Thermal Arc POWERMASTER 400SP, Service Manual

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POWERMASTER 400SP, 500SP AUTOMATION
5-4 Octobe r 30, 2008
LEDs on Robot Interface INT06 PC Board
LED Designation State Meaning
lit weak Microcontroller not programmed
blinking supply voltage not ok
1 (red) malfunction
off INT06 ok
on
internal supply v5V DC is ok 2 (green) supply voltage
+5V
off internal supply v5V DC is not ok
on
relay RE1 is on : output „I>0“ (welding current
on) is active (0
Ω
)
3 (green) power source
ready
off relays RE1 is off : output „I>0“ (welding current
on) is not active (open)
on
relay RE2 is on : output „power source ok“ is
active (0
Ω
)
4 (green) power source ok
off relay RE2 is off : output „power source ok“ is not
active (open)
5 (green) polarity digital
signals "IN-NPN"
on relay RE6 is on : digital inputs are low-active
(working with GND)
off relay RE6 is off : digital inputs are high-active
(working with +24V DC)
15
(green) status blinking status ok
off status not ok
16
(green) arc sensing
"ARC-SENSE"
on
relay RE3 is on : output „Arc Sensing“ is active
(0
Ω
)
off relay RE3 is off : output „Arc Sensing“ is not
active (open)
17
(green) short circuit wire
"W-STICK"
on
relay RE4 is on : output „Wire Stick“ is active (0
Ω
)
off relay RE4 is off : output „Wire Stick“ is not active
(open)
18
(green) wire sensing "W-
STATE"
on
relay RE5 is on : output „Wire State“ is active (0
Ω
)
off
relay RE5 is off : output „Wire State“ is not
active (open)