RS232 polarity control with 32k ohm pull up 232INV Connect to ground for UART to UART signal polarity Pull up to Vin for standard TTL RS232 polarity Input TTL Level RS232 Receive data input weak pull up to V 4 n RxD Polarity determined by Pin1 Bidirectional USB D Signal 5 n TxD sacar cae Output TTL Level RS232 transmits data Polarity Determined by Pin 1 Input TTL level Clear to Send weak pull up to V Polarity n CTS D configurable via software Bidirectional USB D signal 7 n RTS ab Output TTL level RS232 Request to Send Polarity configurable via software Output Open drain 100K pull up to V active high indicates el PE XAL that the 154920 is in Power Down Mode Output Open drain 100K pull up to V active low signal nBEEPER nBEEPER capable of sinking current PWM controlled signal can be used to drive an external beeper Output Open drain 100K pull up to V active low signal for 5 sinking current of a Good Read LED circuit Input Weak pull up to V active low the signal can be used to 11
33. lash Aperture tem No Mounting Points see pages 7 8 B B Mounting Points Provided for Self Tapping Screw see pages 6 8 Keying Location see pages 6 8 Printed Circuit Boards 22 Pin 0 50 mm 020 Pitch SlimStack Plug Molex P N 55560 0227 Figure 5 154910 01 154910 02 154911 01 154911 02 Molex and SlimStack are trademarks or registered trademarks of Molex Inc Components of the Decode Printed Circuit Board TTL Level RS232 See page 10 for printed circuit board dimensions and connector information See page 39 and page 41 for connector pinout information USB oee page 10 for printed circuit board dimensions and connector information See page 39 and page 40 for connector pinout information Labels The serial number model number label is located on the side of the engine IS4910 01 154910 02 154911 01 154911 02 Metrologic SZ 154910 00 B 6109010042 Made in Suzhou China 9 NAU Sample Label Image Enlarged Metrologic SZ 77 77090 D 9409010042 Made in Suzhou China Al us Sample Label p d Image Enlarged Decode PCB Figure 7 Decode Board USB Version Shown Serial Number Label Sample Mounting Specifications 154910 00 and 154911 00 Non Decode Engine Dimensions The 00 models include two 075 1 9 mm blind holes for mounting the engine with self tapping screws The mounting holes are located on the bottom of the unit with an additional keyi
34. nce Angle 3 Targeting 3 Targeting Divergence Angle Divergence Angle Engine Face Bottom View Side View Figure 14 154910 Optical Clearance Specifications 37 Illumination 28 50 Illumination Divergence Angle Divergence Angle 19 Field of View Divergence Angle 8 95 mm 14 25 Field of View Divergence Angle 0 89 mm 3 Targeting 3 Targeting Divergence Angle Divergence Angle Engine Face sees Side View Bottom View Figure 15 154911 Optical Clearance Specifications System Considerations In order to ensure proper operation of the decode engine s electrical system care must be taken to ensure the following requirements are met Power Supply The decode engine is powered from the host device via the VIN and GND pins of the ZIF connector on the decode board This voltage must be maintained within the specified voltage range at the decode board see electrical specifications on page 34 Voltage drops in the host flex cable must be taken into account The power must be clean and heavily decoupled in order to provide a stable power source Note The power supply must be able to handle dynamic current loads because the input current will increase considerably when the illumination LEDs are enabled Host Flex Cable The host flex cable is used to carry power and data signals between the decode engine and the host system The flex cable should allow for minimal voltage drop and mainta
35. ndow od 910 ut 13 CULUUUIRUOU 02111 b s b 13 Optical Clearance Specifications 88882 833883338 833338 333833333333 3 33 14 System Considerations nn e O 15 eelere 15 Power else e Le MORTC T 15 Thermal Considerations 8 888888888 8828883888 n nn rnn nn nn nnrrrnnnrnnnnnnnnenaninos 15 Theory of Operation GLE 0 I du PME MEI ee ee eee 0 o 0 LI 16 misc ihterace sional l n daaa da aa alalar l mE 17 Usage ol en En Een ici lila 18 POWer Mode Ree de EE 20 Ser l ConliguraLOnSac 22 leie Eeer NR E e Om ania it 23 Operational Timing FOM BON EE 24 Power Down Suspend Power Removed rrrrnrnanrnnnrrvnrrvnnnrnanrnnnnnnanennnnennnrnnannnanennanennnnnnnnennnennnnennnennnnennnnnnnnennn 26 Decode TIN ae 27 Summary OPE TNS RE 28 Depth of Field vs Bar Code Element 5001586 9 o b n 0 29 iens D b NOS 30 Exposure Time for Image Acquisition ee 31 Design Specifications 32 leen Uer EE ER ENO MENA PN 33 ENN 34 Petaled Electrical Specifications E TE m m 34 GUTEN AV AV CIOMTNS E 36 Imaging Engine and Decode PCB Terminations imaging Engine interace el ae te EE 38 Decode Board USB amp TTL Interface CGonpnechor nenn
36. ne is in its lowest power consumption state PWRDWN Pin State Asserted HIGH Transition fo Suspend Mode e he engine is turned to Suspend Mode upon receiving the USB Suspend signal from the USB host e he engine can be turned to Suspend Mode any time by the USB host The engine can wake up from Suspend Mode and reboot Upon receiving the Resume signal from the USB host 21 Serial Configuration The 154920 series can be configured by scanning configuration bar codes or by serial commands sent from the host device With serial configuration each command sent to the engine is the ASCII representation of each numeral in the configuration bar code see Figure 19 The entire numeric string is framed with an ASCII stx and an ASCII etx Sus MINIMA 507 Include in the in the Command Command Figure 19 Example 1 Feature Host Command String Sent to the Engine ASCII Representation Hexadecimal Values Disable Codabar stx 100 104 etx 02h 31h 30h 30h 31h 30h 34h 03h If the command sent to the engine is valid the engine will respond with an ack f the command sent to the engine is invalid the engine will respond with a nak then automatically exit serial configuration mode All the settings chosen in the failed serial configuration session will be lost There is a 20 second window between commands If a 60 second timeout occurs the engine will send a nak To enter serial configuration mode s
37. ne with RF equipment modems etc may require examination s to the standard s for the specific equipment combination t is the manufacturers responsibility to comply with the applicable federal regulation s The 154920 series area imaging engine is designed to meet EN55022 Radiated Class B emission limits The engine was installed in a representative system and tested for compliance Canada EMC Products meeting FCC 47 CFR Part 15 will meet Industry Canada interference causing equipment standard for digital apparatus ICES 003 Additional testing is not required A written notice indicating compliance must accompany the apparatus to the end user The notice shall be in the form of a label that is affixed to the apparatus The notice may be in the form of a statement included in the user s manual if because of insufficient space or other restrictions it is not feasible to affix a label to the apparatus 47 EMI The 154920 consists of a 400MHz processor running a 100MHz SDRAM bus and a camera interface capable of image transfer up to 48MHz The 154920 series engine was designed to meet EN55022 Radiated Class B emission limits Using the system shown below the decode engine was able to meet these requirements with an input voltage VIN 3 3V and the camera interface operating at its maximum frequency of 48MHz Figure 41 154920 EMI Test System Components used in 154920 EMI test system Given the decoding platform architectu
38. ng location point for engine alignment Warning The limited warranty on page 49 is void if the following guidelines are not adhered to when mounting the engine When securing the engine with screws Use V2 2 x 4 5 Philips pan head type AB steel zinc clear Trivalent self tapping screws Do not exceed 1 75 0 5 in lb 2 02 6 cm kg of torque during screw installation e Use a minimum mount thickness of 0 3 mm Use safe ESD practices when handling and mounting the engine 810 010 20 57 254 m A ATTENTION Electrostatic 048 002 1 22 05 Sensitive Device Maximum Depth of 0 04 1 0 a E TT 8 AT 396 005 VI 10 06 120 34 065 002 x PAL RDA 1 65 050 465 010 6 61 050 11 81 250 520 002 SIDE VIEW 13 21 050 BOTTOM VIEW 075 1 9 1x 125 3 18 Deep 2 Places Holes are provided for mounting with self tapping screws Molex Plug P N 55560 0227 UNITS INCHES MM BACK VIEW Figure 8 154910 00 154911 00 Dimensions 154910 01 154911 01 Non Decode Engine Dimensions The 01 models include two 2 075 1 9 mm blind holes for mounting the engine with self tapping screws Two additional 098 002 2 5 mm 05 mm clearance holes are provided as a secondary mounting option The clearance holes are located on tabs that extend from the sides of the engine s chassis A keying location point is provided on the
39. operty of their respective owners Patents Please refer to page 50 for a list of patents Table of Contents Introduction FOCI CE OVO ON o 1 Models and Accessories 2882338324 RR oa iii 3333333333 2 Components of the 154920 154921 Decode Engine 154920 0 154921 0 Bracket Not Included 2882232283 288333 28333838333 3 154920 1 154921 1 Bracket Included 2888233322 333 2283343322 3333333333 33 5 3 Components of the 154910 154911 Non Decode none 4 Componenis of the Decode Printed Circuit Board TUE LOV r o E 0 A 5 VE 5 MTT SS 5 Mounting Specifications 154910 00 154911 00 Non Decode Engine Dimensions 8333888833 6 154910 01 154911 01 Non Decode Engine Dimensions 8338833883 3333 7 154910 02 154911 02 Non Decode Engine Dimensions 8888338833 3333 8 Decode Printed Circuit Board Dimensions MS 0 m ii b a s 10 m 10 154920 2 154921 2 Bracketed Decode Engine Dmensaons enn 11 Enclosure Specifications Electrostatic Discharge ESD Cautions eese nennen nnne nnne nnne nnne nne nn nna nns 12 Airborne Contaminants and Foreign Matenale 12 Qulu Wi
40. ower circuitry At this point the nTrig and nWake signals can be used with out interrupting the power Figures 21 23 show the state several host signals when power is first applied and when the unit enters boot mode Note The default state of TxD depends on the 232INV signal When 2321NV is low the default state of TxD is high When INV is high the default state of TxD is low M M MM LM E nBeeper nGood Read or XE EE EE MEA 7 Hi sx 5 nBeeper 7 R pb 3 5 mumu uu ma saba p li 9E PWRDWN PWRDWN 10 aq 1 7 3 1 cS one gt M10 0ms A Ch3 I 2 30 vi hl 5 00 V Ch2 5 00 Y TM 1 00s A Ch3 I 2 30 Vi Sch 5 00 V Ch4 3 00V ur 1 GE 55 00 4 5 00V j Figure 21 Power First Applied of TTL Figure 22 Boot Up Sequence of TTL Version Version Vin 5V Vin 5V initiated by nTrig y M Wl ME EET II EIL 6 24 Chi 5 00 V Ch2 5 00 V FM 1 005 A Ch2 1 1 70 Vi 00V Cha 500V I 0 020 24 2 08 2 2 2 u he Figure 23 Transmit and RTS during Boot Up forTTL Version Vin 5V 25 Notes n Figure 21 the nGoodRead nBeeper and PWRDWN signals are high while in the Power Down Mode The RTS Signal will be high in Power Down Mode regardless of the RTS polarity software configuration Also the RTS signal may have the incorrect polarity when the device first enters Boot Mode Figure 23 or righ
41. p Modes upon the reception of the nWake signal 20 Sleep Mode The engine is sleeping but is fully powered The CPU is in sleep mode The image sensor is in standby mode the wakeup from the Sleep Mode requires the image sensor reprogramming which is done automatically in the engine software PWRDWN Pin State De asserted LOW Transition to Sleep Mode e The engine is turned to Sleep Mode from Idle Mode upon the expiration of the sleep timeout which is set to one second by default The sleep timeout is restarted every time the engine enters the Idle Mode he engine can be turned to Sleep Mode from Operating Mode or Idle Mode immediately upon the reception of a special single byte serial command from the host The byte value is configurable Power Down Mode TTL RS232 Only The power of the engine is turned off PVVRDVVN Pin State Asserted HIGH Transition to Power Down Mode he engine is turned to Power Down Mode from Sleep Mode upon the expiration of the power down timeout which is set to 10 minutes by default The power down timeout is restarted every time the engine enters the Sleep Mode e he engine can be turned to Power Down Mode immediately upon the reception of a special single byte serial command from the host The byte value is configurable The engine can wake up from Power Down Mode and reboot Upon reception of the nTrig or nWake signals Suspend Mode USB Only The engi
42. r additional power savings the unit must be placed in Suspend Mode per the USB specification Figure 20 shows the power up sequence of the USB version of the decode engine Note The PWNDWN signal remains high until the Decode platform transitions to Idle Mode and is ready to accept commands In the USB version the PWNDWN Pin will only be high during this boot up condition or when the Decode enters Suspend Mode From Figure 20 it can be seen that the entire boot up sequence takes approximately nine seconds iL PWRDWN ess Chi 5 00 V Ch2 5 00 V WM 1 00s A Chl 2 00 vi Ch3 5 00 V w M uo e T AA A AAA A A A A A A A Figure 20 Power Up Boot Up Sequence of USB Version 24 The TTL version of the decode engine does not have an on board microcontroller to control the power to the decode platform and imaging engine As such the TTL version can only enter Boot Mode in response to signals from the host nTrig or nWake When VIN is initially applied with the nWake and nTrig signals held high the unit will be in the Power Down Mode In this state the PWRDWN signal will be high and all other output signals will be in their default state By bringing either the nTrig or nWake signal low power will be applied to the entire system and the unit will enter the Boot Mode The nTrig or nWake signal will need to be held low continuously for approximately two seconds at which time the decode engine will take control of the internal p
43. re described above the harmonics of 48MHz and 100MHz were most prevalent 48 Limited Warranty Honeywell International Inc HII warrants its products and optional accessories to be free from defects in materials and workmanship and to conform to HII s published specifications applicable to the products purchased at the time of shipment This warranty does not cover any HII product which is i improperly installed or used ii damaged by accident or negligence including failure to follow the proper maintenance service and cleaning schedule or iii damaged as a result of A modification or alteration by the purchaser or other party B excessive voltage or current supplied to or drawn from the interface connections C static electricity or electro static discharge D operation under conditions beyond the specified operating parameters or E repair or service of the product by anyone other than HII or its authorized representatives This warranty shall extend from the time of shipment for the duration published by HII for the product at the time of purchase Warranty Period Any defective product must be returned at purchaser s expense during the Warranty Period to HII factory or authorized service center for inspection No product will be accepted by HII without a Return Materials Authorization which may be obtained by contacting HII In the event that the product is returned to HII or its authorized service center within the
44. re provided as a secondary mounting option The threaded inserts are located on tabs that extend from the sides of the engine s chassis A keying location point is provided on the bottom of the engine to assist with alignment Warning The limited warranty on page 49 is void if the following recommendations are not adhered to when mounting the engine When securing the engine by utilizing the M2 threaded inserts Use M2 x 0 4 Philips Pan Head Type AB Steel Zinc Clear or equivalent screws Do not exceed 2 5 in Ib 2 88 cm kg of torque when securing the engine module to the host e Use a minimum mount thickness of 0 3 mm Use safe ESD practices when handling and mounting the engine 1 310 10 003 0 105 0 005 33 274 0 076 2 667 0 127 1 096 0 05 0 250 0 003 IL 27 838 11 270 6 350 0 076 0 097 0 003 2 464 0 076 TOP VIEW Through Hole 2 places Clearance holes for 2 or M2 1 512 10 02 socket head cap screw 38 405 0 508 0 241 0 003 6 121 0 076 0 765 0 02 f Ei ez Ta 0308 REF 19 431 20808 HO HOK mi ITI EH FRONT VIEW M2 x 0 4 Threaded Inserts 1 106 0 003 3 Places 28 092 0 076 1 1 033 0 003 0 346 0 005 8 788 0 127 0 276 0 003 A 7 010 40 076 4 0 110 40 003 Ath 2 794 0 076 ATTENTION DIMENSIONS INCHES MILLIMETERS BOTTOM VIEVV Figure 13 154920 154921 Bracketed Decode Engine Dimensions 11 Enclos
45. riod may produce considerable heating This mode should be limited and sufficient airflow should be provided whenever possible to minimize internal heating Excessive heating may degrade images and potentially damage the engine See page 38 for additional information on electrical specifications See pages 38 and 42 for additional information on the engine pinouts and flex cable pinouts 15 Theory of Operation Overview The 154920 decode imaging engine series is ideal for integration into data terminals and other small devices The high quality images produced by the imaging engine can be used for decoding bar codes image upload signature capture document lifting and reading OCR fonts The decode engine consists of two main system components the a non decode imaging engine which utilizes a high resolution CMOS image sensor and a small decode board that contains a powerful microprocessor and the firmware to control all aspects of the engine s operations and enabling communication with the host system over the standard set of communication interfaces The model 15492x xx103 provides communication with the host system over TTL level RS232 communication interface The model 15492x xx38 provides communication with the host system over USB It can be configured for the following protocols of USB communication USB Keyboard Emulation Mode default USB Serial Emulation Mode The system hardware architecture of the decode eng
46. s are provided as a secondary mounting option The threaded inserts are located on tabs that extend from the sides of the engine s chassis A keying location point is provided on the bottom of the engine to assist with alignment Warning The limited warranty on page 49 is void if the following recommendations are not adhered to when mounting the engine When securing the engine with self tapping screws e Use V2 2 x 4 5 Philips pan head type AB steel zinc clear trivalent self tapping screws Do not exceed 1 75 0 5 in lb 2 02 6 cm kg of torque during screw installation e Usea minimum mount thickness of 0 3 mm Use safe ESD practices when handling and mounting the engine When securing the engine by utilizing the M2 threaded inserts e Use M2 x 0 4 Philips Pan Head Type AB Steel Zinc Clear or equivalent screws Do not exceed 2 5 in Ib 2 88 cm kg of torque during screw installation Use a minimum mount thickness of 0 3 mm Use safe ESD practices when handling and mounting the engine See Figure 10 on page 9 for detailed engine dimensions 12 954 051 T 5577 048 3 002 1 22 05 Maximum Depth of 0 04 1 0 A Alex 571 3 020 Or d Sa 520 015 n EN 451 11 455 ATTENTION A 13208 381 Electrostatic Sensitive Device M2 x 4 Threaded Inserts 2 Places 14 503 508 038 002 965 051 9 075 1 9 X 125 3 18 Deep 2 Places 226 4 005 BOTTOM VIEW Holes
47. s teu sons Bons A nGoodRead 2 3 5 Im 5 00 v amp Ch2 5 00 V M40 Oms A chi X 2 00 vi 5 00 Y Ch4 5 00V EN Figure 26 Decode time after receiving nTrig signal in Sleep Mode 27 Summary of Operation Timings Operation Timing Specifications RT Minimum Activation Time for Trigger or E E 9 mMIN_PU Wake Signal to Power Up TTL Unit Timing is the same for Both TTL or USB version Processor is in Idle Mode when nTrig signal is received Processor is in Sleep Mode when nTrig signal is received Typical time specified may vary depending on the enumeration time of the USB host Typical times specified are valid for an 154920 or an 154921 with a firmware version of 15848 or higher Units with a firmware version lower than 15848 may require up to 3 seconds of an additional time 28 Depth of Field vs Bar Code Element 154920 Depth of Field Bar Code In the Field of View Element Width Start End Total From Engine Face From Engine Face 50 mm 2 0 95 mm 3 77 180 mm 7 1 285 mm 11 2 160 mm 6 3 115 mm 4 5 1 0 270 mm 10 6 245 mm 9 6 95 mm 3 7 45 mm 1 8 4 160 mm 6 3 125 mm 4 9 260 mm 10 2 220 mm 8 7 Depth of field information is for reference only Actual values may vary depending on testing conditions 37 5 Field of View A Divergence Angle VI AER e Cer go MA E Di Top View Side View
48. s than 5 5V for all pins T Ifthe Vinput signal is greater than VIN current will flow from the input to the VIN pin through the pull up resistors on the engine In Suspend Mode this may cause current to flow into the USB power This is not recommended 34 Input High Trigger VIL Input Low RX CTS 8xVIN VIL 3 Input Low Trigger 25V Output High Voltage TX RTS 8xV N RTS 1 0 2 3 14xVIN Isink 2 16 mA DV Isink 25 mA VOH Output High Voltage nBeeper nGoodRead VOL 2 Output Low Voltage nBeeper nGoodRead VOH Output High Voltage Power down SCH 5 5V VOL 3 Output Low Voltage Power down OV Isink 8 mA PWRDWN nGoodRead and nBeeper are open drain outputs w 100K pull ups to VIN Actual VOH will be determined by the parallel resistance of the 100K pull up and any external impedance Current Draw 25 C Signal Description VIN 23 3V VIN 5V VIN 3 3V VIN 5V Continuous Average draw during continuous 235 mA 175 mA 200 mA 140 mA Scan mode scan mode Me Average current draw while in idle mode 160 mA 120 mA 125 mA 85 mA Suspend Average current draw in USB suspend Mode USB 1 USB version only dun 0 Power Down Average current draw in power down mode Mode TTL TTL Version Only 3 Note Continuous Scan Mode current will vary based on object size distance and type The numbers listed above are typical 35
49. serted high PWRDWN signal The PWDWN pin is used to indicate when the decode engine is in various operating modes such as Power Down Suspend and Boot Note The output signals from the decode engine can experience analog behavior when VIN is initially applied or removed due to the supply voltage ramping up or down Care must be taken to ensure that this behavior does not adversely affect the host System Special attention must be given to the PVVRDVVN Pin When power is initially applied the output state of this line will be indeterminate for about 10mS until the USB controller exits reset The state of this pin should be disregarded during this time The following waveforms show several signals when VIN is first applied Figure 17 and when VIN is removed Figure 18 v 2 MIN PWR D OWN 65 ch z Lr NR NER UN A inGood Read wie 5 00 V nd 5 00 Y E M1 00ms A chi F 3 60 v Ch3 5 00 V Ch4 5 00 V A o 2 97200ms Figure 17 VIN First Applied USB 4 VIN A m PWRDOWN E nBee Der 1 3 Ee r i LETS R nGoodRead i 3 1 Chi 5 00 V SCh2 5 00 V M 100ms chi 7 2 00 v Ch3 5 00V sek 5 00 V E A A A A A esee een So rena A e een senee A O A A A A PA O eroe aenea eno Sene A Figure 18 VIN Removed USB 19 Power Mode Descriptions Boot Mode The engine is booting up PVVRDVVN Pin State Asserted HIGH Transition to Boot Mode e he TTL RS232 engine is turned to
50. t before the unit enters Power Down Mode Figure 24 The USB version can be placed into Suspend Mode via the USB suspend signal for low current consumption When this occurs power to the decoding platform and imaging engine is removed While in this state nBeeper and nGoodRead will be in their default state Hi z with weak pull up PWRDWN will be high and the USB data lines will be in the Suspend Mode Power Down Suspend Power Removed At any time VIN can be completely removed from the decode engine however care must be taken to avoid removing power during the boot up flash upgrades or configuration updates Removing power during these times can result in the corruption of the flash memory Figure 18 shows several host signals during a power removed condition for the USB version The TTL version enters into the Power Down Mode in which power to the decoding platform and imaging engine is removed The decoding processor can initiate a Power Down sequence after a programmable time period has elapsed without any activity Figure 24 shows the TxD RTS VIN and PWRDWN signals when the TTL enters into Power Down Mode RIS 1 KE EE AE TxD PVVRDVVN 1 Chl 5 00 V Ch2 5 00 V TM 1 00s A Ch3 2 30 V IE 5 00 V Cha 5 00 Y Figure 24 Power Down for TT 26 Decode Timing Engine image acquisition or decoding can occur from either the Idle Mode or the Sleep Mode The process is initiated by asserting t
51. to 24mA each when driven to the low state For beeper applications care must be taken to ensure that inductive spikes do not cause the voltage on the lines to exceed the maximum voltage of 5 5V Warning The nGoodRead and nBeeper signals are not current limited The external host circuitry connected to these pins must ensure that the current is limited to 25mA At any given time the decode engine can be in one of the following power modes see page 20 for descriptions e Boot Mode e Operating Mode e Idle Mode e Sleep Mode Presentation Wakeup Mode e Power down Mode TTL Only e Suspend Mode USB Only When the decode engine is in the Sleep or Presentation Wakeup Mode the nWake or nTrig signals can be used to wake up the engine The nWake signal wakes up the engine and turns the engine into the Idle Mode which in the TTL RS232 version enables communication with the host for a short period of time defined by the value of the sleep timeout which is set to one second by default Note In the USB decode engines with USB Serial Emulation Mode activated communication with the host is enabled even when the engine is in the Sleep or Presentation Wakeup Mode 18 The nTrig signal not only wakes the engine up but also immediately activates and turns the engine into the Operating Mode Either nWake or nTrig signals can be used to restart the TTL RS232 scanning engine when the engine is in Power down Mode which is indicated by the as
52. ure Specifications The imaging engine was specifically designed for integration into custom housings for OEM applications The imaging engine s performance will be adversely affected or permanently damaged when mounted in an unsuitable enclosure Warning The limited warranty on page 49 is void if the following considerations are not adhered to when integrating the area imaging engine into a system Electrostatic Discharge ESD Cautions A All engines and decode boards are shipped in ESD protective packaging due to the sensitive nature A of the exposed electrical components e ALVVAYS use grounding wrist straps and a grounded work area when unpacking and handling the engine e Mount the engine in a housing that is designed for ESD protection and stray electric fields ESD has the ability to modify the electrical characteristics of a semiconductor device possibly degrading or even destroying the device ESD also has the potential to upset the normal operation of an electronic system causing equipment malfunction or failure Airborne Contaminants and Foreign Materials The imaging engine has very sensitive miniature electrical and optical components that must be protected from airborne contaminants and foreign materials In order to prevent permanently damaging the imaging engine and voiding the limited warranty on page 49 the imaging engine enclosure must be Sealed to prevent infiltration by airborne contaminants and for
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