Hypertherm HD4070 Rev.1 User Manual
Page 187

5-24
HyPerformance HD4070
Instruction Manual
MAINTENANCE
Breakout board LED list
LED
Signal name
Function
D5
THC1 Tx
Transmits information to THC1
D6
THC2 Tx
Transmits information to THC2
D7
THC1 Rx
Receives information from THC1
D8
THC2 Rx
Receives information from THC2
D9
Watchdog
Illuminated when no errors are detected
D11
CNC Tx
Transmits information to CNC
D12
Gas Tx
Transmits information to gas console
D13
Display Tx
Transmits information to touch screen display
D14
Display Rx
Receives information from touch screen display
D15
CNC Rx
Receives information from CNC
D16
Gas Rx
Receives information from gas console
D17
–12 VDC
Power indicator
D24
+12 VDC
Power indicator
D25
+5 VDC
Power indicator
LEDN2
Signal name
Function
LEDN2-1
Not Used
—
LEDN2-2
Master door interlock
All interlocks are engaged
LEDN2-3
Output current OK
Power supply control has detected current from chopper
LEDN2-4
Temp / Airflow OK
Transformer temperature is with-in normal operating range
LEDN2-5
Chopper #2 Temp OK
Chopper 2 temperature is within normal operating range
LEDN2-6
Chopper #1 Temp OK
Chopper 1 temperature is within normal operating range
LEDN2-7
Missing phase detect
Indicates proper 3-phase line voltage
LEDN2-8
Input power active
Indicates proper logic power on power supply control board
LEDN2-9
Not Used
—
LEDN2-10
Not Used
—
Breakout board LEDN list
LEDN1
Signal name
Function
LEDN1-1
Not Used
—
LEDN1-2
THC1 cable installed
Checks for cable installation
LEDN1-3
THC1 IHS complete
Contact with work-piece detected
LEDN1-4
THC1 retract complete
THC1 is at home position
LEDN1-5
THC1 discrete error
Indicates THC error
LEDN1-6
THC2 cable installed
Checks for cable installation
LEDN1-7
THC2 IHS complete
Contact with work-piece detected
LEDN1-8
THC2 retract complete
THC2 is at home position
LEDN1-9
THC2 discrete error
Indicates THC error
LEDN1-10
Not Used
—