Metrologic Instruments IS4823 manuale d’uso

IS4813, IS4815, IS4823, and IS4825 Single-Line Laser Scan Engine Integration Guide[...]

Disclaimer Metrologic Instruments Inc. (Metrologic) 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 Metrologic to determine whether any such changes have been made. The information in this publication does not represent a commitmen[...]

ii Table of Contents Introduction Product Overview ............................................................................................................... ............................ 1 Models and Accessories Non-Decode Engines ..................................................................................................................[...]

iii Sleep Mode ..................................................................................................................... .............................. 18 Serial Configuration Mode ......................................................................................... 19 Abbreviated ASCII Table ........................................[...]

1 Introduction Product Overview The non-decode IS4813 and IS4815 laser scan engines are designed for direct integration into custom OEM devices equipped with a decoder. The engine’s small size is ideal for integration into mobile computers, hand - held scanners, medical/diagnostic equipment, mobile printers, lottery terminals, ATMs and acce ss co[...]

2 Models and Accessories Non-Decode Engines Options Model Description IS4813 Non-Decode, 3.3VDC Scan Engine IS4815 Non-Decode, 5VDC Scan Engine Accessories Part Number Description 19-07335 Flex Cable, 10-POS, 67.5 mm Length Decode Engines Options Base Model Description IS4823 3.3VDC Scan Engine with Decode PCB IS4825 5VDC Scan Engine with Decode PC[...]

3 Components of the IS4800 Engine Series IS4813 and IS4815 Non-Decode Engine Item Description Item Location 1 Pin Locator Holes (see page 6) 2 Threaded Mounting Points (see page 6) 3 Exit Beam Location, Laser Light Aperture AVOID EXPOSURE! – LASER LIGHT IS EMITTED FROM THIS APERTURE. 4 Flex Cable, 10-POS 5 ZIF Connector, 10-Pin 6 Printed Circuit [...]

4 IS4823 and IS4825 Bracketed (-1 † and -2) Decode Engine Assembly Item Description Item Location 1 Flex Cable, 12-POS 2 Flex Cable, 10-POS 3 ZIF Connector, 10-PIN 4 Exit Beam Location, Laser Light Aperture AVOID EXPOSURE! – LASER LIGHT IS EMITTED FROM THIS APERTURE 5 IS4813 or IS4815 Laser Scan Engine 6 ZIF Connector, 12-PIN 7 Decode Printed C[...]

5 Assembly IS4823-2 and IS4825-2 Figure 7. IS4823-2/IS4825-2 Assembly Item Description Qty. 1 Bracket, Base 1 2 Screw, M1.6 x 35 – 5 mm, Philips Stainless Steel with Patch 2 3 IS4813 or IS4815 Scan Engine 1 4 Flex Cable, 10-POS 1 5 Decode Printed Circuit Board 1 6 Flex Cable, 12-POS 1 7 Bracket, PCB Locking Bar 1 8 Screw, M1.2 – 6 mm, T3, Threa[...]

6 Mounting Specifications IS4813 and IS4815 Scan Engine Dimensions The engine has two M1.6 tapped holes on the bottom of the chassis for mounting the engine with screws. Two additional blind holes are provided on the bottom of the engine for keying purposes to assist with engine alignment (see figure below). Warning: The limited warranty (on page 3[...]

7 IS4823 and IS4825 Bracketed (-1 and -2) Dimensions The engine bracket has three M2 x 0.4 threaded inserts on the bottom for mounting the assembly with screws. Two through holes are also provided as an alternative mounting method. Warning: The limited warranty (on page 37) is void if the following recommendations are not adhered to when mounting t[...]

8 IS4823 and IS4825 (-0) Decode Printed Circuit Board Dimensions Warning : The limited warranty (on page 37) is void if the following recommendations are not adhered to when mounting the IS4800 series laser scan engine. When securing the decode board: • 3M™ 4032 1/32" double-coated urethane foam tape (or equivalent). • Use safe ESD pract[...]

9 Exit Beam Specifications Figure 11. IS4800 Series Exit Beam Specifications See page see pages 12 - 15 for information on window material specifications and enclosure design considerations. Specifications are subject to chan ge without notice.[...]

10 Enclosure Specifications The IS4800 laser scan engine series was specifically designed for integration into cu stom housings for OEM applications. The scan engine’s perf ormance will be adversely affected or permanently damaged when mounted in an unsuitable enclosure. Note: THIS DEVICE DOES NOT COMPLY WITH 21 CFR 1040. USE ONLY AS COMPONENT. T[...]

11 Flex Cables  Note: To ensure optimum engine stability, use the flex cables shipped with the scan engine. The host flex cable is used to carry power and data signals between the engine and the host system. The flex cable should allow for a minimal voltage drop and maintain a good ground connection between the host and the engine. In terms of g[...]

12 Beam Clearance • Keep the scan engine’s beam sweep free from obstruction s. For detailed information on the exit beam angle and location, please refer to Exit Beam Specifications on page 9. • A dark matte-finish on the internal walls of the housing can be utilized to avoid internal beam reflections. Output Window Properties Note: Contact a[...]

13 Output Window Coatings • Anti-Reflection An anti-reflective coating can be applied to the inside and/or outside of th e window to reduce the possibility of internal beam reflections interfering with the scan performance of the engine. If an a nti- reflective coating is applied, it is recommended that it be on both sides of the window providing[...]

14 Minimum Allowable Window Position Required To Avoid Detrimental Internal Refl ective Beam Interference at Positive Exit Beam Angle Tolerance Exit Beam Elevation Angle α Minimum Projected Distance (mm) from the Engine’s Base to the Window’s Internal Surface (L) Minimum Window Angle θ +2.5° 5.0 28.0° +2.5° 10.0 14.5° +2.5° 15.0 10.5° +[...]

15 Minimum Allowable Window Position Required To Avoid Detrimental Internal Refl ective Beam Interference at Negative Exit Beam Angle Tolerance Exit Beam Depression Angle β Minimum Projected Distance (mm) from the Engine’s Base to the Window’s Internal Surface (M) Minimum Window Angle θ -2.5° 5.0 23.5° -2.5° 10.0 16.5° -2.5° 15.0 12.5° [...]

16 Scan Engine Field of View and Depth of Field Field of View  Distance from Engine Face  Width of Field of View 50 mm (2") 57 mm (2.2") 254 mm (10") 264 mm (10.4")  See page 9 for detailed information on the engi ne's exit beam specificatio ns.  Based on a .33 mm (13.0 mil) bar cod e. Figure 14. Typical F[...]

17 Descriptions of IS4823 and IS4825 Operating Modes Activation Modes The following activation modes initiate the engine’s laser a nd motor drive circuitry for bar code scanning. Activate Scanning with the External Trigger (Default). An external I/O pin is used to enable the scanning cycle. A High-to-Low transition on the I/O signal is used t o a[...]

18 Transmit “NO READ” Me ssage on Laser Timeout If the scanning cycle terminates without scanning a bar code during the cycle, a “NO READ” message is transmitted with the termination of the scanning cycle. Activate the LED During the “NO READ” Transmission The LED is activated with the “NO READ” message. The LED is also activated af[...]

19 Serial Configuration Mode The IS4823/IS4825 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 15 ) . The entire n umeric string is framed with an[...]

20 Example 2: The following sample illustrates the serial command sequence for configuring the engine for the fa ctory default settings, disabling Code 128 scanning, and adding a “G” as a configurable pre fix. Commands for features that require sequences of multiple b ar codes for activation (i.e. prefixes, suffixes, and timeout features) shoul[...]

21 General Design Specifications Operational Light Source: Visible Laser Diode (VLD) @ 650 nm Laser Power: 1 mW Depth of Scan Field: 50 mm – 254 mm (2" – 10") for 0.33 mm (13 mil) bar codes 57 mm (2.2") @ 50 mm (2") from engine face Width of Scan Field: 264 mm (10.4") @ 254 mm (10") from engine face Scan Speed: 100[...]

22 Electrical IS4813 IS4815 Input Voltage: 3.3VDC ± 0.3VDC 5.0VDC ± 5% Power Consumption: 400 mW 350 mW Typical Operating Current: < 120 mA @ 3.3VDC < 70 mA @ 5.0VDC Standby Current: < 30 mA @ 3.3VDC < 15 mA @ 5.0VDC IS4823 IS4825 USB TTL USB TTL, RS232 Peak Operating Current: 170 mA 150 mA 135 mA 135 mA Idle Current: 75 mA 50 mA 72 m[...]

23 Detailed Electrical Specifications Absolute Maximum Ratings Signal Signal Description Minimum Max imum Vinput † Voltage Applied to Any input pin (except D+ and D-) * -0.3V Vin Voutput Voltage Applied to Any output pin ** -0.3V Vin + 0.3V * For USB version, Voltages on D+ and D- si gnal m ust conform to USB Specification ** Voutput must be less[...]

24 IS4825 DC Operating Voltages Signal Signal Description Minimum Maximum Condition VIN Operating Voltage 4.75V 5.25V VIH(1) Input High (RX, CTS) 2.5V VIL(1) Input Low (RX, CTS) 0.8V VIH(2) Input High (TTL_INV, nWake) 0.8 x Vin VIL(2) Input Low (TTL_INV, nWake) 0.8V VIH(3) Input High (EXT. Trigger) 0.8 x Vin VIL(3) Input Low (EXT. Trigger) 0.8V VOH[...]

25 Scan Engine Terminations IS4813 Engine Connections 10-Pin ZIF Connector Pin Signal Name Function 1 No Connect No Connect 2 Power, V CC 3.3V ± 0.3V 3 No Connect No Connect High = Laser OFF 4 Laser Enable* Low = Laser ON, only if pin 5 (scan enable) is also Low High = Engine OFF 5 Scan Enable* Low = Engine ON High = Bar 6 Digitized Bar Pattern, D[...]

26 Decode Printed Circuit Board Terminations USB Decode PCB, 3.3V 12-Pin ZIF Connector Pin Signal Name Function 1 No Connect No Connection 2 +3.3V Power: Supply Voltage Input, +3.3V ± 0.3V 3 GND Ground: Power and Signal Ground 4 D- Input: USB D- Signal 5 <reserved> Pin Function Reserved 6 D+ Input: USB D+ Signal 7 <reserved> Pin Functi[...]

27 USB Decode PCB, 5V 12-Pin ZIF Connector Pin Signal Name Function 1 No Connect No Connection 2 +5.0V Power: Supply Voltage Input, +5.0V ± 5% 3 GND Ground: Power and Signal Ground 4 D- Input: USB D- Signal 5 <reserved> Pin Function Reserved 6 D+ Input: USB D+ Signal 7 <reserved> Pin Function Reserved 8 PWRDWN Output: Active High = Eng[...]

28 TTL, RS232, 3.3V / 5V 12-Pin ZIF Connector Pin Signal Name Function 1 TTLINV Input: TTL RS232 Polarity Control wit h 33.2k ohm Pull-Up 2 +3.3V or 5.0V Power: Supply Voltage Input, +3.3V ± 0.3V or +5.0V ± 5% 3 GND Ground: Power and Signal Ground 4 RxD Input: TTL Level RS232 Receive Data 5 TxD Output: TTL Level RS232 Transmit Data 6 CTS Input: T[...]

29 Flex Cable Specifications and Installation Guidelines Figure 21. Flex Cable Specifications and Installation Guidelines Specifications are subject to chan ge without notice.[...]

30 Timing Diagrams Startup Condition Timing Diagram The timing diagram below illustrates the correct power up procedure for the IS4813 and IS4815 engines. Scan Enable and Laser Enable are host driven signals. The Scan Enable and Laser Enable signals should be kept LOW (ON) at power up. Scan Control and Laser Control are engine driven signals. The e[...]

31 Scan Sense Timing Diagram The Scan Sense signal is a 50% duty cycle square wave with the transitions from HIGH to LOW indicating a change in the scan direction of the scanning beam (see Figure 22). Valid scan data occurs betw een the HIGH to LOW transitions. Figure 23 illustrates the condition in which power to the engine stays ON. Scan Enable a[...]

32 Bar Code Element Time Calculation Realization of the full depth of field for all bar codes given in the specification is based on the ability of the decoding hardware to resolve a varying range of mi nimum element times. The minimum element time calculation for a given bar code size at a given distance is shown in Equation 1 ( belo w ). Minimum [...]

33 Regulatory Compliance THIS DEVICE DOES NOT COMPLY WITH 21 CF R 1040. USE ONLY AS COMPONENT. The IS4800 Series Laser Scan engines are designed to meet the requirements of IEC Class 2 in accordance with IEC 60825-1:1993+A1:1997+A2:2001. IEC Class 2 is defined as follows: Emission Duration: Greater than 0.25 seconds Accessible Emission Limit: Less [...]

34 United States Laser Safety To assist with the FDA filing requirements (refer to Regulatory Requirements), Metrologic has registered the scan engine with the FDA as a component. Custom ers can contact CDRH at the following address: Food and Drug Administration Center for Devices and Radiological Health Light Products Branch (HFX-312) Office of Co[...]

35 Canada Laser Safety The Radiation Protection Bureau currently accepts produc ts meeting the FDA standards in Canada. For more information contact: Radiation Protection Bureau 775 Brookfield Road Ottawa, Ontario K1A 1C1 EMC Products meeting FCC 47 CFR Part 15 will meet Industry Canada interference-causing equipment standard for digital apparatus,[...]

36 Caution Use of controls or adjustments or performance of proc edures other than those specified herein may result in hazardous laser light exposure. Under no circumstances should the cu stomer attempt to service the laser scanner. Never attempt to look at the laser beam, even if the scanner appears to be nonfunctional. Never open the scanner in [...]

37 Limited Warranty The IS4800 series laser scan engines are manufactured by Metrologic at its Suzhou, China facilit y. The IS4800 series scan engines have a two (2) year limited warranty from the date of manufacture. Metrologic warrants and represents that all IS4800 series scan engines are free of all defect s in material, workmanship and design,[...]

38 Patents Worldwide patents pen ding.[...]

39 Index A Accessories ........................................................... 2 Activate .................................................. See Modes ASCII ............................................................. 19, 20 Assignments pin ..................................................................... 25 B Beam aperture ...............[...]

40 Scan Speed ......................................................... 21 Screws ............................................................... 6–8 Serial Configuration ............................................. 19 Signals ................................................................. 23 T Tape.............................................[...]

41 Contact Information The A mericas ( TA ) German y Guan g zhou Sales Office Tel: 86-20-38823476 USA Tel: 49-89-890 19-0 Fax: 86-20-388234 77 Fax: 49-89-89019-200 Email: info @ cn.metrolo g ic.com Tel: 866.460.8033 (Customer Service) Email: info @ de.metrolo g ic.com 888.633.3762 (Technical Support) 856.228.8100 (Corporate) Bei j in g Sales Office[...]

42 Product Service and Repair North America Suzhou Sales Offi ce European Repair Center Tel: 800.436.3876 (Customer Service) Tel: 86-512-67 622550 Tel: +34 913 751 249 866.460.8033 (Customer Support) Fax: 86-512- 67622560 Fax: +34 913 270 43 7 888.633.3762 (Technical Support) Email: info@cn.metrologic.com Fax: 856.228.6673 (Sales) Email: info@metro[...]

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Metrologic Instruments, Inc. 90 Coles Road Blackwood, NJ 08012 00-02019 Rev G April 2009[...]