Metrologic IS4910 Series Especificações Página 1

METROLOGIC INSTRUMENTS, INC. IS4920 Series Area Imaging Decode Engine Integration Guide

6 INTRODUCTION Components of the Decode PCB (TTL Level RS232) DECODE PCB (TTL LEVEL RS232) ITEM NO. DESCRIPTION 1 12 POS FFC Connector .5MM Pitch

7INTRODUCTION Components of the Decode PCB (USB) DECODE PCB (USB VERSION SHOWN) ITEM NO. DESCRIPTION 1 22-Pin, 0.50 mm (.020") Pitch SlimS

8 INTRODUCTION Labels The serial number/model number label is located on the side of the engine. Figure 4. Imaging Module Serial Number Label Sa

9MOUNTING SPECIFICATIONS IS4910-00 Dimensions The IS4910-00 model has two blind holes located on the bottom of the engine. These bind holes are

10 MOUNTING SPECIFICATIONS IS4910-01 Dimensions The IS4910-01 model has two blind holes located on the bottom of the engine for use with self-tap

11MOUNTING SPECIFICATIONS IS4910-02 Dimensions The IS4910-02 model has two blind holes located on the bottom of the engine for use with self-tap

12 MOUNTING SPECIFICATIONS Decode Board Dimensions (TTL Level RS232) Figure 9. Decode Board (TTL Level RS232) Dimensions Specifications are

13MOUNTING SPECIFICATIONS USB Decode Board Dimensions Figure 10. Decode Board (USB) Dimensions Specifications are subject to change without n

14 MOUNTING SPECIFICATIONS Bracketed Module Dimensions Figure 11. IS4920 Bracketed Module Dimensions Specifications are subject to change with

15MOUNTING SPECIFICATIONS Enclosure Specifications The IS4920 imaging engine series was specifically designed for integration into custom housing

Copyright © 2007 by Metrologic Instruments, Inc. All rights reserved. No part of this work may be reproduced,

16 MOUNTING SPECIFICATIONS Output Window Properties An improperly placed window has the serious potential to reduce the imaging engine’s performanc

17MOUNTING SPECIFICATIONS Optical Clearance Specifications The window size and enclosure design must provide unobstructed clearance for the illum

18 ELECTRICAL CONSIDERATIONS In order to ensure proper operation of the IS4920’s electrical system, care must be taken to ensure the following requ

19ELECTRICAL CONSIDERATIONS Thermal Considerations The IS4920 is qualified over the specified operational temperatures (0°C to 40°C) for all oper

20 THEORY OF OPERATION General Overview The IS4920 is a small area imaging barcode scanning engine designed for integration into handheld portabl

21THEORY OF OPERATION The host interface signals are described in the table below. Pin# IS4920-xx103 (TTL RS232) IS4920-xx38 (USB) Description

22 THEORY OF OPERATION Since many host systems and applications have unique formats and protocol requirements, the IS4920, just like all other Met

23THEORY OF OPERATION The nTrig signal not only wakes the scanner up, but also immediately activates and turns the scanner into the Operating Mod

24 THEORY OF OPERATION Figure 15. VIN Removed

25THEORY OF OPERATION Descriptions of IS4920 Power Modes Boot Mode The scanner is booting up. PWRDWN Pin State: Asserted (HIGH). Transition to

iiTABLE OF CONTENTS Introduction Product Overview ... 1 M

26 THEORY OF OPERATION Idle Mode The scanner is not operating, but not sleeping and is fully powered. The CPU and image sensor are in the idle mo

27THEORY OF OPERATION Power-down Mode (TTL RS232 Decode Only) The power of the scanner is turned off. PWRDWN Pin State: Asserted (HIGH). Transi

28 THEORY OF OPERATION Suspend Mode (USB Decode Only) The scanner is in its lowest power consumption state.. PWRDWN Pin State: Asserted (HIGH).

29OPERATIONAL TIMING The following section describes the timing associated with the various operating modes of the IS4920 including Power up, Powe

30 OPERATIONAL TIMING The TTL version of the IS4920 does not have an on board microcontroller to control the power to the decode platform. As such,

31OPERATIONAL TIMING The IS4920-USB can be placed into suspend mode via the USB suspend signal in order to achieve low current consumption. When t

32 OPERATIONAL TIMING Figure 17. Decode time of received trigger signal in Idle Mode. Figure 18. Decode time of received trigger signal in Sl

33OPERATIONAL TIMING Summary of Operation Timings Operation Timing Specifications Parameter Description Typical Tprw_up Power Applied to Process

34 DEPTH OF FIELD VS BAR CODE ELEMENT Depth of Field* (In the Field of View) Bar Code Element Width Start (From Engine Face) End (From Engine Fac

35DESIGN SPECIFICATIONS IS4920 Engine Operational Light Source: Four, 650 nm Red Light Emitting Diode LED Depth of Field: 25 mm – 310 mm (1.0″

iiiTABLE OF CONTENTS Usage of Host Interface Signals ... 22 Descriptions of IS492

36 DESIGN SPECIFICATIONS IS4920 Engine Electrical Engine Input Voltage: 3.3VDC ~ 5.5VDC Typical Operating Current: 235 mA (continuous scan mo

37DESIGN SPECIFICATIONS Detailed IS4920 Electrical Specifications Absolute Maximum Ratings Signal Signal Description MIN MAX Vinput Voltage Ap

38 DESIGN SPECIFICATIONS Current Draw Signal Signal Description VIN = 3.3V VIN = 5V Continuous Scan mode Average current draw during continuous

39DESIGN SPECIFICATIONS Figure 20. Single Image Decode current waveform (from idle state) Figure 21. Continuous Image Decode current wave

40 DESIGN SPECIFICATIONS Figure 22. Power Up / Boot Up current waveform

41IMAGING ENGINE TERMINATIONS Imaging Engine Interface Connector Figure 23. Imaging Engine Interface Connector Pin Signal Name Function 1 Ai

42 IMAGING ENGINE TERMINATIONS Flex Cable Pinout – Imaging Engine Connection Figure 24.Flex Cable Pinout (Imaging Engine Connector End) Pin Signa

43IMAGING ENGINE TERMINATIONS Flex Cable Pinout – Decode Board Connection Figure 25. Flex Cable Pinout (Decode Connector End) Pin Signal Name

44 IMAGING ENGINE TERMINATIONS Decode Board (USB & TTL) Interface Connector Figure 26. Figure 27. Decode Board Interface Connector Pin Signa

45IMAGING ENGINE TERMINATIONS Decode Board (USB) Output to Host Connector Figure 28.Decode Board (USB) Output Connector Pin Signal Name Functi

1INTRODUCTION Product Overview IS4920 is a miniature area imaging decode engine with image capturing and bar code decoding capabilities. The im

46 IMAGING ENGINE TERMINATIONS Decode Board (TTL) Output to Host Connector Figure 29.Decode Board (TTL) Output Connector Pin Signal Name Functi

47FLEX CABLE SPECIFICATIONS Dimensions Figure 30. Flex Cable Dimensions, P/N 77-77104 See installation warning on page 48. Specifi

48 FLEX CABLE SPECIFICATIONS Installation Notes 1. Warning! The flex cable must be installed in the orientation shown below in Figure 31 &

49REGULATORY COMPLIANCE Safety The IS4920 Series area imaging engines are designed to meet the requirements of IEC Class 1 in accordance with I

50 REGULATORY COMPLIANCE Europe The CE Mark is required on products that incorporate the IS4920 series engine if the products are to be importe

51REGULATORY COMPLIANCE United States EMC All combinations of imaging engines and associated electronics will require testing to insure complia

52 REGULATORY COMPLIANCE EMI The IS4920 consists of a 400MHz processor running a 100MHz SDRAM bus and a camera interface capable of image transfer

53LIMITED WARRANTY The IS4920 series area imaging engines are manufactured by Metrologic at its Blackwood, New Jersey, U.S.A. facility and its Su

54 PATENTS This METROLOGIC product may be covered by, but not limited to, one or more of the following U.S. Patents: U.S. Patent No.: 7,086,595;

55INDEX A Aiming ...20, 36 Ambient Light ...20 Ambient Temperture...1

2 INTRODUCTION Models and Accessories Part Number Designation † - Imaging Engine Types: Model Mounting Option Description -00 • two bli

56 INDEX Power ...18 Power Supply ...18 R Receptacle ...20, 4

57

58 NOTES

December 2007 Printed in USA 00 - 05325A

3INTRODUCTION Components of the IS4920 Series (Non-Bracketed) Figure 1. IS4920 Components (Non-Bracketed Version) ITEM NO. DESCRIPTION 1 IS4920

4 INTRODUCTION Components of the IS4920 Series (Bracketed) Figure 2. IS4920 Components (Bracketed Version) ITEM NO. DESCRIPTION 1 IS4920 Assembl

5INTRODUCTION Components of the IS4910 (Imaging Engine) IS4910-00 IS4910-01 / IS4910-02 ITEM NO. DESCRIPTION 1 Targeting 2 Area Illumination 3