SECTION 4
OPERATION
4-2
4.1.3 Fault Indicator Lights
Fault Indicator Lights
•
Coolant flow
will show low coolant flow. When
unit is turned on, the light will briefly show a fault
and then go out.
•
Plasma Gas Pressure
fault indicator -- low
Plasma Gas Pressure. Torch will not fire when
indicated. Not used for the EFC.
Not used for the EFC.
Not used for the EFC.
Not used for the EFC.
•
Start Gas Pressure
fault indicator -- low start gas
pressure. Torch will not fire when indicated. Not
Not
Not
Not
used for the EFC.
used for the EFC.
used for the EFC.
used for the EFC.
•
P/S Temp
fault indicator -- over temperature in the
inverter power source. Power source will shut
down.
•
P/S Fault
Indicator – fault in plasma control PCB
in the inverter power source. Power source will
shut down.
•
Over-Under Voltage
fault Indicator -- indicate
input voltage is above or below the tolerances of
the PCU console. Will latch until power is recycled
by main power switch.
•
Emergency Stop
fault indicator -- shows CNC
Interlock condition. Power Source will not work.
4.1.4 Meters
•
Cutting Current Meter (A) --
Displays actual
cutting current in amperes.
•
Cutting Voltage Meter (V) --
Displays actual
cutting voltage.
4.1.5 Current Control Switch
Control Remote/Panel Switch
•
Panel Position –
Output current is set by the
output current dial
•
Output Current Dial –
sets the cutting current
when current setting is made from the console
front panel. Dial reads 0 to 99.9 amps. 70.0 amps
shown.
•
Remote Position
–
output current is set by the
CNC (or remote pot) with an analog dc signal
0-10 Vdc = 0-100 Adc
Содержание Precision Plasmarc
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Страница 144: ...SECTION 6 TROUBLESHOOTING 6 12 E2 E2 G2 E1 G1 C1 C2E1 C x Q x 4 6 9 Precision Plasma Power Module Schematic DETAIL ...
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