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RTscan RT203 Integration Manual

Oem embedded 2d barcode scan engine
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Integration Guide
RT203
OEM Embedded 2D Barcode Scan Engine
Integration Guide

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Summary of Contents for RTscan RT203

  • Page 1 Integration Guide RT203 OEM Embedded 2D Barcode Scan Engine Integration Guide...

  • Page 2: Table Of Contents

    Integration Guide Table of Contents I. Introduction ....................................3 Product Overview ..................................3 Aimer ....................................3 Illumination ..................................3 II. Installation ....................................4 General Requirements ................................4 ESD ....................................4 Dust and Dirt ..................................4 Ambient Environment............................... 4 Optics ......................................5 Mounting ....................................

  • Page 3: Introduction

    Aimer The RT203 has a view finder that projects an aiming beam to help the user to position the target barcode within the engine’s field of view to increase scan efficiency. The aimer can be programmed On or Off. It is advisable to turn it on when scanning barcodes.

  • Page 4: Installation

    II. Installation General Requirements ESD protection has been taken into account when designing the RT203 and the engine is shipped in ESD safe packaging. Always exercise care when handling the engine outside its package. Be sure grounding wrist straps and properly grounded work areas are used.

  • Page 5: Optics

    Integration Guide Installation Orientation The following figure illustrates a front view of the RT203 after installation. Optics Window Placement The window should be positioned properly to let the illumination and aiming beams pass through as much as possible and no reflections back into the engine (reflections can degrade the reading performance).
  • Page 6 1%. Whether to use an anti-reflection coating or not depends on the material and application needs. Scratch Resistance and Coating Scratch on the window can greatly reduce the performance of the RT203. It is suggested to use abrasion resistant window material or coating.
  • Page 7 Eye Safety The RT203 has LEDs what create the aiming and illumination beams. These LEDs are bright, but testing has been done to demonstrate that the engine is safe for its intended application under normal usage conditions. However, the user should avoid looking into the beam.

  • Page 8: Mounting

    RT203 Engine includes two components: motherboard and Engine camera board assembly. The two components are connected with a FPC cable which length is 50mm. The illustrations below show the mechanical mounting dimensions for the RT203. The structural design should leave some space between components and provide sufficient space for flat flexible cable.

  • Page 9: Electrical Specifications

    III. Electrical Specifications Power Supply Do not power up the RT203 until it is properly connected. Be sure the power is cut off before connecting a flexible cable to or disconnecting a flexible cable from the host interface connector. This could damage the engine.

  • Page 10: Dc Characteristics

    Integration Guide DC Characteristics Operating Voltage Ta=25℃ Parameter Minimum Typical Maximum Unit -0.5 -0.3...

  • Page 11: Interface

    LED2 Input Decode LED2 output. For the information of LED driver circuit, see the “Control Interfaces” section. TRIG Input Trigger signal input: Driving this pin low for at least 10ms causes the RT203 to start a scan and decode session.

  • Page 12: Host Interface Connector

    Host Interface Connector The RT203’s host interface connector is a 12-pin N O N E ZIF socket which can be used to connect a host device (e.g., RT203 software development board EVK) with a flat flexible cable. The following figures show the position and dimensions of the socket.

  • Page 13: Flat Flexible Cable

    Integration Guide Flat Flexible Cable A 12-pin flat flexible cable can be used to connect the RT203 to OEM equipment or to the RT203 EVK. The cable design must be consistent with the following specifications shown below. Use reinforcement material for the connectors on the cable and reduce cable impedance for reliable connection and stable performance.

  • Page 14: Communication Interfaces

    Driving the TRIG pin (PIN 12) on the host interface connector low for a specified time period causes the RT203 to start a scan and decode session. The time period varies from one scan mode to another. Anti- shake mechanism is used in level trigger mode. Trigger is activated in this mode if the signal from the TRIG pin remains low for at least 10ms.

  • Page 15: Beeper

    Integration Guide Beeper The RT203 provides a pin (BUZ, PIN 9) on the host interface connector that provides a PWM output to an external driver circuit for generating audible feedback to the user to indicate statuses like power up, good decode or operation mistake.

  • Page 16: Decode Led

    Decode LED The RT203 provides a pin (LED, PIN 10) on the host interface connector that can be used by an external driver circuit to drive an LED to indicate a Good Decode status. When a good decode occurs, the signal from the LED pin turns from a low level into alternation of high and low levels and then back into a low level.

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