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Cebora PLASMA PROF 164 HQC, Руководство по обслуживанию

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CEBORA S.p.A.

 

28 

Correct? 

 
 YES 
 
 NO 

♦

 

Check the wiring between J3 settings board (54) and J7 of control board (38). 

♦

 

With Power Source off, temporarily disconnect J7 from control board (38) and 
check the resistance on terminals 3 and 7 of settings board (54). Correct value = 
>Mohm. If short-circuited or low-resistance, replace the settings board (54). 

♦

 

Replace control board (38). 

 

POWER SOURCE OUTPUT CURRENT TRANSDUCER POWER SUPPLY TEST. 

Correct? 

‰

 

Settings board (54), connector J2, terminals 3(+) - 2(-) = +15 Vdc; terminals 1(+) - 2(-) = -15 

Vdc. 

 
 YES 
 
 NO 

♦

 

Check the wiring between J2 settings board (54) and current transducer on pilot 
arc board (58). 

♦

 

With Power Source off, temporarily disconnect the connector J2 from settings 
board (54) and check the resistance between the terminals 3-2 and 1-2 of the patch 
connector disconnected from J2. Correct values = approximately 47 Kohm 
(terminals 3-2) and approximately 17 Kohm (terminals 1-2). If incorrect, replace 
pilot arc board (58). 

♦

 

Power up the Power Source again, keeping J2 disconnected from settings board 
(54), and check voltages on J2 of settings board (54), terminals 3(+) and 2(-) = 
+15 Vdc; terminals 1(+) and 2(-) = -15 Vdc. If incorrect, replace settings board 
(54). 

♦

 

Check supply voltages of the settings board (54), performing if necessary the 
SETTINGS BOARD (54) POWER SUPPLY TEST in par. 3.3.1.. 

♦

 

Replace settings (54) and/or pilot arc (58) boards. 

 

POWER SOURCE OUTPUT CURRENT SIGNAL TEST. 

Correct? 

‰

 

Settings board (54), connector J2 terminal 4(+) – 2(-) = fig. 5.2.2 = approxi0.5 Vdc 

(Power Source output current feedback signal with pilot arc lit), for a duration of 1 second 
(maximum pilot arc time) with start command activated. 

 
 YES 
 
 NO 

♦

 

Check the wiring between J2 settings board (54) and current transducer on pilot 
arc board (58). 

♦

 

With Power Source off, temporarily disconnect the connector J2 from settings 
board (54) and check the resistance between terminals 4 and 2 of J2 on settings 
board (54). Correct value = approximately 10 Kohm. If incorrect, replace settings 
board (54). 

♦

 

Replace settings (54) and/or pilot arc(58) boards. 

♦

 

Replace settings (54) and/or control (38) and/or pilot arc (58) boards. 

3.302.218 

9/8/2006 

Содержание PLASMA PROF 164 HQC

Страница 1: ...CEBORA S p A 1 PLASMA PROF 164 HQC POWER SOURCE art 954 STARTER UNIT HV18 art 472 GAS CONSOLE PGC1 2 art 477 PVC VALVE CONSOLE art 478 TORCH CP250G art 1236 SERVICE MANUAL 3 302 218 9 8 2006...

Страница 2: ...aning 12 3 2 Operating sequence 12 3 2 1 Power source commands and signals 12 3 2 2 Gas Console commands and signals 13 3 2 3 Power source operation 13 3 3 Troubleshooting 16 3 3 1 The Power Source do...

Страница 3: ...lay B of the Power Source and display F of the Gas Console Guard on Power Source or HV18 module open 40 3 4 19 81 Gas console not connected 41 3 4 20 82 ATEX Gas Console not connected 41 3 4 21 83 Noz...

Страница 4: ...ith 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 machine pl...

Страница 5: ...the plasma arc control and the interface with the operator and system Referring to fig 2 1 1 electrical diagrams in par 5 the drawings and tables in par 4 you may identify the main blocks that make up...

Страница 6: ...ce transformer 50 which powers the electronic boards and internal services through the fuse board 50 The power transformer 27 has the primary circuit consisting of six windings which appropriately swi...

Страница 7: ...Vac of the Gas Console are generated by the service transformer 56 powered by the same voltage that powers the service transformer 50 The connector 4 on the rear panel is ready to connect the Power So...

Страница 8: ...lot arc voltage carter open signal on the Unit HV18 The fan 20 to cool the power components of the Power Source is connected directly to the primary circuit of the transformer 27 the same winding that...

Страница 9: ...or code on the control panels 2 6 Description of Gas Console PGC1 2 art 477 2 6 1 Diagram of the Gas Console PGC1 2 art 477 pneumatic system The PGC1 2 Gas Console is a control station to select the p...

Страница 10: ...trol board 38 2 7 Description of PVC Valve Console art 478 2 7 1 Diagram of PVC Valve Console art 478 pneumatic system The PVC Valve Console is a control station to select the types of gas to use in t...

Страница 11: ...h as air nitrogen N2 oxygen O2 H35 blend 35 hydrogen H2 65 argon Ar and F5 blend 5 hydrogen H2 95 nitrogen N2 and with secondary gases such as air nitrogen N2 oxygen O2 It has an electrical cable 4m l...

Страница 12: ...of low pressure dry compressed air or a brush Check the condition of the output terminals and power supply cables of the Power Source replace if damaged Check the condition of the internal power conn...

Страница 13: ...ng an operator action System shut off and disconnected from the mains Complete the pneumatic gas circuit by connecting the Gas Console Valve Console and Torch according to the diagram in fig 2 1 1 Con...

Страница 14: ...n the Gas Console to enter the set up menu PREFLOW and CUTFLOW displays off Press the key A on the Gas Console several times to select the type of job Press the key B on the Gas Console several times...

Страница 15: ...enu PREFLOW and CUTFLOW displays lit Press the start command very briefly Correct Gas escaping from the PREFLOW circuits from the torch for approximately 40 seconds The pressure shown on the displays...

Страница 16: ...ge for mains protection tripped NO YES Correctly position the voltage changes Remove any short circuits on the transformer connections 27 Make sure that the bridge 23 is not short circuited Check the...

Страница 17: ...eck the wiring between J6 settings board 54 and J4 fuse board 50 Check fuses F2 and F3 on fuse board 50 if broken replace and make sure that terminals 1 2 and 5 6 of J6 on board 54 are not short circu...

Страница 18: ...inal board of the transformer 56 on the secondary circuit side replace if broken checking in advance the resistance on terminals 1 2 and 4 5 of J2 on solenoid valve board 2 Correct values Mohm in both...

Страница 19: ...nd make sure that terminals 1 4 of J1 on pre charge board 45 are not short circuited Make sure there is 180 Vac voltage on terminals TP1 180V of fuse board 50 if missing check the wiring between the s...

Страница 20: ...ct with Power Source off temporarily disconnect connector J3 from pre charge board 45 and check the resistance between terminals 3 and 4 of J3 of pre charge board 45 Correct value approximately 60 ohm...

Страница 21: ...re with J18 disconnected that voltage 8 Vdc on J6 of panel board 20 terminals 1 and 2 If correct replace control board 38 If incorrect replace panel board 20 Make sure that the correct programs are en...

Страница 22: ...replace control board 38 If correct replace remote board 59 Replace the remote 59 and or control 38 boards REMOTE BOARD 59 POWER SUPPLY TEST With Power Source off temporarily disconnect connector J1 o...

Страница 23: ...2 V02 V03 V04 V05 V06 6 Circuit 2 seal N2 7 Circuit 2 discharge N2 V20 V21 V22 V23 8 Circuit 3 load O2 V08 V09 9 Circuit 3 seal O2 10 Circuit 3 discharge O2 V20 V21 V22 V23 11 Circuit 4 load H35 V10 1...

Страница 24: ...eck the wiring between J3 of solenoid valve board 2 and J7 of panel board 20 Make sure communication between Power Source and Gas Console performing if necessary the tests in par 3 3 3 Check the Gas C...

Страница 25: ...50 if broken replace and make sure that terminals 1 2 of J4 on pilot arc board 58 are not short circuited Check 20 Vac voltage on terminals TP7 20V of fuse board 50 if missing check the wiring betwee...

Страница 26: ...between J5 pilot arc board 58 nozzle resistor 17 and terminal J6 on torch board 42 If you find loose connections tighten and replace any damaged components Check the continuity between terminals J5 an...

Страница 27: ...ately 280 Vdc if pilot arc off or 150 Vdc with pilot arc lit for a duration of 1 second maximum pilot arc time after pressing the start command NO YES Power source output voltage correct SETTINGS BOAR...

Страница 28: ...up the Power Source again keeping J2 disconnected from settings board 54 and check voltages on J2 of settings board 54 terminals 3 and 2 15 Vdc terminals 1 and 2 15 Vdc If incorrect replace settings...

Страница 29: ...control 38 boards PILOT ARC VOLTAGE TEST Correct Pilot arc board 58 terminals J5 TP7 200 Vdc if pilot arc off or 150 Vdc with pilot arc lit for a duration of 1 second maximum pilot arc time after pre...

Страница 30: ...keeping J1 disconnected from settings board 54 and check voltages on J1 of settings board 54 terminals 2 and 3 15 Vdc terminals 4 and 3 15 Vdc If incorrect replace settings board 54 Check supply volt...

Страница 31: ...duration of cutting the signal in fig 5 2 1 current reference changes level from pilot arc current reference to transfer arc reference and remains such for the duration of cutting Correct on the Gas C...

Страница 32: ...contact closed flow correct 27 Vac contact open insufficient flow with pump 13 running YES NO Check the wiring between connector J20 control board 38 and flow meter 12 Make sure that the lines of the...

Страница 33: ...arge board 45 and check the resistance on terminals 1 and 2 of J3 on pre charge board 45 Correct value approximately 300 ohm If incorrect replace pre charge board 45 If you detect a short circuit repl...

Страница 34: ...mission present 24 Vdc contact open operating permission missing YES NO Check the wiring between connector 4 of the Power Source and the actuator of the signal to allows system operation pantograph or...

Страница 35: ...approximately 0 Vdc with Power Source powered without delivering current YES NO Check the wiring between J7 control board 38 and J3 settings board 54 With Power Source off temporarily disconnect the c...

Страница 36: ...42 and or control 38 boards 3 4 7 49 Nozzle current during cutting When cutting begins the nozzle current must become null If this does not occur there may be problems with the torch and poor cutting...

Страница 37: ...nd may be obtained by the dipswitches DIP1 A DIP1 B and DIP1 C on torch board 42 TORCH CP250 RECOGNITION SIGNAL TEST Control board 38 connector J2 terminals 1 2 3 4 signals according to table below J2...

Страница 38: ...minal J6 and connector J8 terminal 1 voltage from 150 to 190 Vdc with pilot arc lit for a duration of 1 second maximum pilot arc time after pressing the start command NO YES Check the wiring between J...

Страница 39: ...ng circuit is detected by the flow meter 12 To analyze the corresponding circuit see FLOW METER 12 TEST par 3 3 11 3 4 15 76 H2O n c on displays B C of the Power Source and F M of the Gas Console Cool...

Страница 40: ...led A3 lit turn knob C to show ALL on display D Press the key I to begin the test The various phases are shown on the displays D F and M of the Gas Console Correct Panel board 20 connector J1 terminal...

Страница 41: ...off temporarily disconnect J2 from control board 38 and check on terminals 9 and 10 of J2 on control board 38 voltage 5 Vdc If incorrect replace control board 38 Replace the torch board 42 Replace the...

Страница 42: ...ssion 24 Vdc contact open emergency stop YES NO Check the wiring between connector 4 of the Power Source and the actuator of the emergency stop signal on pantograph or robot Check the wiring between J...

Страница 43: ...pdf enclosed at the end of the manual 5 ELECTRICAL DIAGRAMS 5 1 Plasma PROF 164 HQC see file SCHE164 pdf enclosed at the end of the manual 5 2 Waveforms 5 2 1 Reference signal for pilot arc current pa...

Страница 44: ...for torch board 42 power supply J3 4 5 F5 1 25 A 8 Vac output for torch board 42 power supply J4 1 2 F2 3 A 18 Vac output for settings board 54 power supply J4 5 6 F3 1 25 A 20 Vac output for setting...

Страница 45: ...J3 3 4 transformer 27 pre magnetization relay command input J3 5 6 command input for DC capacitors pre charge relay on pilot arc board 58 J4 B A 250 Vdc output for DC capacitors pre charge on pilot a...

Страница 46: ...CEBORA S p A 46 5 5 Control board 38 code 5 602 239 5 5 1 Topographical drawing 3 302 218 9 8 2006...

Страница 47: ...d J8 2 4 6 8 10 0 Vdc power supply output for Power Source panel board J9 NU J10 1 2 DC capacitors pre charging complete on pilot arc board 58 signal input J11 NU J12 NU J13 1 6 contactor 44 command o...

Страница 48: ...ut to output current transducer power supply J2 4 Power Source output current signal input J3 1 GND J3 2 fast nozzle current signal output J3 3 current reference input J3 4 start command input for set...

Страница 49: ...current transducer power supply J3 NU J4 1 2 20 Vac pilot arc board 58 power supply input J4 4 5 nozzle igbt command input on pilot arc board 58 J5 output voltage output nozzle potential J6 output vol...

Страница 50: ...ch recognition J7 5 6 NU J7 7 8 nozzle protection output signal J7 9 10 guards open signal output on Power Source and module HV18 J7 11 12 torch adapter protection signal input J8 4 1 Power Source out...

Страница 51: ...power supply input for Power Source panel board J2 2 4 6 8 10 0 Vdc power supply input for Power Source panel board 5 10 RC board 48 code 5 602 251 5 10 1 Topographical drawing 5 10 2 Connector table...

Страница 52: ...nal analog current reference input J2 6 8 isolated arc voltage signal output J2 16 8 not isolated arc voltage signal output J3 1 2 transfer arc signal input J3 3 4 external digital current reference o...

Страница 53: ...d open signal input on module HV18 TP1 output voltage output nozzle potential for HF board 2 TP2 output voltage output electrode potential for HF board 2 TP3 output voltage input from Power Source ele...

Страница 54: ...gnal input J3 14 solenoid valve V10 control command signal input J3 15 NU solenoid valve V11 control command signal input J3 16 NU solenoid valve V12 V24 control command signal input J3 17 solenoid va...

Страница 55: ...gnals with solenoid valve board 2 J7 3 NU signal output to control solenoid valve V7 J7 4 solenoid valve V8 control signal output J7 5 solenoid valve V9 control signal output J7 6 solenoid valve V1 co...

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