Ref. No. TTD-99-1014

June, 1999

TMFXII/II-CTMFXIII/III-C

TECHNICAL DOCUMENT(ELECTRICAL)

(9906)

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FOREWORD

This technical document is revised on the basis of TTD-94-1012 “TMFX-C Technical Document” in order

to accommodate the contents for the TMFX-II/II-C and TMFX-III/III-C Series.

We hope this document will be helpful to you very much in your after-sale and other activities.

CONTENTS

TMFXII/II-C, III/III-C, General Machine Construction Page

1. Controller

1-1. Genera l functions of the Controller ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 2

1-2. Voltage check in the major inner sections ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 3

2. Power Supply / Driver Box

2-1. General functions of Power Supply / Driver Box ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 3

2-2. Voltage check in the major inner sections ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 4

3. Other Cards

3-1. General functions of other cards¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 6

3-2. Voltage check in the major inner sections ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 7

4. Block Diagrams / Connecting Diagrams

4-1. Controller - Block Diagram¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 8

4-2. Power Supply Card - Block Diagram ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 9

4-3. X/Y-axis Driver - Block Diagram ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 10

4-4. Main Shaft Driver - Block Diagram ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 11

4-5.Head Card - Block Diagram¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 12

4-6. Color Change Card - Block Diagram ¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 13

4-7. TMFXII/II-C, III/III-C - Total Connecting Diagram¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥ 14

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TMFXII/II-C, III/III-C, General Machine Construction

1.Controller

1-1. General Functions of the Controller

Controller takes charge of all the embroidery machine operations and controls of embroidery machine.

(1) Major functions of CPU Card [X-CPU]

CPU Card takes charge of all the machine controls in principle.

1) System Memory 256K byte

Data Memory 256K byte

2) I/F with Head Card and Color Change Card

3) Sensor I/F, including Rotary Encoder

4) I/F for input from UTC Sensor

5) I/F to control X/Y-axes

6) I/F to control Main Shaft Motor

7) PWM [Note*] circuit to control Jump, Color Change, Upper Thread Holding Pulse Motors

8) I/F to control Thread Trimming, Picker Solenoid

9) I/F to control Operation Panel Card, FIP [Note**], Extension Card, Floppy Disk Drive

10) PTR I/F, Communication I/F for serial I/F (RS-232C etc.)

11) Equipped with a P-ROM (IPL) for system program installation

[Note*] PWM: Pulse width modulation

A method to module pulse width, depending on the signal amplitude value (voltage, current)

[Note**] FIP: Fluorescent Indicator Panel (registered trademark of NEC)

(2) Major functions of Extension Card [FX2 ADAPTER BOARD]

Extension Card extends the capacity of Data Memory.

Data memory capacity (for extension): 512,000 stitches

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1-2. Voltage check in the major inner sections

Use a tester in principle for voltage check.

Measuring pointsVoltagevalue Application Plus side Minus side

Normalrange

Measuringrange

+5V* To control cards* To drive FDD* To drive FIP

Pin No.1 of CN2on CPU Card

Pin No. 2 of CN2CPU Card

+4.95V to +5.2V DC

+12V * To control cards Pin No.3 of CN2on CPU Card

Pin No.4 of CN2on CPU Card

+11.0V to +12.5V DC

+24V * To drive PTR Pin No.5 of CN2on CPU Card

Pin No.6 of CN2CPU Card

+25.0V to +27.0V DC

-5V * To control cards Pin No.7 of CN2on CPU Card

Pin No.2 of CN2on CPU Card

-4.75V to -5.25V DC

<Table 1> Power supply voltage for the Controller

2. Power Supply / Driver Box

2-1. General functions of Power Supply / Driver Box

Various types of power supply circuits and motor drive circuits for Main Shaft, X-axis and Y-axis

are built-in.

(1) Power Supply Card [X-PÇ vR]

Generates power supply for various sections (common for both single phase and 3 phase)

±5V, 12V, 24V, 50V, 60V

(2) Main Shaft Driver [X-DUB]

Drive circuit to control Main Shaft Motor with inverter and servo functions.

(3) X/Y-axis Driver [X-DUA]

Drive circuit for X-axis or Y-axis motor (pulse motor)

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2-2. Voltage check at the major inner sections

Use a tester in principle for voltage check.

(1) Power Supply Card

Measuring pointsVoltagevalue Application Plus side Minus side

Normalrange

Measuringrange

+5V To supply power tocontrol the cards Pin No.1 of CN1 Pin No.2 of CN1 +5.1V to

+5.2V DC

+12V To supply power tocontrol the cards Pin No.3 Pin of CN1 Pin No.4 Pin of CN1 +11.5V to

+12.5V DC

To supply CPU Cardwith power to drivePTR

Pin No. 5 of CN1 Pin No.6 Pin of CN1

+24V To supply Head andColor Change Cardswith power to drivesmall type pulse motors

Pin No.1 Pin of CN2 Pin No.4 Pin of CN2

+25.0V to +27.0V DC

+20VTo supply X/Y-axisDrivers with power tocontrol cards

Pin No.4 pin of CN3 Pin No.2 Pin of CN3 +19.0V to +21.0V DC

+24V(FXII,

III/III-C)

To supply ColorChange Cards withpower to drive ATHand Picker Solenoids

Pin No. 2 of CN2 Pin No. 4 of CN2 +25.0V to +27.0V DC

+50V(FXII-Conly)

To supply ColorChange Cards withpower to drive ATHand Picker Solenoids

Pin No.6 of CN2 Pin No. 4 of CN2 +52.0V to +58.0V DC

+60V

* To supply Head Cardsand Color ChangeCards with power forsurge absorption circuitto suppress surgevoltage, generatedwhen small type pulsemotors are operated.

* To supply ColorChange Cards withpower to drive SequinSolenoid.

Pin No.3 of CN2 Pin No.4 of CN2 +52.0V to +58.0V DC

-5V To supply power tocontrol the cards Pin No.7 of CN1 Pin No.2 of CN1 -4.75V to

-5.25V DC

AC100Vsystem

AC200Vsystem

To supply Main ShaftDriver and X/Y axisDrivers with powersupply to drive MainShaft Motor andX/Y axis Pulse Motors

Pin No.5 Pin of CN3 Pin No.6 Pin of CN3

AC90V to AC132V

AC180V to AC264V

AC

<Table 2> Power supply voltage inside Power Supply Card

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(2) X/Y-axis Driver

Measuring pointsVoltagevalue Application Plus side Minus side

Normalrange

measuringRange

+5V To control cards Pin No.6 of CN3 Pin No.7 of CN3 +5.1V to +5.2V DC

+12V To control cards Pin No.5 of CN3 Pin No.7 of CN3 +11.5V to +12.5V DC

-5V To control cards Pin No.8 of CN3 Pin No.7 of CN3 -4.75V to -5.25V DC

AC100VSystem

AC200VSystem

To drive X/Y-axispulse motors Pin No.1 of CN2 Pin No.4 of CN2

AC90V to AC132VAC180V to AC264V

AC

<Table 3> X/Y-axis Driver - power supply voltage

(2) Main Shaft Driver

Measuring pointsVoltage

value Application Plus side Minus sideNormalrange

measuringRange

+5V To control cards Pin No.6 of CN3 Pin No.7 of CN3 +5.1V to +5.2V DC

+12V To control cards Pin No. 5 of CN3 Pin No.7 of CN3 +11.5V to +12.5V DC

-5V To control cards Pin No.8 of CN3 Pin No.7 of CN3 -4.75V to -5.25V DC

AC100VSystem

AC200Vsystem

To drive Main ShaftMotor Pin No.1 of CN2 Pin No.4 of CN2

AC90V to AC132VAC180V to AC264V

AC

<Table4> Main Shaft Driver - power supply voltage

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3. Other cards

3-1. General functions of other cards

(1) Joint Card

Joint Card is a card to divide input/output signal and power supply to the Controller.

(2) Color Change Card [X-CHG]

Color Change Card is a circuit to drive needle position detection I/F, Color Change Motor (pulse

motor), Thread Trimming Solenoid, Picker Solenoid and Sequin Solenoid.

Needle position detection I/F has a circuit to convert the voltage from potentiometer [Note] into digital

signal (A/D converter) and input it as a needle position.

[Note] Potentiometer is a precision variable resistor.

(3) Head Card [X-HEAD]

Head Card is a circuit to drive Jump Pulse Motor, Thread Holding Pulse Motor and to detect thread

breakage signal I/F from Tension Base.

A signal when Thread Take-up spring contacts with Thread Breakage Detecting Contact Point is

transmitted to Tension Base Card → Head Card → CPU Card for thread breakage detection.

(4) Tension Base Card

1) Detects thread breakage with Thread Take-up Spring.

2) Has Tension Base Switch and LED.

3) LED is lit in green and red and displays thread breakage and head operation status.

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3-2. Voltage check

Use a tester in principle for voltage check.

(1) Color Change CardMeasuring pointsVoltage

value Application Plus side Minus sideNormalrange

Measuringrange

+5V* To control cards* To supply power topotentiometer

No. 1 pin of CN7 No. 2 pin of CN7 +4.85V to +5.2V DC

+24V * To drive ColorChange Motor No. 4 pin of CN7 No. 5 pin of CN7 +25.0V to

+27.0V DC

+24V(FXII, III,

III-C)

* To drive ThreadTrimming PickerSolenoid

No. 9 pin of CN7 No. 5 pin of CN7 +25.0V to +27.0V DC

+50V(FXII-Conly)

* To drive ThreadTrimming PickerSolenoid

No. 9 pin of CN7 No. 5 pin of CN7 +52.0V to +58.0V DC

+60V

*To drive Sequin Solenoid* For surge absorption circuit

No. 3 pin of CN7 No. 5 pin of CN7 +52.0V to +58.0V DC

<Table 5> Color Change Card - power supply voltage

(2) Head CardMeasuring pointsVoltage

value Application Plus side Minus sideNormalrange

Measuringrange

+5V * To control cards Pin No.8 of CN2 Pin No.5 of CN2 +4.85V to +5.2V DC

+24V

* To drive JumpMotor and ThreadHolding Motor Pin No.4 of CN7 Pin No.5 of CN7 +25.0V to

+27.0V DC

+60V * For surgeabsorption circuit Pin No.3 of CN7 Pin No.5 of CN7 +52.0V to

+58.0V DC

<Table 6> Head Card - power supply voltage

(3) Tension Base CardMeasuring pointsVoltage

value Application Plus side Minus sideNormalrange

Measuringrange

+5V* To control cards*To detect upper thread breakage

Pin No.8 of CN2 Pin No.5 of CN2 +4.85V to +5.2V DC

<Table7> Tension Base Card - power supply voltage

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4. Block Diagrams/Connecting Diagrams

4-1. Controller - Block Diagram

SRAM(512K byte)

FIP DriveCircuit

Designdataarea

ExtensionCard

MP228-1A

PTR

RS232C

RS485A

ControlCircuit

Switch CardMP142-2

Controller

I/F

SRAM(512K byte)

PROM(128K byte)

FDC FDD

CPU(V53)I/F

I/FSRAM

(128K byte)SRAM

(128K byte)

SRAM(128K byte)

SRAM(128K byte)

Small typemotor

PWN circuit

UTC Sensorinput I/F

CN1

CN6

CN7

CN2 CN3 CN5

CN4 CN1

IPL for systemprogram installation

ColorChange Card

MP140-1Head CardMP139-1D

Working area+

System area

Designdataarea

CN1

X/Y-axis Driver

Main Shaft Driver

Power Supply Card

Main Shaft Encoder

Start/Stop SW

Cap Framesensor

UTCController

Joint CardMP143-2

CN9

CN8

CN20

CN5 CN1~3

CN12 CN15 CN18

CN2

CN3

CN16

CN1 Power Supply/Driver Box

FIP(Indicator)

Frame LimitSW

(FXIII, III-C)

CN14

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4-2. POWER SUPPLY CARD - LOCK DIAGRAM

MainSwitch

NoiseFilter

POWER SUPPLY CARD MP138-3-C

SurgeAbsorber

RectifierCircuit

AC100V - 120VAC200V - 240V

CN4

SwitchingCircuit

Transformer

CN3

CN2

NoiseFilter

Main Shaft Driver X/Y-axis Driver Color ChangeCard Head Card

CN3

CN2 CN7 CN7

CN2

Small MotorNoise AbsorptionCircuit

Voltage Regulator Circuit

Voltage Regulator Circuit

CN1

CN16

Joint Card

AC100V -120VAC200V –240V

9

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CPUCard

Joint Card

CN9

CN4

CN1orCN2 CN3

VR3 Rotary��SW1

Electric CommandCircuit(To convert sine wave PWMsignal from 0 to 5V singlevoltage to 2.5V to -2.5Vdouble voltage)

INH

Low pathfilter

PowerSupply Card

Trianglewave

generationcircuit

Gain adjustmentcircuit

(To fit sinewave widthwith that oftriangle wave)

PWMcircuit

Electric current detectioncircuit

(To compare currentcommand value withactual voltage value)

(Electric current feedback)

Amplifiercircuit

CN1

φφφφA

φφφφA

φφφφB �φφφφB

X/Y-axis Motor

Clamp Filter

(Sine wavePWM fromCPU)

Sine wave PWM, converted todouble-sided voltage tofacilitate subsequent control ofOP Amplifier

(Preparation to smooth sine wavePWM from CPUAnd to suppress noise generationfrom the motor)

(Smooth sine wave PWM todrive X/Y-axis pulse motors

INH

CN3

CN2

Monitor Circuit(To monitor alarmsignal of ON/OFFsurge currentdetection circuit formotor excitation)

Excitation SW Monitor LED

Surge current detection circuit

(Command signal to remove currentfrom current command circuit orsubsequent ones in response tothe motor-free status due toexcitation SW or alarm signal fromsurge current detection circuit.

Automaticvoltageswitchcircuit

Double sidedcircuit

X/Y-axis Driver

When primaryvoltage is AC100Vsystem.

(AC100V- 120V)

When primaryvoltage is AC200VSystem.

To facilitatesubsequentOP amplifiercontrol.

10

4-3. X/Y-axis Drivers - Block Diagram

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4-4. Main Shaft Driver - Block Diagram

CPU Card

CN9 CN4

Joint Card

CN3

CN3

VR3 Rotary SW1

INH

PWMcircuit Amplifier

circuit

Main Shaft MotorCN1

INH

Main Shaft DriverCN3

CN211

Electric CommandCircuit(To convert sine wave PWMsignal from 0 to 5V singlevoltage to 2.5V to -2.5Vdouble voltage)

To facilitatesubsequentOP amplifiercontrol.

Low pathfilter

Trianglewave

generationcircuit

Electric current detectioncircuit

(To compare currentcommand value with actualvoltage value)

(Electric current feedback)

(To fit sinewave widthwith that oftriangle wave)

Gain adjustmentcircuit

Clamp filter

(Sine wave PWMfrom CPU)

Monitor Circuit(To monitor alarmsignal of ON/OFFsurge currentdetection circuit formotor excitation) (Command signal to remove current

from current command circuit orsubsequent ones in response tothe motor-free status due toexcitation SW or alarm signal fromsurge current detection circuit.Excitation SW Monitor LED When primary

voltage is AC200Vsystem.

Double sidedcircuit

(AC100V- 120V)

When primaryvoltage is AC100Vsystem.

Automaticvoltageswitchcircuit

PowerSupply Card

Surge current detection circuit

(Smooth sine wave PWM todrive X/Y-axis pulse motors)

(Preparation to smooth sine wave PWM from CPUAnd to suppress noise generation from the motor)

Sine wave PWM,converted to double-sided voltage tofacilitate subsequentcontrol of OP Amplifier

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4-5. Head Card - Block Diagram

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4-7. TMFXII/II-C, III/III-C, - Total Connecting Diagram

Sequin solenoid(R)

Thread TrimmingSolenoid

Picker Solenoid

Jump Motor

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