Metrologic IS4921 Spécifications Page 1

IS4920 / IS4921 Area Imaging Decode Engine Integration Guide

4 Components of the IS4910 / IS4911 Non-Decode Engine Item No. Description Item Location 1 Targeting Figure 4. IS4910-00 / IS4911-00 Figure

5 Components of the Decode Printed Circuit Board TTL Level RS232 See page 10 for printed circuit board dimensions and connector information. See

6 Mounting Specifications IS4910-00 and IS4911-00 Non-Decode Engine Dimensions The -00 models include two Ø .075" [1.9 mm] blind holes for m

7 IS4910-01 / IS4911-01 Non-Decode Engine Dimensions The -01 models include two Ø .075" [1.9 mm] blind holes for mounting the engine with self-

8 IS4910-02 / IS4911-02 Non-Decode Engine Dimensions The -02 models include two Ø .075" [1.9 mm] blind holes for mounting the engine with self-

9 Figure 10. IS4910-02 / IS4911-02 Dimensions

10 Decode Printed Circuit Board Dimensions Both the TTL Level RS232 decode board and the USB decode board have two Ø 0.098" [2.489 mm] clearan

11 IS4920-2 / IS4921-2 Bracketed Decode Engine Dimensions The bracketed decode engine includes two Ø 0.097" [2.464 mm] blind holes for mountin

12 Enclosure Specifications The imaging engine was specifically designed for integration into custom housings for OEM applications. The imaging eng

13 Output Window Properties An improperly placed window has a serious potential to reduce the imaging engine’s performance. Careful consideration

Disclaimer Honeywell International Inc. (“HII”) reserves the right to make changes in specifications and other information contained in this documen

14 Optical Clearance Specifications The window size and enclosure design must provide unobstructed clearance for the illumination and targeting are

15 System Considerations In order to ensure proper operation of the decode engine’s electrical system; care must be taken to ensure the following re

16 Theory of Operation Overview The IS4920 decode imaging engine series is ideal for integration into data terminals and other small devices. The

17 Host Interface Signals The host interface signals are described in the table below. Pin# TTL RS232 USB Description 1 232INV NC Input: T

18 Since many host systems and applications have unique formats and protocol requirements, the decode engine supports a wide range of configurable f

19 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

20 Power Mode Descriptions Boot Mode The engine is booting up. PWRDWN Pin State: Asserted (HIGH). All bar code scanning by: Trigger: Not Working R

21 Configuration Mode 1 The engine is in configuration mode or updating firmware. PWRDWN Pin State: De-asserted (LOW). All bar code scanning by: Tri

22 Configuration Mode 2 The engine is in serial programming mode. PWRDWN Pin State: De-asserted (LOW). Non-programming bar code scanning by: Trigger

23 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 whi

iii Table of Contents Introduction Product Overview ...

24 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 Sle

25 Suspend Mode (USB Only) The engine is in its lowest power consumption state. PWRDWN Pin State: Asserted (HIGH). Non-programming bar code scanning

26 Serial Configuration The IS4920 series can be configured by scanning configuration bar codes† or by serial commands sent from the host device.

27 Example 2: The following sample illustrates the serial command sequence for configuring the engine for the factory default settings, disabling

28 Operational Timing The following section describes the timing associated with the various operating modes of the decode engine assembly including

29 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

30 Notes: In Figure 21 , the nGoodRead, nBeeper, and PWRDWN signals are high while in the Power Down Mode. The RTS Signal will be high in Power Do

31 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

32 Summary of Operation Timings Operation Timing Specifications Parameter Description Typical Relevant Note(s) Tprw_up Power Applied to Processor

33 Depth of Field vs. Bar Code Element IS4920 Bar Code Element Width Depth of Field* (In the Field of View) Start (From Engine Face) End (From Engi

iv Theory of Operation Overview ...

34 IS4921 Bar Code Element Width Depth of Field* in the Field of View Start (From Engine Face) End (From Engine Face) Total 1D .076 mm 3 mil 68 mm

35 Exposure Time for Image Acquisition By default, the maximum exposure time for image acquisition is 8 ms. Reducing the exposure time for image a

36 Design Specifications Operational Light Source: Four, 650 nm Red Light Emitting Diode LED Depth of Field: IS4920 25 mm – 310 mm (1.0" to

37 Mechanical Dimensions: See pages 6 - 8 for detailed specifications. Weight: < 14 g (.494 oz.) Termination: 12-Pin, Molex FFC/FPC Connector (

38 Electrical Engine Input Voltage: 3.3VDC ~ 5.5VDC Typical Operating Current: 235 mA (continuous scan mode, VIN=3.3V) USB TTL Peak Operating C

39 DC Operating Voltages Signal Signal Description MIN MAX Condition VIN Operating Voltage 3V 5.5V VIH(1) Input High (RX, CTS) 2.5V

40 Current Waveforms Figure 29 - Figure 31 show typical current signature for the decode engine (USB version) in various operating modes. Note: T

41 Figure 31. Power Up / Boot Up Current Waveform

42 Imaging Engine and Decode PCB Terminations Imaging Engine Interface Connector Figure 32. Imaging Engine Interface Connector Pin Signal Name

43 Decode Board (USB & TTL) Interface Connector Figure 33. Decode Board Interface Connector Pin Signal Name Function 1 GND Power and Signal

v Regulatory Compliance Safety ...

44 Decode Board (USB) Output to Host Connector Figure 34. Decode Board (USB) Output Connector Pin Signal Name Function 1 N/C No Connection 2

45 Decode Board (TTL) Output to Host Connector Figure 35. Decode Board (TTL) Output Connector Pin Signal Name Function 1 232INV Input: TTL RS2

46 Flex Cable Specifications Flex Cable Pinout – Imaging Engine Connection Figure 36. Flex Cable Pinout (Imaging Engine Connector End) Pin Signal

47 Flex Cable Pinout – Decode Board Connection Figure 37. Flex Cable Pinout (Decode Connector End) Pin Signal Name Function 1 GND Power and Si

48 Dimensions Figure 38. Flex Cable Dimensions, P/N 77-77101 See installation warning on page 49.

49 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 inc

50 Regulatory Compliance Safety The IS4920 Series area imaging engines are designed to meet the requirements of IEC Class 1 in accordance with IE

51 United States EMC All combinations of imaging engines and associated electronics will require testing to insure compliance with the following Fe

52 Limited Warranty Honeywell International Inc. ("HII") warrants its products and optional accessories to be free from defects in materi

53 Patents For patent information, please refer to www.honeywellaidc.com/patents.

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54 Index A Aiming ... 16, 34 Ambient Light ...

55 R Receptacle ... 16, 44, 45 Regulatory Compliance ... 46, 47 Resolution

56 Customer Support Technical Assistance If you need assistance installing or troubleshooting your device, please call your distributor or the nea

57 Product Service and Repair Honeywell International Inc. provides service for all its products through service centers throughout the world. To

Honeywell Scanning & Mobility 9680 Old Bailes Road Fort Mill, SC 29707 www.honeywellaidc.com 0

1 Introduction Product Overview The IS4920 is a miniature area-imaging engine and decode board with image capturing and bar code decoding capabilit

2 Models and Accessories Figure 1. Part Number Designations

3 Components of the IS4920 / IS4921 Decode Engine IS4920-0 / IS4921-0 (Bracket Not Included) Item No. Description Item Location 1 IS4920-0 / IS49