Lincoln Electric spirit II 150, Техническое руководство

Страница: 116 / 172

Section 6: Maintenance &Troubleshooting Spirit II User’s Manual
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.
6-6
Power Supply Microprocessor (DSP)
Sequence of Operation
The following DSP Indicators should illuminate after primary power is applied:

D77 ................................... 3.3V Supply

D78 ................................... 1.8V Supply

D50 ................................... ASC (Door)

D33 ................................... Coolant Level

D37 ................................... Arc Hold (if INOVA is being used)

D10 ................................... RS232 T1 Out (Blinking)

D11 ................................... CAN RXD (Dim Flashing)

D12 ................................... CAN TXD (Dim Flashing)
The following DSP Indicators should illuminate when the OFF Button is released:

D40 ................................... OFF Button
The following DSP Indicators should illuminate when the ON Button is activated:

Opto U21 .......................... Motor / Solenoid

Opto U19 .......................... Solenoid (not used)

Opto U26 .......................... Fan

D42 ................................... Plasma Ready
The following DSP Indicators should illuminate when a START signal is applied (begin
cut cycle):

D36 ................................... Start

Opto U27 .......................... Preflow

Opto U29 .......................... Shield

Opto U24 .......................... Surge (only over 100 amps)

Opto U23 .......................... Contactor

D24 ................................... PWM (Chopper ON)

Opto U22 .......................... Pilot Arc Relay ON

D43 ................................... PAT ON (Blinks during a START)

Opto U36/U37 ................... Impulse/RHF (Blinks during a START)
The following DSP Indicators should illuminate with an arc transfer:

Opto U31 .......................... Postflow

Opto U28 .......................... Plasma

D41 ................................... Motion
The following LEDs should turn OFF after the Motion Indicator turns ON:

Opto U36/U37 ................... Impulse/RHF

Opto U27 .......................... Preflow

D43 ................................... PAT
When the START signal is removed, OPTO U30 (Vent) will illuminate. It will then go out
with the rest of the cut cycle indicators.