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Custom Audio Electronics MT2460 User Manual

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MT2460
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Summary of Contents for Custom Audio Electronics MT2460

  • Page 1 USER MANUAL MT2460 MT2460...
  • Page 2 All rights reserved. Total or partial reproduction of this manual in whatever form, whether by printed or elec- tronic means, is forbidden. While guaranteeing that the information contained in it has been carefully checked, CUSTOM ENGINEERING SPA and other entities utilized in the realization of this manual bear no responsibility for how the manual is used.

  • Page 3: Table Of Contents

    1.2 General features ............................... 5 1.3 Print head specifi cations ..........................5 2 INSTALLATION AND USE ............................7 2.1 Front exterior view of MT2460 .......................... 7 3 CONNECTIONS ............................... 9 3.1 Connections terminals ............................9 3.1.1 Thermal head connector ..........................10 3.1.2 Motor connector ............................
  • Page 4 TABLE OF CONTENTS 4 MT2460 User Manual...

  • Page 5: Introduction

    PAPER FEED METHOD Friction feed, 1 dot line/1 pulses, bipolar 2-2 phase excitation HEAD TEMPERATURE SENSOR Thermistor PAPER DETECTION Refl ective type photosensor MAXIMUM NUMBER OF DOTS ACTIVATED AT A TIME DOT RESISTANCE (RAV) 700 Ω MT2460 5 User Manual...
  • Page 6 = 25,2 V (note between connectors) SUPPLY VOLTAGE = 5,5 V SUBSTRATE TEMPERATURE 65 °C ENVIRONMENT OPERATING TEMPERATURE RANGE 5 ÷ 50°C OPERATING HUMIDITY 10 ÷ 90 % RH no condensation ENVIRONMENT STORAGE TEMPERATURE (EXCEPT PAPER) -40 ÷ 80 °C 6 MT2460 User Manual...

  • Page 7: Installation And Use

    2. INSTALLATION AND USE 2 INSTALLATION AND USE 2.1 Front exterior view of MT2460 Motor Print Head Head up lever Sensor Head up detection Knob paper feed Thermal Head connector Paper outfeed Paper input C- Paper end sensor MT2460 7...
  • Page 8 2. INSTALLATION AND USE 8 MT2460 User Manual...

  • Page 9: Connections

    Connector Pin No. TYPE JST connector (or equivalent) Thermal head connector Male S15B-PH-K-S Head-up sensor Molex connector (or equivalent) female housing 51021-0600 Paper end sensor terminal 50058-8000 Molex connector Motor connecotr female housing 51021-0400(white) terminal 50058-8000 MT2460 9 User Manual...

  • Page 10: Thermal Head Connector

    Phase 1 coil MOTB+ Phase 2 coil MOTA- Phase 1 coil MOTB- Phase 2 coil Connector type: Molex connector female housing 51021-0400 terminal 50058-8000 3.1.3 Electrical circuit block diagrams of motor MOTA+ MOTA- MOTB+ Motor MOTB- 10 MT2460 User Manual...

  • Page 11: Paper-End/Head-Up Sensor Connector

    LED Anode paper LED Cathode paper Switch signal 1 of head-up sensor output Switch signal 2 of head-up sensor output Connector type: Molex connector female housing 51021-0600 terminal 50058-8000 3.1.5 Electrical circuit block diagrams of Paper-end/Head-up sensor MT2460 11 User Manual...
  • Page 12 3. CONNECTIONS 12 MT2460 User Manual...

  • Page 13: Print Head

    4 PRINT HEAD MT2460 has a thickfi lm thermal printhead. Scanning Line Time (SLT) is the time to print one complete line using all strobes available. The relation between the printhead supply voltage and “On Time” (Ton) is as follows:...

  • Page 14: Block Diagram Of The Electrical Circuit

    VDD (+3.3V) STB3 STB2 STB1 LATCH REGISTER LATCH DATA IN 448 BIT SHIFT REGISTER CLOCK Each STB Line is pulled-down within the driver IC STB No. Dot No. Dots/STB 1 ~ 192 193~ 320 321 ~ 448 14 MT2460 User Manual...

  • Page 15: Printing Data And Printing Position

    μA VIL = 0V VDD = 3.3V High μA Latch input current VIH = 5V (LAT) VDD = 3.3V -3.5 μA VIL = 0V Note: Each strobe includes pull-up resistance of 300KΩ ± 50% per IC. MT2460 15 User Manual...

  • Page 16: Switching Characteristics Of Circuit

    LATCH tsu(LA) tsu(STB) STROBE tpHL tpLH OUTPUT VOLTAGE 4.6 Timing chart 1.0 MHz CLOCK DATA IN LATCH STROBE 1,2 STROBE 3 0.625 ms 1 line NOTES: The symbol “ ────── “ means a negative logical signal. 16 MT2460 User Manual...

  • Page 17: Thermistor

    Then the resistance value, R, versus temperature, T (in °C) is given by the formula: R(T) = R25 × e { B × (1/TX – 1/T25) } 4.7.1 Thermistore Curves 300,000 250,000 200,000 150,000 100,000 50,000 0,000 Temperature (°C) ° MT2460 17 User Manual...
  • Page 18 4. PRINT HEAD 18 MT2460 User Manual...

  • Page 19: Stepper Motor

    The motor is driven in the forward direction if its excitation phases are switched as per the following steps: 1 dot line SIGNAL SEQUENCE STEP1 STEP2 STEP3 STEP4 PH2B PH1B PH1A PH2A Step1 (PH2B) High High Step2 High High Step3 High High (PH1B) Step4 High High (PH1A) (PH2A) Excitation Voltage Waveforms MT2460 19 User Manual...

  • Page 20: Precaution

    Please check the ratio print/pause to prevent the overtemperature on stepper motor. If the motor is driven by more than 24 volts we suggest to use a chopper driving, in order to reduce current, please contact CUSTOM ENGINEERING SPA for further information. 20 MT2460 User Manual...

  • Page 21: Sensor

    Light current = 5 V, = 10 mA μA Leakage current = 5 V, IF = 10 mA μA LEAK Rise time μs Switching = 2 V, = 0.1 mA speeds = 1 KΩ Fall time μs MT2460 21 User Manual...

  • Page 22: Graphics Of Typical Characteristics

    6. SENSOR 6.1 Graphics of typical characteristics Collector Power dissipation vs. Ambient Temperature Forward Current vs. Forward Voltage 22 MT2460 User Manual...
  • Page 23 6. SENSOR Light Current vs. Forward Current Light Current vs. Collector-Emitter Voltage 90% Reflective paper MT2460 23 User Manual...
  • Page 24 6. SENSOR Relative light current vs Ambient temperature Dark current vs Ambient temperature 24 MT2460 User Manual...
  • Page 25 6. SENSOR Switching time vs Load resistance Relative light current vs Moving distance MT2460 25 User Manual...
  • Page 26 6. SENSOR 26 MT2460 User Manual...

  • Page 27: Dimensions

    7. DIMENSIONS 7 DIMENSIONS 7.1 DIMENSIONS The fi gure illustrates the overall dimensions for the MT2460 thermal printing mechanism. (Dimensions in mm) 58,3 13,3 5,65 85,4 MT2460 27 User Manual...
  • Page 28 7. DIMENSIONS 28 MT2460 User Manual...
  • Page 30 CUSTOM ENGINEERING SPA World Headquarters Via Berettine, 2 - 43010 Fontevivo, Parma ITALY Tel. +39 0521 680111 - Fax +39 0521 610701 info@custom.biz - www.custom.biz All rigths reserved www.custom.biz...

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