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Cebora POWER PLASMA 3100, Service Manual

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Cebora POWER PLASMA 3100 Service Manual Download Page 24

CEBORA S.p.A.

24

3.302.089

31/05/02

5.3

 

- Filter board (36) code 5.602.078.

5.3.1

 

- Topographical drawing.

5.3.2

 

- Connector table.

Connector

Terminals

Function

-

IN1 – IN2

115/230 Vac mains power supply input.

-

OUT1 – OUT2

115/230 Vac power supply output for power board (35).

CN1

1 - 2

filter capacitor connection.

5.4

 

- Power board (35) code 5.602.140/A.

5.4.1

 

- Connector table.

Connector

Terminals

Function

-

P1 – P2

115/230 Vac supply input from filter board (36).

-

VENTOLA

230 Vac output for fan (15).

-

P5 (+) – P6 (-)

output voltage for electrode and nozzle/earth.

J1

1,2

+5 Vdc boards power supply output.

J1

3,4

+13,8 Vdc boards power supply output.

J1

5

“mains voltage” signal output.

J1

6

relay2 command input (selector switch for 115/230 Vac operation range).

J1

7

relay1 command input (end pre-charge).

J1

8

“power board (35) output current” signal output.

J1

9

“PWM” signal input for power mosfet.

J1

10

“output current reference” signal input.

J1

11

“start from output current check” signal output.

J1

12

board analog circuits 0 Vdc power supply output.

J1

13,14

board digital circuits 0 Vdc power supply output.

Summary of Contents for POWER PLASMA 3100

Page 1: ...CEBORA S p A 1 3 302 089 31 05 02 POWER PLASMA 3100 POWER SOURCE art 296 SERVICE MANUAL...

Page 2: ...not take place or is too weak for cutting 18 3 4 Alarm signals 19 3 4 1 Yellow G and red N leds lit temperature outside limits 19 3 4 2 Red leds L and N lit low gas pressure 19 3 4 3 Red led N lit po...

Page 3: ...e them with original Cebora spare parts 1 3 Safety information The safety notes provided in this manual are an integral part of those given in the Instruction Manual Therefore before working on the ma...

Page 4: ...potentiometer M and the operating mode set using the button P located on the front panel of the power source The microprocessor also controls the conditions of the mains voltage to select the supply...

Page 5: ...rrupts the pilot arc current at the torch nozzle and sends the corresponding signal to the microprocessor which in turn switches the level of current from pilot arc to transfer arc thus to the set cut...

Page 6: ...dust to ensure adequate cooling of the internal parts of the power source Check the condition of the power cables of the power source and torch replace if aged or damaged Check the condition of the i...

Page 7: ...a pressure as read on the pressure gauge F suited to the type of torch being used see Instructions Manual q Press the button P several times to make sure that the function PILOT SELF RESTART is select...

Page 8: ...the workpiece Begin cutting Adjust the knob M to the current level suited to the kind of cutting NO see 3 3 9 YES q Release the torch start button The arc shuts off immediately The gas continues to f...

Page 9: ...ure that the terminals IN1 and IN2 on filter board 36 are not short circuited between them or towards earth If short circuited disconnect the terminals OUT1 and OUT2 from the filter board 36 and repea...

Page 10: ...closing the switch 9 thus after the mains voltage selection phase YES NO Check the wiring between J1 power board 35 and J1 panel board 31 With the power source off disconnect the connector J1 from th...

Page 11: ...the power 35 and or panel 31 boards 3 3 3 Power source powered the indicators show no correct values MAINS VOLTAGE SELECTION AND ALARM SIGNALS TEST q Upon start up green D and red N leds lit leds G a...

Page 12: ...rect check the wiring between terminals A and B of connector J6 on HF board 22 torch button and contact of the nozzle protection on the torch make sure the nozzle protection and torch button are corre...

Page 13: ...15 With power source off make sure the resistance between the terminals of solenoid valve 20 approximately 2500 ohm If 0 ohm short circuit replace the solenoid valve 20 and HF board 22 Make sure that...

Page 14: ...nd pressure gauge F and observe the technical specifications see Instructions Manual Go to par 3 3 7 Check the distance between the tips of the discharger SC1 correct value 0 9 mm Make sure the HF tra...

Page 15: ...fig 5 2 3 with start button pressed command signal for HF board 22 interrupted after approximately 300 msec for missing pilot arc current YES NO Check the wiring between J1 on HF board 22 and CN2 on p...

Page 16: ...voltage interrupted after approximately 300 msec for missing pilot arc current NO YES On HF board 22 check the connection of the secondary circuit of the HF transformer T2 between terminals J5 and TP...

Page 17: ...par 3 3 5 PILOT ARC VOLTAGE TEST WARNING FOR THIS TEST DISCONNECT THE CONNECTOR J3 ON THE HF BOARD 22 TO PREVENT HIGH FREQUENCY FROM BEING GENERATED q HF board 22 connector J6 E and TP5 gnd fig 5 2 1...

Page 18: ...dc with pilot arc This situation remains constant for as long as cutting continues YES NO Check the wiring between CN2 panel board 31 and J1 HF board 22 With power source off make sure that the switch...

Page 19: ...ntains no dust or other obstacles to cooling Make sure that the working conditions comply with the specified values especially observing the duty cycle Replace panel 31 and or power 35 boards 3 4 2 Re...

Page 20: ...nd the red led N remains lit Since the power source and fan 15 remain powered with high voltage we recommend that you not allow this situation to continue for very long To restore proper operation shu...

Page 21: ...2 terminals 8 and 3 13 Vdc with power source powered 0 Vdc contact closed with transfer arc thus while cutting YES NO Check the wiring between CN2 panel board 31 and J1 HF board 22 Make sure the reed...

Page 22: ...f the manual 4 2 Components table see file ESP296 pdf enclosed at the end of the manual 4 3 Spare parts list Essential spare parts Ref Code Description Qty 22 5602074 HF circuit 1 35 5602140 power cir...

Page 23: ...pen circuit nozzle voltage interrupted after approximately 300 msec for missing pilot arc current par 3 3 6 3 3 7 3 3 8 5 2 2 HF board 22 power supply voltage interrupted after approximately 300 msec...

Page 24: ...board 36 VENTOLA 230 Vac output for fan 15 P5 P6 output voltage for electrode and nozzle earth J1 1 2 5 Vdc boards power supply output J1 3 4 13 8 Vdc boards power supply output J1 5 mains voltage sig...

Page 25: ...CEBORA S p A 25 3 302 089 31 05 02 5 4 2 Topographical drawing...

Page 26: ...t signal input J1 9 PWM signal output for power mosfet J1 10 output current reference signal output J1 11 start from output current check signal input J1 12 board analog circuits 0 Vdc power supply in...

Page 27: ...upply input J1 4 5 start command output J1 6 7 13 8 Vdc board power supply input J1 8 transfer arc signal output from reed on HF board 22 J2 1 2 enable output for gas solenoid valve 20 J3 J4 HF genera...

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