CHAPTER 5. ABOUT KNITCOM

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PART NAME & FUNCTION

N O | Part name | Function
A | F Drive (option) | for 5C Act.
B | F Drive(5F=4C) | for 4C Act.
C | F-Drive(4F=1C) | for 1C Act.
D | F-Drive(3F=3C) | for 3C Act.
E | F-Drive(2F=2C) | for 2C Act.
F | 1 F-Drive | for Act.
G | Y-Drive | for Ringlet air Sol. & Yarn air Sol.
H | Main CPU SUB | to change Needle No. & control timming for Act.
I | Main CPU | Main control CPU : Act., Encoder, FDD, Yarn...
J | OP CPU | OP control CPU : LCD, key-board, chainless...
K | OP CPU SUB.(I/0) | OP CPU Sub. : Drum out, sensor in,sw,error display...
L | Back Board | to connect every part & cable
M | Back Light PCB | to supply LCD backlight power
N | FDD | Floppy disk drive(3.5" 1.44MB)
O | INVERTER |
P | RESISTER FOR INVERTER |
Q | MAGNETIC S.W |
R | S.M.P.S POWER | +5V,¡¾26V,12V,-18V D.C power supply(SMPS)
S | RELAY BOARD | to supply each power control(220,sol board)
S-1 | SOLENOID BOARD | for drum solenoid
U | TRANS | TRANS 110,220,380,
Y | 330V BREAKER S.W |
Z | FAN |

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G : Yarn-drive board

Function : to control for ringlet and yarn.

No. | Name | Explanation
¨ç | 20P connector | to Back Board for input signal from main CPU.
¨è | Fuse | 250V 3A fuse. "COM ERR" will occur on the LCD screen when this fuse is out.
¨é | 50P Connector | to back board for out signal to air sol.
¨ê | Fuse Resister | 1/4W 2¥Ø fuse Resister Check when air sol.error.
¨ë | TR | TR. for each air sol.
¨ì | LED | pilot lamp for fuse ¨è

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H : Main CPU sub. PCB

No. | Name | EXPLANATION
¨ç | 64P connector | to Back Board for input signal from main CPU.
¨è | 44P connector | to Back Board.
¨é | LED(red) | zero point
¨ê | LED(green) | pilot lamp for D.C 12V power.
¨ë | LED(red) | pilot lamp for D.C 5V power.
¨ì | S.W for Act. timming | nomally 3 or 4
¨í | S.W to set needle count. | For needle count sw1 - sw6 used(refer next page) Sw7 & sw8 are used for machine type. So it must be located as follows. sw7=on, sw8=off, Becare, it can makes trouble

Function: Main CPU sub-PCB, to set Act. timming and change needle no.

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H-2 About F-drv timming setting

ex: above shows 3 ms setting

* nomally 3ms(factory setting)

* 3 ms : 1 and 2 ON , If it setted gt 5 then it can make trouble

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I : MAIN CPU

Function: to control main process

No. | NAME |
¨ç | 64P CONNECTOR | TO Back Board
¨è | BACKUP BATTERY | 3.6V 360mA for saving pattern in memory when power off
¨é | 5V LED(red) | pilot lamp for D.C 5V
¨ê | RAM (not used) |
¨ë | RAM | DATA RAM for pattern data
¨ì | ROM | ROM for main CPU program

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J : OP CPU

NO | NAME |
¨ç | 44P Connector | to Back Board
¨è | 50P Connector | to Back Board
¨é | Jumper for RESET | If you want to reset system with main CPU, let the No. 1 and 2 short else let the No 2 and 3 short(factory setting) *We recommand factory setting.
¨ê | LED(red) | pilot lamp for OP CPU
¨ë | OP CPU ROM | OP CPU program ROM
¨ì | OP CPU RAM | OP CPU RAM for chain data
¨í | Battery for backup | 3.6V 360mA, for saving chain data in memory when power off
¨î | Volum for LCD brigtness | to control LCD brightness

Function : OP CPU , to control chainless, LCD, keyboard, ERROR display, control sol...

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K : OP CPU sub PCB

No. | Name | Explanation
¨ç | 64P connector | to Back Board
¨è | 32P connector | to Back Board
¨é | Error & sensor LED | Refer next page
¨ê | Volume to control for Duble welt | Speed for Duble Welt
¨ë | Volum to contorl low Speed | to contorl motor speed this S.W when the "SPEED" S.W positioned LOW.(MID,HIGH,QUICK case)
¨ì | Volume to control low (Low speed) | to control motor speed by this S.W when chain setting speed is Low

Function: OP CPU sub board to control IN and OUT

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About LED in OP CPU sub PCB

No. | NAME |
LED 12 | Motor Error | ÄÜÆ®·Ñ·¯°¡ ¸ðÅÍ¿¡ Àü¿øÀ» °ø±ÞÇÏ¿© µ¿ÀÛÀ» Áö½ÃÇÑÈÄ ÀÏÁ¤½Ã°£µ¿ ¾ÈÈÄ¿¡µµ ¸ðÅÍ°¡ µ¹Áö¾Ê°Å³ª ¿£ÄÚ´õÀÇ ºÒ·®À¸·Î ¿£ÄÚ´õÀÇ ½ÅÈ£°¡ µé¾î¿ÀÁö ¾ÊÀ» °æ¿ì ¹ß»ý¸ðÅÍÀÇ ¹è¼± ¹× Á¡°Ë¸ðµå¸¦ ÀÌ¿ë ¿£ÄÚ´õ ÀÇ Á¡°ËÀ» ¿äÇÑ´Ù.
LED 13 | COM ERR | On when F-DRV FUSE out.
LED 3 | ERR 1 | pilot lamp for air error (refer to APPENDIX 3)
LED 4 | ERR 2 | pilot lamp for ring cutter error (refer to APPENDIX 3)
LED 5 | ERR 3 | pilot lamp for needle broken error (refer to APPENDIX 3)
LED 6 | ERR 4 | pilot lamp for yarn tension(rear) error (refer to APPENDIX 3)
LED 7 | ERR 5 | pilot lamp for yarn tension(front) error (refer to APPENDIX 3)
LED 8 | ERR 6 | pilot lamp for yarn tension(top) error (refer to APPENDIX 3)
LED 9 | ERR 7 | pilot lamp for yarn tension(HEEL) error (refer to APPENDIX 3)
LED 10 | ERR 8 | pilot lamp for Rubber error (refer to APPENDIX 3)
LED 11 | ERR LED | pilot lamp for all drror
LED 1 | JOG LED | JOG LED
LED 2 | Start | pilto lamp for machine run
LED 14 | one cycle | pilot for CYCLE S.W OFF
LED 15 | low | pilot for "LOW" S.W ON (for safe when drum action)
LED 16 | MAIN END | pilot lamp for START S.W ON
LED 17 | Sensor | pilot lamp for sensor on, off
LED 18 | not used |
LED 19 | not used |
LED 20 | " |
LED 21 | " |
LED 22 | " |
LED 23 | " |
LED 24 | " |

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L : Back Board

Function: to connect all PCB and to suypply power

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No. | NAME | Function
¨ç | not used |
¨è-1 | for extention | for 5C F-DRV(option)
¨è-2 | F-connector 2 | for 4C(5F) F-DRV
¨è-3 | F-connector 3 | for 1C(4F) F-DRV
¨è-4 | F-connector 4 | for 3C(3F) F-DRV
¨è-5 | F-connector 5 | for 2C(2F) F-DRV
¨è-6 | F-connector 6 | for 1F-DRV
¨é | Y-connector 7 | for Yarn-DRV
¨ê | S-connector 1 | for LCD and keyboard
¨ë | C-connector 1 | for main CPU sub PCB
¨ì | C-connector 2 | for main CPU PCB
¨í | C-connector 3 | for OP CPU PCB
¨î | S-connector 2 | for s.w on pannel(Start,Stop,C-END,)
¨ï | C-connector 4 | for OP CPU sub. PCB
¨ð | S-connector 3 | for LCD Back Light (refer to B-1)
11 | Power cable con. 1 | for FDD power (refer to B-2)
12 | S-connector 3 | for FDD control line
13 | S-connector 4 | for INVERTER and relay PCB
14 | Power cable con. 2 | for 5V power (refer to B-3) for 12V,-18V power (refer to B-4)
15 | Power cable con. 4 | for ACT power (+28V,-28V) (refet to B-5)

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¡´40¡µ

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