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Spirit II User's Manual
Power Supply 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:
LED
D7 – RS232 OUT Isolated
D10 – RS232 T1 OUT
D11 – CAN RXD
D12 – CAN TXD
D24 – PWM
D33 – COOLANT LEVEL
D36 – PLASMA START
D37 – ARC HOLD
D38 – MARKING
D39 – CORNER
D40 – EOFF
D41 – MOTION
D42 – PLASMA READY
D43 – PAT
D48 – RMT ON/OFF
D50 – ASC DOOR
D77 – 3.3V uP PWR
D78 – 1.8V uP PWR
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
OPTO U31 – POSTFLOW
OPTO U32 – MARKING
OPTO U36 – IMPULSE
OPTO U37 – RHF
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
Section 6: Maintenance &Troubleshooting
Indication
Serial transmission
Serial transmission
CAN transmission
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
Power supply ready output signal activated
Pilot arc transistor energized
Remote On/Off input enabled
ASC door is closed
3.3V Microprocessor power
1.8V Microprocessor power
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
Postflow gas valve 5 energized
Marking gas valves 6 and 7 energized
Impulse circuit energized
HF transformer energized
6-5
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Table of Contents
Troubleshooting
