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Custom Audio Electronics MT2480 User Manual

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USER MANUAL
MT2480

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Summary of Contents for Custom Audio Electronics MT2480

  • Page 1 USER MANUAL MT2480...
  • Page 3 CUSTOM S .p .A . GENERAL SAFETY INFORMATION THE CE MARK AFFIXED TO THE PRODUCT CERTIFY THAT THE Via Berettine 2/B Your attention is drawn to the following actions PRODUCT SATISFIES THE BA- that could compromise the characteristics of the 43010 Fontevivo (PARMA) - Italy SIC SAFETY REQUIREMENTS .

  • Page 5: Table Of Contents

    TABLE OF CONTENTS 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2 DESCRIPTION .

  • Page 7: Introduction

    1 INTRODUCTION This document is divided into sections and chapters . Each chapter can be reached by the index at the beginning of this document . The index can be reached by the button on each page as shown in the diagram below . Link to table of contents Notes reference Numbered title...

  • Page 9: Description

    2 DESCRIPTION 2.1 External view 1 . Motor 2 . Printhead 3 . Head up lever 4 . Platen roller 5 . Sensor for head up 6 . Platen roller manual feed 7 . Printhead connector 8 . Paper presence sensor 9 .

  • Page 10: Product Label

    2.2 Product label PC = Product code (14 digits) SN = Serial number HW = Hardware release XXXXXXXXXXXXXX 0000000000000000000...

  • Page 11: Installation

    3 INSTALLATION The mechanism is provided with four fixing holes (see following figure). To fasten the device on a panel, use four M2.5 screws. +0 . 1 85 .1 -0 . 1 +0 . 1 48 .1 -0 . 1 +0 . 1 2 .8 -0 . 1 +0 . 1 -0 . 1 It’s very important to fasten the mechanism vertically . Furthermore, the panel must provide openings for the paper input and the mechanism motor that respects the measures (in millimeters) shown below: +0 .

  • Page 13: Connections

    4 CONNECTIONS 4.1 Connections terminals The mechanism has three interface connectors (see following figure), that includes the thermal head connector, motor  connector and paper control connector . Motor connector Paper control connector Thermal head connector...

  • Page 14: Thermal Head Connector

    4.2 Thermal head connector Connector type: JST connector (or equivalent) male S15B-PH-K-S The connector’s pin assignments is as follows: THERMAL HEAD CONNECTOR No . SIGNAL FUNCTION Vset Head power supply Vset Head power supply Vset Head power supply Ground Ground Ground Logic power supply Thermistor...

  • Page 15: Motor Connector

    4.3 Motor connector Connector type: Molex connector female housing 51021-0400(white) terminal 50058-8000 The connector’s pin assignments is as follows: MOTOR CONNECTOR No . SIGNAL FUNCTION MOT1A Phase A coil MOT1B Phase B coil MOT2A Phase A coil MOT2B Phase B coil Electrical circuit block diagrams of motor MOT1A MOT2A...

  • Page 16: Mechanism Sensor Connector

    4.4 Mechanism sensor connector Connector type: Molex connector (or equivalent) female housing 51021-0600 terminal 50058-8000 The connector’s pin assignments is as follows: MECHANISM SENSOR CONNECTOR No . SIGNAL FUNCTION Collector photo transistor paper Emitter photo transistor paper LED Anode paper LED Cathode paper Switch signal 1 of head-up sensor output Switch signal 2 of head-up sensor output...

  • Page 17: Printhead

    5 PRINTHEAD MT2480 has a thickfilm 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: Vset x Rave Po = Io x Rave = Ton = (Ndot x Rcom Rave + Ric) SYMBOL PARAMETER VALUE UNIT...

  • Page 18: Printing Data And Printing Position

    5.2 Printing data and printing position Print data of 640-bit length (1 to 640), transferred by DATA IN(DI), are printed in the arrangement as shown in the follow- ing figure : Paper feeding direction Printing paper Printing surface Printing data DATA IN 1 2 3 4 .

  • Page 19: Electrical Characteristics Of Circuit

    5.3 Electrical characteristics of circuit VDD = 5.0 V ± 5%, T = 25°C ITEM SYMBOL UNIT CONDITIONS Average resistance value Rave Ω Standard printing conditions Ouput supply voltage Vset 26 .4 Supply voltage 4 .75 5 .00 5 .25 Supply current ALL-HIGH High level input voltage...
  • Page 20 VDD = 3.3 V ± 10%, T = 25°C ITEM SYMBOL UNIT CONDITIONS Average resistance value Rave Ω Standard printing conditions Ouput supply voltage Vset 26 .4 Supply voltage 3 .00 3 .3 3 .6 Supply current ALL-HIGH High level input voltage 0 .8 x VDD Low level input voltage 0 .2 x VDD...
  • Page 21 Fig. 5.3.1 Switching sequence of Vset and Vdd turn on turn off Vset Vdd ( STROBE Fig. 5.3.2 Timing chart 1/t3 CLOCK LATCH High: Hold Low: Through STROBE NOTES: Vset has to turn on after Vdd becomes effective . (STROBE signal keep to non-active) . Vdd has to keep effective on turning off Vset .

  • Page 22: Thermistor

    5.4 Thermistor The thermistor is very important to adjust the strobe time (Tstrobe) ~ (SLT) in function of the head temperature and to moni- tor the temperature to prevent the head damage if the substrate temperature is over the limit of 70 °C . •...

  • Page 23: Operation Precautions

    5.5 Operation precautions 1 . In order to avoid abnormal overheating of print head, please be sure the temperature at substrate does not surpass the maximum rating value (thermister detection temperature) in the specific during usage. 2 . In order to avoid damage at heat element, power on/off sequence must be in the following order . - Turn on : First turn the logic voltage (Vdd) on, and then turn the print head supply voltage (Vset) on .

  • Page 25: Stepper Motor

    6 STEPPER MOTOR 6.1 Excitation sequence Full-Step 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 MOT1A MOT2A MOT1B MOT2B Step1 High High (MOT1A)

  • Page 27: Sensor

    7 SENSOR Maximum ratings (Ta = 25 °C) PARAMETER SYMBOL RATING UNIT Power dissipation Reverse voltage Input Forward current Pulse forward current Collector power dissipation Collector current Output Collector-emitter voltage Emitter-collector voltage Operating temperature range -25 ~ 85 °C Storage temperature range -30 ~ 100 °C NOTE: (1) Pulse width ≤ 100 μs, period T = 10 ms...

  • Page 28: Graphics Of Typical Characteristics

    7.1 Graphics of typical characteristics Input/Output power dissipation vs. Ambient temperature (mW) ℃ Ambient temperature (Ta) Forward current vs. Forward voltage Forward voltage (V...
  • Page 29 Collector current vs. Forward current Ta=25°C Forward current (I Collector current vs. Collector-Emitter voltage 90% Reflective paper Collector-Emitter Voltage (V...
  • Page 30 Relative collector current vs Ambient temperature (mA) (°C) Ambient temperature (T Dark current vs Ambient temperature Ambient temperature (T...
  • Page 31 Switching time vs Load resistance Road resistance (R Relative collector current vs Moving distance = 20mA = 20mA = 5V = 5V Ta = 25°C Ta = 25°C Moving distance : d...

  • Page 33: Specifications

    8 SPECIFICATIONS 8.1 Hardware specifications PRINTHEAD Paper presence sensor, head up detection, Sensors temperature thermistor 30 kΩ Resolution 203 dpi (8 dot/mm) Printing speed max 130 mm/s Logic voltage 3 .3 V, 5 V Printing method Thermal line dot method Effective printing width 80 mm Head configuration 640 dots/line...
  • Page 34 Head life 50 km Pulse durability 1 x 10  pulses (12.5% duty cycle) Abrasion resistance 100 km (with recommended paper) Substrate maximum temperature 70 °C Autoloading capability Compact layout High torque paper-pulling motor PAPER Paper width 80 mm Paper feed method Friction feed, 1 dot line/1 pulses, bipolar 2-2 phase excitation Paper detection Reflective type photosensor Recommended paper weight...
  • Page 35 Insulation class Class E Dielectric strength 3 mA (at 600 Vac 1 .0 s) Temperature rise 45 °C max . (800 pps Full-Step) Life 3000 hours min . ENVIRONMENTAL CONDITIONS Operating temperature from -30 °C to 70 °C Relative humidity from 10% Rh to 90% Rh (w/o condensation) Storage temperature from -40 °C to +80 °C...

  • Page 36: Device Dimensions

    8.2 Device dimensions Length 110 mm Height 23 .1 mm Width 58 mm Weight 136 g NOTE: All the dimensions shown in following figures are in millimetres. 23 .1 51 .5 3 .8 49 .4 3 .8 58 .5 Paper IN 5 .8 SECTION 50°...

  • Page 37: Consumables

    9 CONSUMABLES The following table shows the list of available consumables for devices: DESCRIPTION CODE 67300000000398 THERMAL PAPER ROLL width = 80mm Ø external = 80mm Ø core = 13mm...

  • Page 39: Accessories

    10 ACCESSORIES The following table shows the list of available accessories for device: DESCRIPTION CODE 41000000039800 CPU BOARD MT2480 RS232 USB 3 .3V (for details refer to the manual with code 76200000007400) 26400000000315 MECHANISM HEAD CABLE Length = 160 mm...

  • Page 41: Technical Service

    11 TECHNICAL SERVICE In case of failure, contact the Technical Service by sending an e-mail to support@custom .it detailing: 1 . Product code 2 . Serial number 3 . Hardware release To get the necessary data, proceed as follows: XXXXXXXXXXXXXX Customer Service Department: support@custom.it (worldwide)
  • Page 44 CUSTOM S.p.A. World Headquarters Via Berettine, 2/B - 43010 Fontevivo, Parma ITALY Tel. +39 0521 680111 - Fax +39 0521 610701 info@custom.biz - www.custom.biz All rights reserved www.custom.biz...

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