User`s Manual

Spirit II User’s Manual Section 6: Maintenance &Troubleshooting

Microprocessor (DSP) Status Indicators

The microprocessor DSP board controls all of the functions of the Spirit power supply. It contains diagnostic LEDs and OPTO LEDs which aid in troubleshooting the system. These indicators illuminate when a particular event occurs. Illuminated LEDs indicate the following:

Indication LED

D7 – RS232 OUT Isolated

D10 – RS232 T1 OUT

Serial transmission

D11 – CAN RXD

D12 – CAN TXD

D24 – PWM

D37 – ARC HOLD

D33 – COOLANT LEVEL

D36 – PLASMA START

D38 – MARKING

D39 – CORNER

CAN transmission

Chopper(s) energized

Coolant reservoir level is sufficient

Plasma start signal applied to Spirit

Arc hold input enabled

Marking input enabled

Corner current input enabled

Off button disengaged

Motion output signal activated

D40 – EOFF

D41 – MOTION

D42 – PLASMA READY

D43 – PAT

D48 – RMT ON/OFF

D50 – ISC DOOR

D77 – 3.3V uP PWR

D78 – 1.8V uP PWR

Power supply ready output signal activated

Pilot arc transistor energized

Remote On/Off input enabled

ISC door is closed

3.3V Microprocessor power

1.8V Microprocessor power

OPTO U21 – MTR/SOL

OPTO U22 – PAR

OPTO U23 – CON

OPTO U24 – SURGE

OPTO U26 – FAN

OPTO U27 – PREFLOW

OPTO U28 – PLASMA

OPTO U29 – SHIELD

OPTO U30 – VENT

Coolant pump relay CR5 energized (Pump On)

Pilot arc relay energized

DC power output (main contactor energized)

CR3 and K1 (I/O PCB) relays energized

Fans energized

Preflow gas valve 1 energized

Plasma gas valve 2 energized

Shield gas valve 3 energized

Vent gas valve 4 energized

OPTO U31 – POSTFLOW

OPTO U32 – MARKING

Postflow gas valve 5 energized

Marking gas valves 6 and 7 energized

OPTO U34 – IMPULSE START Impulse start circuit energized

OPTO U37 – RHF HF transformer energized

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