Cebora 337 Manual De Servicio página 71

CEBORA S.p.A.
Connector table
Connector Terminals
M1 1
M2 1
J4 1
J4 2
J4 3
J4 4
J4 5
J4 6
J4 7
J4 8
J4 9
J4 10
CN2 1 - 4
mains.
- P1 - P2
- P3 - P4
ConnectorTerminals
CN1 1(+) - 3(-)
CN1 2
CN1 4(+) - 5(-)
CN1 6
CN2 1 - 2
- L2
- S2 - S5
- "-"
- "+"
ground).
- F1
3302336-B
Function
nozzle connection.
ground connection.
circuit reference
cutting voltage signal
circuit reference
cutting current signal
circuit reference
transferred arc current signal
nozzle voltage
nozzle IGBT command
+ 14 V
+ 30 V
relay RLx command input for connection of primary coils for 230 VAC
connection to primary coil of transformer (52).
connection to primary coil of transformer (52).
Function
+13.8 VDC power input for power source output current transducer.
power source output current signal output.
+25 VDC power input for pilot arc/transferred arc commutation relay.
pilot arc/transferred arc signal output from reed RL2.
connection to secondary coil rectifier load resistor.
connection for output current levelling inductance (53).
connection for central outlet of the secondary coil of transformer (52).
- output for secondary coil board (32) (electrode potential).
+ output for secondary coil board (32) (potential of workpiece to cut,
+ output for secondary coil board (32) (nozzle potential).
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20/12/2019