Centron Technologies MS930A Bedienungsanleitung

SERVICE MANUAL

SEGMENTATION SYSTEM

Model

MS930A, MS930E

MS940A, MS940E

MS950A, MS950E

MS960A, MS960E

MS970A, MS970E

Centron Technologies Corporation

SERVICE MANUAL

SEGMENTATION SYSTEM

Model

MS930A, MS930E

MS940A, MS940E

MS950A, MS950E

MS960A, MS960E

MS970A, MS970E

No. CAT.MS950SM1.1Ee

ISSUE 2

DEC. 2005

Centron Technologies Corporation

319-25 Sadang-4-dong, Dongjak-ku

Seoul 156-823 KOREA

Tel.

+82-2-522-7807

Fax. +82-2-522-7806

Website: www.centrons.com

Important Notes

* WARNING *

Do not open the covers. Risk of electric shock exists.

Warranty may be voided if the covers are opened.

* WARNING *

Do not operate this machine in close proximity to any person

with a pacemaker or to any sensitive electronic apparatus.

The recommended minimum safety distance is 12 feet (3.6 m).

1. Safety notices:

This machine generates high-level power of 40.68 MHz radio-frequency (RF).

Users are requested to be cautious of potential electric shock or hazard.

•Do not operate the machine without the protectors on the sealing heads.

•Do not insert fingers into a sealing head.

•Always turn the power switch off before cleaning the machine.

•Only authorized and trained personnel should remove covers.

2. Installation:

Nominal AC mains voltage of the models MS930A-970A is 100-120 volts 50/60Hz,

and operational voltage range is 90-132 volts.

Nominal AC mains voltage of the models MS930E-970E is 200-240 volts 50/60Hz,

and operational voltage range is 180-264 volts.

3. Cleaning:

(1) Always keep the sealing head area clean and dry. If the sealing heads become

wet or dirty, arcs may appear during sealing. If an arc appears, clean the sealing

heads and let them dry thoroughly.

(2) Use a soft cloth and mild detergent to clean the machine. After cleaning, wait a

few minutes until the area cleaned is completely dried. Do not use paint thinner,

benzene, solvent or any strong detergent.

(3) Avoid using or leaving the machine in a location where temperature is higher than

50 °C (122 °F). Keep it away from any heating source or direct sunlight.

Contents

page

ImportantNote i

Contents ii

List of Figures iii

1. Introduction 1-1

1-1. General 1-1

1-2. Feature 1-3

1-3. Specification 1-4

2. Appearance and Function 2-1

2-1. Control Unit 2-1

2-2. Segmentation Unit 2-4

3. System Description 3-1

3-1. General 3-1

3-2. Control Board 3-3

3-3. I/O Board 3-3

3-4. Power Distribution Board 3-3

3-5. Power Supply Unit 3-3

3-6. Filter Board 3-3

3-7. RF Board 3-4

3-8. Distribution Board 3-5

3-9. Sealing Head Unit 3-5

3-10. Switch Board 3-6

3-11. Trigger Board 3-6

3-12. Matching Board 3-6

4. Standard Operating Procedure 4-1

4-1. Operation Mode 4-1

4-2. Operation in Local Mode 4-4

4-3. Operation in Remote Switch Mode 4-4

4-4. Operation in Remote Circuit Mode 4-4

4-5. Operation in Remote Command Mode 4-4

5. Maintenance and Troubleshooting 5-1

5-1. Precaution 5-1

5-2. Test Equipment 5-2

5-3. Troubleshooting Procedure 5-3

5-4. Adjustment of Variables 5-7

5-5. Fixtures for Remote Mode Control 5-9

5-6. Adjustment of RF 5-11

5-7. Cleaning Sealing Head 5-13

page

6. Schematic Diagram 6-1

7. Technical Illustration 7-1

8. Parts List 8-1

List of Figures

[Figure 1-1] Segmentation system MS950 1-2

[Figure 2-1] Control unit 2-1

[Figure 2-2] Segmentation unit 2-4

[Figure 3-1] Overall system block diagram 3-2

[Figure 3-2] RF board functional block diagram 3-4

[Figure 3-3] Sealing head unit functional block diagram 3-5

[Figure 5-1] Troubleshooting flow chart 5-4

[Figure 5-2] Remote control scheme 5-9

[Figure 5-3] RF test set-up 5-11

[Figure 6-1] System wiring diagram 6-2

[Figure 7-1] Exploded view of MS950 Control unit 7-2

[Figure 7-1] Exploded view of MS950 Segmentation unit 7-3

[Figure 7-2] Control board layout 7-4

[Figure 7-3] I/O board layout 7-5

[Figure 7-4] RF board layout 7-6

[Figure 7-5] Power distribution board layout 7-7

[Figure 7-6] Distribution board layout 7-8

[Figure 7-7] Trigger board layout 7-9

[Figure 7-8] Matching board layout 7-9

[Figure 7-9] Switch board layout 7-9

[Figure 7-10] Filter board layout 7-9

iii

1 - 1

1. Introduction

1-1. General

This Service Manual covers all technical information of Segmentation Systems

MS930A/E - MS970A/E for servicing and maintenance of the machines.

The model numbers of Segmentation System denote the number of sealing head, and

the voltage range of AC main.

Model number Number of sealing head AC mains voltage

MS930A 3 100-120 VAC

MS930E 3 200-240 VAC

MS940A 4 100-120 VAC

MS940E 4 200-240 VAC

MS950A 5 100-120 VAC

MS950E 5 200-240 VAC

MS960A 6 100-120 VAC

MS960E 6 200-240 VAC

MS970A 7 100-120 VAC

MS970E 7 200-240 VAC

This manual contains ;

1. Introduction

2. Appearance and Function

3. System Description

4. Standard Operating Procedure

5. Troubleshooting and Adjustment

6. SchematicDiagram

7. Technical Illustration

8. PartsList

The Segmentation Systems are precision electronic equipment. Troubleshooting and

repair must be carried by authorized service personnel.

1 - 2

1 - 3

1-2. Feature

The Segmentation System is a device to make multiple number of seals or segments

of thermoplastic tubing in a few seconds. The machine generates high-level power of

40.68 MHz radio-frequency signal for a melting process called 'dielectric heating'.

Tubing in the sealing heads melts quickly in about two to three seconds, and then

cools to form seals.

The Segmentation System consists of a control unit, a segmentation unit and an

inter-unit cable assembly. The segmentation unit can be installed up to 1.5 meters

away from the control unit.

The system operates in one of four operation modes - local, remote switch, remote

circuit and remote command modes. The system works in local mode if no connector

is connected to the remote control connector on the rear panel of control unit.

Either remote switch mode or remote circuit mode is selected when a specially-made

remote control connector is put on the 9-pin D-sub connector on the rear panel of

control unit. Remote command mode is selected by software commands from an

external computer circuit or a personal computer connected to the 9-pin D-sub

connector on the rear panel of control unit with RS-232C serial communication.

The system has versatile features as the followings:

- The machine can be operated stand-alone, or be controlled by a circuit or a PC.

- The control unit can be placed under the table. It saves bench space.

- Distance between sealing heads is adjustable to one of 75-80-85-90 mm.

- Each sealing head can be enabled or disabled individually by switches or by PC.

- Time interval of sealing head starts is selectable between 60-160 milliseconds.

- Operation sequence of sealing heads is selectable - right to left or left to right.

- Timing of sealing head returns is selectable - simultaneously or individually.

- Thickness of seals can be adjusted.

- Indication lamp blinks and buzzer beeps in case of improper operation.

- The event counter on rear panel counts number of sealing cycles done.

1 - 4

1-3. Specification

(1) System configuration : control unit, segmentation unit, inter-unit cable

(2) Operation modes : local, remote switch, remote circuit, remote command

(3) Operation frequency : 40.68 MHz

(4) Overall sealing time : 1 - 3 seconds

(5) Available tubing size : 2 - 6 millimeters in diameter

(6) AC mains voltage

Model MS930A MS940A MS950A MS960A MS970A

Nominal voltage 100-120 VAC, 50/60 Hz, single phase

Working voltage 90-132 VAC, 47-63 Hz, single phase

Power consumption 600 W 800 W 1000 W 1200 W 1400 W

Current rating 6 A 8 A 10 A 12 A 14 A

Model MS930E MS940E MS950E MS960E MS970E

Nominal voltage 200-240 VAC, 50/60 Hz, single phase

Working voltage 180-262 VAC, 47-63 Hz, single phase

Power consumption 600 W 800 W 1000 W 1200 W 1400 W

Current rating 3 A 4 A 5 A 6 A 7 A

(7) Over-current protection : By recoverable circuit breaker

(8) Indication lamps

- Control unit : POWER ON (green)

- Segmentation unit : READY (green), SEALING (red)

(9) Alarms : audible indication by buzzer, visual indication by lamps

(10) Dimension and weight

Model MS930A/E MS940A/E MS950A/E MS960A/E MS970A/E

Control unit

- Size, W-H-D [mm]

- Weight [Kg]

406-200-310

9.5

518-200-310

10.5

630-200-310

11.5

742-200-310

12.5

854-200-310

13.5

Segmentation unit

- Number of head

- Size, W-H-D [mm]

- Weight [Kg]

- Set distance [mm]

255-155-210

7.5

75,80,85,90

345-155-210

9.0

75,80,85,90

435-155-210

10.5

75,80,85,90

525-155-210

12.0

75,80,85,90

615-155-210

13.5

75,80,85,90

(11) Inter-unit cable

- RF Cable : RG-58, 1.8 meters (6 feet) long, BNC-male at both ends

- Data Cable : 1.8 meters long, 37-pin D-Sub connectors at both ends

(12) Communication parameters

- Baud rate: 19200 bps - Data bits: 8 - Stop bits: 1

- Parity: None - Flow control: None

(13) Temperature characteristics

- Operating :

0 °~ 40 °C (

32 °~ 104 °F)

- Storage : - 20 °~ 70 °C ( - 4 °~ 158 °F)

2 - 1

2. Appearance and Function

2-1. Control Unit

(MS950A/E shown)

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