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Custom Audio Electronics MT2460 Скачать руководство пользователя страница 16

4.5 Switching characteristics of circuit

The switching characteristic summarized in the following table :

ITEM

SYMBOL

MIN.

TYP.

MAX.

UNIT

Clock frequency

fMAX

-

-

5.0

MHz

Clock pulse width

tw(T)

70

-

-

ns

Data set-up time

tsu(D)

40

-

-

ns

Data hold time

th(D)

40

-

-

ns

Latch set-up time

tsu(LA)

100

-

-

ns

Latch pulse width

tw(LA)

100

-

-

ns

Strobe set-up time

tsu(STB)

100

-

-

ns

Strobe to driver
Output delay time

tpLH
tpHL

-

-

18

μ

s

CLOCK

DATA IN

LATCH

STROBE

OUTPUT

VOLTAGE

tw(T)

tsu(D)

th(D)

tsu(LA)

tw(LA)

tpLH

tsu(STB)

tpHL

4.6 Timing chart

CLOCK

DATA IN

      VH

STROBE 3

STROBE  1,2

LATCH

0.625 ms

1 line

ts

24V

1.0 MHz

NOTES:

 The symbol “ 

──────

 “ means a negative logical signal.

4. PRINT HEAD

16  MT2460  

User Manual

Содержание MT2460

Страница 1: ...OEM MT2460 MT2460 USER MANUAL ...

Страница 2: ...the manual is used Information regarding any errors found in it or suggestions on how it could be improved are appreciated Since products are subject to continuous check and improvement CUSTOM ENGINEERING SPA reserves the right to make changes in information contained in this manual without prior notification Copyright 2002 CUSTOM ENGINEERING S p a Italy CUSTOM ENGINEERING S p A Str Berettine 2 43...

Страница 3: ... 1 5 Electrical circuit block diagrams of Paper end Head up sensor 11 4 PRINT HEAD 13 4 1 Operation precautions 13 4 2 Block diagram of the electrical circuit 14 4 3 Printing data and printing position 15 4 4 Electrical characteristics of circuit 15 4 5 Switching characteristics of circuit 16 4 6 Timing chart 16 4 7 Thermistor 17 4 7 1 Thermistore Curves 17 5 STEPPER MOTOR 19 5 1 Technical specifi...

Страница 4: ...TABLE OF CONTENTS 4 MT2460 User Manual ...

Страница 5: ... as this could cause a short circuit or damage parts that could jeopardize mechanism functioning Do not spill liquids onto the mechanism Do not carry out technical operations on the mechanism with the exception of the scheduled maintenance pro cedures specifically indicated in the user manual 1 2 General features PAPER WIDTH 60 mm RESOLUTIONS 8 dot mm 203dpi PRINTING SPEED 150 mm sec LOGIC VOLTAGE...

Страница 6: ...VOLTAGE DOTLINE HEAD 24V 5 CURRENT CONSUMPTION 32 5 mA dots R 700 Ω LIFE REABILITY 50 Km 1 x 108 pulse RECOMMENDED PAPER WEIGTH 55 g m2 RECOMMENDED PAPER KF 50HDA or equivalent HEAD VOLTAGE VH 25 2 V note between connectors SUPPLY VOLTAGE VDD 5 5 V SUBSTRATE TEMPERATURE 65 C ENVIRONMENT OPERATING TEMPERATURE RANGE 5 50 C OPERATING HUMIDITY 10 90 RH no condensation ENVIRONMENT STORAGE TEMPERATURE E...

Страница 7: ...erior view of MT2460 Motor 1 Print Head 2 Head up lever 3 Sensor Head up detection 4 Knob paper feed 5 Thermal Head connector 6 A Paper outfeed B Paper input C Paper end sensor 1 2 4 3 6 5 B C A 2 INSTALLATION AND USE User Manual MT2460 7 ...

Страница 8: ...2 INSTALLATION AND USE 8 MT2460 User Manual ...

Страница 9: ...ector Thermal head connector In the table below are described the connector specifications and functions No Connector Pin No TYPE 1 Thermal head connector 15 JST connector or equivalent Male S15B PH K S 2 Head up sensor 6 Molex connector or equivalent female housing 51021 0600 terminal 50058 8000 Paper end sensor 3 Motor connecotr 4 Molex connector female housing 51021 0400 white terminal 50058 80...

Страница 10: ...nnected 13 CLK Serial clock 14 LATCH Latch Active low signal 15 DATA IN Data input Connector type JST connector or equivalent Male S15B PH K S NOTE The symbol means a negative logical signal 3 1 2 Motor connector The connector s pin assignments is as follows No SIGNAL FUNCTION 1 MOTA Phase 1 coil 2 MOTB Phase 2 coil 3 MOTA Phase 1 coil 4 MOTB Phase 2 coil Connector type Molex connector female hous...

Страница 11: ... transistor paper 3 A LED Anode paper 4 K LED Cathode paper 5 SW1 Switch signal 1 of head up sensor output 6 SW2 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 3 C E A 1 2 4 5 6 SW1 SW2 K 3 CONNECTIONS User Manual MT2460 11 ...

Страница 12: ...3 CONNECTIONS 12 MT2460 User Manual ...

Страница 13: ...ence described 3 in note 2 shall be kept Heat elements and IC s shall be anti electrostatic in order to prevent the electrostatic destruction Do not touch 4 the connector pins with naked hands The printhead substrate surface is coated with glass and mechanical stress or shock including dust scratch dam 5 age should be avoided to prevent damage When the printhead operation is finished printsupply v...

Страница 14: ...K DATA IN 1 2 448 BIT SHIFT REGISTER LATCH 4 5 6 GND 11 9 10 TM THERMISTOR 30KΩ B 3950 8 7 VDD 3 3V STB3 STB1 STB2 DOT 320 3 LATCH REGISTER Each STB Line is pulled down within the driver IC STB No Dot No Dots STB 1 1 192 192 2 193 320 128 3 321 448 128 4 PRINT HEAD 14 MT2460 User Manual ...

Страница 15: ...ogic supply current IDD 5 6 17 5 mA VDD 3 3 V fCLK 5 MHz SI fCLK 2 Input Voltage High VIH 0 8 x VDD VDD V STB DI LAT CLK Low VIL 0 0 2 x VDD V Data input current DI High 1 IIH DI 0 5 μA VDD 3 3V VIH 5V TA 25 C Low IIL DI 0 5 μA VDD 3 3V VIL 0V STB input current STB High 1 IIH STB 1 5 μA VDD 3 3V VIH 5V TA 25 C Low IIL STB 66 μA VDD 3 3V VIL 0V Clock input current CLK High 1 IIH CLK 3 5 μA VDD 3 3V...

Страница 16: ...d time th D 40 ns Latch set up time tsu LA 100 ns Latch pulse width tw LA 100 ns Strobe set up time tsu STB 100 ns Strobe to driver Output delay time tpLH tpHL 18 μs CLOCK DATA IN LATCH STROBE OUTPUT VOLTAGE tw T tsu D th D tsu LA tw LA tpLH tsu STB tpHL 4 6 Timing chart CLOCK DATA IN VH STROBE 3 STROBE 1 2 LATCH 0 625 ms 1 line ts 24V 1 0 MHz NOTES The symbol means a negative logical signal 4 PRI...

Страница 17: ...sistance R25 30 KΩ 5 at 25 C B value 3950 K 3 Operating temperature 20 80 C Time costant Max 30 sec in the air 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 0 000 50 000 100 000 150 000 200 000 250 000 300 000 20 00 15 00 10 00 5 00 0 00 5 00 10 00 15 00 20 00 25 00 30 00 35 00 40 00 45 00 50 00 55 00 60 00 65 00 70 00...

Страница 18: ...4 PRINT HEAD 18 MT2460 User Manual ...

Страница 19: ...orque 45 gf cm MIN Insulation resistance 100 MΩ MIN 500 Vdc Insulation class Class E Dielectric strength 5 mA at 600V AC 1 0 sec Life 210 Hr min Maximum coil temperature 115 C 5 2 Excitation sequence The motor is driven in the forward direction if its excitation phases are switched as per the following steps PH2B PH1B PH1A PH2A H L H L H L H L STEP1 STEP2 STEP3 STEP4 1 dot line Excitation Voltage ...

Страница 20: ...river 1 lose voltage VCEsat 2 Please check the ratio print pause to prevent the overtemperature on stepper motor 2 If the motor is driven by more than 24 volts we suggest to use a chopper driving in order to reduce current please 3 contact CUSTOM ENGINEERING SPA for further information 5 STEPPER MOTOR 20 MT2460 User Manual ...

Страница 21: ...perature range TSTG 30 100 C 1 Note Pulse width 100 μs Repetitive frequency 100 Hz Opto electrical characteristics Ta 25 C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Input Forward voltage VF IF 10 mA 1 3 V Reverse current IR VR 5 V 10 μA Peak emission wavelength λP IF 10 mA 940 nm Output Collector dark current ICEO VCE 10 V 0 2 μA Peak sensibility wavelength λP 900 nm Light current IL VCE 5 V IF...

Страница 22: ...6 1 Graphics of typical characteristics Collector Power dissipation vs Ambient Temperature Forward Current vs Forward Voltage 6 SENSOR 22 MT2460 User Manual ...

Страница 23: ...Light Current vs Forward Current Light Current vs Collector Emitter Voltage 90 Reflective paper 6 SENSOR User Manual MT2460 23 ...

Страница 24: ...Relative light current vs Ambient temperature Dark current vs Ambient temperature 6 SENSOR 24 MT2460 User Manual ...

Страница 25: ...Switching time vs Load resistance Relative light current vs Moving distance 6 SENSOR User Manual MT2460 25 ...

Страница 26: ...6 SENSOR 26 MT2460 User Manual ...

Страница 27: ...MENSIONS 7 1 DIMENSIONS The figure illustrates the overall dimensions for the MT2460 thermal printing mechanism Dimensions in mm 85 4 13 3 5 65 38 2 25 58 3 44 25 50 20 49 7 DIMENSIONS User Manual MT2460 27 ...

Страница 28: ...7 DIMENSIONS 28 MT2460 User Manual ...

Страница 29: ......

Страница 30: ...r DOME MT2460 Rev 1 50 www custom biz 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 ...

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