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Plasma 70 S

Operating Manual

Page 13

11. Description of board

TPLASMA1-1

Jumper

open

bridges

LED`s

JP1

power frequency 50 Hz

60 Hz

water circ. cooling o.k.

JP2

mac. current

70 A

120 A

air pressure o.k.

temperature o.k.

cutting current flows

arc voltage o.k.

O.K.

torch trigger “on“

reduction of cutting
current “on“

Ein

trimming potentiometer

gas preflow

gas post-flow

(fixed pilot time = 5s )

P2
P3

current-max

current-min

current-pilot

PL_CONT1

LED`s

electronic supply voltage o.k.

cutting current >0

arc voltage o.k.

trimming potentiometer

adjust

Содержание Plasma 70 S

Страница 1: ...Plasma Cutting System Plasma 70 S...

Страница 2: ...ent work with the Plasma 70 S cutting unit Please read the instructions carefully prior to initial operation of the unit The information contained in this manual should be made available to all operat...

Страница 3: ...e corresponds to the safety requirements of the recommendations Name of unit Plasma Cutting System Type of unit Plasma 70 S Relevant EMC recommendation 89 336 EEC EC recommendations modified by recomm...

Страница 4: ...8 7 Preparations for cutting 9 8 Cutting 10 9 Service and Maintenance 11 10 Trouble Shooting 11 11 Description of board 13 12 Spare Parts 14 13 Circuit diagram 18 Pictures Picture 5 1 Control Elements...

Страница 5: ...l from the kerf A clean clear cut is the result 1 2 Advantages Time saving due to high cutting speed in cutting thin sheet metal if compared to oxy fuel gas cutting nibbling or sawing Heat build up is...

Страница 6: ...preferably fitted below the cutting zone should be provided The cutting area of the workpiece has to be cleaned and free of solvants and degreasing agents to prevent the formation of toxic gas The use...

Страница 7: ...e 449 50939 K ln Furthermore we point out that in some operative ranges where despite the observance of radiation limits this cutting unit can cause electromagnetic interferences which are the respon...

Страница 8: ...lter pressure reducer comined with a semiautomatic water separator are standard equipment of this unit The water trap automatically empties itself when the air system lacks of pressure The filtered pr...

Страница 9: ...A 100 V Max cutting thickness quality cut 20 mm severance cut 25 mm System of protection IP 22 Insulation class H 180 C Type of cooling F Dimensions L x W x H mm 530 x 610 x 810 Weight 95kg Compresse...

Страница 10: ...Plasma 70 S Operating Manual Page 6 5 Control Elements Picture 5 1 Control Elements...

Страница 11: ...dicates the working pressure of compressed air downstream the filter pressure reducer If despite the availability of adequate supply pressure the specified working pressure cannot be reached heavily c...

Страница 12: ...the unit Take care that there is always an adequate supply of compressed air of the specified pressure Moreover the air should be free of oil or water If the system is firmly connected to a compressed...

Страница 13: ...re will overload and destroy the plasma nozzle cutting current 20 60 A 50 70 A plasma nozzle 1 0 1 2 1 2 1 4 When replacing a worn part check for tight fit The plasma nozzle and the electrode are wear...

Страница 14: ...a point to keep the right cutting speed correspon ding with material thickness If the cutting speed is too low a blunt cutting edge will be the result because of the unduly high thermal input Optimum...

Страница 15: ...eck mains fuse if required increase fuse protection mains control lamp is mains cable interruption check mains cable not lit fuse F1 front side defective change fuse F1 T 2 A 250 V defective fuse F2 o...

Страница 16: ...able not connected or without contact to workpiece due to impurities paint ect clamp earth cable to workpiece or improve contact torch fault indicator is lit see chapter Control elements defective tor...

Страница 17: ...air pressure o k 3 temperature o k 4 cutting current flows 5 arc voltage o k 6 torch trigger on 7 reduction of cutting current on trimming potentiometer T1 gas preflow T2 gas post flow fixed pilot ti...

Страница 18: ...Operating Manual 12 Spare Parts Picture 12 1 Frontview...

Страница 19: ...Operating Manual Picture 12 2 View from the side...

Страница 20: ...x 2 5 sq mm 5 m 32A 704 025 021 strain relief screw fitting PG 16 420 016 004 19 fan A4E 300 230 V incl capacitor assembly parts 450 300 006 capacitor 1 F fan 453 450 002 fan control board VR 1 24 V...

Страница 21: ...19 insulating bush 2 piece D 8 5 mm current connection 711 310 009 35 drive board PL1 AN 600 024 004 drive board repair service 600 024 004A 36 current control board PLCont 1 incl current transformer...

Страница 22: ...choke PLD 1 HF blocking choke PLD 10 current transformer HF filter current former L4 trans current control board current flow torch trigger voltage control board driving board A2 flat strip A1 A3 G1...

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