Hypertherm HD4070 Rev.8 - Manual (Page 172)

MAINTENANCE
HD4070 Instruction Manual 5-25
3
LEDN5 Signal Name Function
LEDN5-1 THC 1 corner hold THC 1 motion is stopped
LEDN5-2 THC 2 corner hold THC 2 motion is stopped
LEDN5-3 Not Used —
LEDN5-4 Not Used —
LEDN5-5 Not Used —
LEDN5-6 Gas state #3
LEDN5-7 Gas state #2 Used in combination to select gas system state
LEDN5-8 Gas state #1
LEDN5-9 Slave 160 Amp select —
LEDN5-10 Not Used —
LEDN6 Signal Name Function
LEDN6-1 THC 1 cycle start THC start signal
LEDN6-2 DC output ON /OFF Turns ON choppers
LEDN6-3 Contactor control Turns ON contactor
LEDN6-4 Fan control Turns ON chopper fans
LEDN6-5 1/10th current Sets power supply to 1/10 of selected current (used for marking)
LEDN6-6 10 Amp select Power supply set to 10 Amp output
LEDN6-7 20 Amp select Power supply set to 20 Amp output
LEDN6-8 40 Amp select Power supply set to 40 Amp output
LEDN6-9 80 Amp select Power supply set to 80 Amp output
LEDN6-10 160 Amp select Power supply set to 160 Amp output
Breakout Board LEDN List – continued
LEDN3 Signal Name Function
LEDN3-1 Not Used —
LEDN3-2 Plasma int spare input 2 —
LEDN3-3 Coolant temp switch Coolant temperature is with-in normal operating range
LEDN3-4 Coolant flow switch Coolant flow is with-in normal operating range
LEDN3-5 Transfer sense Arc transfer detected
LEDN3-6 Plasma int spare input 1 —
LEDN3-7 Not Used —
LEDN3-8 Not Used —
LEDN3-9 Not Used —
LEDN3-10 Not Used —
LEDN4 Signal Name Function
LEDN4-1 Slave 5 Amp select —
LEDN4-2 CNC system error Indicates plasma system has an error or warning condition
LEDN4-3 CNC spare output 1 —
LEDN4-4 CNC retract complete Torch has retracted to programmed position
LEDN4-5 Slave 2.5 Amp select —
LEDN4-6 CNC spare output 2 —
LEDN4-7 5 Amp select Power supply set for 5 Amp output
LEDN4-8 CNC spare output 3 —
LEDN4-9 2.5 Amp select Power supply set for 2.5 Amp output
LEDN4-10 CNC ready to fire Torch has finished pre-flow and IHS (if THC is in use)